Design and synthesis of 2-(4,5,6,7-tetrahydrothienopyridin-2-yl)-benzoimidazole carboxamides as novel orally efficacious Poly(ADP-ribose)polymerase (PARP) inhibitors
作者:Xuxing Chen、Xiajuan Huan、Qiufeng Liu、Yuqin Wang、Qian He、Cun Tan、Yi Chen、Jian Ding、Yechun Xu、Zehong Miao、Chunhao Yang
DOI:10.1016/j.ejmech.2018.01.018
日期:2018.2
involved in DNA repair damaged by endogenous or exogenous process. And PARP-1/2 inhibitors have been proved to be clinically efficacious for DNA repair deficient tumors in the past decade. We have developed a series of 4,5,6,7-tetrahydrothienopyridin-2-yl benzimidazole carboxamides as novel and potent PARP-1/2 inhibitors. The best compound resulted from this series is compound 27 which displays excellent
核蛋白聚(ADP-核糖)聚合酶-1/2(PARP-1 / 2)参与被内源或外源过程破坏的DNA修复。在过去十年中,PARP-1 / 2抑制剂已被证明对DNA修复缺陷型肿瘤有效。我们已经开发了一系列4,5,6,7-四氢噻吩并吡啶-2-基苯并咪唑羧酰胺作为新型有效的PARP-1 / 2抑制剂。由该系列得到的最好的化合物是化合物27,该化合物具有出色的PARP-1和PARP-2抑制活性,IC 50分别为18 nM和42 nM。此外,它可以用CC 50选择性杀死BRCA2缺陷的V-C8细胞920 nM。在MDA-MB-436(BRCA-1突变体)异种移植模型中,该化合物具有良好的耐受性,并显示出单药活性。基于以上结果,化合物27已被选为靶向PARP-1 / 2的首要候选药物,其临床前表征也在进行中。