作者:Ngampong Kongkathip、Suwaporn Luangkamin、Boonsong Kongkathip、Chak Sangma、Ronald Grigg、Palangpon Kongsaeree、Samran Prabpai、Narathip Pradidphol、Suratsawadee Piyaviriyagul、Pongpun Siripong
DOI:10.1021/jm030323g
日期:2004.8.1
plant Rhinacanthus nasutus, and 39 novel naphthoquinone esters have been synthesized in excellent yield by esterification of naphthoquinone-3-(propan-3'-ols) with benzoic or naphthoic acids. Almost all the naphthoquinone esters that contain a C-3 hydroxy group showed significant cytotoxicities against KB, HeLa, and HepG2 cell lines. In contrast, ester derivatives lacking the C-3 hydroxy group were inactive
Rhinacanthin-M,-N和-Q是从药用植物Rhinacanthus nasutus分离得到的天然产物,以及39种新型萘酚醌酯,它们是通过萘醌3-(丙烷-3'-ols)与苯甲酸或萘甲酸酯化的方法以优异的收率合成的酸。几乎所有含有C-3羟基的萘醌酯都对KB,HeLa和HepG2细胞系表现出明显的细胞毒性。相反,缺乏C-3羟基的酯衍生物对癌细胞系没有活性。与只有一个或没有甲基的情况相比,丙基链C-2'上的两个甲基取代基具有更强的细胞毒性。萘甲酸酯显示出比苯甲酸酯更大的细胞毒性。已经完成了计算机建模,以初步了解与这些观察有关的作用方式。