FLAVONOIDS FROM AGERATUM SPECIES .6. FLAVONOIDS FROM AGERATUM-CORYMBOSUM

被引:3
|
作者
QUIJANO, L
GOMEZGARIBAY, F
GARCIAPEREZ, G
RIOS, T
机构
[1] Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, México, D.F.
关键词
AGERATUM-CORYMBOSUM; ASTERACEAE; EUPATORIAE; FLAVONES; FLAVANONES; HEPTASUBSTITUTED AND HEXASUBSTITUTED FLAVONES;
D O I
10.1016/0031-9422(92)83647-H
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Investigation of a new collection of Ageratum corymbosum resulted in the isolation of three new flavonoids, 4'-hydroxy-5,6,7,3'-tetramethoxyflavanone, 5-hydroxy-6,7,2',3',4',5'-hexamethoxyflavone and 3'-hydroxy-5,6,7,2',4',5'-hexamethoxyflavone, named agecorynins E, F and G, respectively. Their structures were established by spectral methods and chemical transformations. 5-Hydroxy-7,8,2',3',4',5'-hexamethoxyflavone (isoagecorynin F), obtained from agehoustin B, is also reported.
引用
收藏
页码:2859 / 2862
页数:4
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