Chemical and Pharmaceutical Bulletin 2008-Jun
Isoflavones and rotenoids from the leaves of Millettia brandisiana.
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Keywords
Abstract
A new isoflavone, 4'-gamma,gamma-dimethylallyloxy-5,7,2',5'-tetramethoxyisoflavone, brandisianin A (1), was isolated from the leaves of Millettia brandisiana, along with one synthetically known isoflavone, 7,4'-di-O-prenylgenistein (2) and twelve known compounds. The structures were elucidated on the basis of extensive spectroscopic analysis. Two isolated compounds were tested for anti-inflammatory activity; 12a-hydroxy-alpha-toxicarol (11) showed significant anti-inflammatory activity.