Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials 2011-07-01

[Study on the chemical constituents of Pithecellobium clypearia].

Chun-ying Xie, Le-wei Lin

Index: Zhong Yao Cai 34(7) , 1060-2, (2011)

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Abstract

To study the chemical constituents of Pithecellobium clypearia.Silica gel column chromatography and Sephadex LH-20 were used to separate and purify compounds from the EtOAc soluble fraction of Pithecellobium clypearia. 9 compounds were elucidated on the basis of physicochemical properties and spectrascopic analysis.They were identified as beta-Sitosterol (1), tritriacontane (2), 5-hydroxy-3,7,3',4'-tetramethoxyflavone (3), oleanolic acid (4), 5,4'-dihydroxy-3,7,3'-trimethoxyflavone (5), alpha-amyrin (6), luteolin (7), ursolic acid (8), luteoloside (9).Compounds 3 and 5 are isolated from this plant for the first time.