Antifungal benzoic acid derivatives from Piper dilatatum

被引:43
作者
Terreaux, C
Gupta, MP
Hostettmann, K [1 ]
机构
[1] Univ Lausanne, Inst Pharmacognosie & Phytochim, BEP, CH-1015 Lausanne, Switzerland
[2] Univ Panama, Fac Farm, CIFLORPAN, Panama City, Panama
关键词
Piper dilatatum; Piperaceae; benzoic acid derivatives; chalcones; taboganic acid; antifungal activity;
D O I
10.1016/S0031-9422(98)00197-6
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
Six prenylated benzoic acid derivatives and three chalcones have been isolated from the dichloromethane extract of the leaves of Piper dilatatum (Piperaceae). Their structures were elucidated by means of mass spectrometry, UV and NMR spectroscopy. Four of the benzoic acid derivatives displayed antifungal properties against Cladosporium cucumerinum in direct bioautography on TLC plates. Taboganic acid has been obtained for the first time from plant origin. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:461 / 464
页数:4
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