Caged-tetraprenylated xanthones from Garcinia scortechinii

被引:42
作者
Rukachaisirikul, V [1 ]
Kaewnok, W
Koysomboon, S
Phongpaichit, S
Taylor, WC
机构
[1] Prince Songkla Univ, Fac Sci, Dept Chem, Songkhla 90112, Thailand
[2] Prince Songkla Univ, Fac Sci, Dept Microbiol, Songkhla 90112, Thailand
[3] Univ Sydney, Dept Organ Chem, Sydney, NSW 2006, Australia
关键词
Garcinia scortechinii; guttiferae; twigs; caged tetraprenylated xanthones; methicillin-resistant Staphylococcus aureus; antibacterial activity;
D O I
10.1016/S0040-4020(00)00778-X
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Three new caged tetraprenylated xanthones, named scortechinones A-C (1-3) were isolated from twigs of Garcinia scortechinii together with friedelin and stigmasterol. The scortechinone structures were elucidated by analysis of spectroscopic data and comparison of the NMR data with those of gaudichaudione H (4). The antibacterial activity against methicillin-resistant Staphylococcus aureus was evaluated. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:8539 / 8543
页数:5
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