Benzopyrans from Hypericum polyanthemum

被引：45
|
作者：
Ferraz, ABF
Bordignon, SAL
Staats, C
Schripsema, J
von Poser, GL
机构：
[1] UFRGS, Programa Pos Grad Ciencias Farmaceut, BR-90610000 Porto Alegre, RS, Brazil
[2] Fundacao SOAD CINCAN ULBRA, BR-90610000 Canoas, RS, Brazil
[3] Univ Estadual Norte Fluminense, CCT, LCQUI, Setor Quim Prod Nat, BR-28015620 Campos Dos Goytacazes, RJ, Brazil
来源：
PHYTOCHEMISTRY | 2001年 / 57卷 / 08期
关键词：
Hypericum polyanthemum; Guttiferae; benzopyrans; chromenes; 6-isobutyryl-5,7-dimethoxy-2,2-dimethyl-benzopyran; 7-hydroxy-6-isobutyryl-5-methoxy-2,2-dimethyl-benzopyran; 5-hydroxy-6-isobutyryl-7-methoxy-2,2-dimethyl-benzopyran;
D O I：
10.1016/S0031-9422(01)00169-8
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：
From the aerial parts of Hypericum polyanthemum Klotzsch ex Reichardt (Guttiferae), three chromenes, 6-isobutyryl-5,7-dimethoxy-2,2-dimethyl-benzopyran; 7-hydroxy-6-isobutyryl-5-methoxy-2,2-dimethyl-benzopyran and 5-hydroxy-6-isobutyryl-7-methoxy-2,2-dimethyl-benzopyran were isolated. Their structures were determined by NMR spectroscopic analyses. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1227 / 1230
页数：4
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