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1. (Article ID: 10853)
 
Ikeya Y, Sugama K, Maruno M
Xanthone C-Glycoside and Acylated Sugar from Polygala tenuifolia
Chemical and Pharmaceutical Bulletin 42 (1994) 2305-2308
 

A new xanthone C-glycoside, polygalaxanthone III (1), and a new acylated sugar, tenuifoliside E (2) were isolated from the roots of Polygala tenuifolia. Their structures were characterized as 4-C-[β-D-apiofuranosyl-(1→6)-β-D-glycopyranosyl]-1,3,6-trihydroxy-7-methoxyxanthone (1) β-D-(1-O-acetyl-3-O-feruloyl-6-O-sinapoyl)-fructofuranosyl-α-D-(2,4,6-O-triacetyl)glucopyranoside (2), respectively, on the basis of chemical and spectral evidence including two dimensional nuclear magnetic resonance (2D-NMR) studies.

phenolic glycoside, Polygala tenuifolia, Polygalaceae, polygalaxanthone III, tenuifoliside E

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