2012•Central South PharmacyRequires access

Constituents of triterpenes in the seeds of Vitex negundo L.

Yingjun Zhou

Abstract

Objective To determine the constituents of triterpenes in the seeds of Vitex negundo L.Methods The triterpenes constituents were isolated and purified by Silica gel,ODS and Sephadex LH-20 column chromatography,and their structures were elucidated by chemical and spectroscopic methods.Results Seven compounds were identified:2α,3α,19α-trihydroxyoic-12-en-28-acid(1),2α,3β-dihydroxy bearing-12-en-28-acid(2),2α,3β,19α-trihydroxyoic-12-en-28-acid(3),2α,3β,19α,23-tetrahydroxybearing-12-en-28-acid(4),2α,3β,23-trihydroxybearing-12-en-28-acid(5),2α,3α,24-oleanolic trihydroxy-12-en-28-acid(6) and ursolic acid(7).Conclusion Compounds 1,3,4,5 and 6 have been obtained from this genus for the first time.

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Key concepts: Vitex negundo, Ursolic acid, Terpene, Oleanolic acid, Sephadex, Chemistry, Silica gel, Chemical constituents