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Xanthones from the bark of Garcinia Xanthochymus 被引量:7

Xanthones from the bark of Garcinia Xanthochymus
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摘要 Two novel xanthones, 1,6-dihydroxy-4,5-dimethoxyxanthone (1) and 1,5,6-trihydroxy-7,8-di(3-methyl-2-butenyl)-6',6'-dimethylpyrano(2',3':3,4)xanthone (2) were isolated from the bark of Garcinia xanthochymus by normal phase and reverse phase silica gel column chromatography. Their structures were elucidated by spectroscopic methods, especially 2D-NMR techniques. Two novel xanthones, 1,6-dihydroxy-4,5-dimethoxyxanthone (1) and 1,5,6-trihydroxy-7,8-di(3-methyl-2-butenyl)-6',6'-dimethylpyrano(2',3':3,4)xanthone (2) were isolated from the bark of Garcinia xanthochymus by normal phase and reverse phase silica gel column chromatography. Their structures were elucidated by spectroscopic methods, especially 2D-NMR techniques.
出处 《Chinese Chemical Letters》 SCIE CAS CSCD 2007年第7期849-851,共3页 中国化学快报(英文版)
基金 the National Natural Science Foundation of China (No. 30670215)
关键词 GARCINIA Garcinia xanthochymus XANTHONES Garcinia Garcinia xanthochymus Xanthones
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