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Steroid


DATA No : SST9079 INFORMANT : Etsuko Yasugi

NAME : 4a,14a,24-trimethyl-5a-cholesta-8,24(28)-dien-3b-ol

COMMON NAME: obtusifoliol
SYMBOL:
FORMULA: C30H50O1 MOL.WT (average) : 426.717


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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:134-135degC (Ref. 9129) acetate m.p. 111-113degC (Ref. 9130)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:[a]D +68.2deg acetate [a]D +102deg (Ref. 9129)

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:

IR SPECTRA:

NMR SPECTRA:acetate 1H-NMR(CDCl3) (Ref. 9107), acetate 13C-NMR(CDCl3) (Ref. 9102)

MASS SPECTRA:acetate 468(60)M+,453(100),408(4),393(24),369(9),341(2),324(3),301(9),287 (22),227(20) (Ref. 9128)

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
higher plants (Ref. 9105), euphorbe (tithymalus) plants latex (Ref. 9129)
CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[9102]
AUTHOR:Akihisa,T. and Matsumoto,T.
TITLE:13C-NMR Spectra of Sterols and Triterpene Alcohols (in Japanese language) .
JOURNAL:J. Jpn. Oil Chem. Soc.(Yukagaku)
VOL:36 PAGE : 301 -319 (1987)
[TOP]

[9105]
AUTHOR:Akihisa,T.
TITLE:Studies on the Sterols and Triterpene Alcohols of Vegetable Oils (in Japanese language).
JOURNAL:J. Jpn. Oil Chem. Soc. (Yukagaku)
VOL:35 PAGE : 716 -724 (1986)
[TOP]

[9107]
AUTHOR:Iida,T. and Matsumoto,T.
TITLE:NMR Spectra of Sterols(in Japanese language)
JOURNAL:J. Jpn. Oil Chem. Soc.(Yukagaku)
VOL:29 PAGE : 141 -161 (1980)
[TOP]

[9128]
AUTHOR:Itoh,T., Uchikawa,K., Tamura,T., and Matsumoto,T.
TITLE:Two New 4a-Methylsterols in the Seeds of Brassica Napus.
JOURNAL:Phytochemistry
VOL:16 PAGE : 1448 -1450 (1977)
[TOP]

[9129]
AUTHOR:Gonzalez,A.G., and Breton,J.L.
TITLE:The Canary Islands Euphorbia Latex. V. Euphorbia Obtusifolia
JOURNAL:Anals Real Soc. Espan. Fis. Quim.
VOL:47 PAGE : 363 -368 (1951)
[TOP]

[9130]
AUTHOR:Akihisa,T., Yokota,T., Takahashi,N., Tamura,T., and Matsumoto,T.
TITLE:25-Methylgramisterol and Other 4a-Methylsterols from Phaseolus Vulgaris Seeds.
JOURNAL:Phytochemistry
VOL:28 PAGE : 1219 -1224 (1989)
[TOP]

Last updated June 19, 2007. Copyright © 1989-2007 Japanese Conference on the Biochemistry of Lipids (JCBL). All rights reserved.