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Steroid


DATA No : SST0120 INFORMANT : Hideaki Nishino

NAME : Stigmasta-7,22-dien-3-ol

COMMON NAME: a-Spinasterol / a-Spinasterin / Bessisterol / Hitodesterol
SYMBOL:
FORMULA: C29H48O MOL.WT (average) : 412.691


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BIOLOGICAL ACTIVITY
Synthesis from 7-dehydrostigmasteryl benzoate. (Ref. 0541)
PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:168-169deg (alcohol+petroleum ether) (Ref. 0539/0540)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:[a]25/D=-3.6pm0.5deg (c=2.8, chloroform), [a]23/D=-1.8deg (Ref. 0541)

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:

IR SPECTRA:

NMR SPECTRA:

MASS SPECTRA:

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
Isolation from spinach leaves. (Ref. 0539) Isolation from watermelon and the related vegetables. (Ref. 0540)
CHEMICAL SYNTHESIS

METABOLISM
Needed for growth of fruit-fly, Drosophila. (Ref. 0542)
GENETIC INFORMATION

NOTE
Ppt with digitonin. (Ref. 0539)
REFERENCES
[0539]
AUTHOR:Hart,M.C.,and Heyl,F.W.
TITLE:Spinasterol and some of its esters.
JOURNAL:J. Biol. Chem.
VOL:95 PAGE : 311 -315 (1932)
[TOP]

[0540]
AUTHOR:Hamilton,B.,and Kermack,W.O.
TITLE:The isolation of a-spinasterol from Colocynth.
JOURNAL:J. Chem. Soc.
VOL:1952 PAGE : 5051 -5052 (1952)
[TOP]

[0541]
AUTHOR:Fieser,L.F.,Fieser,M.,and Chakravarti,R.N.
TITLE:a-Spinasterol.
JOURNAL:J. Am. Chem. Soc.
VOL:71 PAGE : 2226 -2230 (1949)
[TOP]

[0542]
AUTHOR:Kircher,H.W.,and Rosenstein,F.U.
TITLE:7-Dehydrostigmasterol, a-spinasterol, and schottenol.
JOURNAL:J. Org. Chem.
VOL:38 PAGE : 2259 -2260 (1973)
[TOP]

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