Abstract
ObjectiveTo study the chemical constituents from the roots of Millettia speciosa. MethodsThe chemical constituents were isolated and purified by silica gel, Sephadex LH-20, and ODS column chromatography. The structures were identified by means of spectral data. ResultsFifteen compounds were isolated and identified as naringenin (1), liquiritigenin (2), garbanzol (3), 7-hydroxy-6,4′- dimethoxyisoflavone (4), calycosin (5), 2′,5′,7-trihydroxy-4′-methoxyisoflavone (6), 2′-hydroxybiochanin A (7), 6-methoxycalopogonium isoflavone A (8), demethylmedicarpin (9), 4,4′-dihydroxy-2′-methoxychalcone (10), 2′,4′-dihydroxy-4-methoxychalcone (11), rhododendrol (12), secoisolariciresinol (13), bisdihydrosiringenin (14), and polystachyol (15). ConclusionAll compounds are obtained from this plant for the first time.
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