2005•ZhongcaoyaoRequires access

Chemical constituents from Clerodendrum inerme

Jun Wu

Abstract

Objective To study the chemical constituents from Clerodendrum inerme.Methods The constituents were isolated and repeatedly purified on silica gel column chromatography and their structures were elucidated by spectral analysis.Results Eight compounds: friedelin (Ⅰ), stigmasterol (Ⅱ), betulinic acid (Ⅲ), acacetin (Ⅳ), syringic acid (Ⅴ), p-methoxybenzoic acid (Ⅵ), apigenin (Ⅶ), and daucosterol (Ⅷ) were isolated from the aerial part of C.inerme. Conclusion Compounds Ⅱ, Ⅲ, Ⅴ, Ⅵ, and Ⅷ are isolated from C.inerme for the first time.

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Key concepts: Betulinic acid, Acacetin, Stigmasterol, Chemistry, Syringic acid, Friedelin, Daucosterol, Oleanolic acid