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Steroid


DATA No : SST9109 INFORMANT : Etsuko Yasugi

NAME : 4a,14a,24-trimethyl-5a-cholesta-9(11),24(28)-dien-3b-ol

COMMON NAME:
SYMBOL:
FORMULA: C30H50O1 MOL.WT (average) : 426.717


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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:acetate 105-107degC (Ref. 9130)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:

IR SPECTRA:

NMR SPECTRA:acetate 1H-NMR(CDCl3) 3-CH=4.368(DT),3-OAc=2.052(S),11-CH=5.300(DT),18-CH3= 0.660(S),19-CH3=1.003(S),21-CH3=0.912(D),25-CH=2.236(SEPTET),26-CH3 AND 27-CH3=1.026(D) AND 1.031(D),28-CH2=4.665(S) AND 4.717(S),30-CH3=0.842(D)32-CH3=0.750(S) (Ref. 9130)

MASS SPECTRA:acetate : 468[M+](16%),453(57%),425(27%),408(18%),393(89%),341(100%),301 (20%),281(50%),241(34%),227(30%),215(27%),201(29%) (Ref. 9174)

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
black eye bean seed(Ref. 9130), banana skin (Ref. 9131), olive oil (Ref. 9173), amoebae (Ref. 9174)
CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[9130]
AUTHOR:Akihisa,T., Yokota,T., Takahashi,N., Tamura,T., and Matsumoto,T.
TITLE:25-Methylgramisterol and Other 4a-Methylsterols from Phaseolus Vulgaris Seeds.
JOURNAL:Phytochemistry
VOL:28 PAGE : 1219 -1224 (1989)
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[9131]
AUTHOR:Akihisa,T., Shimizu,N., Tamura,T., and Matsumoto,T.
TITLE:(24S)-14a,24-Dimethyl-9b,19-Cyclo-5a-Cholest-25-en-3b-ol: a New Sterol and Other Sterols in Musa Sapientum.
JOURNAL:Lipids
VOL:21 PAGE : 494 -497 (1986)
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[9173]
AUTHOR:Itoh,T., Yoshida,K., Yatsu,T., Tamura,T., Matsumoto,T., and Spencer,G.F.
TITLE:Triterpene Alcohols and Sterols of Spanish Olive Oil.
JOURNAL:J. Am. Oil Chem. Soc.
VOL:58 PAGE : 545 -550 (1981)
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[9174]
AUTHOR:Raederstorff,D., and Rohmer,M.
TITLE:The Action of the Systemic Fungicides Tridemorph and Fenpropimorph on Sterol Biosynthesis by the Soil Amoeba Acanthamoeba Polyphaga. PubMed ID:3569273
JOURNAL:Eur. J. Biochem.
VOL:164 PAGE : 421 -426 (1987)
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Last updated June 19, 2007. Copyright © 1989-2007 Japanese Conference on the Biochemistry of Lipids (JCBL). All rights reserved.