FLAVONOIDS FROM DISTEMONANTHUS-BENTHAMIANUS BAILLON - METHOXYLATED FLAVONES AND INTERRELATIONSHIPS OF BENTHAMIANIN, A "[2]BENZOPYRANO-[4,3-B][1]BENZOPYRAN

被引：37

作者：

MALAN, E ^{[1
]}

ROUX, DG ^{[1
]}

机构：

[1] UNIV ORANGE FREE STATE, DEPT CHEM, BLOEMFONTEIN 9301, SOUTH AFRICA

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1979年 / 11期

关键词：

D O I：

10.1039/p19790002696

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The yellow heartwood of the West African tree D. benthamianus Baillon contains 12 flavonols representing the 3,3'',4'',5,7-, 2'',3,4'',5'',5,7-, 3,3'',4'',5,6,7-, 2'',3,3'',5,6,7- and 2'',3'',3,4'',5,6,7-substitution patterns. A novel peltogynoid, benthamianin (3,4,8,10-tetrahydroxy-9-methoxy-7-oxo[2]benzopyrano[4,3-b][1]benzopyran) was isolated and its relationship with the 3-O-methyflavones and distemonanthin established chemically.

引用

页码：2696 / 2703

页数：8

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