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Steroid


DATA No : SST9077 INFORMANT : Etsuko Yasugi

NAME : 4a,24-dimethyl-5a-cholesta-7,24(28)-dien-3b-ol

COMMON NAME: gramisterol(24-methylenelophenol)
SYMBOL:
FORMULA: C29H48O1 MOL.WT (average) : 412.691


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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:162-163degC acetate m.p. 132-134degC (Ref. 9126)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:[a]D +2.9deg acetate [a]D +24.3deg (Ref. 9126)

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:

IR SPECTRA:

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

MASS SPECTRA:412(24)M+,397(17),394(4),379(6),328(26),314(9),310(6),285(100),269(20),267 (15),260(9),245(8),241(11) (Ref. 9126)

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
higher plants (Ref. 9105),wheat germ oil(Ref. 9126)
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]

[9126]
AUTHOR:Tamura,T. ,Itoh,T.,and Matsumoto,T.
TITLE:The Structure of Gramisterol (in Japanese language).
JOURNAL:J. Jpn. Oil Chem. Soc.(Yukagaku)
VOL:22 PAGE : 157 -163 (1973)
[TOP]

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