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Steroid


DATA No : SST9086 INFORMANT : Etsuko Yasugi

NAME : (24S)-24-methyl-5a-cholestan-3b-ol

COMMON NAME: ergostanol
SYMBOL:
FORMULA: C28H50O1 MOL.WT (average) : 402.696


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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:146degC acetate 146-147degC (Ref. 9145)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:+16deg (Ref. 9103)

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:

IR SPECTRA:

NMR SPECTRA:acetate 1H-NMR(CDCl3) 3-CH=4.684(TT),3-OAc=2.019(S),18-CH3=0.646(S),19-CH3=0.816(S),21-CH3=0.902(D),26-CH3=0.852(D),27-CH3=0.781(D),28-CH3=0.772(D) (Ref. 9106)

MASS SPECTRA:acetate : 444[M+](48%), 429(12%), 384(47%), 369(34%), 276(35%), 275(43%), 230(27%), 217(26%), 216(51%), 215(100%), 201(20%) (Ref. 9148)

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
Clerodendron plants(Ref. 9117), Gynostemma pentaphyllum (Ref. 9146), Dioscoreaceae(yam) leaf propagule(Ref. 9147)
CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[9103]
AUTHOR:Brooks,C.J.W. (1970) Steroids: Sterols and Bile Acids, in Rodd's Chemistry of Carbon Compounds (Coffey,S. ed) pp1 - 196, Elsevier Publishing Co., Amsterdam
TITLE:
JOURNAL:
VOL: PAGE : 1 -196 (1970)
[TOP]

[9106]
AUTHOR:Akihisa,T. and Tamura,T.
TITLE:Unpublished observations.
JOURNAL:
VOL: PAGE : - (1990)
[TOP]

[9117]
AUTHOR:Akihisa, T., Matsubara, Y., Ghosh, P., Thakur, S., Tamura, T., and Matsumoto, T.
TITLE:Sterols of some Clerodendrum species (Verbenaceae): occurrence of the 24 alpha- and 24 beta-epimers of 24-ethylsterols lacking a delta 25-bond PubMed ID:2799860
JOURNAL:Steroids.
VOL:53 PAGE : 625-638 (1989)
[TOP]

[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)
[TOP]

[9146]
AUTHOR:Akihisa,T., Shimizu,N., Ghosh,P., Thakur,S., Rosenstein,F.U., Tamura,T., and Matsumoto,T.
TITLE:Sterols of the Cucurbitaceae.
JOURNAL:Phytochemistry
VOL:26 PAGE : 1693 -1700 (1987)
[TOP]

[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)
[TOP]

[9148]
AUTHOR:Andhiwal,C.K., Kishore,K.
TITLE:1700
JOURNAL:
VOL: PAGE : -26 (1693)
[TOP]

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