Back to HOME

Vitamin D


DATA No : VVD0356 INFORMANT : Sachiko Yamada

NAME : (5Z,7E,22E)-(3S)-9,10-seco-1(10),5,7,22-ergostatetraen-3-ol

COMMON NAME: (5Z)-isovitamin D2 / 5,6-cis-isovitamin D2 / (5Z)-isoergocalciferol / 5,6-cis-isoergocalciferol
SYMBOL: (5Z)-iso-D2
FORMULA: C28H44O MOL.WT (average) : 396.648


Download ChemDraw structure data
BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:lmax (isopropanol) nm (log e): 276 sh (4.51), 286.5 (4.58), 298 sh (4.42); spectrum. (Ref. 0362)

IR SPECTRA:(KBr) 3380, 1635, 1582, 1045, 968, 825, 794, cm-1; spectrum. (Ref. 0362)

NMR SPECTRA:1H-NMR (d, CDCl3) 0.57 (3 H, s), 0.83 (6 H, d, J = 5.5 Hz), 0.93 (3 H, d, J = 6 Hz), 1.02 (3 H, d, J = 6 Hz), 1.75 (1 H, br s), 2.07 (3 H, m), 4.03 (1 H, m), 5.10 (2 H, n), 5.45 (1 H, m), 6.20 (2 H, s); spectrum. (Ref. 0362)

MASS SPECTRA:

OTHER SPECTRA:CD [c = 0.0134 (310-230 nm), isooctane] [q] (nm): 0deg (310), -9800deg (275), 0deg (230); spectrum. (Ref. 0362)
CHROMATOGRAM DATA

SOURCE

CHEMICAL SYNTHESIS
From vitamin D2 by treatment with CaHPO4. (Ref. 0362)
METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[0362]
AUTHOR:Takahashi, T. and Yamamoto, R.
TITLE:Studies on the Stability of Vitamin D2 Powder Preparations. III. Structure of a New Isomer of Vitamin D2. PubMed ID:5307139
JOURNAL:Yakugaku Zasshi
VOL:89 PAGE : 919 -924 (1969)
[TOP]

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