Study on the chemical constituents of Sophora tonkinensisi from Guangxi

The chemical constituents of Sophora tonkinensis Gapnep.were studied and ten compounds were isolated by silica column chromatography and recrystallization.The structures of the compounds were elucidated as maackiain(1),trifolirhizin(2),liquiritigenin(3),7,4′-dihydroxy-flavone(4),stigmasterol(5),lupeol(6),pentadecanoic acid(7),benzoic acid(8),β-sitosterol(9) and daucosterol(10) by spectral analysis.Compounds 3,4,6,7 and 8 were isolated from this plant for the first time.