Novel 4-(4-substituted amidobenzyl)furan-2(5H)-one derivatives as topoisomerase I inhibitors
作者:Cheng-Kang Peng、Ting Zeng、Xing-Jun Xu、Yi-Qun Chang、Wen Hou、Kuo Lu、Hui Lin、Ping-Hua Sun、Jing Lin、Wei-Min Chen
DOI:10.1016/j.ejmech.2016.12.035
日期:2017.2
bearing an exocyclic double bond on the furanone ring, generally showed more potent activity than series 1, compounds lacking an exocyclic double bond. Several compounds of series 2 possess significant Topo I inhibitory activity and potent antiproliferative activity against cancer cell lines. Further mechanism studies of the most active compound of series 2 (B-15) indicated that synthetic compounds can not
在这项研究中,合成了两个新的包含α,β-不饱和内酯片段的4-(4-取代的氨基苄基苄基)呋喃-2(5H)-one衍生物,并对其Topo I抑制和抗肿瘤活性进行了筛选。评估了拓扑异构酶I对三种人类癌细胞系(MCF-7,Hela,A549)的抑制活性和细胞毒性。结果表明,系列2的化合物在呋喃酮环上带有环外双键,通常比没有化合物1的化合物具有更强的活性。系列2的几种化合物对癌细胞系具有显着的Topo I抑制活性和有效的抗增殖活性。系列2活性最高的化合物的进一步机理研究(B-15)表明合成化合物不仅可以稳定药物-酶-DNA共价三元复合物以及喜树碱,而且可以干扰Topo I与DNA之间的结合。讨论了具有Topo I和结构-活性关系的这些化合物的结合模式。