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Steroid


DATA No : SST9106 INFORMANT : Etsuko Yasugi

NAME : (24R)-24ethyl-5a-cholest-8(14)-en-3b-ol

COMMON NAME:
SYMBOL:
FORMULA: C29H50O1 MOL.WT (average) : 414.707


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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:117degC, acetate 118-119degC (Ref. 9145)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:

IR SPECTRA:

NMR SPECTRA:acetate 1H-NMR(CDCl3) 3-CH=4.703(M),3-OAc=2.022(S),18-CH3=0.841(S),19-CH3= 0.705(S),21-CH3=0.936(D),26-CH3=0.837(D),27-CH3=0.815(D),29-CH3=0.847(T) (Ref. 9147)

MASS SPECTRA:acetate : 456[M+](100%),441(9%),396(4%),381(5%),315(12%),288(7%),276(13%), 255(15%),229(27%),213(22%) (Ref. 9147)

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
Dioscoreaceae(yam) leaf propagule(Ref. 9147)
CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[9145]
AUTHOR:Kircher, H. W., and Rosenstein, F. U.
TITLE:Purification of campesterol and preparation of 7-dehydrocampesterol, 7-campestenol and campestanol PubMed ID:4857275
JOURNAL:Lipids.
VOL:9 PAGE : 333-337 (1974)
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[9147]
AUTHOR:Akihisa,T., Tanaka,N., Yokota,T., Tanno,N., and Tamura,T.
TITLE:5a-Cholest-8(14)-en-3b-ol and Three 24-Alkyl-D8(14)-Sterols from the Bulbils of Dioscorea Batatas.
JOURNAL:Phytochemistry
VOL:30 PAGE : 2369 -2372 (1991)
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Last updated June 19, 2007. Copyright © 1989-2007 Japanese Conference on the Biochemistry of Lipids (JCBL). All rights reserved.