Constituents of Wikstroemia sikokiana. II.Absolute Configurations of 1, 5-Diphenylpentane-1, 3-diols

MASATAKE NIWA; PEI-FENG JIANG; YOSHIMASA HIRATA

doi:10.1248/cpb.35.108

Constituents of Wikstroemia sikokiana. II.Absolute Configurations of 1, 5-Diphenylpentane-1, 3-diols

MASATAKE NIWA, PEI-FENG JIANG, YOSHIMASA HIRATA

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Keywords: Thymelaeaceae, Wikstroemia sikokiana, biflavanone, chamaejasmenin B, 1, 5-diphenylpentane-1, 3-diol, absolute configuration, (R) -styrene oxide, chiral epoxide

JOURNAL FREE ACCESS

1987 Volume 35 Issue 1 Pages 108-111

DOI https://doi.org/10.1248/cpb.35.108

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Abstract

Further examination of the chemical constituents of Wikstroemia sikokiana FRANCH. et SAV. (Thymelaeaceae) afforded (+) -chamaejasmenin B (C-3/C-3″-biflavanone) and (-) -erythro-1, 5-diphenylpentane-1, 3-diol. The unsettled absolute configuration of the 1, 3-diol was established as 1 (S) and 3 (S) on the basis of a synthesis using chiral styrene oxide as a starting material.

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