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Vitamin D


DATA No : VVD0358 INFORMANT : Sachiko Yamada

NAME : (22E)-(3S)-5,7,22-ergostatrien-3-ol

COMMON NAME: provitamin D2 / ergosterol / proergocalciferol
SYMBOL: pro-D2
FORMULA: C28H44O MOL.WT (average) : 396.648


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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:168 (Nearly anhydrous), 175 (Semihydrous), 183 (Very hydrous) degC (Ref. 0189)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:[a]d-20 -132 deg (in CHCl3) (Ref. 0189)

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:lmax (nm) (emax) 262.0 pm 5 (6750), 271.0 pm 5 (9700), 281.0 pm 5 (10050), 293.0 pm 10 (5800) (Ref. 0187)

IR SPECTRA:

NMR SPECTRA:

MASS SPECTRA:

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
Isolation from yeast. (Ref. 0233)
CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[0187]
AUTHOR:Hogness, T. R.; Sidwell, A. E. Jr.; Zscheile, F. P. Jr.
TITLE:The Absorption Spectra of Compounds Related to The Sterols.
JOURNAL:J. Biol. Chem.
VOL:120 PAGE : 239 -257 (1937)
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[0189]
AUTHOR:Bills, C. E.; Honeywell, E. M.
TITLE:Antiricketic Substances. VIII. Studies on Highly Purified Ergosterol and Its esters.
JOURNAL:J. Biol. Chem.
VOL:80 PAGE : 15 -23 (1928)
[TOP]

[0233]
AUTHOR:U.S.Pat., 3,006,932., (1961), Green. et al.
TITLE:
JOURNAL:
VOL: PAGE : - ()
[TOP]

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