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Studies on chemical constituents from EtOAc fraction of Sorbus tianschanica

Chang, J.; Yang, L.; Rena, K.

Zhongguo Zhong Yao Za Zhi 34(2): 175-176

2009

ISSN/ISBN: 1001-5302
PMID: 19385179
Document Number: 632414
To study the chemical constituents of Sorbus tianschanica. The compounds were isolated and purified by recrystallization and chromatography with silica gel and resin. Their structures were identified by physicochemical properties and spectral analysis. Seven compounds were isolated from the EtOH extraction and six structures were identified as benzoic acid (1), benzyl-O-beta-D-glucopyranoside (2), ursolic acid (3), 2alpha-hydroxyursolic acid (4), hyperoside (5), quercetin-3-O-glucoside (6). Compounds 1-5 were isolated from S. tianschanica for the first time.

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