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Vitamin A


DATA No : VVA0002 INFORMANT : Hiroyuki Kagechika

NAME : (2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethyl-cyclohex-1,3-dienyl)-nona-2,4,6,8-tetraen-1-ol

COMMON NAME: All-Trans-3,4-Didehydro Retinol
SYMBOL:
FORMULA: C20H28O MOL.WT (average) : 284.436


Download ChemDraw structure data
BIOLOGICAL ACTIVITY
40-51% of relative biological activity of all-trans-retinyl acetate as a acetate form. (Ref. 0046)
PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:63-65,17-19degC(Ref. 0013)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:

DENSITY:

SOLUBILITY:nsol in water or glycerol. Sol in abs alcohol, methanol, chloroform, ether, fats and oils
SPECTRAL DATA
UV SPECTRA:lmax=350,286,276 nm(E1%1cm 1,455, 715, 555 in ethanol)(Ref. 0013)

IR SPECTRA:

NMR SPECTRA:13C-NMR(d,CDCl3,22.63MHz):12.6,12.6,20.2,26.7,26.7,33.9,39.9,59.2,124.7,124.9,125.4,126.5,129.9,130.6,130.8,135.7,136.4,136.7,137.1,138.5(Ref. 0004)

MASS SPECTRA:

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
freshwater fish liver oils
CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[0004]
AUTHOR:Englert, G.
TITLE:A 13C-NMR. Study of cis-trans isomeric vitamins A, carotenoids and related compounds PubMed ID:1194053
JOURNAL:Helv Chim Acta.
VOL:58 PAGE : 2367-2390 (1975)
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[0013]
AUTHOR:Tsukita kiyoshi, Yoshizawa Tohru, Matsumoto Hiroyuki(1975) Vitamin to Hokouso (eds Nihon Seikagakukai) Chapter.14 Vitamin A pp.549 Tokyo Kagaku Dojin
TITLE:
JOURNAL:
VOL: PAGE : - ()
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[0046]
AUTHOR:Seikagaku Hand Book (eds. Nihon Seikagakukai) pp.1274-1277. Tokyo Kagaku Dojin
TITLE:
JOURNAL:
VOL: PAGE : - ()
[TOP]

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