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Steroid


DATA No : SST9114 INFORMANT : Etsuko Yasugi

NAME : 5a-lanost-8-en-3b-ol

COMMON NAME: 24-dihydrolanosterol
SYMBOL:
FORMULA: C30H52O1 MOL.WT (average) : 428.733


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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:146degC (Ref. 9103), acetate 119-120degC (Ref. 9134)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:+62deg (Ref. 9103)

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:

IR SPECTRA:

NMR SPECTRA:acetate 1H-NMR(CDCl3) 3-CH=4.52(DD),3-OAc=2.05(S),18-CH3=0.686(S),19-CH3=1.003(S),21-CH3=0.888(D),26-CH3=0.863(D),27-CH3=0.869(D),30-CH3=0.880(S) 31-CH3=0.882(S),32-CH3=0.874(S) (Ref. 9134)

MASS SPECTRA:acetate : 470[M+](40%),455(100%),410(1%),395(60%),357(1%),315(4%),301(3%), 297(9%),296(12%) (Ref. 9135)

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
adipis lanae(wool fat) (Ref. 9103), rapeseed seed (Ref. 9124),Solanaceae plants seed (Ref. 9135), Euphorbiaceae plants latex (Ref. 9182)
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)
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[9124]
AUTHOR:Itoh,T., Tamura,T., and Matsumoto,T.
TITLE:Triterpene Alcohols and Sterols in the Seeds of Brassica Napus.
JOURNAL:Fette, Seifen, Anstrichm.
VOL:80 PAGE : 382 -386 (1978)
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[9134]
AUTHOR:Emmons,G.T., Wilson,W.K., and Schroepfer,Jr., G.J.
TITLE:1H and 13C NMR Assignment For Lanostan-3b-ol Derivatives: Revised Assignments For Lanosterol.
JOURNAL:Magn. Reson. Chem.
VOL:27 PAGE : 1012 -1024 (1989)
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[9135]
AUTHOR:Itoh,T., Tamura,T., and Matsumoto,T.
TITLE:Triterpene Alcohols in the Seeds of Solanaceae.
JOURNAL:Phytochemistry
VOL:17 PAGE : 1723 -1726 (1977)
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[9182]
AUTHOR:Ponsinet,G., and Ourisson,G.
TITLE:Chemotaxonomic Study on the Family Euphorbiaceae. Distribution of Triterpenes in the Latex of Euphorbiaceae.
JOURNAL:Phytochemistry
VOL:7 PAGE : 89 -98 (1968)
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Last updated June 19, 2007. Copyright © 1989-2007 Japanese Conference on the Biochemistry of Lipids (JCBL). All rights reserved.