Xanthones from the twigs of Mammea siamensis

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• 作者：Poobrasert ; Onoomar ; Constant ; Howard L. ; Beecher ; Christopher W. W. ; Farnsworth ; Norman R. ; et. al.
• 关键词：Mammea siamensis ; Guttiferae ; 1 ; 2-dimethoxy-5-hydroxyxanthone ; xanthones
• 刊名：Phytochemistry
• 出版年：1998
• 出版时间：April, 1998
• 年：1998
• 卷：47
• 期：8
• 页码：1661-1663
• 全文大小：191 K

文摘

1,2-Dimethoxy-5-hydroxyxanthone, a new xanthone, was isolated from the twigs of Mammea siamensis, in addition to six known xanthones (5-hydroxy-1-methoxy-, 1,3-dimethoxy-5-hydroxy-, 2,5-dihydroxy-1-methoxy-, 1,7-dihydroxy-, 1,3,7-trihydroxy- and 3,5-dihydroxy-1-methoxyxanthone). Structures for these compounds were deduced from their spectral data.