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Chemical constituents of Bauhinia aurea.

Journal of Asian natural products research (2012-10-11)
Xiao-Ya Shang, Shuai Li, Su-Juan Wang, Yong-Chun Yang, Jian-Gong Shi
摘要

A new dihydroflavonol glycoside dimer 6,6-bisastilbin (1) and a new nitrile-containing metabolite (Z)-5α,6β-dihydroxy-4β-methoxy-2-cyclohexene-Δ(1,α)-acetonitrile (2), together with three known analogs, bauhinin, bauhinilide, and dehydrodicatechin A, have been isolated from an ethanol extract of Bauhinia aurea. Their structures were determined by spectroscopic and chemical methods.

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Sigma-Aldrich
Astilbin from Engelhardtia roxburghiana, ≥98%