Back to HOME

Vitamin A


DATA No : VVA0014 INFORMANT : Hiroyuki Kagechika

NAME : (2E,4E,6Z,8E)-3,7-Dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraenal

COMMON NAME: 9-cis-retinal
SYMBOL:
FORMULA: C20H28O MOL.WT (average) : 284.436


Download ChemDraw structure data
BIOLOGICAL ACTIVITY
Relative physiological activity for All trans-retinyl acetate is 19%.(Ref. 0046)
PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:64degC(Ref. 0013)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:lmax=373nm (E:1270 respecticely in ethanol)(Ref. 0013)

IR SPECTRA:

NMR SPECTRA:1H-NMR(d,CDCl3,220MHz):1.05(6H,1-Me),1.75(3H,5-Me),2.00(3H,9-Me),2.30 (3H,13-Me),5.94(1H,J=8.2Hz,14-H),6.06(1H,J=11.8Hz,10-H),6.27(1H,J=15.4Hz,12-H),6.31(1H,J=15.9Hz,7-H),6.64(1H,J=15.9Hz,8-H),7.20(1H,J=11.8,15.4Hz,11-H),10.07(1H,J=8.2Hz,CHO)(Ref. 0003)
13C-NMR(d,CDCl3,22.63MHz):13.2,19.3,20.9,21.8,29.0,29.0,33.2,34.1,39.7,127.9,128.9,129.4,130.4,131.1,131.2,133.8,138.1,140.0,154.3,167.8(CO)(Ref. 0004)

MASS SPECTRA:

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE

CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[0003]
AUTHOR:Schwieter, U., Englert, G., Rigassi, N., and Vetter, W.
TITLE:Physical organic methods in carotenoid research PubMed ID:5377333
JOURNAL:Pure Appl Chem.
VOL:20 PAGE : 365-420 (1969)
[TOP]

[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)
[TOP]

[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 : - ()
[TOP]

[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.