Bioactive heterocycles containing a 3,4,5-trimethoxyphenyl fragment exerting potent antiproliferative activity through microtubule destabilization
作者:Dong-Jun Fu、Jia-Jia Yang、Ping Li、Yu-Hui Hou、Sheng-Nan Huang、Matthew Alexander Tippin、Victor Pham、Liankun Song、Xiaolin Zi、Wei-Li Xue、Li-Rong Zhang、Sai-Yang Zhang
DOI:10.1016/j.ejmech.2018.07.060
日期:2018.9
Novel bioactive heterocycles containing a 3,4,5-trimethoxyphenyl fragment as antiproliferative agents by targeting tubulin were synthesized and their preliminary structure activity relationships (SARs) were explored. Among all these chemical agents, 2-(Benzo[d]oxazol-2-ylthio)-N-(4-methoxybenzyl)-N-(3,4,5-trimethoxyphenyl)acetamide (4d) exhibited the potent antiproliferative activity against MGC-803 cells with an IC50 value of 0.45 mu M by induction of G2/M pahse arrest and cell apoptosis. In addition, 4d could change the membrane potential (Delta psi) of the mitochondria against MGC-803 cells. Importantly, 4d acted as a novel tubulin polymerization inhibitor binding to colchicine site with an IC50 value of 3.35 mu M. (C) 2018 Published by Elsevier Masson SAS.