Citation: Yong JIANG, Peng Fei TU. Two New Xanthone Glycosides from Polygala tenuifolia[J]. Chinese Chemical Letters, ;2002, 13(4): 335-336. shu

Two New Xanthone Glycosides from Polygala tenuifolia

Modern Research Center of TCM, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100083

Two new xanthone glycosides,polygalaxanthone Ⅳ and Ⅴ were isolated from the roots of Polygala tenuifolia Willd.Their structures were established as 6-O-[(α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranosyl]-1-hydroxy-3,7-dimethoxyxanthone (polygalaxanthone IV),and 6-O-[α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranosyl]-1,3-dihydroxy-7-methoxyxanthone (polyga-laxanthone Ⅴ),respectively,on the basis of chemical and spectral evidence.
- Polygala tenuifolia,
- xanthone glycosides,
- polygalaxanthone Ⅳ and Ⅴ
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