No | Structure | COMMON NAME | NAME | DATA No | INFORMANT | SYMBOL | FORMULA | MOL.WT(ave) | Download | BIOOGICAL ACTIVITY | PHYSICAL AND CHEMICAL PROPERTIES | SPECTRAL DATA | CHROMATOGRAM DATA | SOURCE | CHEMICAL SYNTHESIS | METABOLISM | GENETIC INFORMATION | NOTE | REFERENCES | |||||||||
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MELTING POINT | BOILING POINT | DENSITY | REFRACTIVE INDEX | OPTICAL ROTATION | SOLUBILITY | UV SPECTRA | IR SPECTRA | NMR SPECTRA | MASS SPECTRA | OTHER SPECTRA | ||||||||||||||||||
1 | Formic acid |
Methanoic acid |
DFA0001 | Tetsuyuki Kobayashi |
Fo |
CH2O2 | 46.025 | Dangerously caustic to skin. Chronic absorption is reported to cause albuminuria, hematuria. LD50 in mice 1100 mg/kg orally, 145 mg/kg i.v.. (Ref. 2013) Therapeutic category; counterirritant, astringent. |
8.4C |
100.5C |
d 1.220 |
1.3714 at 20C |
Formica rufa (red ant). |
Made by carbon monoxide and NaOH under pressure and decompose the resulting sodium formate with H2SO4. (Ref. 0002) |
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2 | Acetic acid |
Ethanoic acid |
DFA0002 | Tetsuyuki Kobayashi |
Ac |
C2H4O2 | 60.052 | 16.7C |
118.2C |
d 1.049 |
1.3718 at 20C |
Vinegar |
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3 | Propioic acid |
Propanoic acid |
DFA0003 | Tetsuyuki Kobayashi |
Pp |
C3H6O2 | 74.079 | -22.0C |
141.1C |
d 0.992 |
1.3874 at 20C |
soluble in alcohol, ether and chloroform. (Ref. 0347) |
Milk and milk products. Can be obtained from wood pulp waste liquor by a fermentation process using bacteria of the genus Propionibacterium.(Ref. 1008) From natural gas by the Fischer-Tropsch process;as a byproduct in the pyrolysis of wood; by the action of microorganisms on a variety of materials in small yields. Very pure propionic acid can be obtained from propionitrile. |
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4 | Butyric acid |
Butanoic acid |
DFA0004 | Tetsuyuki Kobayashi |
Bt/C4:0 |
C4H8O2 | 88.105 | -7.9C |
163.5C |
d 0.9587 |
1.33906 at 20C |
miscible with water, alcohol, ether.(Ref. 0347) |
Butterfat |
Obtained by suitable fermentation of carbohydrates;preparation from n-propanol + CO at 200 atm in the presense of Ni(CO)4 and NiI2.(Ref. 1012); lab preparation from ethylmalonic acid. |
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5 | Valeric acid |
Pentanoic acid |
DFA0005 | Tetsuyuki Kobayashi |
Vl/C5:0 |
C5H10O2 | 102.132 | -34.5C |
187.0C |
d 0.942 |
1.4086 at 20C |
Essential oils |
Obtained by decomposition of n-propylmalonic acid. |
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6 | Caproic acid |
Hexanoic acid |
DFA0006 | Tetsuyuki Kobayashi |
Hxo/C6:0 |
C6H12O2 | 116.158 | -3.4C |
205.8C |
d 0.929 |
1.41635 at 20C |
Butterfat;palm oils |
Manufactured by catalytic reduction of corresponding b-lactone. |
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7 | Heptylic acid / Enanthic acid / Enanthylic acid / Heptoic acid |
Heptanoic acid |
DFA0007 | Tetsuyuki Kobayashi |
Hpo / C7:0 |
C7H14O2 | 130.185 | -10.5C |
223.0C |
d 0.92215 |
1.4230 at 20C |
Violet-leaf oil. |
Prepared by the oxidation of heptaldehyde with potassium permanganate in dilute sulfuric acid. |
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8 | Caprylic acid / Octylic acid |
Octanoic acid |
DFA0008 | Tetsuyuki Kobayashi |
Oco / C8:0 |
C8H16O2 | 144.211 | 16.7C |
239.7C |
d 0.910 |
1.4285 at 20C |
very slightly soluble in water (0.068g/100g at 20C); freely soluble in alcohol, chloroform, ether, carbon disulfide, petroleum ether and glacial acetic acid.(Ref. 0347) |
Butterfat;palm-kernel oils |
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9 | Pelargonic acid / Nonylic acid |
Nonanoic acid |
DFA0009 | Tetsuyuki Kobayashi |
Nno / C9:0 |
C9H18O2 | 158.238 | 12.5C |
255.6C |
d 0.907 |
1.4322 at 20C |
Butterfat;hair fat |
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10 | Capric acid |
Decanoic acid |
DFA0010 | Tetsuyuki Kobayashi |
Dec / Dco / C10:0 |
C10H20O2 | 172.265 | 31.6C |
270.0C |
d404 0.8858 |
1.42855 at 40C |
Butterfat;palm-kernel oils |
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11 | Undecylic acid / Hendecanoic acid |
Undecanoic acid |
DFA0011 | Tetsuyuki Kobayashi |
Udo / C11:0 |
C11H22O2 | 186.291 | 29.3C |
284.0C |
d 0.9905 |
1.4202 at 70C |
Human-hair fat. |
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12 | Lauric acid |
Dodecanoic acid |
DFA0012 | Tetsuyuki Kobayashi |
Lau / C12:0 |
C12H24O2 | 200.318 | 44.2C |
225C at 100 mmHg |
d504 0.8690 |
1.4261 at 60C |
Lauraceae oils;Arecaceae |
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13 | Tridecylic acid |
Tridecanoic acid |
DFA0013 | Tetsuyuki Kobayashi |
C13:0 |
C13H26O2 | 214.344 | 41.5C |
236C at 100 mm Hg |
d 0.8458 |
1.4286 at 60C |
Human-hair fat |
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14 | Myristic acid |
Tetradecanoic acid |
DFA0014 | Tetsuyuki Kobayashi |
Myr / C14:0 |
C14H28O2 | 228.371 | 53.9C |
250C at 100 mmHg |
d544 0.8622 |
1.4273 at 70C |
Myristicaceae fats |
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15 | Pentadecylic acid |
Pentadecanoic acid |
DFA0015 | Tetsuyuki Kobayashi |
C15:0 |
C15H30O2 | 242.398 | 52.3C |
202.5C at 10 mmHg |
d 0.8423 |
1.4292 at 70C |
Sheep,hair and milk fats |
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16 | Palmitic acid |
Hexadecanoic acid |
DFA0016 | Tetsuyuki Kobayashi |
Pam / C16:0 |
C16H32O2 | 256.424 | 63.1C |
268C at 100 mmHg |
d 0.8487 |
1.4309 at 70C |
Palm-pulp oils |
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17 | Margaric acid / Heptadecylic acid |
Heptadecanoic acid |
DFA0017 | Tetsuyuki Kobayashi |
C17:0 |
C17H34O2 | 270.451 | 61.3C |
220C at 10 mmHg |
d604 0.853 |
1.4324 at 70C |
Hair and sheep fats |
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18 | Stearic acid |
Octadecanoic acid |
DFA0018 | Tetsuyuki Kobayashi |
Ste / C18:0 |
C18H36O2 | 284.477 | 69.6C |
213C at 5 mmHg |
d 0.8390 |
1.4337 at 70C |
Animal fats(generally) |
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19 | Nonadecylic acid |
Nonadecanoic acid |
DFA0019 | Tetsuyuki Kobayashi |
C19:0 |
C19H38O2 | 298.504 | 68.6C |
299C at 10 mmHg |
d 0.8771 |
1.4512 at 25C |
Ox fat |
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20 | Arachidic acid |
Icosanoic acid / Eicosanoic acid |
DFA0020 | Tetsuyuki Kobayashi |
Ach / C20:0 |
C20H40O2 | 312.530 | 76.5-77.0C |
204C at 1 mmHg |
d1004 0.8240 |
1.4250 at 100C |
Peanut oil;rambutan fat |
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21 | Heneicosanoic acid / Henicosanoic acid |
DFA0021 | Tetsuyuki Kobayashi |
C21:0 |
C21H42O2 | 326.557 | 74.3C |
Japanwax(?);peanut oil(?);synthetic |
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22 | Behenic acid |
Docosanoic acid |
DFA0022 | Tetsuyuki Kobayashi |
Beh / C22:0 |
C22H44O2 | 340.584 | 81.5C |
306C at 60 mmHg |
d1004 0.8221 |
1.4270 at 100C |
Brassicaceae;wool grease;waxes |
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23 | Tricosanoic acid |
DFA0023 | Tetsuyuki Kobayashi |
C23:0 |
C23H46O2 | 354.610 | 79.1C |
203-205C at 1 mmHg |
1.4252 at 70C |
Peanut oil;olive-leaf wax |
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24 | Lignoceric acid |
Tetracosanoic acid |
DFA0024 | Tetsuyuki Kobayashi |
Lig / C24:0 |
C24H48O2 | 368.637 | 87.5-88.0C |
272C at 10 mmHg |
d1004 0.8207 |
1.4373 at 70C |
Practically pure in beechwood tar |
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25 | Pentacosanoic acid |
DFA0025 | Tetsuyuki Kobayashi |
C25:0 |
C25H50O2 | 382.663 | 84-85.0C |
1.4292 at 70C |
Mycobacterium tuberculosis;synthetic wax |
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26 | Cerotic acid |
Hexacosanoic acid |
DFA0026 | Tetsuyuki Kobayashi |
C26:0 / Crt |
C26H52O2 | 396.690 | 87.7-88.5C |
d1004 0.8198 |
1.4313 at 100C |
Plant and insect waxes;synthetic |
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27 | Carboceric acid |
Heptacosanoic acid |
DFA0027 | Tetsuyuki Kobayashi |
C27:0 |
C27H54O2 | 410.716 | 87.6C |
1.4324at 70C |
Synthetic,from 1-hexacosanol |
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28 | Montanic acid |
Octacosanoic acid |
DFA0028 | Tetsuyuki Kobayashi |
C28:0 / Mon |
C28H56O2 | 424.743 | 90.0-90.9C |
d1004 0.8191 |
1.4313at 100C |
Insect,leaf and montan waxes |
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29 | Nonacosanoic acid |
DFA0029 | Tetsuyuki Kobayashi |
C29:0 |
C29H58O2 | 438.770 | 90.3-90.5C |
Montan wax;bitumen from peat |
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30 | Melissic acid |
Triacontanoic acid |
DFA0030 | Tetsuyuki Kobayashi |
C30:0 |
C30H60O2 | 452.796 | 93.6C |
1.4323 at 100C |
Plant and insect waxes(almost exclusively);mineral waxes |
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31 | Hentriacontanoic acid |
DFA0031 | Tetsuyuki Kobayashi |
C31:0 |
C31H62O2 | 466.823 | Peat wax and montan wax (?). |
synthetic. |
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32 | Lacceroic acid |
Dotriacontanoic acid |
DFA0032 | Tetsuyuki Kobayashi |
C32:0 |
C32H64O2 | 480.849 | 96.2C |
Stick-lac wax. |
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33 | Psyllic acid / Ceromelissic cid |
Tritriacontanoic acid |
DFA0033 | Tetsuyuki Kobayashi |
C33:0 |
C33H66O2 | 494.876 | |||||||||||||||||||||
34 | Gheddic acid / Geddic acid |
Tetoratriacontanoic acid |
DFA0034 | Tetsuyuki Kobayashi |
C34:0 |
C34H68O2 | 508.903 | 98.4C |
Ghedda wax. |
Synthesized by oxidation of 1-tetratriacontanol with the nitrile method. |
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35 | Ceroplastic acid |
Pentatriacontanoic acid |
DFA0035 | Tetsuyuki Kobayashi |
C35:0 |
C35H70O2 | 522.929 | 98.4C |
Ceroplasters rubens wax. |
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36 | Hexatriacontanoic acid |
DFA0036 | Tetsuyuki Kobayashi |
C36:0 |
C36H72O2 | 536.956 | Milk and milk products. |
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37 | Heptariacontanoic acid |
DFA0037 | Tetsuyuki Kobayashi |
C37:0 |
C37H74O2 | 550.982 | ||||||||||||||||||||||
38 | Octatriacontanoic acid |
DFA0038 | Tetsuyuki Kobayashi |
C38:0 |
C38H76O2 | 565.009 | ||||||||||||||||||||||
39 | Hexatetracontanoic acid |
DFA0039 | Tetsuyuki Kobayashi |
C46:0 |
C46H92O2 | 677.221 | ||||||||||||||||||||||
40 | Acrylic acid |
2-Propenoic acid |
DFA0040 | Tetsuyuki Kobayashi |
C3:1 |
C3H4O2 | 72.063 | 12.3C/13C |
141.9C(Ref. 0001) |
d 1.0621 |
1.4224 at 20C |
Synthesized by oxidation of acrolein. |
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41 | Isocrotonic acid |
cis-2-Butenoic acid |
DFA0041 | Tetsuyuki Kobayashi |
C4:1 |
C4H6O2 | 86.089 | 14.4-14.6C |
171.9C/169.3C (decomposes) |
d15.54 1.0312 |
1.4457 at 20C |
Reported in the seed oil of Croton tiglium. |
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42 | Crotonic acid |
trans-2-Butenoic acid |
DFA0042 | Tetsuyuki Kobayashi |
C4:1 |
C4H6O2 | 86.089 | 72.0C |
189C |
d 1.018 |
1.4228 at 79.7C |
Reported in the seed oil of Croton tiglium. |
Synthetic. |
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43 | Vinylacetic acid |
3-Butenoic acid |
DFA0043 | Tetsuyuki Kobayashi |
C4:1 |
C4H6O2 | 86.089 | -39C |
163C |
d 1.013 |
1.4257 at 15C |
Synthetic. |
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44 | bEthylacrylic acid |
2-Pentenoic acid |
DFA0044 | Tetsuyuki Kobayashi |
C5:1 |
C5H8O2 | 100.116 | 8C |
200C at 17mmHg |
d 0.9921 |
1.450 at 15C |
Soluble in alcohol and ether. (Ref. 0347) |
Synthesized by reaction of 2-bromovaleic acid with quinoline. |
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45 | bPenteic acid / bPentenoic acid |
3-Pentenoic acid |
DFA0045 | Tetsuyuki Kobayashi |
C5:1 |
C5H8O2 | 100.116 | 193C at 760mmHg |
Soluble in benzene, chloroform and ether. (Ref. 0347) |
Synthesized by decarboxylation of the reaction product of propionaldehyde and malonic acid. |
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46 | Allylacetic acid |
4-Pentenoic acid |
DFA0046 | Tetsuyuki Kobayashi |
C5:1 |
C5H8O2 | 100.116 | -18C |
189C at 760mmHg |
d 0.9843 |
1.4341 at 7.5C |
Soluble in benzene, chloroform and ether. (Ref. 0347) |
Synthetic. |
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47 | Isohydrosorbic acid / b-propylacrylic acid |
2-Hexenoic acid |
DFA0047 | Tetsuyuki Kobayashi |
C6:1 |
C6H10O2 | 114.142 | 32C |
217C at 760mmHg |
d 0.965 |
1.4460 at 40C |
Soluble in alcohol, benzene, chloroform, CS2 and ether. Slightly soluble in water.(Ref. 0347) |
Japanese peppermint oil. |
Synthesized from n-capronic acid. |
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48 | Hydrosorbic acid |
3-Hexenoic acid |
DFA0048 | Tetsuyuki Kobayashi |
C6:1 |
C6H10O2 | 114.142 | 12C |
208C at 760mmHg |
d 0.9610 |
1.4355 |
Soluble in benzene and petroleum ether. (Ref. 0347) |
Synthetic. |
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49 | g -Hexenoic acid |
4-Hexenoic acid |
DFA0049 | Tetsuyuki Kobayashi |
C6:1 |
C6H10O2 | 114.142 | 10C |
206.5C at 760mmHg |
d 0.9658 |
1.4367 |
Soluble in benzene, ether and petroleum ether. (Ref. 0347) |
Synthesized by the action of 1-bromo-2-butene on ethyl sodiomalonate. |
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50 | d -Hexenoic acid |
5-Hexenoic acid |
DFA0050 | Tetsuyuki Kobayashi |
C6:1 |
C6H10O2 | 114.142 | 203C at 121mmHg |
d194 0.9639 |
1.4343 at 20C |
Soluble in benzene, ether and petroleum ether. (Ref. 0347) |
Synthesized by (i) treatment of 6-aminocaproic acid with HNO2, and (ii) reaction of 1-bromo-3-butene with ethyl sodiomalonate. |
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51 | a -Heptenoic acid |
2-Heptenoic acid |
DFA0051 | Tetsuyuki Kobayashi |
C7:1 |
C7H12O2 | 128.169 | 120-121C at 11mmHg |
d 0.9575 |
1.4488 at 20C |
Soluble in benzene, ether and petroleum ether. (Ref. 0347) |
Marine oils and milk fats. |
Synthesized by (i) the malonic ester method, and (ii) reaction of 7-aminoheptanoic acid and HNO2. |
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52 | b -Heptenoic acid |
3-Heptenoic acid |
DFA0052 | Tetsuyuki Kobayashi |
C7:1 |
C7H12O2 | 128.169 | -12C |
226-228C at 760mmHg |
Soluble in alcohol, ether and petroleum ether. (Ref. 0347) |
Synthesized from n-valeraldehyde by the malonic acid method. |
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53 | g -Heptenoic acid |
4-Heptenoic acid |
DFA0053 | Tetsuyuki Kobayashi |
C7:1 |
C7H12O2 | 128.169 | 98-100C at 5mmHg |
d 0.949 |
1.4418 at 15C |
Soluble in acetone, ether, and methanol. (Ref. 0263) |
Synthetic. |
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54 | d -Heptenoic acid |
5-Heptenoic acid |
DFA0054 | Tetsuyuki Kobayashi |
C7:1 |
C7H12O2 | 128.169 | 117C at 11mmHg |
d 0.9496 |
1.4444 at 20C |
Synthesized by the reaction of 4-chlorobutiric acid and K or Na acetoacetate. |
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55 | e -Heptenoic acid |
6-Heptenoic acid |
DFA0055 | Tetsuyuki Kobayashi |
C7:1 |
C7H12O2 | 128.169 | -6.5C |
125C at 15mmHg |
d14.94 0.9515 |
1.4404 at 14.9C |
Soluble in acetone and methanol. (Ref. 0192) |
Synthesized by the reaction of 7-aminoheptanoic acid and HNO2. |
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56 | 3-n-Amylacrylic acid / cis-a-octenoic acid |
cis-2-Octenoic acid |
DFA0056 | Tetsuyuki Kobayashi |
C8:1 |
C8H14O2 | 142.196 | 154C at 22mmHg |
d 0.9807 |
1.4587 at 20C |
Synthesized by condensation of caprylic aldehyde with malonic acid in the presence of pyridine. |
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57 | trans-a-Octenoic acid |
trans-2-Octenoic acid |
DFA0057 | Tetsuyuki Kobayashi |
C8:1 |
C8H14O2 | 142.196 | 143C at 15mmHg |
d 0.945 |
1.462 |
Synthetic. |
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58 | cis-b-Octenoic acid |
cis-3-Octenoic acid |
DFA0058 | Tetsuyuki Kobayashi |
C8:1 |
C8H14O2 | 142.196 | -25C |
150C at 19mmHg |
d 0.9352 |
1.4433 at 20 C |
Synthetic. |
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59 | trans-b-Octenoic acid |
trans-3-Octenoic acid |
DFA0059 | Tetsuyuki Kobayashi |
C8:1 |
C8H14O2 | 142.196 | 1C |
142C at 19mmHg |
d 0.942 |
1.4456 at 20 C |
Synthetic. |
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60 | g-Octenoic acid |
cis-4-Octenoic acid |
DFA0060 | Tetsuyuki Kobayashi |
C8:1 |
C8H14O2 | 142.196 | -35C |
96C at 0.8mmHg |
d 0.9301 |
1.4417 at 20 C |
Synthetic. |
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61 | cis-d-Octenoic acid |
cis-5-Octenoic acid |
DFA0061 | Tetsuyuki Kobayashi |
C8:1 |
C8H14O2 | 142.196 | Synthetic |
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62 | trans-d-Octenoic acid |
trans-5-Octenoic acid |
DFA0062 | Tetsuyuki Kobayashi |
C8:1 |
C8H14O2 | 142.196 | Synthetic |
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63 | cis-e-Octenoic acid |
cis-6-Octenoic acid |
DFA0063 | Tetsuyuki Kobayashi |
C8:1 |
C8H14O2 | 142.196 | -17C |
88C at 0.8 mmHg |
d4 0.9378 |
1.4441 at 20C |
Synthetic |
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64 | trans-e-Octenoic acid |
trans-6-Octenoic acid |
DFA0064 | Tetsuyuki Kobayashi |
C8:1 |
C8H14O2 | 142.196 | 6C |
90C at 1.2 mm Hg |
d4 0.9422 |
1.4454 at 20C |
Synthetic |
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65 | a-Nonylenic acid |
cis-2-Nonenoic acid |
DFA0065 | Tetsuyuki Kobayashi |
C9:1 |
C9H16O2 | 156.222 | 4C |
90C at 20 mmHg |
d 0.9316 |
1.4587 at 20C |
Synthetic |
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66 | b-Nonylenic acid / 3-nonylenic acid |
3-Nonenoic acid |
DFA0066 | Tetsuyuki Kobayashi |
C9:1 |
106C at 1 mmHg |
d 0.9290 |
1.4484 at 20C |
Synthetic |
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67 | 8-Nonylenic acid |
8-Nonenoic acid |
DFA0067 | Tetsuyuki Kobayashi |
C9:1 |
C9H16O2 | 156.222 | 5C |
116-118C at 1 mmHg |
d 0.9146 |
1.4492 |
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68 | 2-Decylenic acid |
2-Decenoic acid |
DFA0068 | Tetsuyuki Kobayashi |
C10:1 |
C10H18O2 | 170.249 | 12C |
165C at 15 mmHg |
d 0.9280 |
1.46161 at 20C |
Synthetic by condensation of caprylic aldehyde with malonic acid in presence of pyridene. |
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69 | 3-Decylenic acid |
3-Decenoic acid |
DFA0069 | Tetsuyuki Kobayashi |
C10:1 |
C10H18O2 | 170.249 | 18C |
154-163C at 11 mmHg |
d 0.914 |
1.4510 at 18C |
Synthetic by distillation of hexyl paraconic acid. |
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70 | Obtusilic acid |
4-Decenoic acid |
DFA0070 | Tetsuyuki Kobayashi |
C10:1 |
C10H18O2 | 170.249 | 148-150C at 13 mmHg |
d 0.9197 |
1.4497 at 20C |
Seed oil of Lindera obtusiloba(Japanese spicebush). |
Made by carbon monoxide and NaOH under pressure and decompose the resulting sodium formate with H2SO4. (Ref. 0002) |
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71 | Isodecenoic acid |
8-Decenoic acid |
DFA0071 | Tetsuyuki Kobayashi |
C10:1 |
C10H18O2 | 170.249 | 155-157C at 14 mmHg |
d 0.930 |
Butterfat and milk of man, goat, and Indian buffalo. |
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72 | 9-Decylenic acid / caproleic acid |
9-Decenoic acid |
DFA0072 | Tetsuyuki Kobayashi |
C10:1 |
C10H18O2 | 170.249 | 158-163C at 21 mmHg |
d 0.9238 |
1.4485 at 21C |
soluble in ethanol and ether.(Ref. 0493) |
Mild fats of most animals. |
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73 | 2-Hendecenoic acid |
2-Undecenoic acid |
DFA0073 | Tetsuyuki Kobayashi |
C11:1 |
C11H20O2 | 184.275 | |||||||||||||||||||||
74 | 9-Hendecenoic acid / 9-undecylenic acid |
9-Undecenoic acid |
DFA0074 | Tetsuyuki Kobayashi |
C11:1 |
C11H20O2 | 184.275 | 11.4C |
129C at 1 mmHg |
Synthetic by debromination of 9-bromo-9undecenoic acid with (i)Na in ethanol,or (ii)Zn and propionic acid. |
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75 | 10-Hendecenoic acid / 10-undecylenic acid |
10-Undecenoic acid |
DFA0075 | Tetsuyuki Kobayashi |
C11:1 |
C11H20O2 | 184.275 | 24.5C |
275C at 25 mmHg |
d 0.9075 |
1.4464 at 20C |
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76 | 2-Lauroleic acid |
2-Dodecenoic acid |
DFA0076 | Tetsuyuki Kobayashi |
C12:1 |
C12H22O2 | 198.302 | 17C |
172-174C at 8 mmHg |
d 0.9130 |
1.4639 at 20C |
Synthetic by reation of decanaldehyde with malonic acid in presence of pyridene. |
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77 | Linderic acid |
4-Dodecenoic acid |
DFA0077 | Tetsuyuki Kobayashi |
C12:1 |
C12H22O2 | 198.302 | 1-1.3C |
170-172C at 13 mmHg |
d 0.9106 |
1.4545 at 15C |
Seed oils or Lindera obtusiloba and various Formosan plants. |
||||||||||||||||
78 | 6-Lauroleic acid |
6-Dodecenoic acid |
DFA0078 | Tetsuyuki Kobayashi |
C12:1 |
C12H22O2 | 198.302 | |||||||||||||||||||||
79 | 7-Lauroleic acid |
7-Dodecenoic acid |
DFA0079 | Tetsuyuki Kobayashi |
C12:1 |
C12H22O2 | 198.302 | Oil |
1.4486 at 27.5C |
|||||||||||||||||||
80 | 9-Lauroleic acid |
9-Dodecenoic acid |
DFA0080 | Tetsuyuki Kobayashi |
C12:1 |
C12H22O2 | 198.302 | 142C at 4 mmHg |
soluble in benzene, chloroform and ether.(Ref. 0301) |
Milk fats;cochineal wax;wax of Tachardina theae. |
||||||||||||||||||
81 | 10-Lauroleic acid |
10-Dodecenoic acid |
DFA0081 | Tetsuyuki Kobayashi |
C12:1 |
C12H22O2 | 198.302 | 18C |
166-168C at 9 mmHg |
|||||||||||||||||||
82 | 11-Lauroleic acid |
11-Dodecenoic acid |
DFA0082 | Tetsuyuki Kobayashi |
C12:1 |
C12H22O2 | 198.302 | 20C |
171-172C at 13 mmHg |
d 0.9030 |
1.4510 at 20C |
Synthetic by conversion (i) from 10-undecenoic acid and (ii) of 1-bromo-10-decene to 11-dodecenenitrile, followed by hydrolysis. |
||||||||||||||||
83 | 3-n-Decylacrylic acid |
2-Tridecenoic acid |
DFA0083 | Tetsuyuki Kobayashi |
C13:1 |
C13H24O2 | 212.328 | 38-39C |
167-171C at 2 mmHg |
d304 0.8995 |
1.46121 at 20C |
Synthetic by rection of undecanaldehyde with malonic acid in presence of pyrideine. |
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84 | Isotridecenoic acid |
11-Tridecenoic acid |
DFA0084 | Tetsuyuki Kobayashi |
C13:1 |
C13H24O2 | 212.328 | 28-29C |
183-185C at 13.5 mm Hg |
Synthetic by reaction of undecanaodehyde with malonic acid in presence of pyridine. |
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85 | 12-Tridecenoic acid |
DFA0085 | Tetsuyuki Kobayashi |
C13:1 |
C13H24O2 | 212.328 | 38-39C |
192C at 20 mmHg |
Synthetic by (i) reaction of 1-bromo-10-undecene ethyl malonate and Na and (ii) conversion of 10-undecenoic acid to 11-dodecenoic acid. |
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86 | 2-Tetradecenoic acid |
DFA0086 | Tetsuyuki Kobayashi |
C14:1 |
C14H26O2 | 226.355 | 33C/50-53C |
186-188C at 8 mmHg |
Synthetic by rection of lauric aldehyde with malonic acid in presence of pyridine. |
|||||||||||||||||||
87 | Tsuzuic acid |
4-Tetradecenoic acid |
DFA0087 | Tetsuyuki Kobayashi |
C14:1 |
C14H26O2 | 226.355 | 18-18.5C |
185C at 13 mmHg |
d 0.9024 |
1.4559 at 20C |
soluble in benzene,petroleum and ether.(Ref. 0298) |
Seed oils of Lindera obtusiloba Litsea sp.,Tetradenia glauca and related plants. |
|||||||||||||||
88 | Physeteric acid / 5-myristoleic acid |
5-Tetradecenoic acid |
DFA0088 | Tetsuyuki Kobayashi |
C14:1 |
C14H26O2 | 226.355 | 20C |
190-195C at 15 mmHg |
d 0.9046 |
1.4552 at 20C |
Sperm whale and dolphin oils;whale head and blubber oil;sardine oil;pilot-whale oil;sperm whale-blubber oil;human-hair fat. |
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89 | cis-8-Tetradecenoic acid |
DFA0089 | Tetsuyuki Kobayashi |
C14:1 |
C14H26O2 | 226.355 | Oil |
1.4569 at 17C |
Lipids of all eubacteria investigated. |
|||||||||||||||||||
90 | Myristoleic acid |
cis-9-Tetradecenoic acid |
DFA0090 | Tetsuyuki Kobayashi |
C14:1 |
C14H26O2 | 226.355 | -4C |
d4 0.9018 |
1.4519 at 20C |
Oils of whale blubber,shark liver,Antarctic whale and turtle;eel;milk fats;Japanese coccid wax;seed fat of Pycnanthus kombo. |
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91 | 2-Pentadecenoic acid |
DFA0091 | Tetsuyuki Kobayashi |
C15:1 |
C15H28O2 | 240.382 | 4.5C |
Synthetic, by conversion of myristic acid, to a-hydroxymyristic acid, then, by the action of Pb tetraacetate, to tridecanoldehyde which is then condensed with malonic acid in presence of pyridine. |
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92 | 14-Pentadecenoic acid |
DFA0092 | Tetsuyuki Kobayashi |
C15:1 |
C15H28O2 | 240.382 | 198C at 8 mmHg |
Synthetic, by the malonic acid method form 1-bromo-12-tridecene and ethyl malonate in presence of sodium ethoxide. |
||||||||||||||||||||
93 | Gaidic acid / 2-Palmitoleic acid |
2-Hexadecenoic acid |
DFA0093 | Tetsuyuki Kobayashi |
C16:1 |
C16H30O2 | 254.408 | 39C/45C |
Synthetic, by the action of alcoholic KOH on 2-iodopalmitic acid. |
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94 | 7-Palmitoleic acid |
7-Hexadecenoic acid |
DFA0094 | Tetsuyuki Kobayashi |
C16:1n-9 |
C16H30O2 | 254.408 | 21C/33C/32-33C [a-form]/40-41C[b-form] |
236C at 15 mmHg value for a-form/180-183C at 1 mmHg value for b-form |
1.4583 at 20C value for the b-form |
Synthetic, by the action of fused KOH on atearolic acid. |
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95 | cis-9-Palmitoleic acid |
cis-9-Hexadecenoic acid |
DFA0095 | Tetsuyuki Kobayashi |
DPam / C16:1n-7 |
C16H30O2 | 254.408 | -0.5 to +0.5C |
140-141C at 5mmHg |
Widely distrobuted in animal, vegetable and marine oils |
||||||||||||||||||
96 | trans-9-Palmitoleic acid |
trans-9-Hexadecenoic acid |
DFA0096 | Tetsuyuki Kobayashi |
C16:1n-7 |
C16H30O2 | 254.408 | 31C |
snade fish , human-hair(Ref. 4001) |
Synthetic, by treatment of the cis-form with Se or N oxides. |
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97 | cis-10-Palmitoleic acid |
cis-10-Hexadecenoic acid |
DFA0097 | Tetsuyuki Kobayashi |
C16:1 |
C16H30O2 | 254.408 | 15-16C |
1.4593 at 20C |
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98 | 2-Heptadecylenic acid |
2-Heptadecenoic acid |
DFA0098 | Tetsuyuki Kobayashi |
C17:1 |
C17H32O2 | 268.435 | 57.5C |
Synthetic, by the malonic acid method from pentadecanoldehyde and malonic acid in presence of pyridine. |
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99 | 9-Heptadecylenic acid |
cis-9-Heptadecenoic acid |
DFA0099 | Tetsuyuki Kobayashi |
C17:1 |
C17H32O2 | 268.435 | 11.4-12.2C / 14.5C |
175C at 0.5 mmHg |
1.4598 at 20C |
Butterfat ; bogy fat Ovibos moschatus subsp.(Canadian musk ox) |
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100 | cis-2-Octadecenoic acid |
DFA0100 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 50.5C |
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101 | trans-2-Oleic acid |
trans-2-Octadecenoic acid |
DFA0101 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 58.5C |
d904 0.8484 |
No natural source |
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102 | 3-Octadecylenic acid |
3-Octadecenoic acid |
DFA0102 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 56-57C |
1.4466 at 65C |
No natural source |
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103 | 4-Octadecylenic acid |
4-Octadecenoic acid |
DFA0103 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 52-53C |
Only natural source, seed oil of Thalictrum polycarpum |
Synthetic in trans-form. |
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104 | 5-Octadecylenic acid |
trans-5-Octadecenoic acid |
DFA0104 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 43-44C/47.5C |
Synthetic, by the addition of HI to 5-stearolic acid followed by reduction of the addition product with Zn plus acetic acid. |
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105 | 6-Octadecylenic acid / petroselinic acid / petroselic acid / 5-heptadecylene-1-carboxylic acid / D5-octadecylenic acid |
cis-6-Octadecenoic acid |
DFA0105 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 33C |
215-217C at 2-3 mmHg |
d354 0.8824 |
1.4536 at 65C |
Various fruit and seed oils including those of various umbellates including ivy and coriander seeds, Angelica polyclada and Petroselinum crispum (parsley) |
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106 | Petroselaidic acid |
trans-6-Octadecenoic acid |
DFA0106 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 54-59C |
1.4408 at 70C |
Synthetic, by partial reduction of natural 6-octadecynoic (tariric) acid which has been synthesized by 2 different method. |
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107 | cis-7-Octadecenoic acid |
DFA0107 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 12.5-13.1C |
synthetic, by the alkyl-acetylene method (also true for other positional isomers up to the 12-cis-isomer). |
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108 | trans-7-Octadecenoic acid |
DFA0108 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 44.2-44.5C |
Synthetic, by addition of HI to 7-stearolic acid, followed by reduction of the addition product with Zn plus acetic acid. |
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109 | cis-8-Oleic acid |
cis-8-Octadecenoic acid |
DFA0109 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 13.4C [a-]/16.3C [b-] |
234C at 15 mmHg |
d 0.898 |
1.45823 at 20C |
Reported in human-hair fat and olive oil; presence in other fats suspected |
Synthetic, by the alkylacetylene method. |
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110 | trans-8-Elaidic acid |
trans-8-Octadecenoic acid |
DFA0110 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 52-52.6C |
Synthetic, by isomerization of the cis-isomer with Se. |
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111 | 9-Octadecylenic acid / Oleic acid |
cis-9-Octadecenoic acid |
DFA0111 | Tetsuyuki Kobayashi |
Ole / C18:1n-9 |
C18H34O2 | 282.461 | 12C [labile] / 16C [stable] |
234C at 15 mmHg |
d 0.898 |
1.45823 at 20C |
soluble in acetone , alcohol, chloroform, ether and petroleum ether |
Generally considerd to be predominant fatty acid in nature (few fats known to contain less than 10%; Separation from olive oil by double fraction via urea adduct(Ref. 4003). Major constituent in plant oils e.g. olive oil (about 80%), almond oil (about 80%), mainly as glyceride. |
Purest product (98%) obtained when the oil was saponified with 3% KOH solution; Synthesis(Ref. 4008) |
In animals oleic acid is synthsized from stearoyl CoA by oxidative desaturation using O2, NADPH, cytochrome b5. Oleic acid is further metabolized to 20:9n-9 via reactions of desaturation and elongation. Essential fatty acid deficincy causes the accumulation of 20:9n-9. |
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112 | 9-Elaidic acid |
trans-9-Octadecenoic acid |
DFA0112 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 44.5-46.5C |
234C at 15 mmHg |
d 0.8565 |
1.4405 at 70C |
soluble in alcohol,chloroform, ether and petroleum ether(Ref. 0189) |
Fat of ruminants; human-mother's milk (Ref. 4002) |
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113 | cis-10-Oleic acid |
cis-10-Octadecenoic acid |
DFA0113 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 22.2-22.8C |
Root nodules of Pinellia ternate |
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114 | trans-10-Octadecenoic acid |
DFA0114 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | Root of nodules of Pinellia |
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115 | cis-Vaccenic acid |
cis-11-Octadecenoic acid |
DFA0115 | Tetsuyuki Kobayashi |
cis-Vac / C18:1n-7 |
C18H34O2 | 282.461 | 14.5-15.5C |
Found in butterfat and in other animal fats. (Ref. 4004) |
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116 | trans-Vaccenic acid |
trans-11-Octadecenoic acid |
DFA0116 | Tetsuyuki Kobayashi |
trans-Vac / C18:1n-7 |
C18H34O2 | 282.461 | 44C |
d 0.8563 |
1.4406 at 70C |
Small proportion in ox and sheep body fats; butter |
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117 | cis-12-Oleic acid |
cis-12-Octadecenoic acid |
DFA0117 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 9.8-10.4 / 26.5-27.5C |
196C at 1.5 mmHg |
Soybean oil |
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118 | trans-12-Elaidic acid |
trans-12-Octadecenoic acid |
DFA0118 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 39.7-40.1C |
196C at 1.5 mmHg |
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119 | trans-15-Octadecenoic acid |
DFA0119 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 61-61.5C(Ref. 0001) |
Synthetic by partial hydrogenation of linolenic acid. |
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120 | trans-16-Octadecenoic acid |
DFA0120 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 65.6-66.2C |
Hydrolysates of betterfat and of ox and sheep fats |
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121 | cis-17-Octadecenoic acid |
DFA0121 | Tetsuyuki Kobayashi |
C18:1 |
C18H34O2 | 282.461 | 55-55.5C |
Kamala-seed oil |
Synthetic, by reduction of ethyl undecanoate with LiAlH4 to 10-undecenol, followed by further reactions to cis-17-octadecenoic acid. |
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122 | 2-Nonadecenoic acid |
DFA0122 | Tetsuyuki Kobayashi |
C19:1 |
C19H36O2 | 296.488 | 66.5C |
297-298C at 100 mmHg |
Synthetic, by dehydrohalogenation of 2-bromononadecanoic acid. |
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123 | cis-Gadoleic acid |
cis-9-Eicosenoic acid / cis-9-icosenoic acid |
DFA0123 | Tetsuyuki Kobayashi |
C20:1 |
C20H38O2 | 310.515 | 23-23.5C |
170C at 0.1 mmHg |
d 0.882 |
1.4597 at 25C |
Natural fats; codfish; shark- and ray-liver oils; whale oil |
Synthetic |
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124 | cis-Gondoic acid |
cis-11-Eicosenoic acid / cis-11-icosenoic acid |
DFA0124 | Tetsuyuki Kobayashi |
C20:1 |
C20H38O2 | 310.515 | 23-24/50C |
267C at 15 mmHg |
Seed oils of Cardiospermum halicacabum (balloon vine), rape, mustard, and other Brassicaceae; reported in oils of menhaden, Atlantic cod, Squalus acanthias (dogfish) liver, and Dalphinapterus leucas (beluga, or white whale) blubber |
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125 | trans-Gondoic acid |
trans-11-Eicosenoic acid / trans-11-icosenoic acid |
DFA0125 | Tetsuyuki Kobayashi |
C20:1 |
C20H38O2 | 310.515 | 52-53C |
Oils of pilot whale, menhaden, Atlantic cod, Squalus acanthias (dogfish) liver, and blubber of Delphinap terus leucas (beluga, or white whale); many plants, especially Buxaceae. |
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126 | cis-14-Eicosenoic acid / cis-14-icosenoic acid |
DFA0126 | Tetsuyuki Kobayashi |
C20:1 |
C20H38O2 | 310.515 | 42.5C |
Synthetic |
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127 | cis-Cetoleic acid |
cis-11-Docosenoic acid |
DFA0127 | Tetsuyuki Kobayashi |
C22:1 |
C22H42O2 | 338.568 | 33-33.7C |
As the ester in oils of marine animals, especially in liver oils of fish, e.g., Gadus morhua (Atlantic codfish). |
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128 | cis-Erucic acid |
cis-13-Docosenoic acid |
DFA0128 | Tetsuyuki Kobayashi |
C22:1 |
C22H42O2 | 338.568 | 34.7C |
281C at 30 mmHg |
d 0.85321 |
1.44438 at 70C |
Seed oils of Brassicaceae and Tropaeolaceae (40-80% of total fatty acids); seeds of rape, wallflower, mustard and jamba; nastutium; Pringlea antiscorbutica (Kerguelen cabbage); Thlaspi arvense (fenchweed); Argentine avocados; 3 Ximenia spp. |
Synthetic |
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129 | trans-Brassidic acid |
trans-13-Docosenoic acid |
DFA0129 | Tetsuyuki Kobayashi |
C22:1 |
C22H42O2 | 338.568 | 61.9C |
265C at 15 mmHg |
d 0.85002 |
1.44349 at 70C |
Synthetic, by (1) the malonic ester method, and (2) treating erucic acid with a variety of isomerizing agents. |
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130 | 22-Tricosenoic acid |
DFA0130 | Tetsuyuki Kobayashi |
C23:1 |
C23H44O2 | 352.594 | 75.1-75.2C |
Synthetic, by lengthening the chain of 10-undecenoic acid. |
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131 | Nervonic acid / cis-Selacholeic acid |
cis-15-Tetracosenoic acid |
DFA0131 | Tetsuyuki Kobayashi |
C24:1 |
C24H46O2 | 366.621 | 42.5-43C |
Liver oil of Centrophorus granulosus (spiny dogfish shark); cerebroside of brain tissue; reported in kernel oils of several Ximenia spp. |
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132 | trans-Selacholeic acid |
trans-15-Tetracosenoic acid |
DFA0132 | Tetsuyuki Kobayashi |
C24:1 |
C24H46O2 | 366.621 | 65.5C |
Synthetic |
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133 | 9-Hexacosenoic acid |
DFA0133 | Tetsuyuki Kobayashi |
C26:1 |
C26H50O2 | 394.674 | Reported to be a component of lipids in Spheciospongia vesparia (a sponge) |
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134 | Ximenic acid |
cis-17-Hexacosenoic acid |
DFA0134 | Tetsuyuki Kobayashi |
C26:1 |
C26H50O2 | 394.674 | 45-45.5C(?) |
Reported in the seed oil of Ximenia americana (an Indian shrub). |
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135 | cis-19-Octacosenoic acid |
DFA0135 | Tetsuyuki Kobayashi |
C28:1 |
C28H54O2 | 422.727 | 57-58C |
Small proportion of South African Ximenia spp.; 4.7-12.2% of seed oils of various Ximenia spp. |
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136 | Lumepueic acid |
cis-21-Triacontenoic acid |
DFA0136 | Tetsuyuki Kobayashi |
C30:1 |
C30H58O2 | 450.780 | soluble in benzene, chloroform, ether and petroleumether (Ref. 0082) |
Reported to be 3-7% of fatty acids in various African Ximenia oils. |
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137 | cis-Dotriacontenoic acid |
DFA0137 | Tetsuyuki Kobayashi |
C32:1 |
C32H62O2 | 478.833 | Approx. 1% in seed oils of Ximenia americana & X. caffra. |
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138 | b-Vinylacrylic acid |
2, 4-Pentadienoic acid |
DFA0138 | Tetsuyuki Kobayashi |
C5:2 |
C5H6O2 | 98.100 | 80C |
decomposes, 100C |
very soluble in ethanol and ether / soluble in hot water / slightly soluble in petroleumether (Ref. 0162) |
Synthetic |
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139 | Sorbic acid |
2, 4-Hexadienoic acid |
DFA0139 | Tetsuyuki Kobayashi |
C6:2 |
C6H8O2 | 112.127 | 134.5C |
decomposes, 228C |
Berries of mountain ash; unripe sorb apples. |
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140 | cis, cis-Stillingic acid |
cis-2, cis-4-Decadienoic acid |
DFA0140 | Tetsuyuki Kobayashi |
C10:2 |
C10H16O2 | 168.233 | 1.4896 at 17C |
soluble in acetone, ether and hexane (Ref. 0146) |
Stillingia oils. |
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141 | cis-2, trans-4-Decadienoic acid |
DFA0141 | Tetsuyuki Kobayashi |
C10:2 |
C10H16O2 | 168.233 | 112-114C at 0.45 mm Hg |
1.5007 at 18C |
soluble in acetone, ether and petroleumether (Ref. 0146) |
Sebastiania fruticosa seeds. |
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142 | trans, cis-Stillingic acid |
trans-2, cis-4-Decadienoic acid |
DFA0142 | Tetsuyuki Kobayashi |
C10:2 |
C10H16O2 | 168.233 | 107C at 0.2 mm Hg |
1.5078 at 18C |
Stillingia oils. |
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143 | trans-2, trans-4-Decadienoic acid |
DFA0143 | Tetsuyuki Kobayashi |
C10:2 |
C10H16O2 | 168.233 | 49-50C |
121-124C at 0.3 mmHg |
1.5058 at 31C |
Synthetic |
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144 | cis-2, cis-6-Decadienoic acid |
DFA0144 | Tetsuyuki Kobayashi |
C10:2 |
C10H16O2 | 168.233 | Oil |
1.4730 at 17C |
Synthetic |
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145 | trans-2, cis-6-Decadienoic acid |
DFA0145 | Tetsuyuki Kobayashi |
C10:2 |
C10H16O2 | 168.233 | Stillingia oils. |
|||||||||||||||||||||
146 | trans-2, trans-6-Decadienoic acid |
DFA0146 | Tetsuyuki Kobayashi |
C10:2 |
C10H16O2 | 168.233 | 42-43C |
Synthetic |
||||||||||||||||||||
147 | trans-4, trans-6-Decadienoic acid |
DFA0147 | Tetsuyuki Kobayashi |
C10:2 |
C10H16O2 | 168.233 | Synthetic |
|||||||||||||||||||||
148 | 9, 12-Hexadecadienoic acid |
DFA0148 | Tetsuyuki Kobayashi |
C16:2 |
C16H28O2 | 252.392 | Seed oils of Acacia giraffae, Asclepias syriaca, and Macadamia ternifolia. |
|||||||||||||||||||||
149 | cis-5, cis-12-Octadecadienoic acid |
DFA0149 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | Synthetic |
|||||||||||||||||||||
150 | cis-5, trans-12-Octadecadienoic acid |
DFA0150 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | -4 to -2C |
1.4677 at 20C |
Synthetic |
|||||||||||||||||||
151 | trans-5, cis12-Octadecadienoic acid |
DFA0151 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | -12C to -9C |
168C to 170C at 0.3mmHg |
1.4684 at 20C |
|||||||||||||||||||
152 | trans-5, trans-12-Octadecadienoic acid |
DFA0152 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | 16C to 19C |
175C to 176C at 0.4mmHg |
1.4671 at 20C |
|||||||||||||||||||
153 | 6, 8-Octadecadienoic acid |
DFA0153 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | 153C to 155C at 0.1mmHg |
|||||||||||||||||||||
154 | trans-8, trans-10-Octadecadienoic acid |
DFA0154 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | 56C to 56.5C |
d604 0.8808 |
1.4682 at 60C |
|||||||||||||||||||
155 | cis-8, cis-11-Octadecadienoic acid |
DFA0155 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | -12.5C to -9.5C |
11.8C to 20C at 0.0001mmHg |
1.4663 at 25C |
|||||||||||||||||||
156 | cis-9, cis-11-Octadecadienoic acid |
DFA0156 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | 42C to 43.2C |
|||||||||||||||||||||
157 | cis-9, trans-11-Octadecadienoic acid |
DFA0157 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | -6C to -3C |
|||||||||||||||||||||
158 | trans-9, trans-11-Octadecadienoic acid |
DFA0158 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | 54C |
d774 0.8659 |
1.4624 at 77C |
|||||||||||||||||||
159 | Linoleic acid |
cis-9, cis-12-Octadecadienoic acid |
DFA0159 | Tetsuyuki Kobayashi |
LA / C18:2n-6 / C18:2w6 |
C18H32O2 | 280.445 | There are two groups of essential fatty acids for mammals, the n-6 (or w6) and the n-3 (or w3). Linoleic acid (LA) is one of the n-6 essential fatty. Animals deficient in LA show the growth retardation, skin lesions, reproductive failure, fatty liver and polydipsia (Ref. 2009/2010). Dietary supplementation of either linoleate, g-linoleate or arachidonate prevents such symptoms completely. Its physiological functions appear to be mediated mainly through the hormone-like eicosanoids (prostaglandins, leukotriens and thromboxanes et al.) derived from arachidonic acid which is biosynthesized from LA. LA is also shown to be involved in control of the water impermeability of the skin and regulation of cholesterol synthesis and transport. |
-5C |
229C to 230C at 16mmHg |
d 0.9031 |
1.4711 at 20C |
Constituent of the essential fatty acids (vitamin F) and of various microorganisms; oils of cottonseed, soybean, peanut, corn, sunflower and poppy seed. |
Linoleic acid (18:2n-6) is synthesized from oleic acid (18:1n-9) by desaturation of D12-desaturase, and a-linolenic acid (18:3n-3) is formed from linoleic acid by desaturation reaction of D15-desaturase. Since both D12- and 15-desaturases are present in plant cells but not in animal cells, linoleic and a-linolenic acid are not biosynthesized in animal cells in vivo. When ingested by animals, linoleic acid is desaturated, elongated to form g-linolenic acid (18:3n-6), dihomo-g-linolenic acid (20:3n-6), arachidonic acid (20:4n-6) and adrenic acid (22:4n-6). Docosapentaenoic acid (22:5n-6) is synthesized from adrenic acid in significant amounts only under conditions of prolonged n-3 fatty acid deficiency. No interconversion between the n-6 and n-3 series in mammals. Nutritionally, it is important to note that different foods contain different proportions of n-6/n-3 and therefore the n-6/n-3 ratio in tissue lipids change significantly depending on the choice of foods.(Ref. 2003) Although plants synthesize and store linoleic acid and a-linolenic acid as well as saturated and monounsaturated fatty acids in grains, the proportions of these fatty acids in different vegetable oils differ greatly. Safflower and sunflower oil contain high levels of linoleate, while perilla and linseed oil are rich in a-linolenic acid. |
||||||||||||||
160 | cis-9, trans-12-Octadecadienoic acid |
DFA0160 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | 1C |
1.4650 at 27C |
Synthetic by dehydration of ricinoleic acid or elaidinization of linoleic acid. |
|||||||||||||||||||
161 | trans-9, cis-12-Octadecadienoic acid |
DFA0161 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | 1C |
1.4690 at 27C |
||||||||||||||||||||
162 | Linolelaidic |
trans-9, trans-12-Octadecadienoic acid |
DFA0162 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | 28C to 29C |
179C to 183C at 0.8mmHg |
1.4641 at 27C |
Seed fat of Chilopsis linearis. |
|||||||||||||||||
163 | cis-10, cis-12-Octadecadienoic acid |
DFA0163 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | 38.2C to 39C |
|||||||||||||||||||||
164 | trans-10, cis-12-Octadecadienoic acid |
DFA0164 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | 22.23C |
Seed fat of Chilopsis linearis. |
||||||||||||||||||||
165 | trans-10, trans-12-Octadecadienoic acid |
DFA0165 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | 56C to 57C |
d 0.8686 |
1.4656 at 70C |
|||||||||||||||||||
166 | cis-10, cis-13-Octadecadienoic acid |
DFA0166 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | -9C to -6.5C |
121C to 128C at 0.0001mmHg |
1.4670 at 25C |
|||||||||||||||||||
167 | cis-11, cis-14-Octadecadienoic acid |
DFA0167 | Tetsuyuki Kobayashi |
C18:2 |
C18H32O2 | 280.445 | 6C to 8C |
112C to 115C at 0.0001mmHg |
1.4664 at 25C |
|||||||||||||||||||
168 | cis-10, cis-13-Nonadecadienoic acid |
DFA0168 | Tetsuyuki Kobayashi |
C19:2 |
C19H34O2 | 294.472 | Liver oil of Carcharodon carcharias; Cambodiafish oil. |
|||||||||||||||||||||
169 | 11, 14-Eicosadienoic acid / 11, 14-icosadienoic acid |
DFA0169 | Tetsuyuki Kobayashi |
C20:2 |
C20H36O2 | 308.499 | Herring and menhaden oils; cattle-liver phosphatides; swine brain lipids; shark liver oil. |
|||||||||||||||||||||
170 | 5, 13-Docosadienoic acid |
DFA0170 | Tetsuyuki Kobayashi |
C22:2 |
C22H40O2 | 336.552 | Fish oils. |
|||||||||||||||||||||
171 | 13, 16-Docosadienoic acid |
DFA0171 | Tetsuyuki Kobayashi |
C22:2 |
C22H40O2 | 336.552 | ||||||||||||||||||||||
172 | 17, 20-Hexacosadienoic acid |
DFA0172 | Tetsuyuki Kobayashi |
C26:2 |
C26H48O2 | 392.658 | soluble inether and petroleum ether.(Ref. 0059) |
Fish oils; Spheciospongia vesparia (sponge). |
||||||||||||||||||||
173 | 4, 7, 10-Hexadecatrienoic acid |
DFA0173 | Tetsuyuki Kobayashi |
C16:3 |
C16H26O2 | 250.376 | soluble in alcohol and ether.(Ref. 0295) |
Sardine oil. |
||||||||||||||||||||
174 | trans-5, trans-8, trans-11-Hexadecatrienoic acid |
DFA0174 | Tetsuyuki Kobayashi |
C16:3 |
C16H26O2 | 250.376 | soluble in methyl alcohol and petroleum ether.(Ref. 0347) |
|||||||||||||||||||||
175 | 6, 9, 12-Hexadecatrienoic acid |
DFA0175 | Tetsuyuki Kobayashi |
C16:3 |
C16H26O2 | 250.376 | HR-EI-MS (METHYL ESTER) : M/Z; 264.20910(M) 001) EI-MS (PYRROLIDIDE) : M/Z; 154, 166, 194, 206, 234, 246(Ref. 6001). |
Herring, menhaden and rapeseed oils. Muscle lipids and internal lipids in a sardine. ( The concentration of internal lipids in total fatty acid is higher than that of muscle lipids. ) (Ref. 6001) |
||||||||||||||||||||
176 | Hiragonic acid |
6,10,14-Hexadecatrienoic acid |
DFA0176 | Tetsuyuki Kobayashi |
C16:3 |
C16H26O2 | 250.376 | 180-190C at 15mmHg |
d 0.9296 |
1.4850 at 50C |
Oil of Sardinops melanosticta. |
|||||||||||||||||
177 | 7, 10, 13-Hexadecatrienoic acid |
DFA0177 | Tetsuyuki Kobayashi |
C16:3 |
C16H26O2 | 250.376 | Menhaden oil. |
|||||||||||||||||||||
178 | 9, 12, 15-Hexadecatrienoic acid |
DFA0178 | Tetsuyuki Kobayashi |
C16:3 |
C16H26O2 | 250.376 | very soluble in acetone, ethanol, pentane, and petroleumether.(Ref. 0295) |
Jacaranda oils. |
||||||||||||||||||||
179 | Calea |
trans-3, cis-9, cis-12-Octadecatrienoic acid |
DFA0179 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | 61-61.5C |
soluble in acetone, ethanol, ether, and petroleumether.(Ref. 0040) |
Linseed, perilla, and hemp oils. |
||||||||||||||||||
180 | g-Linolenic acid |
cis-6, cis-9, cis-12-Octadecatrienoic acid |
DFA0180 | Tetsuyuki Kobayashi |
C18:3n-6 / C18:3w6 / gLnn / gLnA |
C18H30O2 | 278.430 | There are two groups of essential fatty acids, the n-6 (or w6) and the n-3 (or w3). g-linolenic acid is n-6 fatty acids. Essential fatty acid deficiency causes skin lesion and growth retardation. Dietary supplementation of either linoleate, g-linoleate or arachidonate prevents such symptoms completely. The n-6 essential fatty acids have at least four roles (Ref. 2014): 1) Modulation of membrane structure. 2) Formation of short-lived giologically active molecules. Oxygenated derivatives of g-linolenic acid is a Arachidonic acid may have a role in the regulation of cell devision in cancer and other cells. There are other bioactive substance, PGE1 and 15-OH-dihomogamma-linolenic acid which are both formed from g-linolenic acid after its rapid elongation to dihomogamma-linolenic acid. 3) Control of the water impermeability of the skin. 4) Regulation of cholesterol synthesis and transport. |
-11.3 to -11C |
125C at 0.05mmHg |
d 0.9164 |
1.4800 at 20C |
Isolated from seeds of Oenothera biennis and O. lamarckiana (evening primroses); drying oils. A minor component of many animal lipids. |
Linoleic acid (18:2n-6) is synthesized from oleic acid (18:1n-9) by desaturation of D12-desaturase, and a-linolenic acid (18:3n-3) is formed from linoleic acid by desaturation reaction of D15-desaturase. Since both D12- and 15-desaturases are present in plant cells but not in animal cells, linoleic and a-linolenic acid are not biosynthesized in animal cells in vivo. When ingested by animals, linoleic acid is desaturated, elongated to form g-linolenic acid (18:3n-6), dihomo-g-linolenic acid (20:3n-6), arachidonic acid (20:4n-6) and adrenic acid (22:4n-6). Docosapentaenoic acid (22:5n-6) is synthesized from adrenic acid in significant amounts only under conditions of prolonged n-3 fatty acid deficiency. No interconversion between the n-6 and n-3 series in mammals. Nutritionally, it is important to note that different foods contain different proportions of n-6/n-3 and therefore the n-6/n-3 ratio in tissue lipids change significantly depending on the choice of foods.(Ref. 2003) |
||||||||||||||
181 | 6, 10, 14-Octadecatrienoic acid |
DFA0181 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | d 0.9221 |
1.4794 at 20C |
Trichosanthes oils. |
|||||||||||||||||||
182 | cis-8, trans-10, cis-12-Octadecatrienoic acid |
DFA0182 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | 43.5-44C |
very soluble in petroleumether and soluble in acetone, ethanol, CS2 and pentane.(Ref. 0125) |
Catalpa ovata seed oil; Jacaranda oils. |
|||||||||||||||||||
183 | a-Calendic acid |
trans-8, trans-10, cis-12-Octadecatrienoic acid |
DFA0183 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | 40-40.5C |
soluble in acetone, ethanol, cyclohexane, ether, pentane and petroleum ether.(Ref. 0123) |
Neou, po-yak, and tung oils. |
||||||||||||||||||
184 | b-Calendic acid |
trans-8, trans-10, trans-12-Octadecatrienoic acid |
DFA0184 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | 77-78C |
Cattle-liver phosphatides. |
|||||||||||||||||||
185 | Punicic acid / trichosanic acid |
cis-9, trans-11, cis-13-Octadecatrienoic acid |
DFA0185 | Tetsuyuki Kobayashi |
C18H30O2 | 278.430 | 43.5-44C |
d504 0.9025 |
1.5113 at 50C |
Seed oils of Punica granatum (pomegranate) and Catalpa speciosa; Chilopsis sp.; C. linearis. |
||||||||||||||||||
186 | a-Eleostearic acid |
cis-9, trans-11, trans-13-Octadecatrienoic acid |
DFA0186 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | 49-49.2C |
235C at 15 mmHg |
d504 0.9028 |
1.5112 at 50C |
soluble in ethanol, cyclohexane and petroleum ether.(Ref. 0128) |
Aleurites spp. (tung) , neou, and po-yak oils; oils of tropical and subtropical species. |
|||||||||||||||
187 | trans-9, trans-11, trans-13-Octadecatrienoic acid |
DFA0187 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | 61.5-62.5C |
soluble in acetone, ethanol, CS2, heptane, methylalcohol and pentane.(Ref. 0131) |
Cattle-liver phosphatides. |
|||||||||||||||||||
188 | b-Eleostearic acid |
trans-9, trans-11, trans-13-Octadecatrienoic acid |
DFA0188 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | 71-71.5C |
188C at 1 mmHg |
d 0.8909 |
1.5011 at 75C |
Synthetic, by isomerization of the a-acid in the presence of intense light and various catalysts, especially I2. |
||||||||||||||||
189 | Isomerized punicic acid |
trans-9, trans-11, trans-13-Octadecatrienoic acid |
DFA0189 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | 70-71C |
Synthetic, by isomerization of the a-acid. |
|||||||||||||||||||
190 | 9, 12, 14-Octadecatrienoic acid |
DFA0190 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | Synthetic, by isomerization of a-linolenic acid. |
|||||||||||||||||||||
191 | a-Linolenic acid |
cis-9, cis-12, cis-15-Octadecatrienoic acid |
DFA0191 | Tetsuyuki Kobayashi |
aLnA / C18:3n-3 / C18:3w3 / aLnn |
C18H30O2 | 278.430 | Dietary a-linolenic acid can be further elongated and desaturated to form the long-chain n-3 fatty acids, such as eicosapentaenoic acid (EPA) and docosapentaenoic acid (DHA), which are uniquely rich in neural membranes of retina and brain in mammals. It has been reported that n-3 fatty acid deficiency produces reduced learning ability(Ref. 2005), impaired vision, abnormal electroretinogram(Ref. 2006/2007) and polydipsia(Ref. 2008). Dietary fat manipulation of perilla oil rich in a-linolenic acid reduces colonic damage in experimental Crohn's disease (Ref. 2015/2016). |
-11.3 to -11C |
125C at 0.05 mmHg |
d 0.9164 |
1.4678 at 50C |
soluble in acetone, ethanol, ether and petroleum ether.(Ref. 0400) |
Linseed, perilla, and hemp oils; drying oils. |
Linoleic acid (18:2n-6) is synthesized from oleic acid (18:1n-9) by desaturation of D12-desaturase, and a-linolenic acid (18:3n-3) is formed from linoleic acid by desaturation reaction of D15-desaturase. Since both D12- and 15-desaturases are present in plant cells, a-linolenic acid is synthesized in plants, and relatively enriched in leaves (photosynthetic tissues). On the other hand, these desaturases are not present in animal cells, neither linoleic nor a-linolenic acid is biosynthesized in animal cells in vivo. When ingested by animals, a-linolenic acid is desaturated, elongated and chain-shortened to form eicosapantaenoic acid (20:5n-3, EPA) and docosahexaenoic acid (22:6n-3, DHA)(Ref. 2001/2002). No interconversion between the n-6 and n-3 series in mammals. Nutritionally, it is important to note that different foods contain different proportions of n-6/n-3 and therefore the n-6/n-3 ratio in tissue lipids change significantly depending on the choice of foods. Although plants synthesize and store linoleic acid and a-linolenic acid as well as saturated and monounsaturated fatty acids in grains, the proportions of these fatty acids in different vegetable oils differ greatly. Safflower and sunflower oil contain high levels of linoleate, while perilla and linseed oil are rich in a-linolenic acid. |
|||||||||||||
192 | Elaidolinoleic acid |
trans-9, trans-12, trans-15-Octadecatrienoic acid |
DFA0192 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | 29.5-30C |
solubule in methylalcohol and petroleum ether.(Ref. 0279) |
Synthetic, by treatment of the ester form of a-linolenic acid with 1% Se at 205-215C to yield this acid ester (melting point, 29-30C). |
||||||||||||||||||
193 | 10, 12, 14-Octadecatrienoic acid |
DFA0193 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | 79C |
|||||||||||||||||||||
194 | Pseudoeleostearic acid |
trans-10, trans-12, trans-14-Octadecatrienoic acid |
DFA0194 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | 77-77.5C |
Synthetic, by alkali isomerization of a-linolenic acid. |
|||||||||||||||||||
195 | 10, 12 ,15-Octadecatrienoic acid |
DFA0195 | Tetsuyuki Kobayashi |
C18:3 |
C18H30O2 | 278.430 | Synthetic, by alkali isomerization of a-linolenic acid. |
|||||||||||||||||||||
196 | 5, 8, 11-Eicosatrienoic acid / 5, 8, 11-icosatrienoic acid |
DFA0196 | Tetsuyuki Kobayashi |
C20:3 |
C20H34O2 | 306.483 | solubule in CS2, heptane and methylalcohol.(Ref. 0292) |
Fish oils; phosphatides of liver and suprarenals of land animals and of brain. |
||||||||||||||||||||
197 | bishomo-g-linolenic acid / dihomo-g-linolenic acid |
8, 11, 14-Eicosatrienoic acid/8, 11, 14-icosatrienoic acid |
DFA0197 | Tetsuyuki Kobayashi |
C20:3n-6 / C20:3w6 / DHLA |
C20H34O2 | 306.483 | Fish oils; phosphatides of liver and suprarenals of land animals and of brain; liver oil of Carcharodon carcharias (a shark). |
||||||||||||||||||||
198 | 11, 14, 17-Eicosatrienoic acid / 11, 14, 17-icosatrienoic acid |
DFA0198 | Tetsuyuki Kobayashi |
C20:3 |
C20H34O2 | 306.483 | Shark-liver and herring oil. |
|||||||||||||||||||||
199 | Podocarpric acid |
x, y, z-Eicosatrienoic acid/x, y, z-icosatrienoic acid |
DFA0199 | Tetsuyuki Kobayashi |
C20:3 |
C20H34O2 | 306.483 | Podocarpus oil. |
||||||||||||||||||||
200 | 7, 10, 13-Docosatrienoic acid |
DFA0200 | Tetsuyuki Kobayashi |
C22:3 |
C22H38O2 | 334.536 | Reported in brain and cattle-liver phosphatides. |
|||||||||||||||||||||
201 | 8, 11, 14-Docosatriennoic acid |
DFA0201 | Tetsuyuki Kobayashi |
C22:3 |
C22H28O2 | 324.457 | Reported in liver oil of Carcharodon carcharias (a shark); cattle-suprarenal phosphatides. |
|||||||||||||||||||||
202 | 4, 7, 10, 13-Hexadesatetraenoic acid |
DFA0202 | Tetsuyuki Kobayashi |
C16:4 |
C16H24O2 | 248.361 | soluble in acetone, alcohol, ether and petroleum ether.(Ref. 0448) |
South Africa pilchad oil; Japanease sardine oil. |
||||||||||||||||||||
203 | 4, 7, 11, 14-Hexadesatetraenoic acid |
DFA0203 | Tetsuyuki Kobayashi |
C16:4 |
C16H24O2 | 248.361 | Japanease sardine oil. |
|||||||||||||||||||||
204 | 4, 8, 12, 16-Hexadesatetraenoic acid |
DFA0204 | Tetsuyuki Kobayashi |
C16:4 |
C16H24O2 | 248.361 | Japanease sardine oil. |
|||||||||||||||||||||
205 | 6, 9, 12, 15-Hexadesatetraenoic acid |
DFA0205 | Tetsuyuki Kobayashi |
C16:4 |
C16H24O2 | 248.361 | 1.4870 at 29C |
""CMR(METHYL ESTER): C12, 127.093; C13, 128.939; C14, 31.529; C15, 136.736 C16: 114.741ppm PMR(METHYL ESTER): CH2=CH-C(TERMINAL OLEFINIC PROTON), 4.92-4.96, 5.62-5.88ppm(MULTIPLETS).""(Ref. 6001) |
""HR-EI-MS(METHYL ESTER): M/Z; 262.19326(M) EI-MS(PYRROLIDIDE): M/Z; 154,166,194,206,260(M-41), 272(M=29), 286(M-15)EI-MS(PICOLINYL ESTER): M/Z; 339(M), 338(M-1), 324(M-15), 298(M-41), 272, 258, 232, 218, 192 ""(Ref. 6002) |
Sardine sagax (South African pilchard); herring oil (0.7%); menhaden body oil (1.9%). Lipids from Mytilus galloprovincialis or Nitzschia pungens. It is enriched from Japanese sardine oil during purification of EPA and DHA. |
||||||||||||||||||
206 | trans-3, cis-9, cis-12, cis-15-Octadecatetraenoic acid |
DFA0206 | Tetsuyuki Kobayashi |
C18:4 |
C18H28O2 | 276.414 | Seed oil of Stenolobium stans. |
|||||||||||||||||||||
207 | Moroctic acid / Moritic acid |
4, 8, 12, 15-Octadecatetraenoic acid |
DFA0207 | Tetsuyuki Kobayashi |
C18:4 |
C18H28O2 | 276.414 | 208-215C at 15 mmHg |
0.9297 at 20C |
1.4911at 20C |
Sardine oil; head oil of the white whale. |
|||||||||||||||||
208 | 6, 9, 12, 15-Octadecatetraenoic acid |
DFA0208 | Tetsuyuki Kobayashi |
C18:4 |
C18H28O2 | 276.414 | -57.4 to -56.6C |
14888 at 16C |
Seed oil of Onosmodium occidentale; South African pilchard; Newfoundland squid; sevral other genera and species. |
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209 | a-Parinaric acid |
9, 11, 13, 15-Octadecatetraenoic acid |
DFA0209 | Tetsuyuki Kobayashi |
C18:4n-3 |
C18H28O2 | 276.414 | 85 to 86 C |
soluble in acetone, alcohol and petroleum ether.(Ref. 0169) |
Seed oil of Impatient and Parinarium; Iris sp.; Nymphaea aiba. |
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210 | b-Parinaric acid |
trans-9, trans-11, trans-13, trans-15-Octadecatetraenoic acid |
DFA0210 | Tetsuyuki Kobayashi |
C18:4 |
C18H28O2 | 276.414 | 95 to 96 C |
soluble in ether and petroleum ether.(Ref. 0509) |
Synthetic by isomerization of a-acid. |
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211 | 9, 12, 15, 18-Octadecatetraenoic acid |
DFA0211 | Tetsuyuki Kobayashi |
C18:4 |
C18H28O2 | 276.414 | soluble in carbon disulfide and methyl alcohol.(Ref. 0347) |
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212 | 4, 8, 12, 16-Eicosatetraenoic acid / 4, 8, 12, 16-icosatetraenoic acid |
DFA0212 | Tetsuyuki Kobayashi |
C20:4 |
C20H32O2 | 304.467 | 217 to 220 C at 20 mmHg |
0.9263 at 20 C |
1.4915 at 20 C |
Brain phosphatides; sardine oil; whale oils; swine liver. |
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213 | Arachidonic acid |
5, 8, 11, 14-Eicosatetraenoic acid / 5, 8, 11, 14-icosatetraenoic acid |
DFA0213 | Tetsuyuki Kobayashi |
AA / Ara / C20:4n-6 / C20:4w6 |
C20H32O2 | 304.467 | There are two groups of essential fatty acids, the n-6 (or w6) and the n-3 (or w3). Arachidonic acid is n-6 fatty acids. Essential fatty acid deficiency causes skin lesion and growth retardation. Dietary supplementation of either linoleate, g-linoleate or arachidonate prevents such symptoms completely. The n-6 essential fatty acids have at least four roles (Ref. 2014): 1) Modulation of membrane structure. 2) Formation of bioactive molecules called eicosanoids. Arachidonic acid, which is nomally found esterifing sn-2 position of phospholipids, is released by the action of phospholipase A2. Free arachidonate is used for precursors of eicosanoids, such as PG2 series of prostaglandins, leukotrienes and thromboxanes. 3) Control of the water impermeability of the skin. 4) Regulation of cholesterol synthesis and transport. |
-49.5 C |
163 C at 1 mmHg |
0.9082 at 20 C |
1.4824 at 20 C |
Constituent of many animal phospholipids, also of some ferns and mosses. Confinded to fats of land animals; brain, liver, glandular and egg lipids. |
Metabolic product of linoleic acid (9,12-18:2). The synthesis of 5,8,11,14-20:4 occurs via the following reaction sequence in the endoplasmic reticulum (Ref. 2013): 9,12-18:2 --> 6,9,12-18:3 --> 8,11,14-20:3 --> 5,8,11,14-20:4. |
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214 | 6, 10, 14, 18-Eicosatetraenoic acid / 6, 10, 14, 18-icosatetraenoic acid |
DFA0214 | Tetsuyuki Kobayashi |
C20:4 |
C20H32O2 | 304.467 | 0.9263 at 20 C |
1.4935 at 20 C |
soluble in acetone, methyl alcohol, ether and petroleum ether.(Ref. 0267) |
Fish and whale oils. |
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215 | 8, 11, 14, 17-Eicosatetraenoic acid / 8, 11, 14, 17-icosatetraenoic acid |
DFA0215 | Tetsuyuki Kobayashi |
C20:4 |
C20H32O2 | 304.467 | Sardine oil. |
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216 | 4, 7, 10, 13-Docosatetraenoic acid |
DFA0216 | Tetsuyuki Kobayashi |
C22:4 |
C22H36O2 | 332.520 | Brain phosphatides. |
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217 | 7, 10, 13, 16-Docosatetraenoic acid |
DFA0217 | Tetsuyuki Kobayashi |
C22:4 |
C22H36O2 | 332.520 | Brain and cattle-liver phosphatides. |
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218 | Stearidonic acid |
8, 12, 16, 19 (20)-Docosatetraenoic acid |
DFA0218 | Tetsuyuki Kobayashi |
C22:4 |
C22H36O2 | 332.520 | Liver oil of Carcharodon carcharias (a shark). |
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219 | Timnodonic acid |
4, 8, 12, 15, 18-Eicosapentaenoic acid / 4, 8, 12, 15, 18-icosapentaenoic acid |
DFA0219 | Tetsuyuki Kobayashi |
C20:5 |
C20H30O2 | 302.451 | 0.9399 at 15 C |
1.5109 at 15 C |
soluble in benzene, chloroform, ether and petroleum ether.(Ref. 0489) |
Sardine and bonito oils. |
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220 | Eicosapentanoic acid |
5, 8, 11, 14, 17-Eicosapentaenoic acid / 5, 8, 11, 14, 17-icosapentaenoic acid |
DFA0220 | Tetsuyuki Kobayashi |
EPA / C20:5n-3 / C20:5w3 |
C20H30O2 | 302.451 | Considered to be the major reason for the beneficial effects of fish oils on the cardiovascular system. EPA is a precursor to series 3 eicosanoids that promote dilation of blood vessels and a slower blood clotting reaction and, as such, has been found to be critical to the maintenance of normal cardiovascular health. (Ref. 2019/2020) |
-54.4 to -53.8 C |
1.4977 at 23 C |
""METHYL ESTER: |
""METHYL ESTER:316,300,287,262,247,234,215,201,180,161,152 "" (Ref. 6056) |
Present in fish oils as an acylglycerol and animal phospholipids. Cattle-liver lipids; various fish and seal oils. |
Metabolic product of a-linolenic acid (9,12,15-18:3). The synthesis of 5,8,11,14,17-20:5 (=EPA) occurs via the following reaction sequence in the endoplasmic reticulum (Ref. 2013): 9,12,15-18:3 --> 6,9,12,15-18:4 --> 8,11,14,17-20:4 --> 5,8,11,14,17-20:5 --> 7,10,13,16,19-22:5. EPA is further metabolized to DHA. Precursor of PG3 series of prostaglandins. |
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221 | 4, 7, 10, 13, 16-Docosapentaenoic acid |
DFA0221 | Tetsuyuki Kobayashi |
C22:5n-6 / C22:5w6 |
C22H34O2 | 330.504 | soluble in chloroform, heptane and methyi alcohol.(Ref. 0269) |
Brain phosphatides. |
The synthesis of 4,7,10,13,16-22:5 occurs via the following reaction sequence (Ref. 2013): 9,12-18:2 --> 6,9,12-18:3 --> 8,11,14-20:3 --> 5,8,11,14-20:4 --> 7,10,13,16-22:4 --> 9,12,15,18-24:4 --> 6,9,12,15,18-24:5 --> 4,7,10,13,16-22:5. According to these pathways the 24-carbon acids that are made in the endoplasmic reticulum move to a site for partial beta-oxidation, which is most likely peroxisomes. |
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222 | Clupanodonic acid |
4, 8, 12, 15, 19-Docosapentaenoic acid |
DFA0222 | Tetsuyuki Kobayashi |
C22:5 |
C22H34O2 | 330.504 | -78 C |
207 to 212 at 2 mmHg |
0.9356 at 20 C |
1.5014 at 20 C |
Marine oils; body oils of teleost fish. |
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223 | 7, 10, 13, 16, 19-Docosapentaenoic acid |
DFA0223 | Tetsuyuki Kobayashi |
C22:5n-3 / C22:5w3 |
C22H34O2 | 330.504 | Liver lipids of cattle; herring oil. |
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224 | Docosahexaenoic acid / cervonic acid |
cis-4, cis-7, cis-10, cis-13, cis-16, cis-19-Docosahexaenoic acid |
DFA0224 | Tetsuyuki Kobayashi |
DHA / C22:6n-3 / C22:6w3 |
C22H32O2 | 328.488 | DHA is one of the n-3 (w3) fatty acids. It is uniquely rich in neural membranes of retina and brain in mammals. n-3 fatty acid deficiency causes the reduction of DHA level in these tissues and produces reduced learning ability (Ref. 2005), impaired vision, abnormal electroretinogram (Ref. 2006/2007) and polydipsia (Ref. 2008). It is believed to be important for the full development of the nervous system in the fetus and newborn.(Ref. 2003) |
-44.2 to -44.1 C |
1.5017 at 26 C |
South African pilchard oil; brain phosphatides; liver lipids of cattle. It is found mainly in fish and marine microorganisms and plants. DHA is also an essential component of the brain, eyes, and other nervous system tissues. Tuna eyeballs are one of the major source (Ref. 2012). |
Metabolic product of a-linolenic acid (9,12,25-18:3). The synthesis of 4,7,10,13,16,19-22:6 (=DHA) occurs via the following reaction sequence (Ref. 2013): 9,12,15-18:3 --> 6,9,12,15-18:4 --> 8,11,14,17-20:4 --> 5,8,11,14,17-20:5 --> 7,10,13,16,19-22:5 --> 9,12,15,18,21-24:5 --> 6,9,12,15,18,21-24:6 --> 4,7,10,13,16,19-22:6. According to these pathways the 24-carbon acids that are made in the endoplasmic reticulum move to a site for partial beta-oxidation, which is most likely peroxisomes. |
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225 | 4, 8, 12, 15, 19, 21-Tetracosahexaenoic acid |
DFA0225 | Tetsuyuki Kobayashi |
C24:6 |
C24H36O2 | 356.541 | 0.9452 at 20 C |
1.5122 at 20 C |
soluble in benzene, chloroform, methyl alcohol, ether and petroleum ether.(Ref. 0004) |
Japanese sardine, fish-liver and whale oils. |
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226 | Isovaleric acid |
3-Methylbutanoic acid |
DFA0226 | Tetsuyuki Kobayashi |
C5H10O2 | 102.132 | -37.6C |
176.7C at 760mmHg |
d0.937 |
1.40178 at 22.4C |
""Methyl : 2968cm-1 Methyl , Methylene : 2935 , 2877 , 2855cm-1"" |
""M/E : 39 , 41 , 42 , 43 , 45 , 60 , 69"" |
Tabacco; valerian root; hemp,pineapple, & lavender oils; volatile acids of sheep tallow; rumen of sheep; head & body oils of porpoise; hair grease of dog. |
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227 | 6-Methylcaprylic acid |
d-6-Methyloctanoic acid |
DFA0227 | Tetsuyuki Kobayashi |
C9H18O2 | 158.238 | Degradation product of polymycins; wool grease. |
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228 | 7-Methylcaprylic acid |
7-Methyloctanoic acid |
DFA0228 | Tetsuyuki Kobayashi |
C9H18O2 | 158.238 | -18.5C |
Minor constituent of wool grease (degras). |
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229 | Isolauric acid |
10-Methylhendecanoic acid |
DFA0229 | Tetsuyuki Kobayashi |
C12H24O2 | 200.318 | 41.2C |
140-145C at 3 mmHg |
Wool grease ; butter ; sheep tallow ; cattle fat ; whale oil. |
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230 | d-10-Methyldodecanoic acid |
DFA0230 | Tetsuyuki Kobayashi |
C13H26O2 | 214.344 | 6.2-6.5C |
178-180C at 10 mmHg |
1.4424 at 25C |
Wool grease; sheep tallow; butter; traces in cattle milk fat; cattle fat; whale oil. |
Synthetic. |
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231 | Isoundecylic acid / 11-methyllauric acid |
11-Methyldodecanoic acid |
DFA0231 | Tetsuyuki Kobayashi |
C13H26O2 | 214.344 | 39.4-40C |
1.4293at 60C |
Traces in butter fat; wool grease; sheep tallow; cattle fat; whale oil. |
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232 | Isomyristic acid / 12-methyltridecylic acid |
(+)-12-Methyltridecanoic acid |
DFA0232 | Tetsuyuki Kobayashi |
C14H28O2 | 228.371 | 53.6C |
Wool grease; butterfat. |
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233 | 12-methylmyristic acid |
(+)-12-Methyltetradecanoic acid |
DFA0233 | Tetsuyuki Kobayashi |
C15H30O2 | 242.398 | 25.8C |
0.4327 at 59C |
soluble in chloroform , ether , methyl alcohol and petroleum ether.(Ref. 0357) |
Wool grease; sheep tallow ; butterfat. |
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234 | Isopentadecylic acid / 13-methylmyristic acid |
13-Methyltetradecanoic acid |
DFA0234 | Tetsuyuki Kobayashi |
C15H30O2 | 242.398 | 52.2C |
1.4312 at 59C |
External tissue of sheep; butterfat. |
Synthetic , by heating a product , which is gained by warming 11-methyldodecylmalonic acid diethyl with solution of ethanolic KOH, at 170C in vacuo. |
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235 | Isopalmitic acid / 14-methylpentadecylic acid |
14-Methypentadecanoic acid |
DFA0235 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | 62.4C |
d1.012 |
1.4293 at 70C |
Isopropyl : Doublet in 1360-1380cm-1 |
Butterfat; wool grease; traces in ewternal tissue of sheep. |
Synthetic. |
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236 | 14-methylpalmitic acid |
(+)-14-Methylhexadecanoic acid |
DFA0236 | Tetsuyuki Kobayashi |
C17H34O2 | 270.451 | 38.0C |
7.25m(1380cm-1) ; CH3 |
Wool grease; external tissue fat of sheep. |
Synthetic, by treatment hydrazine hydrate, KOH and diethylene glycol to 14-methyl-13-oxohexadecanoic acid. |
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237 | 15-methylpalmitic acid |
15-Methylhexadecanoic acid |
DFA0237 | Tetsuyuki Kobayashi |
C17H34O2 | 270.451 | 60.5C |
1.4315 at 70C |
Wool grease; cattle tallow. |
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238 | 10-Methylheptadecanoic acid |
DFA0238 | Tetsuyuki Kobayashi |
C18H36O2 | 284.477 | 33.5C |
Butter fat. |
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239 | Isostearic acid / 16-Methylmargaric acid |
(+)-16-Methylheptadecanoic acid |
DFA0239 | Tetsuyuki Kobayashi |
C18H36O2 | 284.477 | 69.5C |
Isopropyl : Doublet in 1360-1380cm-1 |
Wool grease. |
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240 | Tuberculostearic acid / 10-methylstearic acid |
l-(+)-10-Methyloctadecanoic acid |
DFA0240 | Tetsuyuki Kobayashi |
C19H38O2 | 298.504 | 13.2C |
175-178C at 760mmHg |
d0.887 |
1.4512 at 25C |
Lipids of human tubercle bacilli. |
Synthetic. |
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241 | 16-methylstearic acid |
(+)-16-Methyloctadecanoic acid |
DFA0241 | Tetsuyuki Kobayashi |
C19H38O2 | 298.504 | 49.9-50.7C |
1.4342 at 70C |
soluble in acetone , methyl alcohol and petroleum ether.(Ref. 0110) |
Wool grease. |
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242 | Isoarachidic acid |
18-Methylnonadecanoic acid |
DFA0242 | Tetsuyuki Kobayashi |
C20H40O2 | 312.530 | 75.3C |
soluble in ethanol , ether and petroleum ether.(Ref. 0357) |
Wool grease. |
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243 | (+)-18-Methyleicosanoic acid / (+)-18-Methylicosanoic acid |
DFA0243 | Tetsuyuki Kobayashi |
C21H42O2 | 326.557 | 55.6C |
soluble in acetone , chloroform and petroleum ether.(Ref. 0357) |
Wool grease. |
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244 | Isobehenic acid |
20-Methylheneicosanoic acid / 20-Methylhenicosanoic acid |
DFA0244 | Tetsuyuki Kobayashi |
C22H44O2 | 340.584 | 79.5C |
soluble in chloroform , ether , methyl alcohol and petroleum ether.(Ref. 0357) |
Wool grease. |
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245 | (+)-20-Methyldocosanoic acid |
DFA0245 | Tetsuyuki Kobayashi |
C23H46O2 | 354.610 | 62.1C |
soluble in acetone , chloroform , ether , and petroleum ether.(Ref. 0357) |
Wool grease. |
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246 | 22-Methyltricosanoic acid |
DFA0246 | Tetsuyuki Kobayashi |
C24H48O2 | 368.637 | 83.1C |
soluble in acetone , chloroform and petroleum ether.(Ref. 0027) |
Wool grease. |
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247 | 3, 13, 19-Trimethyltricosanoic acid |
DFA0247 | Tetsuyuki Kobayashi |
C26H52O2 | 396.690 | -8C |
208C at 760mmHg |
Fatty acids in the tubercle bacilli. |
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248 | Isopentacosanoic acid |
(+)-23-Methyltetracosanoic acid |
DFA0248 | Tetsuyuki Kobayashi |
C25H50O2 | 382.663 | 82.4-82.6C |
soluble in ethanol , benzene , chloroform and petroleum ether.(Ref. 0027) |
Wool grease. |
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249 | Isocerotic acid |
24-Methylpentacosanoic acid |
DFA0249 | Tetsuyuki Kobayashi |
C26H52O2 | 396.690 | 86.9C |
soluble in acetone , chloroform and glacial acetic acid.(Ref. 0027) |
Wool grease. |
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250 | (+)-24-Methylhexacosanoic acid |
DFA0250 | Tetsuyuki Kobayashi |
C27H54O2 | 410.716 | 72.9C |
soluble in benzene, chloroform , glacial acetic acid and petroleum ether.(Ref. 0357) |
Wool grease. |
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251 | Isomontanic acid |
26-methylheptacosanoic acid |
DFA0251 | Tetsuyuki Kobayashi |
C28H56O2 | 424.743 | 89.3 C |
soluble in benzene, chloroform, glacial acetic acid and petroleum ether.(Ref. 0357) |
Wool grease. |
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252 | Mycoceranic acid / Mycocerosic acid |
2,4,6-(D)-Trimethyloctacosanoic acid |
DFA0252 | Tetsuyuki Kobayashi |
C31H62O2 | 466.823 | 27-28 C |
soluble in chloroform and petroleum ether.(Ref. 0113) |
Lipids of tubercle bacilli. |
Synthetic. |
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253 | (+)-28-Methyltriacontanoic acid |
DFA0253 | Tetsuyuki Kobayashi |
C31H62O2 | 466.823 | 80.7 C |
soluble in benzene, chloroform, glacial acetic acid and petroleum ether.(Ref. 0357) |
Wool grease. |
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254 | Angelic acid / a-Methylisocrotonic acid |
2-Methyl-cis-2-butenoic acid |
DFA0254 | Tetsuyuki Kobayashi |
C5H8O2 | 100.116 | 45 C |
185 C at 760 mm Hg / 88-90 C at 12 mmHg |
d4740.983 |
1.4434 at 47 C |
lMAX : 216nm, eMAX : 9500 |
C=C : 1645cm-1 |
As the ester in Angelica archangelica root and Roman camomile oils. |
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255 | Tiglic acid / a,b-Dimethylacrylic acid |
2-Methyl-trans-2-butenoic acid |
DFA0255 | Tetsuyuki Kobayashi |
C5H8O2 | 100.116 | 65.5-66.5 C |
198.5 C at 760 mm Hg / 95-96 C at 12 mmHg |
d0.9641 |
1.4342 at 81 C / 1.4330 at 76 C |
lMAX : 216-217nm(e 10700)MAX : 9500 |
C=C : 1645cm-1 / C=O : 1689cm-1, 1387,1282,1161,1082,1017, 939, 786, 737cm-1 |
As the glyceride in oil of Croton tiglium; as the ester in Roman camomile oil; bacteria-free Ascaris. |
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256 | Pyroterebic acid |
4-Methyl-3-pentenoic acid |
DFA0256 | Tetsuyuki Kobayashi |
C6H10O2 | 114.142 | Oil |
207 C / 99 C at 10 mm Hg / 103-106 C at 13 mmHg |
Esterified with a diterpene alcohol in the sap of Calotropis procera. |
Acetone reacts with Methyl b-bromopropionate in the presence of magnesium, followed by saponification to give 4-Methyl-3-pentanoic acid. |
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257 | C27-Phthienoic acid / Mycolipenic acid |
(+)-2, 4(l), 6(l)-Trimethyl-trans-2-tetracosenoic acid |
DFA0257 | Tetsuyuki Kobayashi |
C27H52O2 | 408.701 | 39.5-41 C |
1.4598 at 25 C |
soluble in acetone, chloroform, methyl alcohol and petroleum ether ; rosettes from acetone at - 8 C.(Ref. 0358) |
Mixture of acids of the tubercle bacilli known as ""phthioic acid"". |
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258 | Aleprolic acid / Lowest homolog of the chaulmoogra series. |
Cyclopent-2-enyl -1-oic acid / 2-Cyclopentenyl-1-oic acid |
DFA0258 | Tetsuyuki Kobayashi |
C6H8O2 | 112.127 | Liquid |
97-98 C at 17 mmHg ( Volatile in steam ; sublimes ) |
soluble in acetone, ethanol, ether, hot water and petroleum ether.(Ref. 0142) |
In small proportion in Hydnocarpus wightiana. |
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259 | Aleprestic acid |
2-Cyclopentene-1-pentanoic acid / 5-(2-cyclopenten-1-yl)pentanoic acid / 5-(Cyclopent-2-enyl)pentanoic acid |
DFA0259 | Tetsuyuki Kobayashi |
C10H16O2 | 168.233 | Liquid |
In small proportion in seed oils of Hydnocarpus wightiana and Hydnocarpus anthelmintica. |
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260 | Aleprylic acid |
2-Cyclopentene-1-heptanoic acid / 7-(2-cyclopenten-1-yl)heptanoic acid / 7-(Cyclopent-2-enyl)heptanoic acid |
DFA0260 | Tetsuyuki Kobayashi |
C12H20O2 | 196.286 | 12.0 C |
Oil of Hydnocarpus anthelmintica and Hydnocarpus wightiana. |
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261 | Sterculic acid |
w-(2-n-Octylcycloprop-1-enyl)octanoic acid |
DFA0261 | Tetsuyuki Kobayashi |
C19H34O2 | 294.472 | 18 C |
Sterculia foetida ; usually in small proportion in a variety of oils together with malvalic acid. |
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262 | Alepric acid |
2-Cyclopentene-1-nonanoic acid / 9-(2-cyclopenten-1-yl)nonanoic acid / 9-(Cyclopent-2-enyl)nonanoic acid |
DFA0262 | Tetsuyuki Kobayashi |
C14H24O2 | 224.339 | 48.0 C |
165-168 C at 1mmHg |
soluble in ethanol, ether, methyl alcohol and petroleum ether.(Ref. 0141) |
Oil of Hydnocarpus anthelmintica and Hydnocarpus wightiana. |
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263 | Lactobacillic acid / Phytomonic acid |
w-(2-n-Hexylcycloprop-1-enyl)decanoic acidDisagreement concerning structure in England and the United States ; also suggested to be 2-hexylcyclopropanedecanoic acid and w-(2-n-octylcyclopropyl)octanoic acid. |
DFA0263 | Tetsuyuki Kobayashi |
C19H36O2 | 296.488 | 27.8-28.8 C |
31% in Lactobacillus arabinosus; 16-19% in Lactobacillus casei; 13% in Agrobacterium tumefaciens (Synonym: Phytomonas tumefaciens.). |
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264 | Hydnocarpic acid |
2-Cyclopentene-1-undecanoic acid / 11-(2-cyclopenten-1-yl)undecanoic acid / 11-(Cyclopent-2-enyl)hendecanoic acid |
DFA0264 | Tetsuyuki Kobayashi |
C16H28O2 | 252.392 | 60.5 C |
247.5 C at 20 mmHg |
Saponifiable matter of chaulmoogra and other oils; Carpotroche brasiliensis; Hydnocarpus anthelmintica; Hydnocarpus wightiana; Taraktogenos kurzii (Synonym: Hydnocarpus kurzii.). |
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265 | Chaulmoogric acid |
2-Cyclopentene-1-tridecanoic acid / 13-(2-cyclopenten-1-yl)tridecanoic acid / 13-(Cyclopent-2-enyl)-n-tridecanoic acid |
DFA0265 | Tetsuyuki Kobayashi |
C18H32O2 | 280.445 | 68.5 C |
247.5 C at 20 mmHg |
Seed of Taraktogenos kurzii (Synonym: Hydnocarpus kurzii.); oil of Gynocardia odorata (chaulmoogra); 2 Oncoba spp.. |
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266 | Gorlic acid |
2-Cyclopentene-1-tridecenoic acid / 13-(2-cyclopenten-1-yl)tridecenoic acid / 13-(Cyclopent-2-enyl)-6-tridecenoic acid |
DFA0266 | Tetsuyuki Kobayashi |
C18H30O2 | 278.430 | 6.0 C [Liquid] |
232.5 C |
d0.9436 |
1.4782 at 25 C |
Glycerides of Oncoba echinata; several Hydnocarpus oils. |
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267 | Glycolic acid |
Hydroxyacetic acid |
DFA0267 | Tetsuyuki Kobayashi |
C2H4O3 | 76.051 | 80 C |
Decomposes at 100 C |
d1.49 |
very soluble in ether and water ; soluble in ethanol.(Ref. 0282) |
Cane-sugar juice; unripe grapes. |
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268 | Lactic acid |
2-Hydroxypropionic acid |
DFA0268 | Tetsuyuki Kobayashi |
C3H6O3 | 90.078 | 52.8 C [ L(+)- and D(-)- ] ; 18 C [ DL- ] |
122 C at 15 mmHg |
d1.2060 |
1.43915 at 20 C (Value for the DL-form) |
very soluble in acetone, ethanol, ether and water.(Ref. 0264) |
Widely distributed in nature. |
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269 | b-Lactic acid / Hydracrylic acid |
3-Hydroxypropionic acid |
DFA0269 | Tetsuyuki Kobayashi |
C3H6O3 | 90.078 | Syrup |
Juice of muscular tissue; bile. |
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270 | dl-2-Hydroxybutyric acid |
DFA0270 | Tetsuyuki Kobayashi |
C4H8O3 | 104.105 | 43-44 C |
very soluble in ethanol, ether and water.(Ref. 0256) |
Fermentation of molasses, starch. |
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271 | b-Hydroxybutyric acid |
D(-)-3-Hydroxybutyric acid |
DFA0271 | Tetsuyuki Kobayashi |
C4H8O3 | 104.105 | 49-50 C |
very soluble in ethanol, ether and water ; insoluble in benzene.(Ref. 0385) |
Synthetic, by (1) reduction and hydrolysis of ethyl acetoacetate, (2) direct oxidation of butyric acid (see entry 4) by H2O2, (3) partial oxidation of aldol. |
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272 | 4-Hydroxybutyric acid |
DFA0272 | Tetsuyuki Kobayashi |
C4H8O3 | 104.105 | Liquid at -17 C |
130 C |
Urine of diabetics. |
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273 | 2-Hydroxyvaleric acid |
DL-2-Hydroxypentanoic acid |
DFA0273 | Tetsuyuki Kobayashi |
C5H10O3 | 118.131 | 34 C |
187 C |
d0.942 |
1.4086 at 20 C |
soluble in ethanol and water.(Ref. 0322) |
Synthetic, through corresponding a-harogen or cyanohydrin. |
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274 | 3-Hydroxyvaleric acid / 3-Ethylhydracrylic acid |
3-Hydroxypentanoic acid |
DFA0274 | Tetsuyuki Kobayashi |
C5H10O3 | 118.131 | Liquid at -32 C |
soluble in ethanol, benzene, chloroform and ether.(Ref. 0327) |
Synthetic, from butene-1-chlorohydrin. |
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275 | 4-Hydroxyvaleric acid |
4-Hydroxypentanoic acid |
DFA0275 | Tetsuyuki Kobayashi |
C5H10O3 | 118.131 | Unstable |
soluble in ethanol, ether and water.(Ref. 0324) |
Synthetic, by reduction of levulinic acid (see entry 396) with NaHg or catalytic hydrogenation (exists only in solution). |
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276 | 5-Hydroxyvaleric acid / d-hydroxyvaleric acid |
5-Hydroxypentanoic acid |
DFA0276 | Tetsuyuki Kobayashi |
C5H10O3 | 118.131 | Synthetic, by (1) reduction of glutaric acid anhydride with AlHg, (2) action of alcoholic sodium ethoxide on 5-iodovaleric acid, or (3) malonic acid or ethyl acetoacetate synthesis. |
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277 | 2-Hydroxycaproic acid |
DL-2-Hydroxyhexanoic acid |
DFA0277 | Tetsuyuki Kobayashi |
C6H12O3 | 132.158 | 60 C |
Synthetic, by (1) action of HNO2 on norleucine, or (2) debromination of a-bromo-n-caproic acid. |
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278 | 3-Hydroxycaproic acid |
DL-3-Hydroxyhexanoic acid |
DFA0278 | Tetsuyuki Kobayashi |
C6H12O3 | 132.158 | 13 C |
very soluble in water.(Ref. 0313) |
Synthetic, by (1) debromination of b-bromo-n-caproic acid in alkaline solution, or (2) treatment of 2-hexenoic acid (see entry 47) with NaOH solution. |
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279 | 4-Hydroxycaproic acid |
DL-4-Hydroxyhexanoic acid |
DFA0279 | Tetsuyuki Kobayashi |
C6H12O3 | 132.158 | Reverts to lactone |
Synthetic, by (1) treatment of the corresponding bromo acid with NaOH solution, or (2) treatment of hydrosorbic acid (see entry 48) with concentrated H2SO4 and hydrolysis of the reaction product. |
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280 | 5-Hydroxycaproic acid |
5-Hydroxyhexanoic acid |
DFA0280 | Tetsuyuki Kobayashi |
C6H12O3 | 132.158 | Reverts to lactone |
Synthetic, by (1) debromination of the corresponding bromo acid or (2) reduction of 5-keto-n-caproic acid (see entry 400) with NaHg. |
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281 | 6-Hydroxycaproic acid |
6-Hydroxyhexanoic acid |
DFA0281 | Tetsuyuki Kobayashi |
C6H12O3 | 132.158 | Synthetic, but difficult to prepare in the free state. |
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282 | 2-Hydroxyenanthoic acid |
2-Hydroxyheptanoic acid |
DFA0282 | Tetsuyuki Kobayashi |
C7H14O3 | 146.184 | 65 C |
Synthetic, by debromination of the corresponding 2-bromo acid with H2O under pressure or with a solution of NaOH. |
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283 | 4-Hydroxyenanthoic acid |
4-Hydroxyheptanoic acid |
DFA0283 | Tetsuyuki Kobayashi |
C7H14O3 | 146.184 | Reverts to g-lactone |
Synthetic, by (1) heating 4-bromoheptanoic acid with H2O, or (2) decomposition of g-propyl-paraconic acid. |
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284 | d-Hydroxyenanthoic acid |
5-Hydroxyheptanoic acid |
DFA0284 | Tetsuyuki Kobayashi |
C7H14O3 | 146.184 | Syrupy liquid |
Synthetic, by debromination of 5-bromoheptanoic acid with H2O. |
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285 | w-Hydroxyenanthoic acid |
7-Hydroxyheptanoic acid |
DFA0285 | Tetsuyuki Kobayashi |
C7H14O3 | 146.184 | Synthetic, by reduction of pimelic acid. |
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286 | 2-Hydroxycaprylic acid |
2-Hydroxyoctanoic acid |
DFA0286 | Tetsuyuki Kobayashi |
C8H16O3 | 160.211 | 69.5 C |
Synthetic, by action of Ba(OH)2 solution on 2-bromocaprylic acid followed by acidification. |
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287 | 3-Hydroxycaprylic acid |
3-Hydroxyoctanoic acid |
DFA0287 | Tetsuyuki Kobayashi |
C8H16O3 | 160.211 | 48-51 C |
Synthetic. |
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288 | 6-Hydroxycaprylic acid |
6-Hydroxyoctanoic acid |
DFA0288 | Tetsuyuki Kobayashi |
C8H16O3 | 160.211 | Viscous liquid |
Synthetic, by reduction of 6-keto-n-caprylic acid (see entry 410) with Zn and KOH. |
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289 | 8-Hydroxycaprylic acid |
8-Hydroxyoctanoic acid |
DFA0289 | Tetsuyuki Kobayashi |
C8H16O3 | 160.211 | 58 C |
Synthetic, by partial reduction of potassium methyl suberate with Na in ethanol. |
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290 | 2-Hydroxypelargonic acid |
2-Hydroxynonanoic acid |
DFA0290 | Tetsuyuki Kobayashi |
C9H18O3 | 174.237 | freezing point , 70 C |
Synthetic, by action of Ba(OH)2 solution on 2-bromononanoic acid followed by acidification. |
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291 | 3-Hydroxypelargonic acid |
(+)-3-Hydroxynonanoic acid |
DFA0291 | Tetsuyuki Kobayashi |
C9H18O3 | 174.237 | 48-51 C |
freezing point , 48-51 C |
Synthetic, along with heptanoic acid (see entry 7) and 1,2,4-decanetriol by oxidation of hexyl allyl carbinol. |
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292 | 4-Hydroxypelargonic acid |
4-Hydroxynonanoic acid |
DFA0292 | Tetsuyuki Kobayashi |
C9H18O3 | 174.237 | Reverts of g-lactone |
117-120 C at 10 mm Hg , Value for the g-lactone |
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293 | 7-Hydroxypelargonic acid |
7-Hydroxynonanoic acid |
DFA0293 | Tetsuyuki Kobayashi |
C9H18O3 | 174.237 | 204 C at 25 mmHg |
Synthetic, by reduction of the corresponding keto acid with Zn and KOH. |
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294 | 9-Hydroxypelargonic acid |
9-Hydroxynonanoic acid |
DFA0294 | Tetsuyuki Kobayashi |
C9H18O3 | 174.237 | 51-51.5 C ; 24-26.5 C |
Synthetic, by partial reduction of potassium methyl azelate with Na in ethanol (also by other methods). |
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295 | 2-Hydroxycapric acid |
2-Hydroxydecanoic acid |
DFA0295 | Tetsuyuki Kobayashi |
C10H20O3 | 188.264 | 70.5 C |
decomposes |
Crystals from chloroform , petroleum and ether.(Ref. 0037) |
Synthetic, by treatment of 2-bromocapric acid with KOH. |
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296 | l-2-Hydroxydecanoic acid |
DFA0296 | Tetsuyuki Kobayashi |
C10H20O3 | 188.264 | 77.6-78 C , Reverts to lactone |
Synthetic, results with lactone from treatment of 2-bromocapric acid with NaOH. |
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297 | 4-Hydroxycapric acid |
4-Hydroxydecanoic acid |
DFA0297 | Tetsuyuki Kobayashi |
C10H20O3 | 188.264 | Reverts to lactone |
Synthetic, reportedly , by action of fuming HCl on the oxime of 9-keto-12-hydroxystearic acid. |
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298 | 5-Hydroxycapric acid |
5-Hydroxydecanoic acid |
DFA0298 | Tetsuyuki Kobayashi |
C10H20O3 | 188.264 | Reverts to lactone |
117-120 C at 0.02 mm Hg , Value for the lactone. |
Synthetic, by partial reduction of various sebacic acid derivatives. |
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299 | 10-Hydroxycapric acid |
10-Hydroxydecanoic acid |
DFA0299 | Tetsuyuki Kobayashi |
C10H20O3 | 188.264 | 75.5-76.5 C |
Synthetic, by partial reduction of sebacic acid derivatives (easily from mono- and di-etholides). |
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300 | 2-Hydroxyhendecanoic acid |
2-Hydroxyundecanoic acid |
DFA0300 | Tetsuyuki Kobayashi |
C11H22O3 | 202.291 | 69 C |
freezing point , 69 C , Converts to capric aldehyde on distillation |
soluble in alcohol and ether; sparingly soluble in cold water.(Ref. 0037) |
Synthetic, by debromination of 2-bromoundecanoic acid with KOH. |
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301 | w-Hydroxyhendecanoic acid |
11-Hydroxyundecanoic acid |
DFA0301 | Tetsuyuki Kobayashi |
C11H22O3 | 202.291 | 71.5C |
soluble in ethyl alcohol and ether ; sparingly soluble in cold water.(Ref. 0132) |
Synthetic, by debromination of 11-bromoundecanoic acid with Ag2O in alkaline solution / by hydrolysis of 11-hydroxydecanenitrile (also other methods) |
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302 | a-Hydroxylauric acid |
2-Hydroxydodecanoic acid |
DFA0302 | Tetsuyuki Kobayashi |
C12H24O3 | 216.317 | soluble in ethyl alcohol and ether ; sparingly soluble in cold water.(Ref. 0132) |
Aceric fraction of wool grease |
Synthesis, by debromination of 2-bromolauric acid with Ag2O |
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303 | b-Hydroxylauric acid |
3-Hydroxydodecanoic acid |
DFA0303 | Tetsuyuki Kobayashi |
C12H24O3 | 216.317 | Acidic fraction of wool grease |
Synthesis, by treatment of 3-bromolauric acid with aqueous KOH |
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304 | 4-Hydroxylauric acid |
4-Hydroxydodecanoic acid |
DFA0304 | Tetsuyuki Kobayashi |
C12H24O3 | 216.317 | 62.3-63.5C |
170-171C at 11 mm Hg |
Synthetic, by saponification of the lactone |
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305 | 12-Hydroxylauric acid |
12-Hydroxydodecanoic acid |
DFA0305 | Tetsuyuki Kobayashi |
C12H24O3 | 216.317 | 84-85C |
164-166C at 11 mm Hg |
As the etholide in the waxlike substances in various species of conifers, including Juniperus sabina |
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306 | 2-Hydroxytridecanoic acid |
DFA0306 | Tetsuyuki Kobayashi |
C13H26O3 | 230.344 | 78C |
soluble in ethyl alcohol and ether / insoluble in benzene and petroleum ether |
Synthetic, through the corresponding bromo acid |
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307 | 4-Hydroxytridecanoic acid |
DFA0307 | Tetsuyuki Kobayashi |
C13H26O3 | 230.344 | 66-66.5C |
soluble in ethyl alcohol and ether / insoluble in benzene and petroleum ether(Ref. 0134) |
Synthetic, by saponification of the g-lactone |
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308 | 13-Hydroxytridecanoic acid |
DFA0308 | Tetsuyuki Kobayashi |
C13H26O3 | 230.344 | 79-79.5C |
Synthetic, by partial reduction of tridecanedioic acid dimethyl ester with Na and ethanol |
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309 | a-Hydroxymyristic acid |
2-Hydroxytetradecanoic acid |
DFA0309 | Tetsuyuki Kobayashi |
C14H28O3 | 244.370 | 51-51.5C |
Beeswax / wool grease |
Synthetic, debromination of 2-bromomyristic acid |
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310 | w-Hydroxymyristic acid |
14-Hydroxytetradecanoic acid |
DFA0310 | Tetsuyuki Kobayashi |
C14H28O3 | 244.370 | 54-54.5C |
196-198C at 10 mmHg |
Synthetic, by condensation of dimethyl sodium malonate with 12-bromo-1-dodecanol |
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311 | 2-Hydroxypentadecanoic acid |
DFA0311 | Tetsuyuki Kobayashi |
C15H30O3 | 258.397 | 84.5C |
readily soluble in ethyl alcohol / difficulty soluble in cold benzene |
Synthetic, by action of NaOH on 2-bromopentadecanoic acid |
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312 | Convolvulinolic acid |
11-Hydroxypentadecanoic acid |
DFA0312 | Tetsuyuki Kobayashi |
C15H30O3 | 258.397 | 63.5-64C |
166C at 2 mm Hg |
Synthetic, by reaction of n-butylmagnesium bromide and methyl 11-aldoundecanoate / by partial reduction of pentadecanedioic acid demethyl ester |
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313 | 2-Hydroxypalmitic acid |
2-Hydroxyhexadecanoic acid |
DFA0313 | Tetsuyuki Kobayashi |
C16h:0 |
C16H32O3 | 272.423 | 85.8-86.6C |
soluble in ethyl alcohol and methyl alcohol / insoluble in petroleum ether(Ref. 0256) |
Synthetic, by the action of KOH on 2-bromopalmitic acid |
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314 | 4-Hydroxypalmitic acid |
4-Hydroxyhexadecanoic acid |
DFA0314 | Tetsuyuki Kobayashi |
C16H32O3 | 272.423 | 79-79.6C |
soluble in ethyl acetate(Ref. 0258) |
Jalap resin (along with jalaponolic acid) from Vera Cruz and Brazil / Ipomoea and scammony resins |
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315 | 11-Hydroxypalmitic acid/builic acid/jalapinoic acid |
11-Hydroxyhexadecanoic acid |
DFA0315 | Tetsuyuki Kobayashi |
C16H32O3 | 272.423 | 68-69C |
183-186C at 3 mm Hg |
Shellac; root wax of Ipomoea orizabensis (Mexican scammony) |
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316 | 14-Hydroxypalmitic acid |
14-Hydroxyhexadecanoic acid |
DFA0316 | Tetsuyuki Kobayashi |
C16H32O3 | 272.423 | Juniperus sabina wax |
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317 | Juniperic acid |
16-Hydroxyhexadecanoic acid |
DFA0317 | Tetsuyuki Kobayashi |
C16H32O3 | 272.423 | 95C |
194-196C at 2 mm Hg |
soluble in ethyl alcohol, benzene, hexane and ether / sparingly soluble in cold ether / insoluble in cold water(Ref. 0055) |
Juniperus sabina wax |
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318 | 2-Hydroxyheptadecanoic acid |
DFA0318 | Tetsuyuki Kobayashi |
C17H34O3 | 286.450 | 89C |
Synthetic, by the action of KOH on 2-bromomargaric acid |
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319 | 17-Hydroxyheptadecanoic acid |
DFA0319 | Tetsuyuki Kobayashi |
C17H34O3 | 286.450 | 87.5-88C |
210C at 3 mm Hg |
Synthetic, by paratial reduction of heptadecanedioic acid dimethyl ester |
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320 | 2-Hydroxystearic acid |
DL-2-Hydroxyoctadecanoic acid |
DFA0320 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 93C |
soluble in ethyl alcohol, hexane, benzene methyl alcohol and ether (Ref. 0315) |
Synthetic, by the action of KOH on 2-bromo- or 2-iodostearic acid |
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321 | 3-Hydroxystearic acid |
DL-3-Hydroxyoctadecanoic acid |
DFA0321 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 91C |
Synthetic |
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322 | 4-Hydroxystearic acid |
DL-4-Hydroxyoctadecanoic acid |
DFA0322 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 89C |
Synthetic |
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323 | 5-Hydroxystearic acid |
DL-5-Hydroxyoctadecanoic acid |
DFA0323 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 81.9-82.1C |
Synthetic |
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324 | 6-Hydroxystearic acid |
DL-6-Hydroxyoctadecanoic acid |
DFA0324 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 83C |
Synthetic |
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325 | 7-Hydroxystearic acid |
DL-7-Hydroxyoctadecanoic acid |
DFA0325 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 77.6-77.8C |
Synthetic, by the Grignard reaction |
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326 | 8-Hydroxystearic acid |
DL-8-Hydroxyoctadecanoic acid |
DFA0326 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 81.5-81.7C |
Synthetic, by the Grignard reaction of 9-aldopelargonic acid with nonylmagnesium btomide |
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327 | 9-Hydroxystearic acid |
DL-9-Hydroxyoctadecanoic acid |
DFA0327 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 75.4-75.9C |
212-216C at 4 mm Hg |
Synthetic, by the Grignard reaction |
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328 | 10-Hydroxystearic acid/rosilic acid |
DL-10-Hydroxyoctadecanoic acid |
DFA0328 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 84C |
213-217C at 4 mm Hg |
Wax of the Druschky rose |
Synthetic, by the Grignard reaction / by the action of Ag2O on 10-iodostearic acid |
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329 | 11-Hydroxystearic acid |
DL-11-Hydroxyoctadecanoic acid |
DFA0329 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 81-82C |
204-206C at 4 mm Hg |
Synthetic, by the Grignard reaction / by the reaction of Zn + HCl on the HBr addition product of ricinoleic acid |
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330 | 12-Hydroxystearic acid |
DL-12-Hydroxyoctadecanoic acid |
DFA0330 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 76.6-76.7C |
185-189C at 2 mm Hg |
Synthetic, by the Grignard reaction |
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331 | 13-Hydroxystearic acid |
DL-13-Hydroxyoctadecanoic acid |
DFA0331 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 77.2-77.5C |
synthetic by the Grignard reaction |
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332 | 14-Hydroxystearic acid |
14-Hydroxyoctadecanoic acid |
DFA0332 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 76.6-76.8C |
synthetic by the Grignard reaction |
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333 | 15-Hydroxystearic acid |
15-Hydroxyoctadecanoic acid |
DFA0333 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 75.3-75.5C |
soluble in petroleum and ehtanol(Ref. 0060) |
synthetic by the Grignard reaction |
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334 | 16-Hydroxystearic acid |
16-Hydroxyoctadecanoic acid |
DFA0334 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 78.4-78.6C |
soluble in petroleum and ehtanol(Ref. 0060) |
synthetic by the Grignard reaction |
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335 | 17-Hydroxystearic acid |
17-Hydroxyoctadecanoic acid |
DFA0335 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 76.4-76.6C |
soluble in petroleum and ehtanol(Ref. 0060) |
synthetic by the Grignard reaction |
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336 | 18-Hydroxystearic acid |
18-Hydroxyoctadecanoic acid |
DFA0336 | Tetsuyuki Kobayashi |
C18H36O3 | 300.477 | 87-88C (unstable) |
Carnauba wax |
synthetic by (i) partial reduction of octadecanedioic acid dimethyl ester, or (ii)hydrogenation of kamlolenic acid (see entries 381 and 382) |
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337 | 2-Hydroxynonadecanoic acid |
DFA0337 | Tetsuyuki Kobayashi |
C19H38O3 | 314.503 | 83-84C |
synthetic by treatment of the corresponding bromo acid with KOH |
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338 | 19-Hydroxynonadecanoic acid |
DFA0338 | Tetsuyuki Kobayashi |
C19H38O3 | 314.503 | 91-91.5C |
synthetic by the partial reduction of nonadecanedionic acid dimethyl ester |
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339 | 2-Hydroxyeicosanoic acid |
DFA0339 | Tetsuyuki Kobayashi |
C20H40O3 | 328.530 | 91-92C |
synthetic by heating 2-bromoarachidic acid with ethanolic NaOH |
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340 | 3-Hydroxyeicosanoic acid |
DFA0340 | Tetsuyuki Kobayashi |
C20H40O3 | 328.530 | 93C |
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341 | 20-Hydroxyeicosanoic acid |
DFA0341 | Tetsuyuki Kobayashi |
C20H40O3 | 328.530 | 97.4-97.8C (acetyl derivative), 68.5C (methyl ester) |
synthetic by partial reductionof eicosanedioic acid dimethyl ester |
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342 | 21-Hydroxyheneicosanoic acid |
DFA0342 | Tetsuyuki Kobayashi |
C21H42O3 | 342.556 | 92.5-93C |
seed oil of Mallotus philippinensis (kamala) |
synthetic by the partial reduction of heneicosanedioic acid dimethyl ester |
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343 | 2-Hydroxybehenic |
2-Hydroxydocosanoic acid |
DFA0343 | Tetsuyuki Kobayashi |
C22H44O3 | 356.583 | 99.3-99.6C |
hydrolysis of suberin; synthetic by the action of aqueous KOH on 2-bromobehenic acid |
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344 | 3-Hydroxybehenic |
(+)-3-Hydroxydocosanoic acid |
DFA0344 | Tetsuyuki Kobayashi |
C22H44O3 | 356.583 | 95.8-96C |
synthetic |
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345 | w-Hydroxybehenic/phellonic acid |
22-Hydroxydocosanoic acid |
DFA0345 | Tetsuyuki Kobayashi |
C22H44O3 | 356.583 | 99.2-100.5C |
cork; birch bark; carnauba wax |
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346 | Cerebronic acid |
DL-2-Hydroxytetracosanoic acid |
DFA0346 | Tetsuyuki Kobayashi |
C24H48O3 | 384.636 | 99.5-100.5C [(+)-] |
brain lipids |
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347 | 3,11-dihydroxymyristoic acid/ipurolic acid |
3,11-Dihydroxytetradecanoic acid |
DFA0347 | Tetsuyuki Kobayashi |
C14H28O4 | 260.370 | 100-101C |
Ipomoea purpurea |
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348 | 2,15-dihydroxypentadecylic acid |
2,15-Dihydroxypentadecanoic acid |
DFA0348 | Tetsuyuki Kobayashi |
C15H30O4 | 274.396 | 102-103C |
syanthetic from ustilic acid A (see entry 350) |
||||||||||||||||||||
349 | 3,12-dihydroxypalmitic acid |
3,12-Dihydroxyhexadecanoic acid |
DFA0349 | Tetsuyuki Kobayashi |
C16H32O4 | 288.423 | 83-84C |
soluble in methanol and alcohol(Ref. 0441) |
Fermentaion of Ustilago zeae |
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350 | Ustilic acid A |
15,16-Dihydroxyhexadecanoic acid |
DFA0350 | Tetsuyuki Kobayashi |
C16H32O4 | 288.423 | 112-113C |
soluble in hot alcohol, methanol ; slightly soluble in ethanol and water(Ref. 0312) |
castor oil |
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351 | 2,3-Dihydroxystearic acid |
2,3-Dihydroxyoctadecanoic acid |
DFA0351 | Tetsuyuki Kobayashi |
C18H36O4 | 316.476 | 126C |
soluble in alcohol, ethanol and hot water(Ref. 0316) |
straw, soils |
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352 | 5,6-Dihydroxystearic acid |
5,6-Dihydroxyoctadecanoic acid |
DFA0352 | Tetsuyuki Kobayashi |
C18H36O4 | 316.476 | 94C |
soluble in acetone and ethanol(Ref. 0398) |
seed oils of hare's-ear and mustard |
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353 | 6,7-Dihydroxystearic acid |
6,7-Dihydroxyoctadecanoic acid |
DFA0353 | Tetsuyuki Kobayashi |
C18H36O4 | 316.476 | 122C (erythro), 117.5C (threo) |
soluble in methanol and alcohol(Ref. 0460) |
fermentation of Ustilago zeae |
|||||||||||||||||||
354 | 7,8-Dihydroxystearic acid |
7,8-Dihydroxyoctadecanoic acid |
DFA0354 | Tetsuyuki Kobayashi |
C18H36O4 | 316.476 | 96.5C |
synthetic |
||||||||||||||||||||
355 | 8,9-Dihydroxystearic acid |
8,9-Dihydroxyoctadecanoic acid |
DFA0355 | Tetsuyuki Kobayashi |
C18H36O4 | 316.476 | 98.5C |
synthetic by oxidationof cis- or trans-7-octadecenoic acid (see entries 107 and 108) with performic acid |
||||||||||||||||||||
356 | 9,10-Dihydroxystearic acid |
9,10-Dihydroxyoctadecanoic acid |
DFA0356 | Tetsuyuki Kobayashi |
C18H36O4 | 316.476 | 133-136.5C (erythro) |
soluble in alcohol, ethanol, hot water, methanol and alcohol(Ref. 0454) |
castor oil |
synthetic |
||||||||||||||||||
357 | 9,12-Dihydroxystearic acid |
9,12-Dihydroxyoctadecanoic acid |
DFA0357 | Tetsuyuki Kobayashi |
C18H36O4 | 316.476 | 90C |
soluble in alcohol ; sparingly soluble in ethanol ; insoluble in petroleum and ethanol(Ref. 0200) |
many animal and seed fats and oils |
|||||||||||||||||||
358 | 10,11-Dihydroxystearic acid |
10,11-Dihydroxyoctadecanoic acid |
DFA0358 | Tetsuyuki Kobayashi |
C18H36O4 | 316.476 | 77-78C |
synthetic |
||||||||||||||||||||
359 | 11,12-Dihydroxystearic acid |
11,12-Dihydroxyoctadecanoic acid |
DFA0359 | Tetsuyuki Kobayashi |
C18H36O4 | 316.476 | 129-130C (erythro), 95-96C (threo) |
synthetic |
||||||||||||||||||||
360 | 12,13-Dihydroxystearic acid |
12,13-Dihydroxyoctadecanoic acid |
DFA0360 | Tetsuyuki Kobayashi |
C18H36O4 | 316.476 | 97.8-98C [(+)-threo], 98.5C [(-)-threo], 98.5-99C [(+-)-threo] |
|||||||||||||||||||||
361 | 11,12-Dihydroxyarachidic acid |
11,12-Dihydroxyeicosanoic acid |
DFA0361 | Tetsuyuki Kobayashi |
C20H40O4 | 344.529 | 130C |
soluble in acetone, ether . (Ref. 0249) |
Seed oil of hare's ear and mustard. |
|||||||||||||||||||
362 | D-Threonic acid |
2,2,4-Trihydroxybutyric acid |
DFA0362 | Tetsuyuki Kobayashi |
C4H8O5 | 136.103 | Synthetic |
|||||||||||||||||||||
363 | DL-Erythronic acid |
2,3,4-Trihydroxybutyric acid |
DFA0363 | Tetsuyuki Kobayashi |
C4H8O5 | 136.103 | 102-103C |
Synthetic |
||||||||||||||||||||
364 | Digitoxic acid |
3,4,5-Trihydroxyhexanoic acid |
DFA0364 | Tetsuyuki Kobayashi |
C6H12O5 | 164.156 | soluble in acetone, water. (Ref. 0532) |
|||||||||||||||||||||
365 | 2,15,16-Trihydroxypalmitic acid/Ustilic acid |
2,15,16-Trihydroxyhexadecanoic acid |
DFA0365 | Tetsuyuki Kobayashi |
C16H32O5 | 304.422 | 140C |
soluble in methyl alcohol. (Ref. 0312) |
Hydrolytic breakdown of Ustilago (fungal smut of cereal grain) |
|||||||||||||||||||
366 | 8,9,16-Trihydroxypalmitic acid |
8,9,16-Trihydroxyhexadecanoic acid |
DFA0366 | Tetsuyuki Kobayashi |
C16H32O5 | 304.422 | 100C |
Shellac |
Synthetic |
|||||||||||||||||||
367 | 9,10,16-Trihydroxypalmitic acid/aleuritic acid |
9,10,16-Trihydroxyhexadecanoic acid |
DFA0367 | Tetsuyuki Kobayashi |
C16H32O5 | 304.422 | 102C/104C |
Shellac |
||||||||||||||||||||
368 | 11,12,15-Trihydroxypalmitic acid |
11,12,15-Trihydroxyhexadecanoic acid |
DFA0368 | Tetsuyuki Kobayashi |
C16H32O5 | 304.422 | 100C |
Shallac |
||||||||||||||||||||
369 | Phloionolic acid |
9,10,18-Trihydroxyoctadecanoic acid |
DFA0369 | Tetsuyuki Kobayashi |
C18H36O5 | 332.475 | 104C |
Cork |
Synthetic |
|||||||||||||||||||
370 | Apionic acid |
2,3,4,4-Tetrahydroxyisovaleric acid |
DFA0370 | Tetsuyuki Kobayashi |
C5H10O6 | 166.129 | Synthetic |
|||||||||||||||||||||
371 | Sativic acid |
9,10-threo-12,13-threo-Tetrahydroxyoctadecanoic acid |
DFA0371 | Tetsuyuki Kobayashi |
C18H36O6 | 348.475 | 147.5C/148C |
Synthetic, by ring opening of vernolic acid with performic acid (4 optically active pairs of acids produced) |
||||||||||||||||||||
372 | Ambrettolic acid |
16-Hydroxyhexadec-7-enoic acid |
DFA0372 | Tetsuyuki Kobayashi |
C16H30O3 | 270.408 | 53-55C for a, 26-27C for b |
185-190C at 13 mm Hg |
As the lactone (ambrettolide) in musk (ambrette) seed oil |
synthetic from the lactone |
||||||||||||||||||
373 | 9-Hydroxy-cis-12-octadecenoic acid |
DFA0373 | Tetsuyuki Kobayashi |
C18H34O3 | 298.461 | Seed fat of Strophanthus spp.; 6-14% in seed oils of 13 Strophanthus spp. |
||||||||||||||||||||||
374 | Ricinoleic acid |
12-Hydroxy-cis-9-octadecenoic acid |
DFA0374 | Tetsuyuki Kobayashi |
C18H34O3 | 298.461 | 5.0, 7.7 and 16.0C (trimorphic) |
225C at 10 mm Hg |
d27.440.940 |
1.4716 at 20C |
Seed oils of Ricinus, Strophanthus sarmentosus, ergot, and a few other plants. |
|||||||||||||||||
375 | Ricinelaidic acid |
12-Hydroxy-trans-9-octadecenoic acid |
DFA0375 | Tetsuyuki Kobayashi |
C18H34O3 | 298.461 | 52-53C |
Not natural fats and oils. |
Synthetic, by treatment of castor oil with N oxides. |
|||||||||||||||||||
376 | 9-Hydroxy-trans-10,cis-12-octadecadienoic acid |
DFA0376 | Tetsuyuki Kobayashi |
C18H32O3 | 296.445 | Seed oil of Tragopogon porrifolius. |
||||||||||||||||||||||
377 | Dimorphecolic acid / a-dimorphecolic acid |
9-Hydroxy-trans-10,trans-12-octadecadienoic acid |
DFA0377 | Tetsuyuki Kobayashi |
C18H32O3 | 296.445 | Several Dimorphotheca spp.; 34% in seed oil of D.aurantiaca (Cape marigold); species of other genera. |
|||||||||||||||||||||
378 | Densipolic acid |
12-Hydroxy-cis-9,cis-15-octadecadienoic acid |
DFA0378 | Tetsuyuki Kobayashi |
C18H32O3 | 296.445 | Seed oil of Lesquerella densipila. |
|||||||||||||||||||||
379 | 13-Hydroxy-cis-9,trans-11-octadecadienoic acid |
DFA0379 | Tetsuyuki Kobayashi |
C18H32O3 | 296.445 | Seed oils of 4 species of Asteraceae including Tragopogon porrifolius, 1 species of Fabaceae, and 1 species of Zygophyllaceae. |
||||||||||||||||||||||
380 | a-Artemisic acid |
13-Hydroxy-trans-9,trans-11-octadecadienoic acid |
DFA0380 | Tetsuyuki Kobayashi |
C18H32O3 | 296.445 | 4% in the seed oil of Tragopogon porrifolius along with dimorphecolic acid. |
|||||||||||||||||||||
381 | a-Kamlolenic acid |
18-Hydroxy-cis-9,trans-11,trans-13-octadecatrienoic acid |
DFA0381 | Tetsuyuki Kobayashi |
C18H30O3 | 294.429 | 77-78C |
Primary constituent of Mallotus phillippinensis (kamala) and other Mallotus spp. |
||||||||||||||||||||
382 | b-Kamlolenic acid |
18-Hydroxy-trans-9,trans-11,trans-13-octadecatrienoic acid |
DFA0382 | Tetsuyuki Kobayashi |
C18H30O3 | 294.429 | 88-89C |
Synthetic, by isomerization of the a-acid. |
||||||||||||||||||||
383 | Lesquerolic acid |
14-Hydroxy-cis-11-eicosenoic acid |
DFA0383 | Tetsuyuki Kobayashi |
C20H38O3 | 326.514 | Seed oils of various Lesquerella spp. |
|||||||||||||||||||||
384 | Hydroxynervonic acid |
2-Hydroxy-15-tetracosenoic acid |
DFA0384 | Tetsuyuki Kobayashi |
C24H46O3 | 382.620 | 65C |
Brain lipids - first prepared from a cerebroside fraction partially soluble in petroleum benzin. |
||||||||||||||||||||
385 | Pyruvic acid / a-ketopropionic acid |
2-Oxopropionic acid |
DFA0385 | Tetsuyuki Kobayashi |
C3H4O3 | 88.062 | 13.6C |
165C at 760 mm Hg |
d15.341.2668 |
1.43025 at 15.3C |
Synthetic, by distillation of tartaric acid in the presence of KHSO4(good yield) |
|||||||||||||||||
386 | 3-Methylpyruvic acid |
2-Oxobutyric acid |
DFA0386 | Tetsuyuki Kobayashi |
C4H6O3 | 102.089 | 31-32C |
74-78C at 25 mm Hg |
d1.3974 |
Synthetic |
||||||||||||||||||
387 | Acetoacetic acid / b-ketobutyric acid |
3-Oxobutyric acid |
DFA0387 | Tetsuyuki Kobayashi |
C4H6O3 | 102.089 | 36-37C |
decomposes, <100 |
soluble in ethanol, benzene, chloroform, ether, water. (Ref. 0347) |
Synthetic, by treatment of butyryl chloride with AgCN and hydrolysis of the cyanide. |
||||||||||||||||||
388 | 2-Ketovaleric acid |
2-Oxopentanoic acid |
DFA0388 | Tetsuyuki Kobayashi |
C5H8O3 | 116.115 | 6-7C |
179C at 760 mm Hg |
Synthetic, by (i) the action of ethylmagnesium iodide on ethyl cyanoacetate, and (ii) hydrolysis of bytyryl chloride with AgCN. |
|||||||||||||||||||
389 | 3-Ketovaleric acid |
3-Oxopentanoic acid |
DFA0389 | Tetsuyuki Kobayashi |
C5H8O3 | 116.115 | 33-35C |
191C at 760 mm Hg |
very soluble in ethanol, ether, water ; insolble in aliphatic hydrocarbons. (Ref. 0414) |
Synthetic, by reaction of a-substituted fatty acids with etyl acetoacetate, followed by alkaline hydrolysis of the condensation product. |
||||||||||||||||||
390 | Levulinic acid |
4-Oxopentanoic acid |
DFA0390 | Tetsuyuki Kobayashi |
C5H8O3 | 116.115 | 37.2C |
246C / 154C at 15 mm Hg |
d1.1395 |
1.442 at 15.8C |
Synthetic, by heating sugars, particularly hexoses (good yield). |
|||||||||||||||||
391 | 2-Keto-n-caproic acid |
2-Oxohexanoic acid |
DFA0391 | Tetsuyuki Kobayashi |
C6H10O3 | 130.142 | 15 C |
93-94 C at 14 mmHg |
Synthetic, by saponification of the ethyl ester |
|||||||||||||||||||
392 | 3-Keto-n-caproic acid |
3-Oxohexanoic acid |
DFA0392 | Tetsuyuki Kobayashi |
C6H10O3 | 130.142 | Synthetic, by action of propylmagnesium iodide on cyanoacetic acid, followed by hydrolysis of the complex formed |
|||||||||||||||||||||
393 | 4-Keto-n-caproic acid |
4-Oxohexanoic acid |
DFA0393 | Tetsuyuki Kobayashi |
C6H10O3 | 130.142 | 40 C |
89 C at 0.4 mmHg / 183 C at 20 mmHg |
Synthetic, by hydrolysis of the oxime ( also by other methods ) |
|||||||||||||||||||
394 | 5-Keto-n-caproic acid |
5-Oxohexanoic acid |
DFA0394 | Tetsuyuki Kobayashi |
C6H10O3 | 130.142 | 13-14 C |
180 C at 20 mmHg |
Synthetic, by hydrolytic cleavage of dihydroresorcinol ( also by other methods ) |
|||||||||||||||||||
395 | 2-Keto-n-heptylic acid |
2-Oxoheptanoic acid |
DFA0395 | Tetsuyuki Kobayashi |
C7H12O3 | 144.168 | 29-30 C |
108-111 C at 17 mmHg |
soluble in most organic solvents (Ref. 0008) |
|||||||||||||||||||
396 | n-Valerylacetic acid |
3-Oxoheptanoic acid |
DFA0396 | Tetsuyuki Kobayashi |
C7H12O3 | 144.168 | Synthetic, by condensation of ethyl valerate and ethyl acetate |
|||||||||||||||||||||
397 | 3-Butyrylpropionic acid |
4-Oxoheptanoic acid |
DFA0397 | Tetsuyuki Kobayashi |
C7H12O3 | 144.168 | 48 C |
123-126 C at 3.5 mmHg |
Synthetic, by treatment of butyrylsuccinic acid dimethyl ester with HCl |
|||||||||||||||||||
398 | 4-Propionylbutyric acid |
5-Oxoheptanoic acid |
DFA0398 | Tetsuyuki Kobayashi |
C7H12O3 | 144.168 | 50 C |
110 C at 16 mmHg |
Synthetic, by oxidation of 1-ethyl-2-propionyl-1-cyclopentene, also from one of the reactions of ethylcyclopenetene |
|||||||||||||||||||
399 | 5-Acetovaleric acid |
6-Oxoheptanoic acid |
DFA0399 | Tetsuyuki Kobayashi |
C7H12O3 | 144.168 | 31-32 C / 40-42 C |
250-253 C at 280 mmHg |
Synthetic, by action of methylzinc iodide on the acid chloride of monomethyl adipate ( also by other methods ) |
|||||||||||||||||||
400 | 2-Keto-n-caprylic acid |
2-Oxooctanoic acid |
DFA0400 | Tetsuyuki Kobayashi |
C8H14O3 | 158.195 | 32-33 C |
104 C at 6 mmHg |
||||||||||||||||||||
401 | 3-Keto-n-caprylic acid |
3-Oxooctanoic acid |
DFA0401 | Tetsuyuki Kobayashi |
C8H14O3 | 158.195 | 74 C ( Decomposes to 2-heptanone / methyl valeryl ketone. ) |
soluble in water, most organic solvents; insoluble in petroleum ether (Ref. 0186) |
Synthetic, by treatment of 3-octynoic acid with ethanolic KOH and monoethyl succinate |
|||||||||||||||||||
402 | 4-Keto-n-caprylic acid |
4-Oxooctanoic acid |
DFA0402 | Tetsuyuki Kobayashi |
C8H14O3 | 158.195 | 53 C |
168-170 C at 15 mmHg |
insoluble in water (Ref. 0338) |
Synthetic, by action of butylzinc iodide on the acid chloride of monoethyl succinate |
||||||||||||||||||
403 | 5-Keto-n-caprylic acid |
5-Oxooctanoic acid |
DFA0403 | Tetsuyuki Kobayashi |
C8H14O3 | 158.195 | 34 C |
280-285 C at 760 mmHg |
Synthetic, by ring cleavage of coniine ( a hemlock alkaloid ), C8H17N |
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404 | 6-Keto-n-caprylic acid |
6-Oxooctanoic acid |
DFA0404 | Tetsuyuki Kobayashi |
C8H14O3 | 158.195 | 52 C |
160-161 C at 9 mmHg |
Synthetic, by action of ethylzinc iodide on the acid chloride of monomethyl adipate ( also by other methods ) |
|||||||||||||||||||
405 | 7-Keto-n-caprylic acid |
7-Oxooctanoic acid |
DFA0405 | Tetsuyuki Kobayashi |
C8H14O3 | 158.195 | 29-30 C |
184-185 C at 15 mmHg |
d0.9708 |
1.4375 at 25 C |
Synthetic, by oxidation of 1-methylcycloheptene |
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406 | n-Heptanoylacetic acid |
2-Oxononanoic acid |
DFA0406 | Tetsuyuki Kobayashi |
C9H16O3 | 172.222 | 43-44 C ( With decomposition ) / 98-98.5 C [ oxime ] |
Synthetic, by action of ethanolic KOH on 2-nonynoic acid |
||||||||||||||||||||
407 | 3-Caproylpropionic acid |
4-Oxononanoic acid |
DFA0407 | Tetsuyuki Kobayashi |
C9H16O3 | 172.222 | 70-71 C ( Crystalline mass decomposes at ordinary temperatures to 2-octanone / methyl hexyl ketone. ) |
Synthetic, by action of pentylmagnesium bromide on N-methylsuccinimide |
||||||||||||||||||||
408 | 4-n-Valerylbutyric acid |
5-Oxononanoic acid |
DFA0408 | Tetsuyuki Kobayashi |
C9H16O3 | 172.222 | 44 C / 142 C [ semi-carbazone ] |
|||||||||||||||||||||
409 | n-Butyryl-n-valeric acid |
6-Oxononanoic acid |
DFA0409 | Tetsuyuki Kobayashi |
C9H16O3 | 172.222 | 43 C / 154-155 C [ semi-carbazone ] |
140-142 C at 1 mmHg |
||||||||||||||||||||
410 | 6-Propionyl-n-caproic acid |
7-Oxononanoic acid |
DFA0410 | Tetsuyuki Kobayashi |
C9H16O3 | 172.222 | 42 C |
42 C at 760 mmHg ( freezing point ) |
Synthetic, by action of ethylzinc iodide on the acid chloride of monoethyl pimelate |
|||||||||||||||||||
411 | 2-Oxocapric acid |
2-Oxodecanoic acid |
DFA0411 | Tetsuyuki Kobayashi |
C10H18O3 | 186.248 | 46-47 C / 85-86 C [ oxime ] |
148-151 C at 18 mmHg |
||||||||||||||||||||
412 | 3-Oxocapric acid |
3-Oxodecanoic acid |
DFA0412 | Tetsuyuki Kobayashi |
C10H18O3 | 186.248 | 80-85 C ( Decomposes to 2-nonanone / methyl heptyl ketone. ) [ Leaflets ] |
|||||||||||||||||||||
413 | 4-Oxocapric acid |
4-Oxodecanoic acid |
DFA0413 | Tetsuyuki Kobayashi |
C10H18O3 | 186.248 | 70-71 C |
Synthetic, by action of hexylmagnesium bromide on N-methylsuccinimide |
||||||||||||||||||||
414 | 5-Oxocapric acid |
5-Oxodecanoic acid |
DFA0414 | Tetsuyuki Kobayashi |
C10H18O3 | 186.248 | 58 C |
155-161 C at 2 mmHg |
Synthetic, by H2O2 oxidation of coniine in presence of spongy platinum |
|||||||||||||||||||
415 | 6-Oxocapric acid |
6-Oxodecanoic acid |
DFA0415 | Tetsuyuki Kobayashi |
C10H18O3 | 186.248 | 46-47 C |
Synthetic, by oxidation of (1) 1-cyclohexene-1 with KMnO4, or (2) 1-methylcyclohexanone-2 with CrO3-H2SO4 |
||||||||||||||||||||
416 | 8-Oxocapric acid |
8-Oxodecanoic acid |
DFA0416 | Tetsuyuki Kobayashi |
C10H18O3 | 186.248 | 64 C |
Synthetic, by action of ethylzinc iodide on the acid chloride of monomethyl suberate |
||||||||||||||||||||
417 | 9-Oxocapric acid |
9-Oxodecanoic acid |
DFA0417 | Tetsuyuki Kobayashi |
C10H18O3 | 186.248 | 48 C |
Synthetic, by action of monomethyl ester chloride of azelaic acid + Zn ( or Cu ) |
||||||||||||||||||||
418 | Pelargonylacetic acid |
3-Oxoundecanoic acid |
DFA0418 | Tetsuyuki Kobayashi |
C11H20O3 | 200.275 | 55 C [ White crystals ] |
|||||||||||||||||||||
419 | 3-Caprylpropionic acid |
4-Oxoundecanoic acid |
DFA0419 | Tetsuyuki Kobayashi |
C11H20O3 | 200.275 | 77 C / 62 C [ crystals ] |
Synthetic, from the appropriate monoester acid chloride and alkyl iodide |
||||||||||||||||||||
420 | 4-Heptanoylbutyric acid |
5-Oxoundecanoic acid |
DFA0420 | Tetsuyuki Kobayashi |
C11H20O3 | 200.275 | 62 C |
Synthetic, from the monoethyl ester chloride of the appropriate dibasic acid |
||||||||||||||||||||
421 | 8-Propionylcaprylic acid |
9-Oxoundecanoic acid |
DFA0421 | Tetsuyuki Kobayashi |
C11H20O3 | 200.275 | 43.5C ; 56C |
Synthetic, by hydration of 9-nudecynoic acid |
||||||||||||||||||||
422 | 9-Acetylpelargonic acid |
10-Oxoundecanoic acid |
DFA0422 | Tetsuyuki Kobayashi |
C11H20O3 | 200.275 | 58.5-59.5C |
166-167C at 1 mm Hg |
Synthetic, by (i) oxidation of nudecane-1,10-diol, or (ii) hydration of 10-undecynoic acid |
|||||||||||||||||||
423 | 4-Ketolauric acid |
4-Oxododecanoic acid |
DFA0423 | Tetsuyuki Kobayashi |
C12H22O3 | 214.301 | 50C |
Synthetic, by action of ethanolic KOH on 3-dodecynoic acid |
||||||||||||||||||||
424 | 9-Ketolauric acid |
9-Oxododecanoic acid |
DFA0424 | Tetsuyuki Kobayashi |
C12H22O3 | 214.301 | 50C |
Synthetic, by action of propylzinc iodide on the acid chloride of monoethyl azelate |
||||||||||||||||||||
425 | 2-Ketotridecanoic acid |
2-Oxotridecanoic acid |
DFA0425 | Tetsuyuki Kobayashi |
C13H24O3 | 228.328 | 39-40.5C |
|||||||||||||||||||||
426 | 10-Ketotridecanoic acid |
10-Oxotridecanoic acid |
DFA0426 | Tetsuyuki Kobayashi |
C13H24O3 | 228.328 | 63C |
Synthetic, by reaction of ethylsodio-2-acetylbutyrate with 9-carbethoxynonanoyl chloride |
||||||||||||||||||||
427 | 12-Ketotridecanoic acid |
12-Oxotridecanoic acid |
DFA0427 | Tetsuyuki Kobayashi |
C13H24O3 | 228.328 | 70-71C |
185-186C at 1 mm Hg |
Synthetic, by oxidation of tridecane-1,12-diol |
|||||||||||||||||||
428 | 4-Ketomyristic acid |
4-Oxotetradecanoic acid |
DFA0428 | Tetsuyuki Kobayashi |
C14H26O3 | 242.354 | 87C |
Synthetic, by hydrolysis of the condensation product of undecanoyl chloride & the Na derivative of ethyl acetylsuccinate |
||||||||||||||||||||
429 | 10-Ketomyristic acid |
10-Oxotetradecanoic acid |
DFA0429 | Tetsuyuki Kobayashi |
C14H26O3 | 242.354 | 69C |
Synthetic, by action of ethyl sodioacetoacetate on ethyl 11-chloroundecanoate & hydrolysis of the reaction product, ethyl 2-acetylbrassylate |
||||||||||||||||||||
430 | 13-Ketomyristic acid |
13-Oxotetradecanoic acid |
DFA0430 | Tetsuyuki Kobayashi |
C14H26O3 | 242.354 | 87C |
164-166C at 1 mm Hg |
Synthetic, by hydrolysis of ethyl sodioacetoacetate by action on ethyl 11-chloroundecanoate |
|||||||||||||||||||
431 | 4-Ketopentadecanoic acid |
4-Oxopentadecanoic acid |
DFA0431 | Tetsuyuki Kobayashi |
C15H28O3 | 256.381 | 92.6C |
Synthetic, by oxidation with KMnO4 of either 4-hydroxy-3,5-dicarboxypentadecanoic acid or its lactone |
||||||||||||||||||||
432 | 11-Ketopentadecanoic acid |
11-Oxopentadecanoic acid |
DFA0432 | Tetsuyuki Kobayashi |
C15H28O3 | 256.381 | 70-71C |
Synthetic, by oxidation of convolvulinolic acid with CrO3 |
||||||||||||||||||||
433 | 14-Ketopentadecanoic acid |
14-Oxopentadecanoic acid |
DFA0433 | Tetsuyuki Kobayashi |
C15H28O3 | 256.381 | 78.4-79.4C |
205-206C at 15 mm Hg |
Synthetic, by oxidation of 1,14-pentadecanediol with CrO3 |
|||||||||||||||||||
434 | 2-Ketopalmitic acid |
2-Oxohexadecanoic acid |
DFA0434 | Tetsuyuki Kobayashi |
C16H30O3 | 270.408 | 65-66C ; 47C ; 81-82C |
|||||||||||||||||||||
435 | 3-Ketopalmitic acid |
3-Oxohexadecanoic acid |
DFA0435 | Tetsuyuki Kobayashi |
C16H30O3 | 270.408 | 98C ; 40-41C ; 81-82C |
165-170C |
||||||||||||||||||||
436 | 4-Ketopalmitic acid |
4-Oxohexadecanoic acid |
DFA0436 | Tetsuyuki Kobayashi |
C16H30O3 | 270.408 | 91-92C |
Synthetic, by action of the Na derivative of ethyl 2-acetyltridecanoate on 3-carbomethoxypropionyl chloride |
||||||||||||||||||||
437 | 5-Ketopalmitic acid |
5-Oxohexadecanoic acid |
DFA0437 | Tetsuyuki Kobayashi |
C16H30O3 | 270.408 | 88C |
Synthetic, by action of lauroyl chloride & diethyl sodio-2-acetylglutarate |
||||||||||||||||||||
438 | 7-Ketopalmitic acid |
7-Oxohexadecanoic acid |
DFA0438 | Tetsuyuki Kobayashi |
C16H30O3 | 270.408 | 78C |
Synthetic, by action of ethyl sodio-2-acetyldecanoate & 6-carbomethoxyhexanoyl chloride |
||||||||||||||||||||
439 | 8-Ketopalmitic acid |
8-Oxohexadecanoic acid |
DFA0439 | Tetsuyuki Kobayashi |
C16H30O3 | 270.408 | 77-78C |
Synthetic, by reaction of 7-carbethoxyheptanoyl chloride and ethyl sodio-2-acetylnonanoate |
||||||||||||||||||||
440 | 9-Ketopalmitic acid |
9-Oxohexadecanoic acid |
DFA0440 | Tetsuyuki Kobayashi |
C16H30O3 | 270.408 | 73.5-74.5C |
Synthetic, by reaction of the half-ester chloride of the appropriate dibasic acid and alkyl iodide |
||||||||||||||||||||
441 | 10-Ketopalmitic acid |
10-Oxohexadecanoic acid |
DFA0441 | Tetsuyuki Kobayashi |
C16H30O3 | 270.408 | 75-75.8C |
Synthetic, by reaction of hexylmagnesium bromide and the acid chloride of monomethyl sebacate |
||||||||||||||||||||
442 | 11-Ketopalmitic acid |
11-Oxohexadecanoic acid |
DFA0442 | Tetsuyuki Kobayashi |
C16H30O3 | 270.408 | 74-75C / 91-92C |
Synthetic, by oxidation of 11-hydroxypalmitic acid |
||||||||||||||||||||
443 | 9-Ketoheptadecylic acid / 9-Ketomargaric acid |
9-Oxoheptadecanoic acid |
DFA0443 | Tetsuyuki Kobayashi |
C17H32O3 | 284.434 | 78.5C |
Synthetic, by oxidation of 2-hydroxy2-octylsebasic acid with KMnO4 |
||||||||||||||||||||
444 | 3-Ketostearic acid |
3-Oxooctadecanoic acid |
DFA0444 | Tetsuyuki Kobayashi |
C18H34O3 | 298.461 | 102-103C |
easily soluble in acetic acid, ether and hot alcohol / insoluble in water (Ref. 0458) |
Synthetic, by saponification of the ethyl ester |
|||||||||||||||||||
445 | 4-Ketostearic acid |
4-Oxooctadecanoic acid |
DFA0445 | Tetsuyuki Kobayashi |
C18H34O3 | 298.461 | 97C |
easily soluble in acetic acid, ether and hot alcohol / insoluble in water (Ref. 0462) |
Po-yak oil; synthetic, by oxidation of the lactone of 4-hydroxystearic acid |
|||||||||||||||||||
446 | 5-Ketostearic acid |
5-Oxooctadecanoic acid |
DFA0446 | Tetsuyuki Kobayashi |
C18H34O3 | 298.461 | 85C / 91C |
Synthetic, by reaction of the half-ester chloride of glutaric acid with 1-iodotridecane |
||||||||||||||||||||
447 | 6-Ketostearic acid |
6-Oxooctadecanoic acid |
DFA0447 | Tetsuyuki Kobayashi |
C18H34O3 | 298.461 | 87C |
easily soluble in acetic acid, ether and hot alcohol / insoluble in water (Ref. 0432) |
Synthetic, by reaction of 5-carboxypentanoyl chloride and the Na derivative of ethyl 2-acetyltridecanoate |
|||||||||||||||||||
448 | 7-Ketostearic acid |
7-Oxooctadecanoic acid |
DFA0448 | Tetsuyuki Kobayashi |
C18H34O3 | 298.461 | 75C |
easily soluble in acetic acid, ether and hot alcohol / insoluble in water (Ref. 0025) |
Synthetic, by reaction of concentrated H2SO4 and 6-octadecynoic ( tariric ) acid |
|||||||||||||||||||
449 | 9-Ketostearic acid |
9-Oxooctadecanoic acid |
DFA0449 | Tetsuyuki Kobayashi |
C18H34O3 | 298.461 | 83C |
easily soluble in acetic acid, ether and hot alcohol / insoluble in water (Ref. 0418) |
Synthetic, by reduction of 12-chloro-9-ketostearic acid with Zn and HCl ( also by othe methods ) |
|||||||||||||||||||
450 | 10-Ketostearic acid |
10-Oxooctadecanoic acid |
DFA0450 | Tetsuyuki Kobayashi |
C18H34O3 | 298.461 | 76C |
Easily soluble in acetic acid, ether and hot alcohol / insoluble in water (Ref. 0418) |
Synthetic, by (1) oxidation of 10-hydroxystearic acid with a mixture of CrO3 and acetic acid, or (2) pyrolysis of 9,10-dihydroxystearic acid Zn salt ( also by othe methods ) |
|||||||||||||||||||
451 | 2,6-Dimethylnonadecanoic Acid |
DFA7001 | Tetsuyuki Kobayashi |
C11H22O2 | 186.291 | Oil gland of natatorial bird tail.(Ref. 7114) |
||||||||||||||||||||||
452 | 2,6-Dimethylundecanoic Acid |
DFA7002 | Tetsuyuki Kobayashi |
C13H26O2 | 214.344 | Tail oil gland of natatorial bird.(Ref. 7114) |
||||||||||||||||||||||
453 | 2,6-Dimethyldodecanoic Acid |
DFA7003 | Tetsuyuki Kobayashi |
C14H28O2 | 228.371 | Tail oil gland of natatorial bird.(Ref. 7114) |
||||||||||||||||||||||
454 | 4,8-Dimethyldodecanoic Acid |
DFA7004 | Tetsuyuki Kobayashi |
C14H28O2 | 228.371 | |||||||||||||||||||||||
455 | 4,12-Dimethyltridecanoic Acid |
DFA7005 | Tetsuyuki Kobayashi |
C15H30O2 | 242.398 | |||||||||||||||||||||||
456 | 2,6-Dimethyltetradecanoic Acid |
DFA7006 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | |||||||||||||||||||||||
457 | 2,8-Dimethyltetradecanoic Acid |
DFA7007 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | |||||||||||||||||||||||
458 | 2,6-Dimethylpentadecanoic Acid |
DFA7008 | Tetsuyuki Kobayashi |
C17H34O2 | 270.451 | |||||||||||||||||||||||
459 | 4,8-Dimethylpentadecanoic Acid |
DFA7009 | Tetsuyuki Kobayashi |
C17H34O2 | 270.451 | Gas chromatography (Ref. 7145) |
||||||||||||||||||||||
460 | 2,6-Dimethylhexadecanoic Acid |
DFA7010 | Tetsuyuki Kobayashi |
C18H36O2 | 284.477 | |||||||||||||||||||||||
461 | 4,8-Dimethylhexadecanoic Acid |
DFA7011 | Tetsuyuki Kobayashi |
C18H36O2 | 284.477 | |||||||||||||||||||||||
462 | 2,14-Dimethylhexadecanoic Acid |
DFA7012 | Tetsuyuki Kobayashi |
C18H36O2 | 284.477 | Harderian gland of guinea pig.(Ref. 7146) |
||||||||||||||||||||||
463 | 4,14-Dimethylhexadecanoic Acid |
DFA7013 | Tetsuyuki Kobayashi |
C18H36O2 | 284.477 | Gas chromatography (Ref. 7145) |
||||||||||||||||||||||
464 | 6,14-Dimethylhexadecanoic Acid |
DFA7014 | Tetsuyuki Kobayashi |
C18H36O2 | 284.477 | Gas chromatography (Ref. 7145) |
||||||||||||||||||||||
465 | 4,14-Dimethylheptadecanoic Acid |
DFA7015 | Tetsuyuki Kobayashi |
C19H38O2 | 298.504 | Harderian gland of guinea pig.(Ref. 7146) |
||||||||||||||||||||||
466 | 2,14-Dimethyloctadecanoic Acid |
DFA7016 | Tetsuyuki Kobayashi |
C20H40O2 | 312.530 | Harderian gland of guinea pig.(Ref. 7146) |
||||||||||||||||||||||
467 | 4,14-Dimethyloctadecanoic Acid |
DFA7017 | Tetsuyuki Kobayashi |
C20H40O2 | 312.530 | Harderian gland of guinea pig.(Ref. 7146) |
||||||||||||||||||||||
468 | 6,14-Dimethyloctadecanoic Acid |
DFA7018 | Tetsuyuki Kobayashi |
C20H40O2 | 312.530 | Harderian gland of guinea pig.(Ref. 7146) |
||||||||||||||||||||||
469 | 4,16-Dimethyloctadecanoic Acid |
DFA7019 | Tetsuyuki Kobayashi |
C20H40O2 | 312.530 | Harderian gland of guinea pig.(Ref. 7146) |
||||||||||||||||||||||
470 | 6,16-Dimethyloctadecanoic Acid |
DFA7020 | Tetsuyuki Kobayashi |
C20H40O2 | 312.530 | Harderian gland of guinea pig.(Ref. 7146) |
||||||||||||||||||||||
471 | 2-Methylundecanoic Acid |
DFA7021 | Tetsuyuki Kobayashi |
C12H24O2 | 200.318 | 13C |
140-142C/2mmHg(Ref. 7147) |
h25/D=1.4397(Ref. 7147) |
Tail oil gland of natatorial bird.(Ref. 7148) |
|||||||||||||||||||
472 | 3-Methylundecanoic Acid |
DFA7022 | Tetsuyuki Kobayashi |
C12H24O2 | 200.318 | 147.5-148C/2mmHg(Ref. 7147) |
D20/ =0.8906, D25/ =0.8868,D30/ =0.8832, d20/ =0.8906, d25/ =0.8868, d30 /=0.8832, d35/ =0.8795(Ref. 7147) |
h25/D=1.4389(Ref. 7147) |
D20/ =0.8906, D25/ =0.8868,D30/ =0.8832, d20/ =0.8906, d25/ =0.8868, d30 /=0.8832, d35/ =0.8795(Ref. 7147) |
|||||||||||||||||||
473 | 4-Methylundecanoic Acid |
DFA7023 | Tetsuyuki Kobayashi |
C12H24O2 | 200.318 | 158-162C/12mmHg(Ref. 7147) |
h25/D=1.4393(Ref. 7147) |
|||||||||||||||||||||
474 | 5-Methylundecanoic Acid |
DFA7024 | Tetsuyuki Kobayashi |
C12H24O2 | 200.318 | 153-154C/6mmHg (Ref. 7147) |
||||||||||||||||||||||
475 | 6-Methylundecanoic Acid |
DFA7025 | Tetsuyuki Kobayashi |
C12H24O2 | 200.318 | 173-174C/11mmHg (Ref. 7147) |
Placenta oil.(Ref. 7145) |
|||||||||||||||||||||
476 | 8-Methylundecanoic Acid |
DFA7026 | Tetsuyuki Kobayashi |
C12H24O2 | 200.318 | 170-172C/10mmHg (Ref. 7147) |
h25/D=1.4420 (Ref. 7147) |
Placenta oil.(Ref. 7145) |
||||||||||||||||||||
477 | 9-Methylundecanoic Acid |
DFA7027 | Tetsuyuki Kobayashi |
C12H24O2 | 200.318 | -1.8C(Ref. 7147) |
170-171C/10mmHg (Ref. 7147) |
|||||||||||||||||||||
478 | Isolauric Acid |
10-Methylundecanoic Acid |
DFA7028 | Tetsuyuki Kobayashi |
C12H24O2 | 200.318 | 41.2C(Ref. 7147) |
140-145C/3mmHg(Ref. 7147) |
Wool oil, butter, sheep oil, cattle oil, whale oil.(Ref. 7149) |
|||||||||||||||||||
479 | 2-Methyldodecanoic Acid |
DFA7029 | Tetsuyuki Kobayashi |
C13H26O2 | 214.344 | 23.3-24.1C(Ref. 7147) |
140-142C/1.6mmHg(Ref. 7147) |
h25/D=1.4401(Ref. 7147) |
||||||||||||||||||||
480 | 3-Methyldodecanoic Acid |
DFA7030 | Tetsuyuki Kobayashi |
C13H26O2 | 214.344 | 22C (Ref. 7147) |
149-154C/5mmHg (Ref. 7147) |
h25/D=1.4400 (Ref. 7147) |
||||||||||||||||||||
481 | 4-Methyldodecanoic Acid |
DFA7031 | Tetsuyuki Kobayashi |
C13H26O2 | 214.344 | 174-176C/14mmHg (Ref. 7147) |
||||||||||||||||||||||
482 | 5-Methyldodecanoic Acid |
DFA7032 | Tetsuyuki Kobayashi |
C13H26O2 | 214.344 | 163-166C/11mmHg (Ref. 7147) |
||||||||||||||||||||||
483 | 6-Methyldodecanoic Acid |
DFA7033 | Tetsuyuki Kobayashi |
C13H26O2 | 214.344 | 176-178C/10mmHg(Ref. 7147) |
Placenta oil.(Ref. 7145) |
|||||||||||||||||||||
484 | 7-Methyldodecanoic Acid |
DFA7034 | Tetsuyuki Kobayashi |
C13H26O2 | 214.344 | 176-178C/10mmHg(Ref. 7147) |
||||||||||||||||||||||
485 | 8-Methyldodecanoic Acid |
DFA7035 | Tetsuyuki Kobayashi |
C13H26O2 | 214.344 | 179-181C/10mmHg (Ref. 7147) |
Placenta oil.(Ref. 7145) |
|||||||||||||||||||||
486 | 9-Methyldodecanoic Acid |
DFA7036 | Tetsuyuki Kobayashi |
C13H26O2 | 214.344 | 176-178C/12mmHg (Ref. 7147) |
||||||||||||||||||||||
487 | 2-Methyltridecanoic Acid |
DFA7037 | Tetsuyuki Kobayashi |
C14H28O2 | 228.371 | 182-184C/11mmHg (Ref. 7147) |
h25/D=1.4437(Ref. 7147) |
|||||||||||||||||||||
488 | 4-Methyltridecanoic Acid |
DFA7038 | Tetsuyuki Kobayashi |
C14H28O2 | 228.371 | 160-162C/10mmHg(Ref. 7147) |
||||||||||||||||||||||
489 | Isobutyric Acid |
2-Methyl-Propanoic Acid |
DFA7039 | Tetsuyuki Kobayashi |
C4H8O2 | 88.105 | -47 |
84.8-85.1/50mmHg, 153.5-153.8C/750.3 |
1.024(-60C)-0.6982(240C),D20/4 : 0.9490 |
Methyl: 2979, 2939cm-1/methyl, methylene: 2880, 2850cm-1 (Ref. 7002) |
m/e: 88, 73, 55, 45, 44, 43, 42, 41, 39(Ref. 7003) 1.024(-60C)-0.6982(240C),D20/4 : 0.9490 |
Synthesized by oxidation of isobutyric alcohol with sulfuric acid and potassium bichromate. |
||||||||||||||||
490 | a-Methyl-Butyric Acid |
2-Methyl-Butanoic Acid |
DFA7040 | Tetsuyuki Kobayashi |
C5H10O2 | 102.132 | 174C, 86.5-87.5C/26mmHg (Ref. 7027) |
D20/4: 0.938(S), D20/4: 0.934(R) (Ref. 7027) |
D20/4: 0.938(S), D20/4: 0.934(R) (Ref. 7027) |
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491 | Pivalic Acid |
2,2-Dimethyl-Propanoic Acid |
DFA7041 | Tetsuyuki Kobayashi |
C5H10O2 | 102.132 | 35.5-35.7C |
163.7-163.9C/760mmHg, 76.5C/20mmHg |
D18/4: 0.8580 |
h25/D: 1.4030 (Ref. 7004) |
n: 2907, 1704, 1433cm-1 (Ref. 7038) |
D18/4: 0.8580 |
Isobutylene was treated with concentrated sulfuric acid, carbon monooxide and H2O. |
|||||||||||||||
492 | 2-Methyl Valeric Acid |
2-Methyl-Pentanoic Acid |
DFA7042 | Tetsuyuki Kobayashi |
C6H12O2 | 116.158 | 192C/750mmHg (Ref. 7031) |
D20/4: 0.9309 (Ref. 7031) |
h20/D: 1.4170 (Ref. 7031) |
D20/4: 0.9309 (Ref. 7031) |
||||||||||||||||||
493 | 3-Methyl Valeric Acid |
3-Methyl-Pentanoic Acid |
DFA7043 | Tetsuyuki Kobayashi |
C6H12O2 | 116.158 | 196-198C/770mmHg(S), 105C/30mmHg(S),88-91 |
D25/: 0.923(S), D24/4: 0.924(R) <7032>> |
h25/D: 1.4152(S) (Ref. 7032) |
D25/: 0.923(S), D24/4: 0.924(R) <7032>> |
||||||||||||||||||
494 | Isocaproic Acid |
3-Methyl-Pentanoic Acid |
DFA7044 | Tetsuyuki Kobayashi |
C6H12O2 | 116.158 | -33C (Ref. 7034) |
201C/761mmHg, 118-120C/20mmHg, 102-104 |
D:0.9535(-20C)-0.6744(280C), D20/20:0.9192 (Ref. 7035) |
h20/D: 1.4146, h25/D: 1.4124 (Ref. 7035) |
D:0.9535(-20C)-0.6744(280C), D20/20:0.9192 (Ref. 7035) |
|||||||||||||||||
495 | Diethyl-Acetic Acid |
2-Ethyl-Butanoic Acid |
DFA7045 | Tetsuyuki Kobayashi |
C6H12O2 | 116.158 | -31.8C (Ref. 7034) |
192.6C/754mmHg, 90-91C/13mmHg (Ref. 7034) |
D20/4: 0.9239 (Ref. 7034) |
h20/D: 1.4132 (Ref. 7034) |
D20/4: 0.9239 (Ref. 7034) |
|||||||||||||||||
496 | Dimethyl-Ethyl-Acetic Acid |
2,2-Dimethyl-Butanoic Acid |
DFA7046 | Tetsuyuki Kobayashi |
C6H12O2 | 116.158 | 104-105C/32mmHg, 94-96C/15mmHg,186C/752mmHg |
h20/D: 1.4142, h25/D: 1.4127 (Ref. 7039) |
||||||||||||||||||||
497 | 3,3-Dimethyl-Butanoic Acid |
DFA7047 | Tetsuyuki Kobayashi |
C6H12O2 | 116.158 | 6-7C |
184.2-184.5C/763-764mmHg, 98-99C/25mmHg (Ref. 7040) |
D20/4: 0.915 (Ref. 7041) |
h20/D: 1.4110, h25/D: 1.4084 (Ref. 7041) |
D20/4: 0.915 (Ref. 7041) |
||||||||||||||||||
498 | 2-Methyl-Hexanoic Acid |
DFA7048 | Tetsuyuki Kobayashi |
C7H14O2 | 130.185 | 207-208C/737mmHg, 216.5-218C,112C/13mmHg (Ref. 7042) |
D25/4: 0.7962 (Ref. 7043) |
h25/D: 1.4062(Ref. 7043) |
D25/4: 0.7962 (Ref. 7043) |
|||||||||||||||||||
499 | 3-Methyl-Hexanoic Acid |
DFA7049 | Tetsuyuki Kobayashi |
C7H14O2 | 130.185 | 96C/4mmHg(R), 93C/5mmHg(S) (Ref. 7044) |
D22/4: 0.913(S) (Ref. 7045) |
h18/D: 1.4308(R), h21/D : 1.4212(S) (Ref. 7045) |
D22/4: 0.913(S) (Ref. 7045) |
|||||||||||||||||||
500 | 4-Methyl-Hexanoic Acid |
DFA7050 | Tetsuyuki Kobayashi |
C7H14O2 | 130.185 | 112C/9mmHg(S) (Ref. 7047) |
D20/4: 0.9215 (Ref. 7048) |
h25/D: 1.4232(S) (Ref. 7047) |
D20/4: 0.9215 (Ref. 7048) |
|||||||||||||||||||
501 | 5-Methyl-Hexanoic Acid |
DFA7051 | Tetsuyuki Kobayashi |
C7H14O2 | 130.185 | 211-215C/760mmHg,120C/24mmHg,101-102C/11mmHg |
h25/D: 1.4199, h20/D: 1.4220 (Ref. 7049) |
|||||||||||||||||||||
502 | a-Ethyl-Valeric Acid |
2-Ethyl-Pentanoic Acid |
DFA7052 | Tetsuyuki Kobayashi |
C7H14O2 | 130.185 | 209-210C (Ref. 7050) |
h22/D: 1.4180 (Ref. 7050) |
||||||||||||||||||||
503 | a,a-Dimethyl-Valeric Acid |
2,2-Dimethyl-Pentanoic Acid |
DFA7053 | Tetsuyuki Kobayashi |
C7H14O2 | 130.185 | 199-200C,111C/20mmHg,101-102C/11mmHg (Ref. 7051) |
h20/D: 1.4210 (Ref. 7051) |
||||||||||||||||||||
504 | b,b-Dimethyl-Valeric Acid |
3,3-Dimethyl-Pentanoic Acid |
DFA7054 | Tetsuyuki Kobayashi |
C7H14O2 | 130.185 | 203-204C (Ref. 7052) |
D25/: 0.9348, D20/4: 0.9246 (Ref. 7052) |
h25/D: 1.4280, h20/D: 1.4238 (Ref. 7052) |
D25/: 0.9348, D20/4: 0.9246 (Ref. 7052) |
||||||||||||||||||
505 | a-Ethyl Caproic Acid |
2-Ethylhexoic Acid |
DFA7055 | Tetsuyuki Kobayashi |
C8H16O2 | 144.211 | 227.6C/760mmHg, 117-119C/15mmHg(S) (Ref. 7053) |
D17/4: 0.908(S), D32/4: 0.8954(Ref. 7053) |
h25/D: 1.4231(S), h30/D: 1.4195 (Ref. 7053) |
1724, 1449, 1351, 1266, 1235, 943cm-1(Ref. 7008) |
D17/4: 0.908(S), D32/4: 0.8954(Ref. 7053) |
|||||||||||||||||
506 | 2-Methyloctanoic Acid |
DFA7056 | Tetsuyuki Kobayashi |
C9H18O2 | 158.238 | 163C/2mmHg, 244-246C/760mmHg (Ref. 7054) |
D0/4: 0.9098, D18/: 0.90325 (Ref. 7054) |
h25/D: 1.4274 (Ref. 7055) |
D0/4: 0.9098, D18/: 0.90325 (Ref. 7054) |
|||||||||||||||||||
507 | 2-Methylnonaoic Acid |
DFA7057 | Tetsuyuki Kobayashi |
C10H20O2 | 172.265 | 149C/14mmHg, 115-117C/3mmHg (Ref. 7056) |
D23/4: 0.895(R)(Ref. 7057) |
h25/D: 1.4312(R) (Ref. 7057) |
D23/4: 0.895(R)(Ref. 7057) |
|||||||||||||||||||
508 | 2-Methyldecanoic Acid |
DFA7058 | Tetsuyuki Kobayashi |
C11H22O2 | 186.291 | 127C/1.5mmHg, 135-137C/4mmHg (Ref. 7058) |
||||||||||||||||||||||
509 | 2-Methyltetradecanoic Acid |
DFA7059 | Tetsuyuki Kobayashi |
C15H30O2 | 242.398 | 36.5C (Ref. 7061) |
172-175C/2-3mmHg (Ref. 7062) |
|||||||||||||||||||||
510 | 2-Methylhexadecanoic Acid |
DFA7060 | Tetsuyuki Kobayashi |
C17H34O2 | 270.451 | 45.5-46.5C, 47.5-48C (Ref. 7065) |
174-177C/1-2mmHg (Ref. 7062) |
|||||||||||||||||||||
511 | l-Isostearic Acid |
2-Methylheptadecanoic Acid |
DFA7061 | Tetsuyuki Kobayashi |
C18H36O2 | 284.477 | 49-49.5C (Ref. 7068) |
180C/2mmHg (Ref. 7068) |
||||||||||||||||||||
512 | Neostearic Acid |
15,15-Dimethylhexadecanoic Acid |
DFA7062 | Tetsuyuki Kobayashi |
C18H36O2 | 284.477 | 49.8-50.2C (Ref. 7009) |
145-153C/0.05Torr (Ref. 7009) |
1704(C=O)cm-1, 1455, 1414, 1366cm-1(Ref. 7009) |
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513 | 2-Methyloctadecanoic Acid |
DFA7063 | Tetsuyuki Kobayashi |
C19H38O2 | 298.504 | 54.7-55C(R), 54.6-55.1C (Ref. 7070) |
176C/0.5mmHg (Ref. 7071) |
D: 1.015(SOLID)(R), 0.998 (Ref. 7072) |
carboxyl: l max 213, e max 67.2(Ref. 7011) |
-1700cm-1(C=O), 1379cm-1, 1294cm-1, 1236cm-1(Ref. 7010) |
D: 1.015(SOLID)(R), 0.998 (Ref. 7072) |
|||||||||||||||||
514 | 17-Methyloctadecanoic Acid |
DFA7064 | Tetsuyuki Kobayashi |
C19H38O2 | 298.504 | 66.5-67C (Ref. 7073) |
180C/0.3mmHg (Ref. 7073) |
D70/4: 0.8420 (Ref. 7074) |
h70/D: 1.4336 (Ref. 7074) |
-1700cm-1(C=O), 1379cm-1, 1284cm-1, 1236cm-1(Ref. 7010) |
D70/4: 0.8420 (Ref. 7074) |
|||||||||||||||||
515 | b,b-Dimethylacrylic Acid |
3-Methyl-2-Butenoic Acid |
DFA7065 | Tetsuyuki Kobayashi |
C5H8O2 | 100.116 | 69.5-70.5C (Ref. 7079) |
l max : 216nm, emax: 10000 (Ref. 7015) |
C=O: 1689cm-1, 1645, 1342, 1292, 1258, 1176, 1110, 1073, 929, 855cm-1(Ref. 7014) |
|||||||||||||||||||
516 | 4-Methyl-4-Pentenoic Acid |
DFA7066 | Tetsuyuki Kobayashi |
C6H10O2 | 114.142 | -3C (Ref. 7035) |
76-82C/2mmHg, 93-94C/9mmHg (Ref. 7035) |
D20/4: 0.9863(Ref. 7035) |
h20/D: 1.4380 (Ref. 7035) |
D20/4: 0.9863(Ref. 7035) |
||||||||||||||||||
517 | 2,2-Dimethyl-3-Butenoic Acid |
DFA7067 | Tetsuyuki Kobayashi |
C6H10O2 | 114.142 | 100-102C/28mmHg(Ref. 7016) |
h20/D: 1.4295(016), h25/D: 1.4272(Ref. 7017) |
|||||||||||||||||||||
518 | (Z)2-Methyl-2-Hexenoic Acid |
DFA7068 | Tetsuyuki Kobayashi |
C7H12O2 | 128.169 | 110C/10mmHg(Ref. 7012) |
h25/D: 1.4525(Ref. 7012) |
lmax: 218nm, emax: 8780(Ref. 7012) |
1637, 1462, 1420, 1285, 1250cm-1, 1232, 1171, 1101, 1072, 1047, 948cm-1(Ref. 7012) |
|||||||||||||||||||
519 | (E)2-Methyl-2-Hexenoic Acid |
DFA7069 | Tetsuyuki Kobayashi |
C7H12O2 | 128.169 | 118-119C/11mmHg (Ref. 7012) |
h25/D: 1.4602(Ref. 7012) |
lmax : 217nm, emax : 13580(Ref. 7012) |
1642, 1460, 1422, 1289, 1258cm-1, 1227, 1163, 1101, 1059, 1031cm-1, 935,917cm-1(Ref. 7012) |
|||||||||||||||||||
520 | (E)2-Methyl-2-Heptenoic Acid |
DFA7070 | Tetsuyuki Kobayashi |
C8H14O2 | 142.196 | 129.5-131C/11mmHg (Ref. 7012) |
h25/D: 1.4605(Ref. 7012) |
C=C: 1638cm-1 (Ref. 7012) |
||||||||||||||||||||
521 | 6-Methyl-5-Octenoic Acid |
DFA7071 | Tetsuyuki Kobayashi |
C9H16O2 | 156.222 | 153C/24mmHg (Ref. 7018) |
D22/4: 0.932 (Ref. 7018) |
h22/D: 1.4518(Ref. 7018) |
D22/4: 0.932 (Ref. 7018) |
|||||||||||||||||||
522 | Citronellic Acid |
3,7-Dimethyl-6-Octenoic Acid |
DFA7072 | Tetsuyuki Kobayashi |
C10H18O2 | 170.249 | 119C/3mmHg(R), 90-93C/0.05mmHg() (Ref. 7019) |
""D20/4: 0.9255(R), D21/4: 0.9234() (Ref. 7019) |
h20/D: 1.4530(R), h21/D: 1.4517() (Ref. 7019) |
""D20/4: 0.9255(R), D21/4: 0.9234() (Ref. 7019) |
||||||||||||||||||
523 | 3,7-Dimethyl-2-Octenoic Acid |
DFA7073 | Tetsuyuki Kobayashi |
C10H18O2 | 170.249 | 140C/15mmHg, 108-112C/2.5mmHg (Ref. 7020) |
D18/4: 0.931 (Ref. 7080) |
h18/D: 1.4542 (Ref. 7080) |
lmax: 218nm, loge: 4.04 (Ref. 7020) |
D18/4: 0.931 (Ref. 7080) |
||||||||||||||||||
524 | 5-Methyl-2-Undecenoic Acid |
DFA7074 | Tetsuyuki Kobayashi |
C12H22O2 | 198.302 | 162-163C/7mmHg (Ref. 7021) |
h25/D: 1.4596 (Ref. 7021) |
lmax: 210nm, emax: 13160(Ref. 7021) |
C=O: 1704cm-1, C=C: 1653cm-1, Methyl: 1379cm-1(Ref. 7022) |
|||||||||||||||||||
525 | 2-Methyl-2-Dodecenoic Acid |
DFA7075 | Tetsuyuki Kobayashi |
C13H24O2 | 212.328 | 33C (Ref. 7023) |
146-147C/1.4mmHg (Ref. 7081) |
h25/D: 1.4698 (Ref. 7023) |
l%max: 218nm, emax: 11330(Ref. 7023) |
C=O: 1692cm-1, C=C: 1645cm-1, Methyl: 1379cm-1(Ref. 7022) |
||||||||||||||||||
526 | (E)5-Methyl-2-Tridecenoic Acid |
DFA7076 | Tetsuyuki Kobayashi |
C14H26O2 | 226.355 | 168-170C/2.5mmHg (Ref. 7024) |
D25/4: 0.908 (Ref. 7024) |
h25/D: 1.4620 (Ref. 7024) |
lmax: 210nm, emax: 13900(Ref. 7024) |
D25/4: 0.908 (Ref. 7024) |
||||||||||||||||||
527 | (E)2,5-Dimethyl-2-Tridecenoic Acid |
DFA7077 | Tetsuyuki Kobayashi |
C15H28O2 | 240.382 | 182C/3mmHg (Ref. 7024) |
h25/D: 1.4663 (Ref. 7024) |
lmax: 218.5nm, emax: 14870(Ref. 7024) |
||||||||||||||||||||
528 | Isopropenylacetic Acid |
3-Methyl-3-Butenoic Acid |
DFA7078 | Tetsuyuki Kobayashi |
C5H8O2 | 100.116 | 92-93C/29-30mmHg(Ref. 7082) |
3-Methyl-3-butanoic acid is prepared from b-methallyl chloride and carbon dioxide in the presence of magnesium(Ref. 7082). |
||||||||||||||||||||
529 | 2-Ethyl Acrylic Acid |
2-Ethyl-2-Propenoic Acid |
DFA7079 | Tetsuyuki Kobayashi |
C5H8O2 | 100.116 | -15 - -16C(Ref. 7083) |
D25/4 = 0.991(Ref. 7083) |
D25/4 = 0.991(Ref. 7083) |
2-Ethyl-2-propenoic acid is prepared from a-hydroxy-methylbutyronitrile and sodium hydroxide(Ref. 7083). |
||||||||||||||||||
530 | 3-Isopropyl Acrylic Acid |
4-Methyl-2-Pentenoic Acid |
DFA7080 | Tetsuyuki Kobayashi |
C6H10O2 | 114.142 | -25C(Ref. 7086) |
114 - 116C/17mmHg (Ref. 7087) |
h21/D = 1.454(Ref. 7087) |
4-Methyl-2-pentenoic acid is prepared from isobutyraldehyde and malonic acid(Ref. 7113). |
||||||||||||||||||
531 | 3-Methyl-4-Pentenoic Acid |
DFA7081 | Tetsuyuki Kobayashi |
C6H10O2 | 114.142 | 5.85, 6.09, 10.06, 10.91m(Ref. 7089) |
3-methyl-4-pentenoic acid is obtained by fractionating a mixture of ethyl b-ethoxyacrylate and crotyl alcohol, followed by saponification (Ref. 7089). |
|||||||||||||||||||||
532 | 3-Methyl-2-Pentenoic Acid |
DFA7082 | Tetsuyuki Kobayashi |
C6H10O2 | 114.142 | 13 - 14C(Ref. 7090) |
D20 = 0.9851 (Ref. 7090) |
h20/D = 1.4651 (Ref. 7090) |
D20 = 0.9851 (Ref. 7090) |
3-Methyl-2-pentenoic acid was prepared from 3-methyl-3-hydroxy pentenoic acid (Ref. 7090). |
||||||||||||||||||
533 | 3-Methyl-3-Pentenoic Acid |
DFA7083 | Tetsuyuki Kobayashi |
C6H10O2 | 114.142 | 14.5 - 15.5C (Ref. 7091) |
40hC/0.005mmHg(Ref. 7091) |
3-Methyl-3-pentenoic acid is obtained from isomerization of 3-methyl-2-pentenoic acid with 25% koh, followed by separation of the isomer(Ref. 7114). |
||||||||||||||||||||
534 | Trimethyl Acrylic Acid |
2,3-Dimethyl-Crotonic Acid |
DFA7084 | Tetsuyuki Kobayashi |
C6H10O2 | 114.142 | 70 - 71C(Ref. 7092) |
104C/13mmHg(Ref. 7092) |
lmax 221nm(e9700 in c2h5oh)(Ref. 7092) |
2,3-Dimethyl-crotonic acid was prepared from 2-brom-3-methyl-2-butene with lithium (Ref. 7092). |
||||||||||||||||||
535 | 5-Methyl-5-Hexenoic Acid |
DFA7085 | Tetsuyuki Kobayashi |
C7H12O2 | 128.169 | 109C/12mmHg (Ref. 7093) |
D21/4 = 0.9507 ,(Ref. 7093) |
h21/D = 1.4422 (Ref. 7093) |
D21/4 = 0.9507 ,(Ref. 7093) |
5-Methyl-5-hexenoic acid was prepared from 2-(methane sulfonyloxymethyl)-2-methyl-cyclopentanone and koh (Ref. 7093). |
||||||||||||||||||
536 | 2-Butyl-Acrylic Acid |
DFA7086 | Tetsuyuki Kobayashi |
C7H12O2 | 128.169 | 111 - 111.5C/10mmHg (Ref. 7012) |
h25/D = 1.4435 (Ref. 7012) |
lmax 208.5mm(emax 8,480)(Ref. 7012) |
6.13vs, 6.93vs, 7.77vs, 7.95s, 8.15vs, 8.43s, 8.55s, 9.2m, 10.54vs (Ref. 7012) |
2-Butyl-acrylic acid was prepared from 2-butyl-acrylic acid terriary butyl ester (Ref. 7012). |
||||||||||||||||||
537 | 4,4-Dimethyl-2(E)-Pentenoic Acid |
DFA7087 | Tetsuyuki Kobayashi |
C7H12O2 | 128.169 | 62 - 63C (Ref. 7094) |
4,4-Dimethyl-2(E)-pentenoic acid was prepared from pivalinaldehyde and malonic acid(Ref. 7094). |
|||||||||||||||||||||
538 | 4,4-Dimethyl-2(Z)-Pentenoic Acid |
DFA7088 | Tetsuyuki Kobayashi |
C7H12O2 | 128.169 | 11 - 12C (Ref. 7086) |
60 - 61C/0.8mmHg(Ref. 7086) |
h25/D = 1.4432 (Ref. 7086) |
4,4-Dimethyl-2(Z)-pentenoic acid is prepared from 1,3-dibromo-4,4-dimethyl-2-pentanone (Ref. 7086). |
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539 | 2,2-Dimethyl-4-Pentenoic Acid |
DFA7089 | Tetsuyuki Kobayashi |
C7H12O2 | 128.169 | 92 - 93C/8.5mmHg (Ref. 7095) |
h20/D = 1.4338 (Ref. 7095) |
2,2-Dimethyl-4-pentenoic acid was prepared from 2,2-dimethyl-4-pentenal with koh (Ref. 7095). |
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540 | 2-Isopropyl-E-Crotonic Acid |
2-Isopropyl-2(E)-Butenoic Acid |
DFA7090 | Tetsuyuki Kobayashi |
C7H12O2 | 128.169 | 54.5C (Ref. 7096) |
2-Isopropyl-2-(E)-butenoic acid is prepared from the rection of 2-isopropyl-3-hydroxybutenoic acid ethyl with phosphorus pentoxide, followed by saponification (Ref. 7096). |
||||||||||||||||||||
541 | 3-Isopropyl-3-Butenoic Acid |
DFA7091 | Tetsuyuki Kobayashi |
C7H12O2 | 128.169 | -72C (Ref. 7097) |
80C/2mmHg (Ref. 7097) |
D25/4 = 0.9480(Ref. 7097) |
h25/D = 1.4380 (Ref. 7097) |
D25/4 = 0.9480(Ref. 7097) |
3-Isopropyl-3-butenoic acid is prepared from 2,3-dimethyl-1-butene, pentylnatrium and CO2 (Ref. 7097). |
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542 | 6-Methyl-5-Heptenoic Acid |
DFA7092 | Tetsuyuki Kobayashi |
C8H14O2 | 142.196 | 129 - 130C/12mmHg (Ref. 7098) |
D20/4 = 0.937 (Ref. 7018) |
h20/D = 1.4484 (Ref. 7018) |
D20/4 = 0.937 (Ref. 7018) |
6-Methyl-5-heptenoic acid is prepared from 5-methyl-4-hexenylmagnesium and CO2 (Ref. 7098). |
||||||||||||||||||
543 | 2-Ethyl-3(E)-Hexenoic Acid |
DFA7093 | Tetsuyuki Kobayashi |
C8H14O2 | 142.196 | 125 - 128C/15mmHg (Ref. 7099) |
D22.5/4 = 0.967(Ref. 7099) |
h22.5/D = 1.4510(Ref. 7099) |
5.5 - 6.5mm, 10 - 13.5mm(Ref. 7099) |
D22.5/4 = 0.967(Ref. 7099) |
2-Ethyl-3(E)-hexenoic acid is prepared from 2-ethyl-3-hexenal, silber nitrare and NAOH (Ref. 7099). |
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544 | 3-Tert-Butyl-3-Butenoic Acid |
DFA7094 | Tetsuyuki Kobayashi |
C8H14O2 | 142.196 | 26.5 - 27.5C (Ref. 7097) |
70C/1mmHg (Ref. 7097) |
D25/4 = 0.9412(Ref. 7097) |
h25/D = 1.4440 (Ref. 7097) |
D25/4 = 0.9412(Ref. 7097) |
3-Tertiary butyl-3-butenoic acid is prepared from 2,3,3-trimethyl-1-butene, pentylnatrium and CO2 (Ref. 7097). |
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545 | 2-Amyl-3-Butenoic Acid |
2-Pentyl-3-Butenoic Acid |
DFA7095 | Tetsuyuki Kobayashi |
C9H16O2 | 156.222 | 128C/11mmHg (Ref. 7100) |
D25/4 = 0.9183(Ref. 7097) |
h25/D = 1.4387 (Ref. 7097) |
D25/4 = 0.9183(Ref. 7097) |
2-Pentyl-3-butenoic acid is prepared from the bromination of 1-octene, followed by the reaction with magnesium and carbon dioxide (Ref. 7100). |
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546 | 3-Methyl-2-Nonenoic Acid |
DFA7096 | Tetsuyuki Kobayashi |
C10H18O2 | 170.249 | 113 - 114C/1mmHg (Ref. 7011) |
h25/D = 1.4648 (Ref. 7011) |
lmax 219mm (Ref. 7011) |
5.90(C=O), 6.10(C=C) (Ref. 7022) |
3-Methyl-2-nonenoic acid is prepared from 3-hydroxy-3-methyl-pelargonic acid and acetanhydride (Ref. 7115). |
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547 | 2,7-Dimethyl-6-Octenoic Acid |
DFA7097 | Tetsuyuki Kobayashi |
C10H18O2 | 170.249 | 146 - 147C/13mmHg (Ref. 7101) |
D16/4 = 0.9257 (Ref. 7101) |
h16/D = 1.4502 (Ref. 7101) |
D16/4 = 0.9257 (Ref. 7101) |
2,7-Dimethyl-6-octenoic acid was prepared from methyl-(5-methyl-4-hexenyl)-malonic acid diethyl and koh (Ref. 7101). |
||||||||||||||||||
548 | 2,7-Dimethyl-6-Nonenoic Acid |
DFA7098 | Tetsuyuki Kobayashi |
C11H20O2 | 184.275 | 125 - 126C/3mmHg (Ref. 7018) |
D27/4 = 0.929 (Ref. 7018) |
h27/D = 1.4532 (Ref. 7018) |
D27/4 = 0.929 (Ref. 7018) |
2,7-dimethyl-6-nonenoic acid is prepared from methyl-(5-methyl-4-heptenyl)-malonic acid dimethyl and KOH (Ref. 7107). |
||||||||||||||||||
549 | 4-Ethyl-2-Methyl-2-Octenoic Acid |
DFA7099 | Tetsuyuki Kobayashi |
C11H20O2 | 184.275 | 141 - 142C/4.6mmHg (Ref. 7102) |
h25/D = 1.4628 (Ref. 7102) |
200 - 270nm (Ref. 7102) |
4-Ethyl-2-methyl-2-octenoic acid was prepared from the reaction of 4-ethyl-3-hydroxy-2-methyl-octanoic acid ethyl and phosphoryl chloride, followed by heating with sulfuric acid (Ref. 7102). |
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550 | 2,4-Dimethyl-2-(E)-Dodecenoic Acid |
DFA7100 | Tetsuyuki Kobayashi |
C14H26O2 | 226.355 | D25 = 0.901 (Ref. 7103) |
h25/D = 1.4636 (Ref. 7103) |
lmax 217nm (Ref. 7103) |
D25 = 0.901 (Ref. 7103) |
2,4-Dimethyl-2-(E)-dodecenoic acid is prepared from 2,4-dimethyl-2-(E)-dodecenoic acid methyl (Ref. 7103). |
||||||||||||||||||
551 | 2,4-Dimethyl-2(E)-Tetradecenoic Acid |
DFA7101 | Tetsuyuki Kobayashi |
C16H30O2 | 254.408 | 176 - 177C/1.5mmHg (Ref. 7102) |
h25/D = 1.4634 (Ref. 7102) |
lmax 219nm (Ref. 7102) |
10.08, 12.38, 13.33, 15.03m(Ref. 7102) |
2,4-Dimethyl-2-(E)-tetradecenoic acid was prepared from the reation of 2-mrthyl-dodecanal with 2-bromo-propanoic acid ethyl, followed by dehydration and saponification (Ref. 7102). |
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552 | 2,4-Dimethyl-Icosenoic Acid |
DFA7102 | Tetsuyuki Kobayashi |
C22H42O2 | 338.568 | 53 - 54C (Ref. 7104) |
199 - 201C/0.1mmHg, 195 - 198C/0.15mmHg (Ref. 7104) |
Me ester: lmax 214nm |
2,4-Dimethyl-icosenoic acid is prepared from the reaction of 2-bromo-2,4-dimethyl-icosanoic acid methyl with pyridine, followed by saponification with KOH (Ref. 7104). |
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553 | 2-Propyl Octadec-9-(Z)-Enoic Acid |
DFA7103 | Tetsuyuki Kobayashi |
C21H40O2 | 324.541 | 193 - 195C/0.5 - 1mmHg (Ref. 7105) |
2-Propyl-octadec-9(Z)-enoic acid was repared from 7(Z)-hexadecenyl propyl marlonic diethyl and KOH (Ref. 7105). |
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554 | 2-Methyl-2-Icosenoic Acid |
DFA7104 | Tetsuyuki Kobayashi |
C21H40O2 | 324.541 | 66.3 - 67.6C (Ref. 7081) |
203 - 205C/2.5mmHg(Me ESTER) (Ref. 7106) |
lmax 217nm (emax 13,490) (Ref. 7081) |
C=C: 12.60m, 13.52m, 15.50m (Ref. 7106) |
2-Metyl-2-icosenoic acid was prepared from 2-methyl-2-icosenoic acid methyl (Ref. 7081). |
||||||||||||||||||
555 | Phytenoic Acid |
3,7,11,15-Tetramethyl-2(Z)-Hexadecenoic Acid |
DFA7105 | Tetsuyuki Kobayashi |
C20H38O2 | 310.515 | 210 - 220C/11.5mmHg, 174C/0.4mmHg (Ref. 7107) |
D20/4 = 0.893 (Ref. 7107) |
D20/4 = 0.893 (Ref. 7107) |
Phytenoic acid is prepared from phytol (Ref. 7107). |
||||||||||||||||||
556 | 4-Heptyl-2-Methyl-2-Undecenoic Acid |
DFA7106 | Tetsuyuki Kobayashi |
C19H36O2 | 296.488 | 183 - 184C/0.5mmHg (Ref. 7102) |
h25/D = 1.4643 (Ref. 7102) |
lmax 219nm (emax 13,800) (Ref. 7102) |
C=CH: 9.91, 12.42, 13.29, 15.01m (Ref. 7102) |
4-Heptyl-2-methyl-2-undecenoic acid is prepared from 2-bromooropanoic acid ethyl, Zn and 2-heptylnonanal (Ref. 7102). |
||||||||||||||||||
557 | 2,5-Dimethyl-2-Heptadecenoic Acid |
DFA7107 | Tetsuyuki Kobayashi |
C19H36O2 | 296.488 | 170C/0.1mmHg (Ref. 7024) |
h25/D = 1.4662 (Ref. 7024) |
lmax 218.5nm (Ref. 7024) |
2,5-Dimethyl-2-heptadecenoic acid was prepared from 2,5-dimethyl-2-heptadecenoic acid methyl (Ref. 7024). |
|||||||||||||||||||
558 | 14-Methyl-4-Pentadecenoic Acid |
DFA7108 | Tetsuyuki Kobayashi |
C16H30O2 | 254.408 | 45 -46C (Ref. 7108) |
14-Methyl-4-penttadenoic acid is obtained from oyster as glycolipid (Ref. 7108). |
|||||||||||||||||||||
559 | 2-Hexyl-2-Decenoic Acid |
DFA7109 | Tetsuyuki Kobayashi |
C16H30O2 | 254.408 | 170 - 175C/0.02mmHg (Ref. 7109) |
h19/D = 1.4642 (Ref. 7109) |
lmax 216.5nm (Ref. 7109) |
2-Hexyl-2-decenoic acid is prepared from 2-hexyl-3-hydroxy decanoic acid with acetic anhydride (Ref. 7109). |
|||||||||||||||||||
560 | 6-Isopentyl-9-Methyl-5-Decenoic Acid |
DFA7110 | Tetsuyuki Kobayashi |
C16H30O2 | 254.408 | 142 - 145C/0.2mmHg (Ref. 7110) |
h20/D = 1.4562 (Ref. 7110) |
6-Isopentyl-9-methyl-5-decenoic acid is prepared from the reaction of 9-methyl-6-oxo-decanoic acid ethyl with isopentylmagnesium bromide, followed by saponification with KOH (Ref. 7110). |
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561 | 2-Methylenedodecanoic Acid |
2-Decyl-Acrylic Acid |
DFA7111 | Tetsuyuki Kobayashi |
C13H24O2 | 212.328 | 33.3 - 34.2C (Ref. 7141) |
lmax 210nm (Ref. 7111) |
C=CH2: 10.54m (Ref. 7022) |
2-Decyl acrylic acid was prepared from the reaction of 2-methyl dodecanoic acid with phosphor chloride, followed by hydrolysis (Ref. 7023). |
||||||||||||||||||
562 | 4,4-Dimethyl-Valeric Acid |
4,4-Dimethyl-Pentanoic Acid |
DFA7112 | Tetsuyuki Kobayashi |
C7H14O2 | 130.185 | 100-102C/15mmHg,83-85C/3mmHg (Ref. 7116) |
4,4-Dimethyl valenic acid was heated with sulfuric acid and aq. sodium nitrite. |
||||||||||||||||||||
563 | 3,4-Dimethyl-Valeric Acid |
3,4-Dimethyl-Pentanoic Acid |
DFA7113 | Tetsuyuki Kobayashi |
C7H14O2 | 130.185 | 75C/2mmHg (Ref. 7097) |
D25/4=0.9239 (Ref. 7097) |
h25/D=1.4235 (Ref. 7097) |
D25/4=0.9239 (Ref. 7097) |
Treatment of 1-bromo-2, 3-dimethylbutane and magnesium in ether with carbon dioxide. |
|||||||||||||||||
564 | 2-Ethyl-2-Methyl-Butanoic Acid |
DFA7114 | Tetsuyuki Kobayashi |
C7H14O2 | 130.185 | 123-125C/27mmHg (Ref. 7039) |
h25/D = 1.4212 (Ref. 7039) |
2-Ethyl-butan-1-ol was treated with CO, water, nickel tetra carbonyl and a small amount of nickel chloride (II) in aqueous hydrochloric acid at 300C under the pressure of 1280 atm. |
||||||||||||||||||||
565 | 3-Methyl-Heptanoic Acid |
DFA7115 | Tetsuyuki Kobayashi |
C8H16O2 | 144.211 | 121C/15mmHg (Ref. 7117) |
h16/D=1.4276 (Ref. 7117) |
(1-Methyl-pentyl) malonic acid was heated at 185C(Ref. 7117). |
||||||||||||||||||||
566 | 5-Methyl-Heptanoic Acid |
DFA7116 | Tetsuyuki Kobayashi |
C8H16O2 | 144.211 | 120C/15mmHg(119), 236-238C (Ref. 7119) |
3000-2800 cm-1 (Ref. 7006) |
Diethyl (3-methyl-pentyl) malonate was heated with ethanolic KOH, then acidified(Ref. 7119). |
||||||||||||||||||||
567 | 4-Ethyl-Hexanoic Acid |
DFA7117 | Tetsuyuki Kobayashi |
C8H16O2 | 144.211 | 121-122C/10mmHg (Ref. 7120) |
D17.5/ =0.940 (Ref. 7120) |
h17.5/D=1.4412 (Ref. 7120) |
3.3-3.6m(Ref. 7119) |
D17.5/ =0.940 (Ref. 7120) |
4-Vinyl-hexa-3,5-dienoic acid was hydroxylated with Raner nickel catalyst at 25C under the pressure of 100 atm(Ref. 7120). |
|||||||||||||||||
568 | 2,2-Dimethyl-Hexanoic Acid |
DFA7118 | Tetsuyuki Kobayashi |
C8H16O2 | 144.211 | h25/D=1.4240 (Ref. 7121) |
Methyl 2,2-dimethylhexanoate was treatd with ethanolic KOH(Ref. 7121). |
|||||||||||||||||||||
569 | 2-Ethyl-2-Methyl-Valeric Acid |
2-Ethyl-2-Methyl-Pentanoic Acid |
DFA7119 | Tetsuyuki Kobayashi |
C8H16O2 | 144.211 | 115-117C/14mmHg (Ref. 7123) |
D25/ =0.9177 (Ref. 7124) |
h25/D=1.4288 (Ref. 7123) |
D25/ =0.9177 (Ref. 7124) |
1,1-diethyl-propyl 2-methylbutanoic acid was treated with liquid ammonia solution of sodium amide or potassium amide in ether. Then the product was further treated with propyl halide in ether, followed by treatment with dioxane and conc. hydrochloric acid(Ref. 7123). |
|||||||||||||||||
570 | 2-Isopropyl-Hexanoic Acid |
DFA7120 | Tetsuyuki Kobayashi |
C9H18O2 | 158.238 | 121C/12mmHg (Ref. 7125) |
D25/4=0.9017 (Ref. 7126) |
h25/D=1.4266 (Ref. 7125) |
3.38- 3.50m, 6.5 - 8.5 m (Ref. 7119) |
D25/4=0.9017 (Ref. 7126) |
2-Isopropyl-cyclohexan-1-ol was treated with the mixture of KOH and sodium acetate at 350C(Ref. 7126). |
|||||||||||||||||
571 | 3,5,5-Trimethyl-Hexanoic Acid |
DFA7121 | Tetsuyuki Kobayashi |
C9H18O2 | 158.238 | 120C/13mmHg (Ref. 7127) |
h26/D=1.4270 (Ref. 7127) |
3,5,5-Trimethyl-hexan-1-ol was treated with chromium(VI) oxide and acetic acid(Ref. 7127). |
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572 | 3-Methyl-Nonanoic Acid |
DFA7122 | Tetsuyuki Kobayashi |
C10H20O2 | 172.265 | 122-125C/3mmHg (Ref. 7128) |
D23/ =0.888 (Ref. 7128) |
h23/D=1.4318 (Ref. 7128) |
D23/ =0.888 (Ref. 7128) |
2-Octylmalonic acid was heated at 165-170c for an hour. |
||||||||||||||||||
573 | 3,3-Dimethyl-Nonanoic Acid |
DFA7123 | Tetsuyuki Kobayashi |
C11H22O2 | 186.291 | 130-133C/5mmHg (Ref. 7129) |
D25/ =0.8995(Ref. 7129) |
h25/D=1.4370 (Ref. 7129) |
D25/ =0.8995(Ref. 7129) |
Methyl 3,3-dimethylnonanoate was treated with ethanolic KOH. |
||||||||||||||||||
574 | (R)-3-Methyl-Undecanoic Acid |
DFA7124 | Tetsuyuki Kobayashi |
C12H24O2 | 200.318 | 117C/0.5mmHg (Ref. 7130) |
h26/D=1.4350 (Ref. 7130) |
A mixture of octanoic acid, methyl 3-methylglutarate, methyl alcohol and a small amount of sodium were electrolysed, and the product was treated with ethanolic KOH. |
||||||||||||||||||||
575 | (S)-4-Methyl-Dodecanoic Acid |
DFA7125 | Tetsuyuki Kobayashi |
C13H26O2 | 214.344 | 162-164C/5.5mmHg (Ref. 7024) |
D25/ =0.888 (Ref. 7024) |
h25/D=1.4424 (Ref. 7024) |
D25/ =0.888 (Ref. 7024) |
1-Bromo-3-methyl undecane was incubated with potassium cyanide in ethanol, followed by heating in aq. Potassium hydroxide. |
||||||||||||||||||
576 | 2-Ethyl-Dodecanoic Acid |
DFA7126 | Tetsuyuki Kobayashi |
C14H28O2 | 228.371 | 175-180C/11mmHg (Ref. 7133) |
D70/4=0.8535 (Ref. 7132) |
h25/D=1.4450(134),h70/D=1.4258(Ref. 7132) |
D70/4=0.8535 (Ref. 7132) |
Silver salt of ethyl ethyldecylmalonate was incubated with bromine in carbon tetrachloride. |
||||||||||||||||||
577 | 9-Methyltridecanoic Acid |
DFA7127 | Tetsuyuki Kobayashi |
C14H28O2 | 228.371 | 154C/2mmHg(Ref. 7134) |
h 25/D = 1.4462 (Ref. 7134) |
9-Hydroxy-9-methyltridecanitril was warmed with ethanolic KOH. The product was heated with a small amount of iodine at 200C, followed by hydrogenation with Pt in ethanol(Ref. 7134). |
||||||||||||||||||||
578 | 6-Ethyldodecanoic Acid |
DFA7128 | Tetsuyuki Kobayashi |
C14H28O2 | 228.371 | 131-132C/1mmHg(Ref. 7135) |
Barium 6-oxododecanate was treated with ethyl magnesium iodide in Ether, then the hydrolysate was heated with iodine at 180C, followed by hydrogenation with Pt in methyl alchol(Ref. 7135). |
|||||||||||||||||||||
579 | 2,4-Dimethyldodecanoic Acid |
DFA7129 | Tetsuyuki Kobayashi |
C14H28O2 | 228.371 | 148-150C/2mmHg(Ref. 7136) |
D20/4 = 0.8869 (Ref. 7136) |
h 20/D = 1.4456 (Ref. 7136) |
D20/4 = 0.8869 (Ref. 7136) |
2-Bromo-4-methyl dodecane was treated with magnesium in ether, followed by reaction with carbon dioxide(Ref. 7136). |
||||||||||||||||||
580 | 3-Methyltetradecanoic Acid |
DFA7130 | Tetsuyuki Kobayashi |
C15H30O2 | 242.398 | 24-24.5 (Ref. 7119) |
170 |
n32/D = 1.4487 (Ref. 7059) |
Diethyl 1-methyl dodecyl malonate was heated with ethanolic KOH. After acidification, the product was obtained by heating at 170C under diminished pressure(Ref. 7119). |
|||||||||||||||||||
581 | 11-Methyltetradecanoic Acid |
DFA7131 | Tetsuyuki Kobayashi |
C15H30O2 | 242.398 | 18.5-19C (Ref. 7119) |
170-171C/0.4mmHg (Ref. 7119) |
Diethyl 9-methyl dodecyl malonate was heated with ethanolic KOH. After acidification, the product was obtained by heating at 170C under diminished pressure(Ref. 7119). |
||||||||||||||||||||
582 | 3-Methylpentadecanoic Acid |
DFA7132 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | 37.2-37.6C (Ref. 7023) |
It was produced by hydrolysis of methyl 3-methylpentadecanoate(Ref. 7023). |
|||||||||||||||||||||
583 | 2-Propyltridecanoic Acid |
DFA7133 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | 20-21C (Ref. 7138) |
180-183C/3.5mmHg(Ref. 7138) |
D70/4 = 0.8486 (Ref. 7139) |
h 20/D = 1.4425 (Ref. 7138) |
D70/4 = 0.8486 (Ref. 7139) |
Diethyl propylundecylmalonate was heated in ethanolic KOH. After acidification the product was obtained by heating at 180C under a vacuum of 20 Torr(Ref. 7138). |
|||||||||||||||||
584 | 2-Hexyldecanoic Acid |
DFA7134 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | 140-150C/0.02mmHg(Ref. 7109) |
D70/4 = 0.8463 (Ref. 7132) |
h 24/D = 1.4432(Ref. 7109) |
D70/4 = 0.8463 (Ref. 7132) |
It was synthesized from 2-hexyl-2-decenoic acid by hydrogenation with Pt in ethanol(Ref. 7109). |
||||||||||||||||||
585 | 3-Ethyl-3-Methyltridecanoic Acid |
DFA7135 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | 168-171C/1mmHg (Ref. 7140) |
h 25/D = 1.4515 (Ref. 7140) |
A mixture of 3-ethyl-3-methylglutarate monomethyl, decanoic acid, methylalcohol and small amount of sodium was electrolysed, followed by treatment with aq. potassium hydroxide(Ref. 7140). |
||||||||||||||||||||
586 | 2-Heptyl Nonanoic Acid |
DFA7136 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | 26C (Ref. 7110) |
158-160C/1.5mmHg (Ref. 7110) |
2-Peptyl nonanitril was heated with hydrobromic acid at 160C (Ref. 7110). |
||||||||||||||||||||
587 | 6-Ethyl Tetradecanoic Acid |
DFA7137 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | 140-142C/0.01mmHg (Ref. 7135) |
Barium 6-oxotetradecanate was treated with ethyl magnesium iodide in ether, followed by treatment with hydrochloric acid. Then the product was heated with iodine at 180C. The product isolated was hydrogenated with Pt in methyl alcohol to give 6-etHYL TETRADECANOIC ACID(Ref. 7135). |
|||||||||||||||||||||
588 | 2,4-Dimethyl Tetradecanoic Acid |
DFA7138 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | 144-145C/0.5mmHg (Ref. 7136) |
D20/4=0.8843 (Ref. 7136) |
h20/D=1.4487 (Ref. 7136) |
D20/4=0.8843 (Ref. 7136) |
2-Bromo-4-methyltetradecane was treated with magnesium in ether, followed by reaction with carbon dioxide(Ref. 7136). |
||||||||||||||||||
589 | 3,5-Dimethyl Tetradecanoic Acid |
DFA7139 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | 147-149C/0.5mmHg (Ref. 7136) |
D20/4=0.8859 (Ref. 7136) |
h20/D=1.4491(Ref. 7136) |
D20/4=0.8859 (Ref. 7136) |
Sodium diethylmalonate and 2-bromo-4-methyl tridecane were heated in ethylalcohol and the reaction product was treated with sodium hydroxide. The final product was obtained by vacuum distillation after acidification(Ref. 7136). |
||||||||||||||||||
590 | 4-Hexyl Decanoic Acid |
DFA7140 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | 147-148C/0.8mmHg (Ref. 7110) |
h27/D=1.4450(Ref. 7110) |
Diethyl (2-hexyloctyl)malonate was heated with ethanolic KOH, and the product was heated after acidification(Ref. 7110). |
||||||||||||||||||||
591 | 2-Ethyl-2-Butyl Decanoic Acid |
DFA7141 | Tetsuyuki Kobayashi |
C16H32O2 | 256.424 | 138-139C/0.4mmHg (Ref. 7123) |
h25/D=1.4500(Ref. 7123) |
2-Ethylhexanate(1,1-diethylpropyl)ester was treated with potassium amide in liquid ammonia, and further treated with octyl bromide. Then the product was heated in a mixture of hydrochloric acid/dioxane(Ref. 7123). |
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592 | 5-Methyl Hexadecanoic Acid |
DFA7142 | Tetsuyuki Kobayashi |
C17H34O2 | 270.451 | 34.5-35C (Ref. 7065) |
158-160C/0.2mmHg (Ref. 7065) |
Diethyl (3-methyl tetradecyl) malonate was heated in ethanolic KOH, and the product was obtained by vacuum distillation after acidification(Ref. 7065). |
||||||||||||||||||||
593 | 11,15-Dimethyl Hexadecanoic Acid |
DFA7143 | Tetsuyuki Kobayashi |
C18H36O2 | 284.477 | 165-172C/0.5Torr |
h20/D=1.4480 |
It was produced by electrolysis of a mixture of sebacic acid monoethyl ester, 3,7-dimethyloctanate, potassium carbonate and ethyl alchol (pH6.8-7), followed by treatment with ethanolic KOH. |
||||||||||||||||||||
594 | 15-Methyl Octadecanoic Acid |
DFA7144 | Tetsuyuki Kobayashi |
C19H38O2 | 298.504 | 40.9-42.4C (Ref. 7046) |
183C/0.4mmHg(Ref. 7073) |
7.78m, 8.10m, 13.5m(CS2) (Ref. 7010) |
Ethylester of 15-methyl-12-oxooctadecanate was heated at 200C with hydrazine hydrate, sodium hydroxide and diethylene glycol(Ref. 7046). |
|||||||||||||||||||
595 | 5-Methyl Octadecanoic Acid |
DFA7145 | Tetsuyuki Kobayashi |
C19H38O2 | 298.504 | 44.5-45C (Ref. 7143) |
174C/0.1mmHg(Ref. 7073) |
209nm (Ref. 7011) |
7.76m, 8.25m(CS2) (Ref. 7010) |
Diethyl ester of (3-methyl tetradecyl) malonate was heated with ethanolic KOH. After acidification the product was obtained by distillation under deminished pressure(Ref. 7073). |
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596 | 9-Hydroperoxy-10,12-Octadecadienoic Acid/9-Hydroperoxy-10,12-Octadecadienoate |
DFA8001 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | GC/EI-MS(after methanolysis, reduction and trimethylsilylation) (Ref. 8012/8018/8013/8019/8014): m/e= 382[M], 292[M-HOTMS], 311[M-(CH2)4CH3], 225[M-(CH2)7COOCH3] standard peak/ GC-EI-MS(after methylation, reduction and hydrogenation) (Ref. 8020/8015/8016): m/e= 187[CH(OH)(CH2)7COOCH3], 158[(CH2)7COOCH3+H], 155[C(OH)-(CH)7CO] |
Auto oxidation of methyllinoleate(Ref. 8021/8022/8023/8024/8025/8026/8027/8039/8028/8029/8030). Oxidation of methyl linoleate by singlet oxygen(Ref. 8022/8023/8025/8026/8027/8039/8030/8024). Oxidation of linoleic acid by lipoxygenase(Ref. 8023/8031/8032/8033/8034/8035/8037/8038/8036). Production mechanism (auto oxidation): bis-allylic hydrogen at C11. |
[8001] / [8002] / [8003] / [8004] / [8005] / [8006] / [8007] / [8008] / [8009] / [8010] / [8011] / [8012] / [8013] / [8014] / [8015] / [8016] / [8017] / [8018] / [8019] / [8020] / [8021] / [8022] / [8023] / [8024] / [8025] / [8026] / [8027] / [8028] / [8029] / [8030] / [8031] / [8032] / [8033] / [8034] / [8035] / [8036] / [8037] / [8038] / [8039] / [8043] / [8044] / [8045] / [8046] / [8047] / [8048] / [8049] |
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597 | 13- Hydroperoxy-9,11-Octadecadienoic Acid/13- Hydroperoxy-9,11-Octadecadienoate |
DFA8002 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | Trans, cis isomer: l max= 236nm, e= 26000, trans, trans isomer: l max= 233nm, e=28600 (025/027/028/029/036) |
1H-NMR (Ref. 8001/8012): C9-13 (5.45-6.53ppm), C13 (4.37ppm), J9-10= 11Hz (cis),J11-12=15Hz (trans) /1H-NMR (after methanolyzation and reduction )(Ref. 8005/8017): cis, trans isomer : olefinic protons(5.91ppm), C8 (2.10ppm), C13(4.15ppm), trans, trans isomer: olefinic protons (5.41ppm), C8 (2.07ppm) |
GC-EI-MS(after methanolysis, reduction and trimethylsilylation) (Ref. 8012/8018/8019/8013/8014): m/e= 382[M], 292[M-HOTMS], 311[M-(CH2)4CH3] standard peak,225[M-(CH2)7COOCH3] / GC-EI-MS(after methylation, reduction and hydrogenation) (Ref. 8020/8015/8016): m/e= 243[CH(OH)(CH2)11COOCH3], 214[(CH2)11COOCH3+H], 211[C(OH(CH2)11CO] |
Auto oxidation of methyl linoleate(Ref. 8029/8021/8022/8023/8024/8025/8026/8039/8028/8030). Oxidation of methyl linoleate by singlet oxygen(Ref. 8022/8023/8025/8026/8027/8030/8024). Oxidation of linoleic acid by lipoxygenase(Ref. 8023/8031/8032/8033/8034/8035/8037/8038/8036). Production mechanism (auto oxidation): bis-allylic hydrogen at C11. |
[8001] / [8005] / [8006] / [8007] / [8008] / [8009] / [8010] / [8011] / [8012] / [8013] / [8014] / [8015] / [8016] / [8017] / [8018] / [8019] / [8020] / [8021] / [8022] / [8023] / [8024] / [8025] / [8026] / [8027] / [8028] / [8029] / [8030] / [8031] / [8032] / [8033] / [8034] / [8035] / [8036] / [8037] / [8038] / [8039] / [8043] / [8044] / [8045] / [8046] / [8047] / [8048] |
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598 | 10-Hydroperoxy-8,12-Octadecadienoic Acid/10-Hydroperoxy-8,12-Octadecadienoate |
DFA8003 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | 1H-NMR(after methanolyzation and reduction)(Ref. 8091): olefinic protons(5.55-5.59ppm), C10 (4.08-4.11ppm) |
GC-EI-MS(after methanolysis, reduction and trimethylsilylation)(Ref. 8090/8019): m/e= 271[SMTO=CH-CH=CH-(CH2)6COOCH3], GC-EI-MS (after methylation, reduction and hydrogenation)(Ref. 8020):m/e= 201[CH(OH)(CH2)8COOCH3], 172[(CH2)8COOCH3+H], 169[C(OH)(CH2)8CO] GC-EI-MS(after methylation, reduction, hydrogenation and trimethylsilylation)(Ref. 8090) |
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599 | 12-Hydroperoxy-9,13-Octadecadienoic Acid/12-Hydroperoxy-9,13-Octadecadienoate |
DFA8004 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | 1H-NMR(after methanolyzation and reduction)(Ref. 8091): olefinic protons(5.55-5.59ppm), C10 (4.08-4.11ppm) |
GC-EI-MS(after methanolysis, reduction and trimethylsilylation)(Ref. 8090/8019): m/e= 185[SMTO=CH-CH=CH-(CH2)3CH3], GC-EI-MS (after methylation, reduction and hydrogenation)(Ref. 8020): m/e= 229[CH(OH)(CH2)10COOCH3], 200[(CH2)10COOCH3+H], 197[C(OH)(CH2)10CO] GC-EI-MS(after methylation, reduction, hydrogenation and trimethylsilylation)(Ref. 8090) |
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600 | 8-Hydroperoxy-9,12-Octadecadienoic Acid |
DFA8005 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | 1H-NMR (after methanolyzation, reduction and 400MHz )(Ref. 8050): olefinic protons(5.91-5.51ppm), C8 (4.45ppm), C11(2.84ppm), C14(2.05ppm),J9-10= J12-13= 10.7Å }0.2Hz (cis) |
GC-EI-MS(after methanolysis, reduction and trimethylsilylation) (Ref. 8050>: m/e= 292[M-HOTMS], 271[CH=CH-CH(OTMS)-(CH2)6COOCH3], 239[M-(CH2)6C00CH3], 173[SMTO=CH-(CH2)6COOCH3-TMS+H], 149[239-HOTMS] standard peak |
8-OOH and 14-OOH are known as small amount components of monohydroperoxidate from auto oxidation of linoleic acid and oxidation of soybean lipoxygenase(type-2). Their amount does not change by temperature or addition of a-tocopherol(Ref. 8050). |
||||||||||||||||||||
601 | 14-Hydroperoxy-9,12-Octadecadienoic Acid |
DFA8006 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | 1H-NMR(after methanolyzation, reduction and 400MHz)(Ref. 8050): olefinic protons(5.32-5.47ppm) C14(4.45ppm), C11(2.85ppm), C8(2.05ppm), J9-10= J12-13= 10.08Å }0.1Hz(cis) |
GC-EI-MS(after methanolysis, reduction and trimethylsilylation)(Ref. 8050): m/e= 325[M-(CH2)3CH3] standard peak, 292[M-HOTMS], 235[325-HOTMS], 185[CH=CH-CH(OTMS)-(CH2)3CH3] |
8-OOH and 14-OOH are known as small amount components of monohydroperoxidate from auto oxidation of linoleic acid and oxidation of soybean lipoxygenase(type-2). Their amount does not change by temperature or addition of a-tocopherol(Ref. 8050). |
||||||||||||||||||||
602 | 9,10-Epoxy-12-Octadecenoic Acid/9,10-Epoxy-12-Octadecenoate |
DFA8007 | Tetsuyuki Kobayashi |
C18H32O3 | 296.445 | Antimicrobial compounds for Piricularia oryzae, a pathogenic fungus of rice blast disease (Imochi-byo)(Ref. 8072) |
Olefinic(3002cm-1), cis unsaturation(718cm-1), cis epoxide(835-815cm-1)(Ref. 8017) |
1H-NMR(Ref. 8017): olefinic protons(5.44ppm), isolated cis epoxide(2.92ppm) |
8, 9-; 10, 11- and 11, 12-Epoxide were detected in autooxidated methyl linoleate as well as 9, 10-epoxide(Ref. 8017). |
|||||||||||||||||||
603 | 12,13-Epoxy-9-Octadecenoic Acid |
DFA8008 | Tetsuyuki Kobayashi |
C18H32O3 | 296.445 | Antimicrobial compounds for Piricularia oryzae, a pathogenic fungus of rice blast disease (Imochi-byo)(Ref. 8072) |
Trans olefin(960cm-1), cis olefin(720cm-1), trans epoxide(885cm-1), cis epoxide(840 and 820cm-1)(Ref. 8071) |
1H-NMR(Ref. 8071): C8(2.01ppm), C9, 10(5.45ppm), C2, 11(2.29ppm), C12, 13(2.91ppm), J9-10= 10Hz(cis olefin) |
||||||||||||||||||||
604 | 12,13-Epoxy-9-Hydroperoxy-10-Octadecenoic Acid |
DFA8009 | Tetsuyuki Kobayashi |
C18H32O5 | 328.444 | Isorated trans unsaturation(970cm-1), trans epoxide(885cm-1), OOH(3600 AND 3430cm-1) (Ref. 8052) |
1H-NMR(methyl ester)(Ref. 8052): C9(4.33ppm), C10(5.85ppm), C11(5.47ppm), C12(3.11ppm), C13(2.84ppm) J10-11=16Hz(trans olefin), J12-13=2Hz(trans epoxide) |
|||||||||||||||||||||
605 | 12,13-Epoxy-11-Hydroperoxy-9-Octadecenoic Acid |
DFA8010 | Tetsuyuki Kobayashi |
C18H32O5 | 328.444 | |||||||||||||||||||||||
606 | 9,10-Epoxy-11-Hydroxy-12-Octadecenoic Acid/9,10-Epoxy-11-Hydroxy-12- Octadecenoate |
DFA8011 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | 1H-NMR(Ref. 8013): trans-epoxy-cis-ene: C9(2.98ppm), C10(2.77ppm), C11(4.63ppm), C12(5.32ppm), C13(5.60ppm), C14(2.06ppm), J9-10=2Hz, J10-11=4Hz, J11-12=8Hz J12-13=11Hz / trans-epoxy-trans-ene: C9(2.93ppm), C10(2.77ppm), C11(4.25ppm), C12, 13(5.54ppm), C14(2.06ppm) |
GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8013/8059/8012/8063/8071/8017): m/e= 398[M], 383[M-CH3], 241[M-(CH2)7COOCH3], 199[SMTO=CH-CH=CH(CH2)4CH3 or CH(-O-)-CH(CH2)7COOCH3], GC-EI-MS(after methanolysis, reduction and hydrogenation)(078), GC-EI-MS(after aceto-hydrolyzation, methanolysis and trimethylsilylation)(Ref. 8066/8059): m/e=361[SMTO |
A minor component of epoxy-hydroxy compounds generated from linoleic acid by autooxidation [the epoxy ring shows trans configuration](Ref. 8017/8012). Soy bean lipoxygenase-catalyzed degradation products of linoleate hydroperoxide(Ref. 8059). A degradation product of 9-hydroperoxylinoleate in the presence of Fe(III)-cystein. |
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607 | 9,10-Epoxy-13-Hydroxy-11-Octadecenoic Acid/9,10-Epoxy-13-Hydroxy-11-Octadecenoate |
DFA8012 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | l=277 and 316nm(very weak absorption)(Ref. 8009) |
A degradation product of 13-hydroperoxymethyllinoleate(Ref. 8056/8057). A major compound generated by autooxidation of methyllinoleate[the epoxide ring and double bond show trans configuration](Ref. 8017/8012). Oxidation of linoleic acid by wheat lipoxygenase[the epoxy ring shows cis configuration]. |
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608 | 12,13-Epoxy-9-Hydroxy-10-Octadecenoic Acid/12,13-Epoxy-9-Hydroxy-10-Octadecenoate |
DFA8013 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | l=277 and 316nm(very weak absorption)(Ref. 8009) |
GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8017/8056/8009/8012/8071): m/e=398[M], 383[M-CH3], 367[M-OCH3], 327[M-(CH2)4CH3], 241[M-(CH2)7COOCH3], 285[CH=CH-CH(OTMS)-(CH2)7COOCH3], 259[SMTO=CH-(CH2)7COOCH3]GC-EI-MS(after methanolysis and trimethylsiltlation under acidity)(Ref. 8052) GC-EI-MS(after BF3-MeOH treatment and trimethylsilylation)(Ref. 8057) |
ORD analysis(Ref. 8063) |
A degradation product of 13-hydroperoxylinoleate in the presence of Fe(III)-cystein(Ref. 8063) or hemoglobin(Ref. 8014/8054). Degradation products of 13-hydroperoxymethyllinoleate by radical reactions(Ref. 8056/8057). A major component of epoxy-hydroxy compounds generated from methyllinoleate by autooxydation. |
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609 | 12,13-Epoxy-11-Hydroxy-9-Octadecenoic Acid/12,13-Epoxy-11-Hydroxy-9-Octadecenoate |
DFA8014 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | |||||||||||||||||||||||
610 | 12,13-Epoxy-11-Methoxy-9-Octadecenoic Acid |
DFA8015 | Tetsuyuki Kobayashi |
C19H34O4 | 326.471 | Methyl ester: cis olefin(758-740cm-1), trans epoxide(900 AND 890cm-1), cis epoxide(852 and 842cm-1) (Ref. 8070) |
1H-NMR: C8(2.08ppm), C9(5.69-5.74ppm), C10(5.28-5.32ppm), C11(3.76-4.03ppm), C12(2.74-2.98ppm), C13(2.74-2.92ppm), J9-10=11.7-11.9Hz(cis unsaturation) (Ref. 8070) |
GC-EI-MS(methyl ester)(Ref. 8070): m/e=309[M-OCH3], 240[M-CH3(CH2)4CHO], 227[CH3OCH-CH=CH(CH2)7COOCH3], 209[240-OCH3], 195[227-CH3OH] |
ORD analysis(Ref. 8070) |
Oxidative products of 13-hydroperoxylinoleate in MeOH(Ref. 8070). |
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611 | 9,10-Epoxy-13-Oxo-11-Octadecenoic Acid |
DFA8016 | Tetsuyuki Kobayashi |
C18H30O4 | 310.428 | Methyl ester: trans monoene(973cm-1), trans epoxide(885cm-1), cis epoxide(825 cm-1), conjugated carbonyl(1700, 1680, and 1635cm-1)(Ref. 8013) |
1H-NMR(Ref. 8013): C9(2.9ppm;trans epoxide), C10(3.20ppm; trans epoxide), C9(3.14ppm; cis-epoxide),C10(3.47ppm; cis epoxide), C11(6.57-6.63ppm), C12(6.34-6.36ppm), C14(2.52ppm), J9-10=2Hz(trans epoxide), J9-10=4Hz(cis epoxide), J11-12=16Hz(trans olefin) |
GC-EI-MS(after methanolysis and trimethylsilylation )(Ref. 8013), GC-EIMS(after BF3-MeOH treatment and trimethylsilylation)(075/072): m/e=428[M], 413[M-CH3], 259[SMTO=CH(CH2)7- COOCH3], 242[CH3OCH-CH=CH-C(OTMS)(CH2)4CH3] |
||||||||||||||||||||
612 | 12,13-Epoxy-9-Oxo-10-Octadecenoic Acid |
DFA8017 | Tetsuyuki Kobayashi |
C18H30O4 | 310.428 | Methyl ester: trans monoene(973cm-1), trans epoxide(885cm-1), cis epoxide(825 cm-1), conjugated carbonyl(1700, 1680, and 1635cm-1) (Ref. 8013) |
1H-NMR: C8(2.52ppm), C10(6.34-6.36ppm), C11(6.57-6.63ppm), C12(3.2ppm; trans epoxide), C13(2.9ppm; trans epoxide), C12(3.47ppm; cis epoxide), C13(3.14ppm; cis epoxide), J12-13=2Hz(trans epoxide), J12-13=4Hz(cis epoxide), J10-11=16Hz(trans olefin) |
GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8013), GC-EI-MS(after NaBH4-reduction, methanolysis and trimethylsilylation)(Ref. 8053/8014) GC-EI-MS(after BF3-MeOH treatment and trimethylsilylation)(Ref. 8056/8053): m/e=428[M], 413[M-CH3], 328[CH3OCH-CH=CH-C(O)-(CH2)7-C(OTMS)OCH3], 173[SMTO=CH(CH2)4CH3] |
ORD analysis |
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613 | 10-Ethoxy-9,13-Dihydroxy-11-Octadecenoic Acid |
DFA8018 | Tetsuyuki Kobayashi |
C20H38O5 | 358.513 | |||||||||||||||||||||||
614 | 12-Ethoxy-9,13-Dihydroxy-10-Octadecenoic Acid |
DFA8019 | Tetsuyuki Kobayashi |
C20H38O5 | 358.513 | |||||||||||||||||||||||
615 | 9-Hydroperoxy-12,13-Dihydroxy-10-Octadecenoic Acid |
DFA8020 | Tetsuyuki Kobayashi |
C18H34O6 | 346.459 | GC-EI-MS(after methanolysis, reduction and trimethylsilylation), GC-EI-MS(aftre methanolysis, reduction, hydrogenation and trimethylsilylation )(Ref. 8059) |
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616 | 13-Hydroperoxy-9,10-Dihydroxy-11-Octadecenoic Acid |
DFA8021 | Tetsuyuki Kobayashi |
C18H34O6 | 346.459 | GC-EI-MS(after methanolysis, reduction and trimethylsilylation), GC-EI-MS(aftre methanolysis, reduction, hydrogenation and trimethylsilylation )(Ref. 8059) |
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617 | 9-Hydroxy-10,12-Octadecadienoic Acid/9-Hydroxy-10,12-Octadecadienoate |
DFA8022 | Tetsuyuki Kobayashi |
C18H32O3 | 296.445 | Methyl ester: l/max=231, 233, 234nm (Ref. 8071) |
Methyl ester: trans, trans isomer: trans, trans conjugated diene(985cm-1), free OH(3600cm-1), bonded OH(3695-3318cm-1), trans, cis isomer: trans, cis conjugated diene(990, 968cm-1), olefinic(3005cm-1), free OH(3600cm-1), bonded OH(3700-3160cm- |
Minor degradation products of linoleate hydroperoxide in the presence of Fe(III)-cystein(Ref. 8013). A degradation product of hydroperoxymethyllinoleate in the presence of di-t-butyl diperoxyoxalate or Co(II)(Ref. 8058). Reaction products bstween hydroperoxylinoleate and soy bean lipoxygenase(Ref. 8059). |
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618 | 13-Hydroxy-9,11-Octadecadienoic Acid/13-Hydroxy-9,11-Octadecadienoate |
DFA8023 | Tetsuyuki Kobayashi |
C18H32O3 | 296.445 | Methyl ester: trans, trans isomer: trans, trans conjugated dinen(985cm-1), free OH(3600cm-1), bonded OH(3695-3318cm-1); cis, trans isomer: cis, trans conjugated diene(990, 968cm-1), olefinic(3005cm-1), free OH(3600cm-1), bonded OH(3700-3160cm |
GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8013/8059/8018/8012/8004): m/e=382[M], 367[M-CH3], 351[M-OCH3], 311[M-(CH2)4CH3], 225[M-(CH2)7COOCH3], GC-EI-MS(after methanolysis, hydrogenation and trimethylsilylation)(Ref. 8059/8014), GC-EI-MS(after methanolysis and hydrogenation) (Ref. 8064) |
Minor degradation products of linoleate hydroperoxide in the presence of Fe(III)-cystein(Ref. 8013). A degradation product of hydroperoxymethyllinoleate in the presence of di-t-butyl diperoxyoxalate or Co(II)(Ref. 8058). Reaction products bstween hydroperoxylinoleate and soy bean lipoxygenase(Ref. 8059). |
||||||||||||||||||||
619 | 9,10-Dihydroxy-12-Octadecenoic Acid |
DFA8024 | Tetsuyuki Kobayashi |
C18H34O4 | 314.460 | Methyl ester(Ref. 8071) |
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620 | 9,13-Dihydroxy-10-Octadecenoic Acid/9,13-Dihydroxy-10-Octadecenoate |
DFA8025 | Tetsuyuki Kobayashi |
C18H34O4 | 314.460 | Trans unsaturation(980cm-1), olefinic(3010cm-1), OH(3620-3500cm-1)(Ref. 8017) |
1H-NMR(90MHz,CDCl3): trans olefinic protons(5.6-6.22ppm), carbinol methine protons(4.12ppm), J10-11=12.1Hz(trans unsaturation) (Ref. 8017) |
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621 | 9,13-Dihydroxy-11-Octadecenoic Acid/9,13-Dihydroxy-11-Octadecenoate |
DFA8026 | Tetsuyuki Kobayashi |
C18H34O4 | 314.460 | Trans unsaturation(980cm-1), olefinic(3010cm-1), OH(3620-3500cm-1)(Ref. 8017) |
1H-NMR(90MHz,CDCl3): trans olefinic protons(5.6-6.22ppm), carbinol methine protons(4.12ppm), J11-12=12.1Hz(trans unsaturation) (Ref. 8017) |
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622 | 12,13-Dihydroxy-9-Octadecenoic Acid |
DFA8027 | Tetsuyuki Kobayashi |
C18H34O4 | 314.460 | Methyl ester(Ref. 8071) |
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623 | 11,12,13-Trihydroxy-9-Octadecenoic Acid |
DFA8028 | Tetsuyuki Kobayashi |
C18H34O5 | 330.460 | Methyl ester(CS2): cis olefin(758cm-1), bonded OH(3400-3240cm-1) (Ref. 8069) |
1H-NMR(methyl ester): C8(2.04-2.11ppm), C9, 10(5.53-5.68ppm), C11(4.23-4.65ppm), C12(3.56-3.74ppm), C13(3.26-3.48ppm)(Ref. 8069) |
GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8069): m/e=285[SMTO=CH-CH=CH-(CH2)7COOCH3], 275[SMTO=CH-CH(OTMS)-(CH2)4CH3], 185[275-HOTMS], 173[SMTO=CH-(CH2)4CH3], 387[M-173] |
ORD analysis (Ref. 8069) |
Oxidative products of 13-hydroperoxylinoleate(Ref. 8069). |
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624 | 8,13-Dihydroxy-9,11-Octadecadienoic Acid |
DFA8029 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8054): m/e=455[M-CH3], 439[M-OCH3], 380[M-HOTMS], 245[SMTO=CH-(CH2)6COOCH3], 237[M-(CH2)6COOCH3-HOTMS], 173[SMTO=CH-(CH2)4CH3], GC-EI-MS(after methanolysis, hydrogenation and trimethylsilylation)(Ref. 8054): m/e=459[M-CH3], 403[M-(CH2)4CH3], 374[(CH2)4 -CH(OTMS)-(CH2)6-C(OTMS)OCH] |
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625 | 9,14-Dihydroxy-10,12-Octadecadienoic Acid |
DFA8030 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8055): m/e=455[M-CH3], 439[M-OCH3], 413[M-(CH2)CH3], 323[413-HOTMS], 313[M-(CH2)7COOCH3], 259[SMTO=CH-(CH2)7COOCH3], 159[SMTO=CH- (CH2)3CH3]/ GC-EI-MS(after methanolysis, hydrogenation and trimethylsilylation)(074): m/e=459[M-CH3], 417[M-(CH2)3CH3], 388[(CH2)4-CH(OTMS)-(CH2)7COOCH3] |
Autooxydation products of linoleic acid in EtOH-water(Ref. 8055). |
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626 | 9,10,13-Trihydroxy-11-Octadecenoic Acid/9,10,13-Trihydroxy-11-Octadecenoate |
DFA8031 | Tetsuyuki Kobayashi |
C18H34O5 | 330.460 | GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8059/8017/8056/8069/8009/8066/8012): m/e=545[M-CH3], 529[M-OCH3], 259[SMTO=CH-(CH2)7COOCH3], 173[SMTO=CH-(CH2)4CH3], 387[M-173], 298[387-HOTMS]GC-EI-MS(after methanolysis, trimethylsilylation and isopropyliden derivative treatment)(Ref. 8056), GC-EIMS(after methanolysis, hydrogenation and trimethylsilylation)(Ref. 8009/8092): m/e=562[M], 547[M-CH3] |
ODR analysis (Ref. 8069) |
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627 | 9,12,13-Trihydroxy-10-Octadecenoic Acid/9,12,13-Trihydroxy-10-Octadecenoate |
DFA8032 | Tetsuyuki Kobayashi |
C18H34O5 | 330.460 | GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8059/8017/8056/8069/8009/8066/8012): m/e=545[M-CH3], 529[M-OCH3], 460[rearrangment peak], 259[SMTO=CH-(CH2)7COOCH3], 173[SMTO=CH-(CH2)4CH3], 387[M-173], 301[M-259], 298[M-HOTMS], GC-EI-MS(after methanolysis, trimethylsilylation and isopropylidene treatment), GC-EI-MS(after methanolysis, hydrogenation and trimethylsilylation) |
ODR analysis (Ref. 8069) |
Reaction products between hydroperoxylinoleate and soy bean lipoxygenase(Ref. 8059) or potato extracts(Ref. 8066). Major reactive products between 13-hydroperoxylinoleate and hemathin(Ref. 8124). Oxidative products of 13-hydroperoxylinoleate(Ref. 8069). A degradation product of 13-hydroperoxylinoleate in the presence of Fe(III)-cystein(Ref. 8013). |
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628 | 13-Hydroxy-8-Methoxy-9,11-Octadecadienoic Acid |
DFA8033 | Tetsuyuki Kobayashi |
C19H34O4 | 326.471 | lMeOH/max=230mm(Ref. 8054) |
GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8054): m/e=397[M-CH3], 380[M-CH3OH], 341[M-(CH2)4CH3], 322[M-HOTMS], 309[M-(CH2)4CH3-CH3OH], 269[M-(CH2)6COOCH3], 237[269-CH3OH], 187[CH3OCH-(CH2)6COOCH3], 179[269-HOTMS], 173[SMTO=CH-(CH2)4CH3], 133[CH3O-CH=OTMS] |
Reaction products between 13-hydroperoxylinoleate and human hemoglobin in MeOH(Ref. 8054). |
||||||||||||||||||||
629 | 12-Hydroxy-11,13-Dimethoxy-9-Octadecenoic Acid |
DFA8034 | Tetsuyuki Kobayashi |
C20H38O5 | 358.513 | Methyl ester(CS2)(Ref. 8070): cis olefin(756cm-1), bonded OH(3460cm-1), free OH(3555cm-1) |
1H-NMR(methyl ester;CDCl3,300MHz)(Ref. 8070): C9(5.70ppm), C10(5.27ppm), C11(3.98ppm), C12(3.56ppm), C13(3.13ppm), OH(2.48ppm), C11OCH3(3.36ppm), C13OCH3(3.28ppm), J9-10=11.2Hz(cis unsaturation) |
GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8070): m/e=329[M-CHOCH3(CH2)4CH3], 309[M-CH3(CH2)4-2CH3OH], 227[CHOCH3CH=CH(CH2)7COOCH3], 217[M-227](standard peak), 300[227+TMS], 115[CHOCH3(CH2)4CH3] |
ORD analysis(Ref. 8070) |
Oxidative products of 13-hydroperoxylinoleate in MeH(Ref. 8070). |
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630 | 13-Hydroxy-9,10-Dimethoxy-11-Octadecenoic Acid |
DFA8035 | Tetsuyuki Kobayashi |
C20H38O5 | 358.513 | Methyl ester(CS2)(Ref. 8070): trans olefin(973-970cm-1), OH(3600 and 3440cm-1) |
1H-NMR(methyl ester; CDCl3, 300MHz)(Ref. 8070): C9(3.15-3.19ppm), C10(3.58-3.62ppm), C11(5.55-5.58ppm), C12(5.71ppm), C13(4.15ppm), C9OCH3(3.27-3.29ppm), C10OCH3(3.40-3.41ppm), J11-12=15.7Hz(trans unsaturation) |
GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8070): m/e=201[CHOCH3(CH2)7COOCH3](standard peak), 243[M-201] 173[SMTO=CH(CH2)4CH3] |
ODR analysis(Ref. 8070) |
Oxidative products of 13-hydroperoxylinoleate in MeH(Ref. 8070). |
||||||||||||||||||
631 | 13-Hydroxy-9,12-Dimethoxy-10-Octadecenoic Acid |
DFA8036 | Tetsuyuki Kobayashi |
C20H38O5 | 358.513 | Methyl ester(CS2)(Ref. 8070): trans olefin(975cm-1), OH(3570 and 3460cm-1) |
1H-NMR(methyl ester; CDCl3,300MHz)(Ref. 8070): C9(3.54-3.55ppm), C10(5.49-5.56ppm), C11(5.40-5.58ppm), C12(3.35-3.52ppm), C13(3.46-3.71ppm), C12OCH3(3.28-3.31ppm), C9OCH3(3.25-3.27ppm), J10-11=15.7Hz(trans unsaturation) |
GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8070): m/e=173[SMTO=CH(CH2)4CH3](standard peak), 240[M-173-OCH3] |
ODR analysis(Ref. 8070) |
Oxidative products of 13-hydroperoxylinoleate in MeH(Ref. 8070). |
||||||||||||||||||
632 | 12,13-Dihydroxy-11-Methoxy-9-Octadecenoic Acid |
DFA8037 | Tetsuyuki Kobayashi |
C19H36O5 | 344.486 | Methyl ester(CS2)(Ref. 8070): cis olefin(750cm-1), OH(3550 and 3490cm-1) |
1H-NMR(methyl ester; CDCl3,300MHz)(Ref. 8070): C9(5.74ppm), C10(5.37ppm), C11(4.11ppm), C12(3.62ppm), C13(3.45ppm), C11OCH3(3.27ppm), C12OH(2.39ppm), C13OH(2.70ppm), J9-10=11.2Hz(cis unsaturation) |
GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8070): m/e=227[CHOCH3CH=CH(CH2)7COOCH3], 300[227+TMS], 275[M-227], 185[275-HOTMS], 173[SMTO=CH(CH2)4CH3] |
Oxidative products of 13-hydroperoxylinoleate in MeH(Ref. 8070). |
|||||||||||||||||||
633 | 9-Hydroxy-10-Oxo-12-Octadecenoic Acid |
DFA8038 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | lEtOH/max=226nm(e=2900Å }400), lEtOH/max=277nm(e=1300Å }200) (Ref. 8067) |
1H-NMR(Ref. 8067): C9(4.21ppm), C11(3.22ppm), C12,13(5.54ppm), C14(2.00ppm) |
|||||||||||||||||||||
634 | 9-Hydroxy-12-Oxo-10-Octadecenoic Acid |
DFA8039 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | l EtOH /max=226nm(e=9900Å }1100),l EtOH /max=275nm(e=260Å }30) (Ref. 8067) |
Trans unsaturation(973cm-1), conjugated C=O(1617cm-1), OH(3460,1070cm-1) (Ref. 8067) |
|||||||||||||||||||||
635 | 9-Hydroxy-13-Oxo-10-Octadecenoic Acid |
DFA8040 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | 1H-NMR(methyl ester, trans ene)(Ref. 8013): C9(4.08ppm), C10(5.56ppm), C11(5.7ppm), C12(3.11ppm), C2,14(2.33ppm) |
||||||||||||||||||||||
636 | 13-Hydroxy-9-Oxo-11-Octadecenoic Acid |
DFA8041 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | 1H-NMR(methyl ester, trans ene)(Ref. 8013): C2, 8(2.33ppm), C10(3.11ppm), C11(5.7ppm) C12(5.56ppm), C13(4.08ppm) |
||||||||||||||||||||||
637 | 13-Hydroxy-10-Oxo-11-Octadecenoic Acid |
DFA8042 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | l EtOH /max=226nm(e=9900Å }1100), l EtOH /max=275nm(e260Å }30)(Ref. 8067) |
Trans unsaturation(973cm-1), conjugated C=O(1617cm-1), OH(3460,1070cm-1) (Ref. 8067) |
1H-NMR(Ref. 8067): C9(2.56ppm), C11(6.28ppm), C12(6.80ppm), C13(4.29ppm) |
GC-EI-MS(after methanolysis and hydrogenation)(Ref. 8067): m/e=328[M], 257[M-(CH2)4CH3], 225[257-CH3OH], 199[CO(CH2)8COOCH3], 167[199-CH3OH](standard peak), 157[(CH2)7COOCH3 or CH3(CH2)4CH(OH)-(CH2)2CO] |
|||||||||||||||||||
638 | 13-Hydroxy-12-Oxo-9-Octadecenoic Acid |
DFA8043 | Tetsuyuki Kobayashi |
C18H32O4 | 312.444 | l EtOH /max=226nm(e=2900Å }400), l EtOH /max=277nm(e=1300Å }200) (Ref. 8067) |
1H-NMR(Ref. 8067): C8(2.00ppm), C9, 10(5.54ppm), C11(3.22ppm), C13(4.21ppm) |
|||||||||||||||||||||
639 | Methyl 9,12-Dihydroxy-13-Oxo-10-Octadecenoate |
DFA8044 | Tetsuyuki Kobayashi |
C19H34O5 | 342.470 | GC-EI-MS(TMS)(Ref. 8056): m/e=486[M], 471[M-CH3], 455[M-OCH3], 386[M-C(O)(CH2)4CH3-H], 259[SMTO=CH-(CH2)7COOCH3] |
||||||||||||||||||||||
640 | Methyl 10,13-Dihydroxy-9-Oxo-11-Octadecenoate |
DFA8045 | Tetsuyuki Kobayashi |
C19H34O5 | 342.470 | GC-EI-MS(TMS)(Ref. 8056): m/e=486[M], 471[M-CH3], 455[M-OCH3], 300[M-C(O)(CH2)7CH3-H], 173[SMTO=CH-(CH2)4CH3] |
||||||||||||||||||||||
641 | 9-Oxo-10,12-Octadecadienoic Acid/9-Oxo-10,12-Octadecadienoate |
DFA8046 | Tetsuyuki Kobayashi |
C18H30O3 | 294.429 | GC-EI-MS(after methanolysis and hydrogenation)(Ref. 8056/8071/8012/8069): m/e=308[M], 277[M-OCH3], 237[M-(CH2)4CH3], 185[C(O)(CH2)6COOCH3], 166[CH3(CH2)4-CH=CH-CH=CH-C(OH)=CH2; Maclafferty transposition] 151[M-(CH2)7COOCH3]GC-EI-MS(TMS)(Ref. 8013): m/e=366[M], 341[M-CH3], 295[ [M-(CH2)4CH3], 276[M-HOTMS] |
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642 | 13-Oxo-9,11-Octadecadienoic Acid/13-Oxo-9,11-Octadecadienoate |
DFA8047 | Tetsuyuki Kobayashi |
C18H30O3 | 294.429 | GC-EI-MS(after methanolysis and trimethylsilylation)(Ref. 8014/8071/8012/8069): m/e=308[M], 277[M-OCH3], 252[M-CH2=C H-CH2CH3], 237[M-(CH2)4CH3], 209[M-C(O)(CH2)4CH3], 151[M-(CH2)7COOCH3], GC-EI-MS(TMS)(Ref. 8013): m/e=366[M], 341[M-CH3], 295[M-(CH2)4CH3], 276[M-HOTMS], 166[M-(CH2)6C(=O)OTMS]; REARRA |
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643 | Methyl 9-Butylperoxy-10,12-Octadecadienoate |
DFA8048 | Tetsuyuki Kobayashi |
C23H42O4 | 382.577 | lether/max=234nm(Ref. 8057) |
Ester carbonyl(1740cm-1), trans, trans diene(991cm-1)(Ref. 8057) |
1H-NMR(Ref. 8057): C10-C13(5.5-6.1ppm), C9(4.1ppm), C14(2.1ppm) |
GC-EI-MS(hydrogenation with palladium-charcoal)(Ref. 8057) |
A degradation product of 13-hydroperoxymethyllinoleate in the presence of di-tert-butyl peroxyoxalate(Ref. 8057). |
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644 | Methyl 13-Butylperoxy-9,11-Octadecadienoate |
DFA8049 | Tetsuyuki Kobayashi |
C23H42O4 | 382.577 | lether/max=234nm(Ref. 8057) |
Ester carbonyl(1740cm-1), trans, trans diene(991cm-1)(Ref. 8057) |
1H-NMR(Ref. 8057): C9-C12(5.5-6.1ppm), C13(4.1ppm), C8(2.1ppm) |
GC-EI-MS(hydrogenation with palladium-charcoal)(Ref. 8057) |
A degradation product of 13-hydroperoxymethyllinoleate in the presence of di-tert-butyl peroxyoxalate(Ref. 8057). |
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645 | 9-Hydroperoxy-10,12,15-Octadecatrienoic Acid/9-Hydroperoxy-10,12,15-Octadecatrienoate |
DFA8050 | Tetsuyuki Kobayashi |
C18H30O4 | 310.428 | (Me-ester; after reduction; in etoh)(Ref. 8076), trans, cis, cis isomer: lmax=236nm trans, trans, cis isomer: lmax=232nm |
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646 | 12-Hydroperoxy-9,13,15-Octadecatrienoic Acid/12-Hydroperoxy-9,13,15-Octadecatrienoate |
DFA8051 | Tetsuyuki Kobayashi |
C18H30O4 | 310.428 | (Me-ester;after reduction;in etoh)(Ref. 8076), cis, trans, cis isomer: lmax=233nm , cis, trans, trans isomer: lmax=232nm |
Isomerization of hydroperoxides: Positional isomers at 9, 12, 13, and 16 and their geometric isomers of cis, cis, trans- or cis, trans, trans are formed. The proportion of 9-, 16- isomers is higher than that of 12-, 13- isomers. |
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647 | 13-Hydroperoxy-9,11,15-Octadecatrienoic Acid/13-Hydroperoxy-9,11,15-Octadecatrienoate |
DFA8052 | Tetsuyuki Kobayashi |
C18H30O4 | 310.428 | (Me-ester; after reduction; in etoh)(Ref. 8076), cis, trans, cis isomer: lmax=233nm, trans, trans, cis isomer: lmax=232nm |
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648 | 16-Hydroperoxy-9,12,14-Octadecatrienoic Acid/16-Hydroperoxy-9,12,14-Octadecatrienoate |
DFA8053 | Tetsuyuki Kobayashi |
C18H30O4 | 310.428 | (Me-ester; after reduction; in etoh)(Ref. 8076), cis, cis, trans isomer: lmax=236nm, cis, trans, trans isomer: lmax=232nm |
Isomerization of hydroperoxides: Positional isomers at 9, 12, 13, and 16 and their geometric isomers of cis, cis, trans- or cis, trans, trans are formed. The proportion of 9-, 16- isomers is higher than that of 12-, 13- isomers. |
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649 | Methyl-10-Hydroperoxy-8,12,15-Octadecatrienoate |
DFA8054 | Tetsuyuki Kobayashi |
C19H32O4 | 324.455 | Isomerization of hydroperoxides: Positional isomers at 9, 10, 12, 13, 15, and 16 and their geometric isomers of cis, cis, trans- or cis, trans, trans are formed. The proportion of 9-, 16- isomers is higher than that of 12-, 13- isomers. |
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650 | Methyl-15-Hydroperoxy-9,12,16-Octadecatrienoate |
DFA8055 | Tetsuyuki Kobayashi |
C19O32O4 | 804.182 | Isomerization of hydroperoxides: Positional isomers at 9, 10, 12, 13, 15 and 16 and their geometric isomers of cis, cis, trans- or cis, trans, trans are formed. The proportion of 9-, 16- isomers is higher than that of 12-, 13- isomers. |
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651 | Methyl-10,12-Epidioxy-9-Hydroperoxy-13,15-Octadecadienoate |
DFA8056 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
Major secondary products of linolenate by autooxidation(Ref. 8026/8081). It is formed through 1, 3 cyclization of 12-peroxy radical of linolenate(Ref. 8025/8026/8027/8039/8028/8083). A level of epidioxy hydroperoxides produced by autooxidation of linolenate decreased by supplementation of antioxidants(Ref. 8094). |
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652 | Methyl-13,15-Epidioxy-16-Hydroperoxy-9,11-Octadecadienoate |
DFA8057 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
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653 | Methyl-10,12-Epidioxy-13-Hydroperoxy-8,15-Octadecadienoate |
DFA8058 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
OOH group: 3660-3150cm-1[bonded], 3520cm-1[free]; OLEFINIC PROTONS: 3020-3002cm-1; isolated trans unsaturation: 960cm-1(Ref. 8084) |
1H-NMR(105): C17[terminal methyl group attached ton the vinyl group]: 1.78ppm (Ref. 8084) |
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654 | Methyl-13,15-Epidioxy-12-Hydroperoxy-9,16-Octadecadienoate |
DFA8059 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096>. |
OOH GROUP: 3660-3150cm-1[bonded], 3520cm-1[free]; olefinic protons: 3020-3002cm-1; isolated trans unsaturation: 960cm-1(Ref. 8084) |
1H-NMR(Ref. 8084) |
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655 | Methyl-9,12-Dihydroperoxy-10,13,15-Octadecatrienoate |
DFA8060 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
GC-EI-MS(after reduction and TMS-derivatization)(Ref. 8084): m/e=453[M-CH3]; 437[M-OCH3]; 378[M-HOTMS]; 311[M-(CH2)7COOCH3]; 221[311-HOTMS]; 157[(CH2)7COOCH3], GC-EI-MS(after reduction, hydrogenation and TMS-derivatization)(102) m/e=443[M-OCH3] |
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656 | Methyl-9,16-Dihydroperoxy-10,12,14-Octadecatrienoate |
DFA8061 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
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657 | Methyl-13,16-Dihydroperoxy-9,11,14-Octadecatrienoate |
DFA8062 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
GC-EI-MS(after reduction and TMS-derivatization)(Ref. 8084): m/e=453[M-CH3]; 439[M -CH2CH3]; 437[M-OCH3]; 378[M-HOTMS]; 143[(CH2)6C00CH3], GC-EI-MS(after reduction, hydrogenation and TMS-derivatization)(102) m/e=443[M-OCH3]; 315[SMTO=CH(CH2)11COOCH3] |
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658 | Methyl-10,12-Dihydroperoxy-8,13,15-Octadecatrienoate |
DFA8063 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
Conjugated diene: lmax=231-233nm(Ref. 8084) |
OOH group: 3700-3140cm-1[bonded], 3520-3510cm-1[free]; conjugated trans, cis diene: 985-979cm-1, 953-935cm-1; isolated trans unsaturation: 968-960cm-1(Ref. 8084) |
1H-NMR(Ref. 8084): C2, 7, 11, 17: 1.8-2.5ppm; C8, 9, 13, 15, 16: 5.3-6.1ppm; C10, 12: 4.49- 4.51ppm; C14: 6.60-6.63ppm; C18: 1.01-1.10ppm; OOH: 8.02-8.05ppm |
GC-EI-MS(after reduction and TMS-derivatization)(Ref. 8084): m/e=468[M]; 453[M-OCH3]; 437[M-OC H3]; 378[M-HOTMS]; 271[SMTO=CHCH=CH(CH2)6COOCH3]; 183[SMTO=CHCH=CHCH=CHCH2 CH3]; CI-MS(110) m/e=339[M+H-H20]; 323[M-OOH]; 305[323-H20]; 199[CHOCH=CH(CH2)6COOCH3+H] |
||||||||||||||||||
659 | Methyl-13,15-Dihydroperoxy-9,11,16-Octadecatrienoate |
DFA8064 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
Conjugated diene: lmax=234-235nm(Ref. 8084) |
OOH group: 3700-3140cm-1[bonded], 3520-3510cm-1[free]; conjugated cis, trans diene: 985-979cm-1, 953-935cm-1; isolated trans unsaturation: 968-960cm-1(Ref. 8084) |
GC-EI-MS(after reduction and TMS-derivatization)(Ref. 8084): m/e=468[M]; 453[M-OCH3]; 437[M-OCH3]; 378[M-HOTMS]; 311[SMTO=CHCH=CHCH=CH(CH2)7COOCH3]; 143[SMTO=CHCH=CHCH3] |
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660 | Methyl-10,16-Dihydroperoxy-8,12,14-Octadecatrienoate |
DFA8065 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
Conjugated diene: lmax=232nm(Ref. 8084) |
OOH group: 3700-3140cm-1[bonded], 3520-3510cm-1[free]; conjugated cis,trans diene: 985-979cm-1, 953-935cm-1; isolated trans unsaturation: 968-960cm-1(Ref. 8084) |
GC-EI-MS(after reduction and TMS-derivatization)(Ref. 8084): m/e=468[M]; 439[M-CH2CH3]; 437[M-OCH3]; 378[M-HOTMS]; 349[439-HOTMS]; 271[SMTO=CHCH=CH(CH2)6COOCH3]; 197[M-271]; CI-MS(110): m/e=339[M+H-H20]; 323[M-OOH]; 305[323-H2O]; 199[CHOCH=CH(CH2)6COOCH3+H] |
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661 | Methyl-9,15-Dihydroperoxy-10,12,16-Octadecatrienoate |
DFA8066 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
Conjugated diene: lmax=237nm(Ref. 8084) |
OOH group: 3700-3140cm-1[bonded], 3520-3510cm-1[free]; conjugated trans, cis diene: 985-979cm-1, 953-935cm-1; isolated trans unsaturation: 968-960cm-1(Ref. 8084) |
GC-EI-MS(after reduction and TMS-derivatization)(Ref. 8084): m/e=157[(CH2)7COOCH3] 143[SMTO=CHCH=CHCH3] |
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662 | Methyl-10,12,13,15-Bisepidioxy-9-Hydroperoxy-16-Octadecenoate |
DFA8067 | Tetsuyuki Kobayashi |
C19H32O8 | 388.453 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
OOH group: 3700-3150cm-1[bonded], 3530cm-1[free], isolated trans unsaturation: 960cm-1(Ref. 8084) |
GC-EI-MS(after reduction(PH3P) and TMS-derivatization)(Ref. 8084): m/e=259[SMTO=CH(CH2)7COOCH3]; 185[M-259]; GC-EI-MS(after reduction, hydrogenation, and TMS-derivatization)(105): m/e=261[SMTO=CHCH2CH(OTMS)(CH2)2CH3]; 259[SMTO=CH(CH2)7COOCH3] |
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663 | Methyl-10,12,13,15-Bisepidioxy-16-Hydroperoxy-8-Octadecenoate |
DFA8068 | Tetsuyuki Kobayashi |
C19H32O8 | 388.453 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
OOH group: 3700-3150cm-1[bonded], 3530cm-1[free]; isolated trans unsaturation: 960cm-1(Ref. 8084) |
GC-EI-MS(after reduction(PH3P) and TMS-derivatization)(105): m/e=313[M-131]; 131[SMTO=CHCH2CH3]; GC-EI-MS(after reduction,hydrogenation, and TMS-derivatization)(Ref. 8084): m/e=349[SMTO=CHCH2CH(OTMS)CH(OTMS)CH2CH3]; 273[SMTO=CH(CH2)8COOCH3] |
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664 | Methyl-11-(3,5-Epidioxy-2-Ethylcyclopentyl)-9-Hydroperoxy-10-Undecenoate |
DFA8069 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
OOH group: 3620-3010cm-1[bonded], 3520cm-1[free]; isolated trans unsaturation: 960cm-1(Ref. 8084) |
EI-MS(after reduction and TMS)(Ref. 8087): m/e=543[M-CH3]; 468[M-HOTMS]; 401[M-(CH2)7COOCH3]; 378[M-2xHOTMS]; 352[468-SMTO=CHCH2]; 323[352-CH2CH3]; 285[CH=CHCH(OTMS)(CH2)7COOCH3]; 259[SMTO=CH(CH2)7COOCH3]; 217[SMTO-CH=CH-CH=OTMS] |
||||||||||||||||||||
665 | Methyl-8-[3,5-Epidioxy-2-(3-Hydroperoxy-1-Pentenyl)Cyclopentyl]Octanoate |
DFA8070 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | It reacts with DNA in the presence of Fe ions and ascorbic acid(Ref. 8096). |
OOH group: 3620-3010cm-1[bonded], 3520cm-1[free]; isolated trans unsaturation: 960cm-1(Ref. 8084) |
GC-EI-MS(after reduction and hydrogenation and TMS-derivatization)(Ref. 8084): m/e=545[M-CH3]; 455[545-HOTMS]; 401[M-(CH2)2CH(OTMS)CH2CH3]; 131[SMTO=CHCH2CH3] |
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666 | Methyl-9,10-Epoxy-12,15-Octadecadienoate |
DFA8071 | Tetsuyuki Kobayashi |
C19H32O3 | 308.456 | Cis unsaturation: 3002cm-1(Ref. 8081) |
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667 | Methyl-12,13-Epoxy-9,15-Octadecadienoate |
DFA8072 | Tetsuyuki Kobayashi |
C19H32O3 | 308.456 | Cis unsaturation: 3002cm-1(Ref. 8081) |
1H-NMR(Ref. 8081): cis unsaturationS: 5.43ppm[4H]; cis epoxide ring:2.79 AND 2.98ppm[2H] |
GC-EI-MS(Ref. 8084): m/e=308[M]; 277[M-OCH3]; 211[CH-(O)-CHCH2CH=CH(CH2)7COOCH3-28] 83[M-CH2CH=CH(CH2)7COOCH3-28], GC-EI-MS(after hydrogenation)(105): m/e=281[M-OCH3]; 241[CH-(O)-CH(CH2)10CO OCH3]; 213[214-28]; 113[M-(CH2)10COOCH3]; 85[113-28] |
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668 | Methyl-15,16-Epoxy-9,12-Octadecadienoate |
DFA8073 | Tetsuyuki Kobayashi |
C19H32O3 | 308.456 | Cis unsaturation: 3002cm-1(Ref. 8081) |
1H-NMR(Ref. 8081): cis unsaturationS: 5.43ppm[4H]; cis epoxide ring:2.79 AND 2.98ppm[2H] |
GC-EI-MS(Ref. 8084): m/e=308[M]; 279[CH-(O)-CHCH2CH=CHCH2CH=CH(CH2)7COOCH3]; 277[M -OCH3]; 251[279-28]; 71[CH3CH2CH-(O)-CH]; 43[71-28]; GC-EI-MS(after hydrogenation)(105): m/e=281[M-OCH3]; 255[CH-(O)-CH(CH2)13COOCH3-28]; 71[CH3CH2CH-(O)-CH]; 43[71-28] |
||||||||||||||||||||
669 | Methyl-10,13-Epdioxy-9-Hydroperoxy-11,15-Octadecadienoate |
DFA8074 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | OOH group: 3635-3300cm-1[bonded]; olefinic protons: 3005cm-1; isolated trans unsaturation: 965cm-1 (Ref. 8085) |
1H-NMR(Ref. 8085): C8: 1.6ppm; C9: 4.22ppm; C10: 4.65ppm; C11, 12: 5.98ppm; C13: 4.48ppm; C14: 2.0ppm; C15, 16: 5.45ppm; C17: 2.05ppm; OOH: 8.65ppm |
GC-EI-MS(after reduction(PH3P) and TMS-derivatization)(Ref. 8085): m/e=412[M]; 322[M-HOTMS]; 259[SMTO=CH(CH2)7COOCH3]; 153[M-259]; 69[CH2CH=CHCH2CH3]; 55[CH=CHCH2CH3]; GC-EI-MS(after reduction, hydrogenation, and TMS-derivatization)(106): m/e=457[M-CH3-HOTMS] |
||||||||||||||||||||
670 | Methyl-12,15-Epdioxy-16-Hydroperoxy-9,13-Octadecadienoate |
DFA8075 | Tetsuyuki Kobayashi |
C19H32O6 | 356.454 | OOH group: 3635-3300cm-1[bonded]; olefinic protons: 3005cm-1; isolated trans unsaturation: 965cm-1 (Ref. 8085) |
1H-NMR(Ref. 8085): C8: 2.05ppm; C9, 10: 5.45ppm; C11: 2.0ppm; C12: 4.48ppm; C13, 14: 5.98ppm; C15: 4.65ppm; C16: 4.22ppm; C17: 1.6ppm; OOH: 8.65ppm |
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671 | Methyl-10,12,13,16-Bisepidioxy-9-Hydroperoxy-14-Octadecenoate |
DFA8076 | Tetsuyuki Kobayashi |
C19H32O8 | 388.453 | 1H-NMR(Ref. 8085): C8: 1.6ppm; C9: 4.08ppm; C10, 12, 13, 16: 4.45ppm; C11: 2.1-2.7ppm; C14, 15: 5.68ppm; OOH: 8.45ppm |
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672 | Methyl-9,12,13,15-Bisepidioxy-16-Hydroperoxy-10-Octadecenoate |
DFA8077 | Tetsuyuki Kobayashi |
C19H32O8 | 388.453 | 1H-NMR(Ref. 8085): C9, 12, 13, 15: 4.45ppm; C10, 11: 5.68ppm; C14: 2.1-2.7ppm; C16: 4.08 ppm; C17: 1.6ppm; OOH: 8.45ppm |
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673 | Methyl-8-[2-(2-Formylvinyl)-3-Hydroxy-5-Oxocyclopentyl]Octanoate |
DFA8078 | Tetsuyuki Kobayashi |
C17H26O5 | 310.385 | Keto carbonyl: 1740cm-1[the peak corresponded with ester carbonyl] conjugated aldehyde: 1688cm-1 (Ref. 8082) |
GC-EI-MS(after reduction(NaBH4) and TMS-derivatization)(Ref. 8082): m/e=530[M]; 515[M-CH3]; 440[M-HOTMS]; 425[440-CH3]; 399[515-SMTO=CHCH2]; 324[440-SMTO= CHCH2]; 311[M-SMTOC3H5OTMS]; 243[SMTOC5H5OTMS]; 217[EMTOC3H3OTMS]; 191[SMT OCHOTMS]; 167[C6H6OTMS] |
It is prodused from 12-hydroperoxy isomer via PGG-like endoperoxide during autooxidation of linoleate(Ref. 8082). |
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674 | 5-Hydroperoxy-6,8,11,14-Eicosatetraenoic Acid/5-Hydroperoxy-6,8,11,14-Eicosatetraenoate |
DFA8079 | Tetsuyuki Kobayashi |
C20H32O4 | 336.466 | IR(Me-ester; after reduction)(Ref. 8105)conjugated trans, cis diene: 985, 950cm-1, conjugated trans, trans diene: 989cm-1 |
Isomerization of hydroperoxides : Both 5- and 15-hydroperoxide were generated predominantly by autooxidation or singlet-oxygen mediated oxidation(Ref. 8080/8097/8106). However, the proportion of each isomer generated become almost equal by supplementation of hydrogen donor such as tocopherol(Ref. 8041/8080/8106). |
|||||||||||||||||||||
675 | 8-Hydroperoxy-5,9,11,14-Eicosatetraenoic Acid/8-Hydroperoxy-5,9,11,14-Eicosatetraenoate |
DFA8080 | Tetsuyuki Kobayashi |
C20H32O4 | 336.466 | 8-HPETE generated by 8-lipoxygenase is enzymatically converted to bioactive compounds such as leukotriene and HETE(Ref. 8100). |
1H-NMR(Me-ester)(Ref. 8098): OOH: 8.3ppm |
Rogenation and TBDMS)(Ref. 8098) |
Isomerization of hydroperoxides : Both 5- and 15-hydroperoxide were generated predominantly by autooxidation or singlet-oxygen mediated oxidation(Ref. 8080/8097/8106). However, the proportion of each isomer generated become almost equal by supplementation of hydrogen donor such as tocopherol(Ref. 8041/8080/8106). |
|||||||||||||||||||
676 | 9-Hydroperoxy-5,7,11,14-Eicosatetraenoic Acid/9-Hydroperoxy-5,7,11,14-Eicosatetraenoate |
DFA8081 | Tetsuyuki Kobayashi |
C20H32O4 | 336.466 | 9-HPETE generated by 9-lipoxygenase is enzymatically converted to bioactive compounds such as leukotriene and HETE(Ref. 8100). |
IR(me-ester; after reduction)(Ref. 8105) conjugated cis, trans diene: 985, 950cm-1, conjugated trans, trans diene: 989cm-1 |
Rogenation and TBDMS)(Ref. 8098) |
Isomerization of hydroperoxides : Both 5- and 15-hydroperoxide were generated predominantly by autooxidation or singlet-oxygen mediated oxidation(Ref. 8080/8097/8106). However, the proportion of each isomer generated become almost equal by supplementation of hydrogen donor such as tocopherol(Ref. 8041/8080/8106). |
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677 | 11-Hydroperoxy-5,8,12,14-Eicosatetraenoic Acid/11-Hydroperoxy-5,8,12,14-Eicosatetraenoate |
DFA8082 | Tetsuyuki Kobayashi |
C20H32O4 | 336.466 | Isomerization of hydroperoxides : Both 5- and 15-hydroperoxide were generated predominantly by autooxidation or singlet-oxygen mediated oxidation(Ref. 8080/8097/8106). However, the proportion of each isomer generated become almost equal by supplementation of hydrogen donor such as tocopherol(Ref. 8041/8080/8106). |
||||||||||||||||||||||
678 | 12-Hydroperoxy-5,8,10,14-Eicosatetraenoic Acid/12-Hydroperoxy-5,8,10,14-Eicosatetraenoate |
DFA8083 | Tetsuyuki Kobayashi |
C20H32O4 | 336.466 | IR(Me-ester; after reduction)(Ref. 8105) conjugated cis, trans diene: 985,950cm-1, conjugated trans, trans diene: 989cm-1 |
Isomerization of hydroperoxides : Both 5- and 15-hydroperoxide were generated predominantly by autooxidation or singlet-oxygen mediated oxidation(Ref. 8080/8097/8106). However, the proportion of each isomer generated become almost equal by supplementation of hydrogen donor such as tocopherol(Ref. 8041/8080/8106). |
|||||||||||||||||||||
679 | 15-Hydroperoxy-5,8,11,13-Eicosatetraenoic Acid/15-Hydroperoxy-5,8,11,13-Eicosatetraenoate |
DFA8084 | Tetsuyuki Kobayashi |
C20H32O4 | 336.466 | IR(Me-ester; after reduction)(Ref. 8105) conjugated cis, trans diene: 985, 950cm-1, conjugated trans, trans diene: 989cm-1 |
Isomerization of hydroperoxides : Both 5- and 15-hydroperoxide were generated predominantly by autooxidation or singlet-oxygen mediated oxidation(Ref. 8080/8097/8106). However, the proportion of each isomer generated become almost equal by supplementation of hydrogen donor such as tocopherol(Ref. 8041/8080/8106). |
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680 | 6-Hydroperoxy-4,8,11,14-Eicosatetraenoic Acid/6-Hydroperoxy-4,8,11,14-Eicosatetraenoate |
DFA8085 | Tetsuyuki Kobayashi |
C20H32O4 | 336.466 | Isomerization of hydroperoxides : Both 5- and 15-hydroperoxide were generated predominantly by autooxidation or singlet-oxygen mediated oxidation(Ref. 8080/8097/8106). However, the proportion of each isomer generated become almost equal by supplementation of hydrogen donor such as tocopherol(Ref. 8041/8080/8106). |
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681 | 14-Hydroperoxy-5,8,11,15-Eicosatetraenoic Acid/14-Hydroperoxy-5,8,11,15-Eicosatetraenoate |
DFA8086 | Tetsuyuki Kobayashi |
C20H32O4 | 336.466 | Isomerization of hydroperoxides: Both 5- and 15-hydroperoxide were generated predominantly by autooxidation or singlet-oxygen mediated oxidation(Ref. 8080/8097/8106). However, the proportion of each isomer generated become almost equal by supplementation of hydrogen donor such as tocopherol(Ref. 8041/8080/8106). |
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682 | 5,12-Dihydroperoxy-6,8,10,14-Eicosatetraenoic Acid/5,12-Dihydroperoxy-6,8,10,14-Eicosatetraenoate |
DFA8087 | Tetsuyuki Kobayashi |
C20H32O6 | 368.464 | UV(Me-ester)(Ref. 8098) conjugated triene: 270nm and 281nm |
IR(Me-ester)(Ref. 8098) OOH group: 3400cm-1 |
1H-NMR(Me-ester)(Ref. 8098)OOH: 8.3ppm |
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683 | 5,15-Dihydroperoxy-6,8,11,13-Eicosatetraenoic Acid/5,15-Dihydroperoxy-6,8,11,13-Eicosatetraenoate |
DFA8088 | Tetsuyuki Kobayashi |
C20H32O6 | 368.464 | UV(Me-ester)(Ref. 8098) conjugated diene: 236nm |
IR(Me-ester)(Ref. 8098) OOH group: 3400cm-1 |
1H-NMR(Me-ester)(Ref. 8098) OOH: 8.3ppm |
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684 | 8,15-Dihydroperoxy-5,9,11,13-Eicosatetraenoic Acid/8,15-Dihydroperoxy-5,9,11,13-Eicosatetraenoate |
DFA8089 | Tetsuyuki Kobayashi |
C20H32O6 | 368.464 | UV(Me-ester)(Ref. 8098) conjugated triene: 270nm and 281nm |
Autooxidation of arachidonic acid(Ref. 8097). In degradation products of 15-hydroperoxides of arachidonic acid in the presence of Fe(III)-ascorbic acid. Oxidation of arachidonic acid by singlet-oxygen(Ref. 8098). It is produced enzymatically from 15-HPETE in vivo(8,15-DHPETE)(Ref. 8103/8104). It is produced from 15-HPETE by soy bean lipoxygenase(Ref. 8108). |
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685 | 7-[3,5-Epidioxy-2-(2-Octenyl)Cyclopentyl]-5-Hydroperoxy-6-Heptenoic Acid/7-[3,5-Epidioxy-2-(2-Octenyl)Cyclopentyl]-5-Hydroperoxy-6-Heptenoate |
DFA8090 | Tetsuyuki Kobayashi |
C20H32O6 | 368.464 | GC-EI-MS(Me-ester; after reduction and TMS)(Ref. 8080): m/e=569[M-CH3]; 494[M-HOTMS]; 483[M-(CH2)3COOCH3]; 404[M-2xHOTMS]; 378[494-SMTO=CHCH2]; 367[M-SMTOCH=CHCH=OTMS]; 203[SMTO=CH(CH2)3COOCH3]; 191[SMTO=CHOTMS] |
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686 | 7-[3,5-Epidioxy-2-(3-Hydroperoxy-1-Octenyl)Cycropentyl]-5-Heptenoic Acid/7-[3,5-Epidioxy-2-(3-Hydroperoxy-1-Octenyl)Cycropentyl]-5-Heptenoate |
DFA8091 | Tetsuyuki Kobayashi |
C20H32O6 | 368.464 | GC-EI-MS(Me-ester; after reduction and TMS)(Ref. 8080): m/e=569[M-CH3]; 513[M-(CH2)4CH3]; 494[M-HOTMS]; 404[M-2xHOTMS]; 378[494-SMTO=CHCH2]; 367[M-SMTOCH=CHCH=OTMS]; 191[SMTO=CHOTMS]; 173[SMTO=CH(CH2)4CH3]; GC-EI-MS(Me-ester; after reduction, hydrogenation and TMS) |
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687 | Methyl 9,11-Epidioxy-12,15-Dihydroperoxy-5,7,13-Eicosatrienoate |
DFA8092 | Tetsuyuki Kobayashi |
C21H34O8 | 414.490 | GC-EI-MS(after reduction, hydrogenation and TMS-derivatization)(Ref. 8097): m/e=517[M-(CH2)4CH3-HOTMS]; 483[M-CH3-2xHOTMS]; 467[M-OCH3-2xHOTMS]; 431[M-(CH2)7COOCH3-HOTMS]; 427[517-HOTMS]; 341[431-HOTMS]; 375[SMTO=CHCH2CH(OTMS)(CH2)7COOCH3] |
In degradation products of 15-hydroperoxides of arachidonic acid in the presence of Fe(III)-ascorbic acid. Oxidation of arachidonic acid in the presence of Fe(III)-ascorbic acid(Ref. 8097). |
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688 | Methyl 6,8-Epidioxy-5,15-Dihydroperoxy-9,11,13-Eicosatrienoate |
DFA8093 | Tetsuyuki Kobayashi |
C21H34O8 | 414.490 | GC-EI-MS(after reduction, hydrogenation and TMS-derivatization)(Ref. 8097): m/e=517[M-(CH2)4CH3-HOTMS]; 427[M-(CH2)4CH3-2xHOTMS]; 385[M-SMTO=CH(CH2)3COOCH3-HOTMS]; 359[SMTO=CH(CH2)6CH(OTMS)(CH2)4CH3]; 337[M-(CH2)4CH3-3xHOTMS] |
In degradation products of 15-hydroperoxides of arachidonic acid in the presence of Fe(III)-ascorbic acid. Oxidation of arachidonic acid in the presence of Fe(III)-ascorbic acid(Ref. 8097). |
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689 | Methyl 6,8,9,11-Bisepidioxy-5-Hydroperoxy-12,14-Eicosadienoate |
DFA8094 | Tetsuyuki Kobayashi |
C21H34O8 | 414.490 | GC-EI-MS(after reduction, hydrogenation and TMS-derivatization)<<>>: m/e=473[M-SMTO=CH(CH2)3COOCH3-HOTMS]; 383[M-SMTO=CH(CH2)3COOCH3-2xHOTMS]; 331[SMTO=CHCH2CH(OTMS)CH(OTMS)(CH2)3COOCH3-HOTMS]; 241[SMTO=CHCH2CH(OTMS)CH(OTMS)(CH2)3COOCH3-2xHOTMS] |
In degradation products of 11-hydroperoxides of arachidonic acid in the presence of Fe(III)-ascorbic acid. |
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690 | Methyl 4-[2-(2-Formylvinyl)-3-Hydroxy-5-Oxocyclopentanyl]Butanoate |
DFA8095 | Tetsuyuki Kobayashi |
C13H19O5 | 255.287 | OH group: 3500cm-1; five-membered ring ketone: 1740cm-1; ester corbonyl: 1730cm-1; conjugated aldehyde: 1690cm-1; trans unsaturation: 980cm-1 (Ref. 8107) |
GC-EI-MS(Me-ester; after reduction WITH NaBH4 and TMS-derivatization)(Ref. 8107): m/e=459[M-CH3]; 443[M-OCH3]; 384[M-HOTMS]; 373[M-(CH2)3COOCH3]; 358[459-(CH2)3COOCH3]; 294[M-2xHOTMS]; 255[M-SMTOC3H5OTMS]; 243[SMTOC5H5OTMS]; 191[SMTOCHOTMS]; 167[C6H6OTMS] |
It is produced from oxidation of 8-hydroperoxides of arachidonic acid(Ref. 8107). |
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691 | 5-Hydroperoxy-6,8,11,14,17-Icosapentaenoic Acid/5-Hydroperoxy-6,8,11,14,17-Icosapentaenoate |
DFA8096 | Tetsuyuki Kobayashi |
C20H30O4 | 334.450 | IR(Me-ester)(Ref. 8109): OOH group: 3400cm-1 |
1H-NMR(Ref. 8109): OOH proton: 8.5ppm |
Isomerization of hydroperoxides generated from icosapentaenoete by autooxidation: the proportion of 5-, 18-isomer (outer hydroperoxides) is higher than that of other isomer (8-,9-,11-,12-,14-,15-isomer[inner hydroperoxides])(Ref. 8110). |
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692 | Methyl 6-Hydroperoxy-4,8,11,14,17-Icosapentaenoate |
DFA8097 | Tetsuyuki Kobayashi |
C21H32O4 | 348.476 | OOH group: 3400cm-1 (Ref. 8109) |
1H-NMR(Ref. 8109): OOH proton: 8.5ppm |
Oxidation of icosapentaenoate by singlet-oxygen(Ref. 8109). |
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693 | Methyl 8-Hydroperoxy-5,9,11,14,17-Icosapentaenoate |
DFA8098 | Tetsuyuki Kobayashi |
C21H32O4 | 348.476 | conjugated diene: lmax=235.5nm (Ref. 8109) |
OOH group: 3400cm-1 (Ref. 8109) |
1H-NMR(Ref. 8109): OOH proton: 8.5ppm |
Isomerization of hydroperoxides generated from icosapentaenoete by autooxidation: the proportion of 5-, 18-isomer (outer hydroperoxides) is higher than that of other isomer (8-,9-,11-,12-,14-,15-isomer[inner hydroperoxides])(Ref. 8110). |
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694 | Methyl 9-Hydroperoxy-5,7,11,14,17-Icosapentaenoate |
DFA8099 | Tetsuyuki Kobayashi |
C21H32O4 | 348.476 | conjugated diene: lmax=235.5nm (Ref. 8109) |
OOH group: 3400cm-1 (Ref. 8109) |
1H-NMR(Ref. 8109): OOH proton: 8.5ppm |
GC-EI-MS(after reduction and TMS-derivatization)(Ref. 8109): m/e=404[M]; 389[M-CH3] 314[M-HOTMS], GC-EI-MS(Me-ester: after reduction, hydrogenation and TMS-derivatization) (125): m/e=399[M-CH3]; 383[M-OCH3]; 367[399-CH3OH] |
Isomerization of hydroperoxides generated from icosapentaenoete by autooxidation: the proportion of 5-, 18-isomer (outer hydroperoxides) is higher than that of other isomer (8-,9-,11-,12-,14-,15-isomer[inner hydroperoxides])(Ref. 8110). |
||||||||||||||||||
695 | Methyl 11-Hydroperoxy-5,8,12,14,17-Icosapentaenoate |
DFA8100 | Tetsuyuki Kobayashi |
C21H32O4 | 348.476 | conjugated diene: lmax=235.5nm (Ref. 8109) |
OOH group: 3400cm-1 (Ref. 8109) |
1H-NMR(Ref. 8109): OOH proton: 8.5ppm |
Isomerization of hydroperoxides generated from icosapentaenoete by autooxidation: the proportion of 5-, 18-isomer (outer hydroperoxides) is higher than that of other isomer (8-,9-,11-,12-,14-,15-isomer[inner hydroperoxides])(Ref. 8110). |
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696 | Cucurbic acid |
3-Hydroxy-2-(2-pentenyl)-cyclopentane 1-acetic acid |
DFA8101 | Tetsuyuki Kobayashi |
C12H20O3 | 212.285 | At concentrations above 10 -6 M, cucurbic acid exhibits strong tuber-inducing activity in single-node segments of etiolated potato shoots(Ref. 8127). |
Cucurbic acid is a naturally occurring metabolite of 7-epi jasmonic acid which acts as a plant growth regulator. |
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697 | 5S,6R-dihydroxy-7E,9E,11Z,14Z-eicosatetraenoic acid |
DFA8102 | Tetsuyuki Kobayashi |
5(S),6(R)-DiHETE |
C20H32O4 | 336.466 | 5(S),6(R)-DiHETE is a weak LTD 4 receptor agonist in guinea pig lung membranes(Ref. 8129). It induces guinea pig ileum contraction with an ED value of 1.3 mM. |
Soluble in ethanol. |
lmax:273nm e:40,000 |
5S,6R-DiHETE is a dihydroxy polyunsaturated fatty acid and a nonenzymatic hydrolysis product of leukotriene A 4 . |
Mouse liver cytosolic epoxide hydrolase catalyzes the conversion of LTA to 5,6-DiHETE(Ref. 8128). |
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698 | 5S,6S-dihydroxy-7E,9E,11Z,14Z-eicosatetraenoic acid |
DFA8103 | Tetsuyuki Kobayashi |
5(S),6(S)-DiHETE |
C20H32O4 | 336.466 | 5(S),6(S)-DiHETE does not have a significant leukotriene-like activity(Ref. 8130). |
lmax:273nm e:40,000 |
5(S),6(S)-DiHETE is a dihydroxy polyunsaturated fatty acid and a nonenzymatic hydrolysis product of leukotriene A 4 . |
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699 | 5S,15S-dihydroxy-6E,8Z,10Z,13E-eicosatetraenoic acid |
DFA8104 | Tetsuyuki Kobayashi |
5(S),15(S)-DiHETE |
C20H32O4 | 336.466 | lmax: 243nm e: 33,500 |
5(S),15(S)-DiHETE is synthesized by 15-lipoxygenase from 5(S)-HETE (Ref. 8131). |
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700 | 8S,15S-dihydroxy-5Z,9E,11Z,13E-eicosatetraenoic acid |
DFA8105 | Tetsuyuki Kobayashi |
8(S),15(S)-DiHETE |
C20H32O4 | 336.466 | 8(S),15(S)-diHETE causes chemotaxis of human eosinophils with an ED 50 of 1.5 mM but is not chemotactic for neutrophils (Ref. 8133). 8(S),15(S)-diHETE exhibits hypoalgesic activity by antagonizing the hyperalgesic activity of 8(R),15(S)-diHETE and LTB 4 when measuring nociceptive activity in the rat hindpaw model of pain <<>8134>. |
lmax: 269 nm e: 40,000 |
8(S),15(S)-DiHETE is formed when15(S)-HETE is subjected to further oxidation by 15-lipoxygenase (Ref. 8133). |
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701 | ()5, 6-dihydroxy-8Z,11Z,14Z-eicosatrienoic acid |
DFA8106 | Tetsuyuki Kobayashi |
()5,6-DiHETrE |
C20H34O4 | 338.482 | ||||||||||||||||||||||
702 | ()8,9-dihydroxy-5Z,11Z,14Z-eicosatrienoic acid |
DFA8107 | Tetsuyuki Kobayashi |
()8,9-DiHETrE |
C20H34O4 | 338.482 | Epoxide hydrolases convert the EpETrEs into vicinal diols(Ref. 8130), with the concurrent loss of much of their biological activity. The 8(S),9(R)-EpETrE isomer is metabolized by platelet cyclooxygenase to form 8(S),9(R)-THETA, a trihydroxy fatty acid which may act as a renal vasoconstrictor(Ref. 8135). |
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703 | ()11,12-dihydroxy-5Z,8Z,14Z-eicosatrienoic acid |
DFA8108 | Tetsuyuki Kobayashi |
()11,12-DiHETrE |
C20H34O4 | 338.482 | Epoxide hydrolases convert the EpETrEs into vicinal diols(Ref. 8130), with the concurrent loss of much of their biological activity. |
|||||||||||||||||||||
704 | ()14,15-dihydroxy-5Z,8Z,11Z-eicosatrienoic acid |
DFA8109 | Tetsuyuki Kobayashi |
()14,15-DiHETrE |
C20H34O4 | 338.482 | ||||||||||||||||||||||
705 | ()5(6)-epoxy-8Z,11Z,14Z-eicosatrienoic acid |
DFA8110 | Tetsuyuki Kobayashi |
()5(6)-EpETrE |
C20H32O3 | 320.466 | ||||||||||||||||||||||
706 | ()8(9)-epoxy-5Z,11Z,14Z-eicosatrienoic acid |
DFA8111 | Tetsuyuki Kobayashi |
()8(9)-EpETrE |
C20H32O3 | 320.466 | ||||||||||||||||||||||
707 | ()11(12)-epoxy-5Z,8Z,14Z-eicosatrienoic acid |
DFA8112 | Tetsuyuki Kobayashi |
()11(12)-EpETrE |
C20H32O3 | 320.466 | ()11(12)-EpETrE has been shown, along with ()8(9)-EpETrE, to play a role in the recovery of depleted Ca2+ pools in cultured smooth muscle cells (Ref. 8141). |
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708 | ()14(15)-epoxy-5Z,8Z,11Z-eicosatrienoic acid |
DFA8113 | Tetsuyuki Kobayashi |
()14(15)-EpETrE |
C20H32O3 | 320.466 | Dramatic increases in urinary ()14,15-DiHETrE, a ()14(15)-EpETrE metabolite, have been documented by GC/MS in pregnancy induced hypertension (Ref. 8136). |
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709 | 11R-hydroxy-12E,14Z-eicosadienoic acid |
DFA8114 | Tetsuyuki Kobayashi |
11(R)-HEDE |
C20H36O3 | 324.498 | lmax: 234nm e: 23,000 |
11(R)-HEDE is produced from 11Z,14Z-eicosadienoic acid by cyclooxygenase in a lipoxygenase-type reaction (Ref. 8142). |
||||||||||||||||||||
710 | 11S-hydroxy-12E,14Z-eicosadienoic acid |
DFA8115 | Tetsuyuki Kobayashi |
11(S)-HEDE |
C20H36O3 | 324.498 | lmax: 234nm e: 23,000 |
|||||||||||||||||||||
711 | 15R-hydroxy-11Z-13E-eicosadienoic acid |
DFA8116 | Tetsuyuki Kobayashi |
15(R)-HEDE |
C20H36O3 | 324.498 | lmax: 234nm e: 23,000 |
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712 | 15S-hydroxy-11Z,13E-eicosadienoic acid |
DFA8117 | Tetsuyuki Kobayashi |
15(S)-HEDE |
C20H36O3 | 324.498 | 15(S)-HEDE is an inhibitor of RBL-1 cell 5-lipoxygenase with an IC50 of 26 mM(Ref. 8143). |
lmax: 234nm e: 23,000 |
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713 | 5S-hydroxy-6E,8Z,11Z,14Z,17Z-eicosapentaenoic acid |
DFA8118 | Tetsuyuki Kobayashi |
5(S)-HEPE |
C20H30O3 | 318.450 | lmax: 236nm e: 23,000 |
|||||||||||||||||||||
714 | ()-8-hydroxy-5Z,9E,11Z,14Z,17Z-Eicosapentaenoic acid |
DFA8119 | Tetsuyuki Kobayashi |
()8-HEPE |
C20H30O3 | 318.450 | lmax: 236nm e: 23,000 |
()8-HEPE is the major eicosanoid extract from the barnacle, E. modestus. (Ref. 8146). |
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715 | 8S-hydroxy-5Z,9E,11Z,14Z,17Z-Eicosapentaenoic acid |
DFA8120 | Tetsuyuki Kobayashi |
8(S)-HEPE |
C20H30O3 | 318.450 | lmax: 236nm e: 23,000 |
|||||||||||||||||||||
716 | 9S-hydroxy-5Z,7E,11Z,14Z,17Z-Eicosapentaenoic acid |
DFA8121 | Tetsuyuki Kobayashi |
9(S)-HEPE |
C20H30O3 | 318.450 | Almost all hydroxy-polyunsaturated fatty acids have been implicated in inflammatory reactions in humans. However, there have not been reports specifying the biological activity of 9(S)-HEPE. |
lmax: 235nm e: 23,000 |
||||||||||||||||||||
717 | 11R-hydroxy-5Z,8Z,12E,14Z,17Z-Eicosapentaenoic acid |
DFA8122 | Tetsuyuki Kobayashi |
11(R)-HEPE |
C20H30O3 | 318.450 | lmax: 236nm e: 23,000 |
|||||||||||||||||||||
718 | 11S-hydroxy-5Z,8Z,12E,14Z,17Z-Eicosapentaenoic acid |
DFA8123 | Tetsuyuki Kobayashi |
11(S)-HEPE |
C20H30O3 | 318.450 | Almost all hydroxy-polyunsaturated fatty acids have been implicated in inflammatory reactions in humans. However, there have not been reports specifying the biological activity of 11(S)-HEPE. |
lmax: 236nm e: 23,000 |
||||||||||||||||||||
719 | 12R-hydroxy-5Z,8Z,12E,14Z,17Z-Eicosapentaenoic acid |
DFA8124 | Tetsuyuki Kobayashi |
12(R)-HEPE |
C20H30O3 | 318.450 | lmax: 237nm e: 23,000 |
12(R)-HEPE is a monohydroxy fatty acid synthesized from EPA by the eggs of the sea urchin S. purpuratus (Ref. 8204). |
||||||||||||||||||||
720 | 12S-hydroxy-5Z,8Z,10E,14Z,17Z-eicosapentaenoic acid |
DFA8125 | Tetsuyuki Kobayashi |
12(S)-HEPE |
C20H30O3 | 318.450 | lmax: 237nm e: 23,000 |
12(S)-HEPE is a monohydroxy fatty acid synthesized from EPA by the action of 12-lipoxygenase. |
||||||||||||||||||||
721 | 15S-hydroxy-5Z,8Z,11Z,13E,17Z-eicosapentaenoic acid |
DFA8126 | Tetsuyuki Kobayashi |
15(S)-HEPE |
C20H30O3 | 318.450 | 15(S)-HEPE generated by soybean lipoxygenation of EPA inhibits RBL-1 cell 5-lipoxygenase with an IC50 of 28 mM(Ref. 8151). |
lmax: 236nm e: 23,000 |
The biosynthesis of 15-HEPE from EPA in guinea pig epidermal enzyme preparations has been documented (Ref. 8151). |
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722 | 3R-hydroxy-5Z,8Z,11Z,14Z-eicosatetraenoic acid |
DFA8127 | Tetsuyuki Kobayashi |
3(R)-HETE |
C20H32O3 | 320.466 | 3(R)-HETE enhances the formation of platelet activating factor and release of arachidonic acid from human nutrophils (Ref. 8152). |
|||||||||||||||||||||
723 | 5R-hydroxy-6E,8Z,11Z,14Z-eicosatetraenoic acid |
DFA8128 | Tetsuyuki Kobayashi |
5(R)-HETE |
C20H32O3 | 320.466 | 5(R)-HETE is a potent chemotactic agent. 5(R)-HETE induces human neutrophil migration across cellular and noncellular barriers in a dose- and time-dependent fashion, whereas 5(S)-HETE is inactive. (Ref. 8153). |
lmax: 236nm e: 27,000 |
5(R)-HETE is a monohydroxy polyunsaturated fatty acid produced by the nonenzymatic oxidation of arachidonic acid. |
|||||||||||||||||||
724 | 5S-hydroxy-6E,8Z,11Z,14Z-eicosatetraenoic acid |
DFA8129 | Tetsuyuki Kobayashi |
5(S)-HETE |
C20H32O3 | 320.466 | 5(S)-HETE is incorporated specifically into phosphatidylcholine and glycerol esters causing the inhibition of prostaglandin I2 and E2 synthesis in histamine or arachidonic acid stimulated human endothelial cells (Ref. 8154). |
lmax: 236nm e: 27,000 |
5(S)-HETE is a monohydroxy polyunsaturated fatty acid produced by the action of 5-lipoxygenase on arachidonic acid. |
5(S)-HETE is metabolized to 5-OxoETE by a 5-hydroxyeicosanoid dehydrogenase present in intact human polymorphonuclear leukocytes (Ref. 8155). |
||||||||||||||||||
725 | 8R-hydroxy-5Z,9E,11Z,14Z-eicosatetraenoic acid |
DFA8130 | Tetsuyuki Kobayashi |
8(R)-HETE |
C20H32O3 | 320.466 | lmax: 237nm e: 27,000 |
The precursor of 8(R)-HETE, 8(R)-HpETE, is the putative intermediate in the biosynthesis of marine prostaglandins via the allene oxide synthase pathway.(Ref. 8157). |
||||||||||||||||||||
726 | 8S-hydroxy-5Z,9E,11Z,14Z-eicosatetraenoic acid |
DFA8131 | Tetsuyuki Kobayashi |
8(S)-HETE |
C20H32O3 | 320.466 | lmax: 237nm e: 27,000 |
8(S)-HETE is a major lipoxygenase product in PMA-treated mouse epidermis (Ref. 8158). |
8(S)-HETE is synthesized from arachidonic acid by a 8(S)-lipoxygenase present in phorbol ester-treated mouse skin (Ref. 8158). |
|||||||||||||||||||
727 | 9R-hydroxy-5Z,7E,11Z,14Z-eicosatetraenoic acid |
DFA8132 | Tetsuyuki Kobayashi |
9(R)-HETE |
C20H32O3 | 320.466 | lmax: 235nm e: 27,000 |
|||||||||||||||||||||
728 | 9S-hydroxy-5Z,7E,11Z,14Z-eicosatetraenoic acid |
DFA8133 | Tetsuyuki Kobayashi |
9(S)-HETE |
C20H32O3 | 320.466 | lmax: 235nm e: 27,000 |
|||||||||||||||||||||
729 | 11R-hydroxy-5Z,8Z,12E,14Z-eicosatetraenoic acid |
DFA8134 | Tetsuyuki Kobayashi |
11(R)-HETE |
C20H32O3 | 320.466 | lmax: 235nm e: 27,000 |
|||||||||||||||||||||
730 | 11S-hydroxy-5Z,8Z,12E,14Z-eicosatetraenoic acid |
DFA8135 | Tetsuyuki Kobayashi |
11(S)-HETE |
C20H32O3 | 320.466 | lmax: 236nm e: 27,000 |
The synthesis of 11-HETE by rat polymorphonuclear neutrophils has been reported (Ref. 8163), but the stereochemistry of the 11-HETE produced was not defined. |
||||||||||||||||||||
731 | 12R-hydroxy-5Z,8Z,10E,14Z-eicosatetraenoic acid |
DFA8136 | Tetsuyuki Kobayashi |
12(R)-HETE |
C20H32O3 | 320.466 | 12(R)-HETE is the primary lipoxygenase product in invertebrates such as the sea urchin where it plays a role in reproduction physiology (Ref. 8161).1 12(R)-HETE has been isolated from several tissues in mammals, but it is controversial whether it is derived from cytochrome P450 or 12(R)-lipoxygenase metabolism, in some cases. 12(R)-HETE is a potent chemotactic factor exhibiting dose-dependent neutrophil chemotaxis with significant responses observed at doses as low as 10 -11 M (Ref. 8164). It produces neovascularization in rabbit corneas at 0.5 |
lmax: 237nm e: 27,000 |
12(R)-HETE is produced by the action of 12(R)-lipoxygenase on arachidonic acid (Ref. 8161). |
|||||||||||||||||||
732 | 8R-hydroxy-4Z,6E,10Z-hexadecatrienoic acid |
DFA8137 | Tetsuyuki Kobayashi |
8(R)-HHxTrE/2,3,4,5-tetranor 12(R)-HETE |
C16H26O3 | 266.376 | lmax: 234nm e: 23,000 |
Metabolism of 12(R)-HETE in corneal tissue produces predominantly the compound resulting from the loss of four carbon atoms through b-oxidation from C-1 (Ref. 8169). This metabolite is 8(R)-hydroxy hexadecatrienoic acid (8(R)-HHxTrE) or 2,3,4,5-tetranor 12(R)-HETE. |
||||||||||||||||||||
733 | 12-hydroxy-5Z,8Z,10E,14Z-eicosatetraenoic acid |
DFA8138 | Tetsuyuki Kobayashi |
12(S)-HETE |
C20H32O3 | 320.466 | lmax: 237nm e: 27,000 |
12(S)-HETE is a metabolite of arachidonic acid via the 12-lipoxygenase pathway (Ref. 8170). |
||||||||||||||||||||
734 | 15R-hydroxy-5Z,8Z,11Z,13E-eicosatetraenoic acid |
DFA8139 | Tetsuyuki Kobayashi |
15(R)-HETE |
C20H32O3 | 320.466 | lmax: 236nm e: 27,000 |
|||||||||||||||||||||
735 | 15S-hydroxy-5Z,8Z,11Z,13E-eicosatetraenoic acid |
DFA8140 | Tetsuyuki Kobayashi |
15(S)-HETE |
C20H32O3 | 320.466 | lmax: 236nm e: 27,000 |
15(S)-HETE is the metabolite of arachidonic acid from the 15-lipoxygenase pathway. |
||||||||||||||||||||
736 | 20-hydroxy-5Z,8Z,11Z,14Z-eicosatetraenoic acid |
DFA8141 | Tetsuyuki Kobayashi |
20-HETE |
C20H32O3 | 320.466 | ||||||||||||||||||||||
737 | 5S-hydroxy-6E,8Z,11Z-eicosatrienoic acid |
DFA8142 | Tetsuyuki Kobayashi |
5(S)-HETrE |
C20H34O3 | 322.482 | lmax: 235nm e: 23,000 |
|||||||||||||||||||||
738 | 8S-hydroxy-9E,11Z,14Z-eicosatrienoic acid |
DFA8143 | Tetsuyuki Kobayashi |
8(S)-HETrE |
C20H34O3 | 322.482 | lmax: 235nm e: 23,000 |
8(S)-HETrE is a monohydroxy polyunsaturated fatty acid produced by rabbit neutrophil lipoxygenase when dihomo-g-linolenic acid is used as a substrate (Ref. 8183). |
||||||||||||||||||||
739 | 15S-hydroxy-8Z,11Z,13E-eicosatrienoic acid |
DFA8144 | Tetsuyuki Kobayashi |
15(S)-HETrE |
C20H34O3 | 322.482 | Compared to a series of hydroxypolyenoic fatty acids, 15(S)-HETrE is a more potent inhibitor of human 5-lipoxygenase from polymorphonuclear leukocytes having an IC50 of 4.6mM at an arachidonic acid concentration of 5 mM (Ref. 8181). In rat basophilic leukemia cell lysates, 15(S)-HETrE inhibits 5-lypoxygenase with an IC50 of 77mM (arachidonic acid concentration of 60mM) <<>8182>. 15(S)-HETrE is 10- to 20-fold less potent than 15(S)-HETE and 15(S)-HpETE under these experimental conditions (Ref. 8182). |
lmax: 235nm e: 23,000 |
15(S)-HETrE is a hydroxy fatty acid derived from dihomo-g-linolenic acid. |
|||||||||||||||||||
740 | 12S-hydroxy-5Z,8E,10E-heptadecatrienoic acid |
DFA8145 | Tetsuyuki Kobayashi |
12(S)-HHTrE |
C17H28O3 | 280.402 | At a concentration of 0.5mM 12(S)-HHTrE stimulates prostacyclin production in human endothelial cells (Ref. 8185). |
lmax: 232nm e: 33,400 |
12(S)-HHTrE is produced either enzymatically by thromboxane A2 synthase on thromboxane A2 or by a nonenzymatic, heme-mediated decomposition of PGH (Ref. 8184). |
|||||||||||||||||||
741 | 13S-hydroxy-6Z,9Z,11E-octadecatrienoic acid |
DFA8146 | Tetsuyuki Kobayashi |
13(S)-HOTrE(g) |
C18H30O3 | 294.429 | lmax: 235nm e: 23,000 |
13(S)-HOTrE(g) is the 15-lipoxygenase product of g-linolenic acid. It is synthesized in human platelets. |
||||||||||||||||||||
742 | 15S-hydroperoxy-11Z,13E-eicosadienoic acid |
DFA8147 | Tetsuyuki Kobayashi |
15(S)-HpEDE |
C20H36O4 | 340.497 | Although the biological activities of 15(S)-HpEDE have not been well characterized, it is expected to behave similarly to 15(S)-HpETE. |
lmax: 234nm e: 23,000 |
15(S)-HpEDE is a monohydroperoxy polyunsaturated fatty acid produced by the action of 15-lipoxygenase on eicosadienoic acid. |
|||||||||||||||||||
743 | 5S-hydroperoxy-6E,8Z,11Z,14Z,17Z-eicosadienoic acid |
DFA8148 | Tetsuyuki Kobayashi |
5(S)-HpEPE |
C20H30O4 | 334.450 | lmax: 236nm e: 23,000 |
5(S)-HpEPE is formed by the action of 5-lipoxygenase on eicosapentaenoic acid (Ref. 8144). Production of 5(S)-HpEPE is the committing step in the formation of 5(S)-HpEPE and the 5-series leukotrienes. |
||||||||||||||||||||
744 | 12S-hydroperoxy-5Z,8Z,10E,14Z,17Z-eicosadienoic acid |
DFA8149 | Tetsuyuki Kobayashi |
12(S)-HpEPE |
C20H30O4 | 334.450 | lmax: 237nm e: 23,000 |
|||||||||||||||||||||
745 | 15S-hydroperoxy-5Z,8Z,11Z,13E,17Z-eicosadienoic acid |
DFA8150 | Tetsuyuki Kobayashi |
15(S)-HpEPE |
C20H30O4 | 334.450 | lmax: 236nm e: 23,000 |
|||||||||||||||||||||
746 | 13S-hydroperoxy-6Z,9Z,11E-octadecatrienoic acid |
DFA8151 | Tetsuyuki Kobayashi |
13(S)-HpOTrE(g) |
C18H30O4 | 310.428 | lmax: 235nm e: 23,000 |
13(S)-HpOTrE(g) is produced from g-linolenic acid by soybean 15-lipoxygenase (Ref. 8187). |
||||||||||||||||||||
747 | 12(s)-hydroxy-16-Heptadecynoic acid |
DFA8152 | Tetsuyuki Kobayashi |
C17H30O3 | 282.418 | 12(S)-hydroxy-16-heptadecynoic acid inhibits prostaglandin w-hydroxylase with a Ki of 1.8mM (Ref. 8188). |
||||||||||||||||||||||
748 | lipoxin A4 |
5S,6R,15S-trihydroxy-7E,9E,11Z,13E-eicosatetraenoic acid |
DFA8153 | Tetsuyuki Kobayashi |
LXA4 |
C20H32O5 | 352.465 | LXA is equipotent to LTB in inducing superoxide generation in human neutrophils (0.1mM) (Ref. 8190). LXA4 is associated with several other biological functions including leukocyte activation, chemotaxis promotion, natural killer cell inhibition, and monocyte migration and adhesion (Ref. 8190/8191/8192). |
lmax: 302nm e: 50,000 |
|||||||||||||||||||
749 | lipoxin B4 |
5S,14R,15S-trihydroxy-6E,8Z,10E,12E-eicosatetraenoic acid |
DFA8154 | Tetsuyuki Kobayashi |
LXB4 |
C20H32O5 | 352.465 | lmax: 302nm e: 50,000 |
LXB4 is a trihydroxy fatty acid containing a conjugated tetraene, isolated when arachidonic acid is incubated with A23187-stimulated mixtures of human platelets and granulocytes (Ref. 8189). |
|||||||||||||||||||
750 | 15-oxo-11Z,13E-eicosadienoic acid |
DFA8155 | Tetsuyuki Kobayashi |
15-OxoEDE/15-KEDE |
C20H34O3 | 322.482 | 15-OxoEDE is produced by the oxidation of 15-HEDE. Some other oxo-eicosanoids have been shown to be biosynthesized and to have potent inflammatory activity (Ref. 8193). |
lmax: 279nm e: 23,000 |
||||||||||||||||||||
751 | 5-oxo-6E,8Z,11Z,14Z-eicosatetraenoic acid |
DFA8156 | Tetsuyuki Kobayashi |
5-OxoETE/5-KETE |
C20H30O3 | 318.450 | lmax: 279nm e: 22,100 |
5-OxoETE is a polyunsaturated keto acid formed by the oxidation of 5-HETE in human neutrophils (Ref. 8193). |
||||||||||||||||||||
752 | 12-oxo-5Z,8Z,10E,14Z-eicosatetraenoic acid |
DFA8157 | Tetsuyuki Kobayashi |
12-OxoETE/12-KETE |
C20H30O3 | 318.450 | 12-OxoETE induces a rapid, dose related increase of cytoplasmic free calcium via a leukotriene B4 receptor or a common activation sequence (Ref. 8200). |
lmax: 280nm e: 30,000 |
||||||||||||||||||||
753 | 15-oxo-5Z,8Z,11Z,13E-eicosatetraenoic acid |
DFA8158 | Tetsuyuki Kobayashi |
15-OxoETE/15-KETE |
C20H30O3 | 318.450 | lmax: 279nm e: 22,000 |
|||||||||||||||||||||
754 | 12-oxo-phytodienoic acid |
4-oxo-5b-(2Z-pentenyl)-2-cyclopentene-1b-octanoic acid |
DFA8159 | Tetsuyuki Kobayashi |
12-oxo PDA |
C18H28O3 | 292.413 | 12-oxo PDA is present in seedlings of sunflower and corn plants. |
||||||||||||||||||||
755 | traumatic acid/trans-2-dodecenedioic acid |
2E-dodecenedioic acid |
DFA8160 | Tetsuyuki Kobayashi |
C12H20O4 | 228.285 | Traumatic acid is a wound-healing agent that stimulates cell division near a wound site to form a protective callus (Ref. 8203). |
Traumatic acid is a product of the hydroperoxide lyase pathway in plants. |
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JOURNAL | : | Lipids |
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JOURNAL | : | Lipids |
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VOL | : | 12 PAGE : 1055-1061 (1977) |
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JOURNAL | : | Lipids |
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VOL | : | 48 PAGE : 1735-1743 (1984) |
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VOL | : | 45 PAGE : 595-599 (1981) |
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TITLE | : | High Pressure Liquid Chromatography of Autoxidized Lipids: II. Hydroperoxycyclic Peroxides and Other Secondary Products from Methyl Linolenate |
JOURNAL | : | Lipids |
VOL | : | 16 PAGE : 439-448 (1981) |
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TITLE | : | Prostaglandin- Like Substances Formed during Autoxidation of Methyl Linoleate |
JOURNAL | : | Lipids |
VOL | : | 21 PAGE : 553-557 (1986) |
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VOL | : | 28 PAGE : 365-378 (1981) |
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JOURNAL | : | Lipids |
VOL | : | 17 PAGE : 780-790 (1982) |
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JOURNAL | : | Lipids |
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JOURNAL | : | Lipids |
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TITLE | : | A New Reaction of Unsaturated Fatty Acid Hydroperoxides: Formation of 11-Hydroxy-12,13- Epoxy-9- Octadecenoic Acid from 13- Hydroperoxy-9,11- Octadecadienoic Acid |
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TITLE | : | The Peroxidizing Effect of a- Tocopherol on Autoxidation of Methyl Linoleate in Bulk Phase |
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TITLE | : | Nonenzymatic Oxidation Products of Methyl Arachidonate |
JOURNAL | : | Agric. Biol. Chem. |
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