Chemical Constituents of Bischofia Javanica

Eleven compounds were isolated from the roots of Bischofia javanica by various chromatographic techniques.By physical-chemical and spectral analysis,their structures were elucidated as 3,4-dihydroxyphenylethyl alcohol(1),2(3,4-dihydroxy)-phenylethyl-O-β-D-glucopyranoside(2),tachioside(3),isotachioside(4),catechin(5),epicatechin(6),gallocatechin(7),4-hydroxy-2-methoxyphenol-1-O-β-D-(6'-O-galloyl) glucopyranoeide(8),4-hydroxy-3-methoxyphenol-β-D-[6-O-(4-hydroxy-3,5-dimethoxylbenzoate) ] glucopyranoside(9),maesopsin-6-O-glucopyranoside(10),β-amyrin acetate(11),respectively.All the compounds were isolated from this plant for the first time.