摘要
前文[1]报道了从膜荚芪（Astragalus membranaceus(Fish.)
A new pterocarpan, (6aR, 11aR)-3, 9-dimethoxy-10-hydroxypterocarpan with four known compounds, (6aR, 11aR) -3,9, 10-tri-methoxypterocarpan, 9, 10-di-methoxypterocarpan-3-0-β-D-glucopyranoside, (3R)-2'-hydroxy-7,3',4'-trimethoxy-isofiavan, 2'-hydroxy-3', 4'-dimethoxyisoflavan-7-O-β-D-glucopyranoside, were isolated from ethanolic extract of the root of Astragalus membranaceus (Fisch.) Bunge. Their structures were elucidated by means of spectral analysis and chemical conversions.
基金
国家新药研究基金
上海市科委
上海市教委研究基金
关键词
中药化学
膜荚黄芪
紫檀烷
异黄烷
化学成分
Astragalus membranaceus, pterocarpans, isoflavans, (6aR, 11aR)-3,9-dimethoxy-10-hydroxypterocarpan
