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Bile acid


DATA No : BBA0129 INFORMANT : Takashi Iida

NAME : 6-Oxo-5b-cholan-24-oic Acid

COMMON NAME:
SYMBOL:
FORMULA: C24H38O3 MOL.WT (average) : 374.557


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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:142-146degC(Ref. 0043)
as Me ester; mp, 116-118degC(Ref. 0019)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:[a]D: -41.5deg (dioxane)(Ref. 0043)
[a]D: -39.4deg (dioxane) (Me ester)(Ref. 0001)

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:

IR SPECTRA:nmaxcm-1: 1736 (C=O)(Ref. 0019)

NMR SPECTRA:Me ester 1H-NMR (CDCl3; 90MHz) d: 18-Me 0.65(s), 19-Me 0.83(s), 21-Me 0.93(d), COOMe 3.66(s)(Ref. 0019)

MASS SPECTRA:Me ester (70eV) m/z: 388(M+, 85%), 373(M-CH3, 48%), 370(M-H2O, 6%), 357(M-31, 10%), 356(M-32, 5%), 355(M-H2O-CH3, 4%), 333(M-55, 100%), 317(M-71, 1%), 315(M-73, 35%), 292(2%), 273(M-SC, 21%), 271(M-117, 2%), 255(M-H2O-SC, 8%), 246(M-SC-part of ring D (27), 18%), 233(M-SC-40, 6%), 231(M-SC-ring D (42), 47%), 178(5%)(Ref. 0009)

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE

CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[0001]
AUTHOR:Hill, R. A., Kirk, D. N., Makin, H. L. J., and Murphy, G. M. (1991) Chemical Data, Structures and Bibliographies, in Dictionary of Steroids, Chapman & Hall, London.
TITLE:
JOURNAL:
VOL: PAGE : - ()
[TOP]

[0009]
AUTHOR:Elliott, W. H. (1972) Bile Acids, in Biochemical Applications of Mass Spectrometry (Waller, G. R. ed), pp291-312, John Wiley & Sons, Inc. New York.
TITLE:
JOURNAL:
VOL: PAGE : - ()
[TOP]

[0019]
AUTHOR:Iida, T., Tamaru, T., Chang, F. C., Niwa, T., Goto, J., and Nambara, T.
TITLE:Potential bile acid metabolites. 20. A new synthetic route to stereoisomeric 3,6-dihydroxy- and 6-hydroxy-5 alpha-cholanoic acids PubMed ID:8212086
JOURNAL:Steroids.
VOL:58 PAGE : 362-369 (1993)
[TOP]

[0043]
AUTHOR:Jones, D. N., and Summers, G.H.R.
TITLE:Reduction of 5b-Methyl-3- and -6-oxo-19-nor-5b-cholest-9(10)-enes by Metal Hydrides.
JOURNAL:J. Chem. Soc.
VOL: PAGE : 2594 -2597 (1959)
[TOP]

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