EXTRACTIVES OF POLYGALA MACRADENIA GRAY (POLYGALACEAE)

被引：28

作者：

DREYER, DL

机构：

[1] Department of Chemistry, San Francisco State College, San Francisco, CA

来源：

TETRAHEDRON | 1969年 / 25卷 / 18期

关键词：

D O I：

10.1016/S0040-4020(01)82982-3

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Four new, highly substituted xanthones have been isolated from the extracts of Polygala macradenia Gray (Polygalaceae). The assigned structures of 1,2,3,4-tetramethoxy-7-hydroxyxanthone (3), 1,2,3,4,6,7-hexamethoxyxanthone (7), 1-methoxy-2,3,6,7-dimethylenedioxyxanthone (10), and 1,2,3-trimethoxy-6,7-methylenedioxyxanthone (13) are based on spectroscopic properties of the parent compounds and some of their simple derivatives. © 1969.

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页码：4415 / &

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