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Vitamin A


DATA No : VVA0013 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-tetraenal

COMMON NAME: All-Trans-3,4-Didehydro Retinal
SYMBOL:
FORMULA: C20H26O MOL.WT (average) : 282.420


Download ChemDraw structure data
BIOLOGICAL ACTIVITY
57% of relative biological activity of all-trans-retinyl acetate.(Ref. 0046)
PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:78-79,66-68degC(Ref. 0013)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:lmax=401,314nm (E:1470, 395 respectively in ethanol)(Ref. 0013)

IR SPECTRA:

NMR SPECTRA:13C-NMR(d,CDCl3,22.63MHz):12.9,13.1,20.3,26.8,26.8,34.0,40.0,125.0,127.7,128.3,129.0,130.0,130.0,132.3,134.8,136.4,138.2,140.9,154.3,190.5(Ref. 0004)

MASS SPECTRA:

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
Freshwater fish retina
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.