Synthesis and biological evaluation of novel benzo[c][1,2,5]thiadiazol-5-yl and thieno[3,2-c]- pyridin-2-yl imidazole derivatives as ALK5 inhibitors
作者:Zhen Guo、Xiaowei Song、Li-Min Zhao、Ming Guan Piao、Jishan Quan、Hu-Ri Piao、Cheng Hua Jin
DOI:10.1016/j.bmcl.2019.07.015
日期:2019.8
Transforming growth factor (TGF-β), a key mediator of tumor growth and metastasis, has been recognized as an important cancer drug target. A series of benzo[c][1,2,5]thiadiazol-5-yl imidazoles (14a–g) and thieno[3,2-c]-pyridin-2-yl imidazoles (20a–g) were designed, synthesized, and evaluated for their activin receptor-like kinase 5 (ALK5) activities. Among these compounds, 14c showed the highest activity (IC50 = 0
转化生长因子(TGF-β)是肿瘤生长和转移的关键介质,已被认为是重要的抗癌药物。设计,合成了一系列苯并[ c ] [1,2,5]噻二唑-5-基咪唑(14a – g)和噻吩并[3,2- c ]-吡啶-2-基咪唑(20a – g)。 ,并评估其激活素受体样激酶5(ALK5)的活性。在这些化合物中,14c显示出最高的 针对ALK5激酶的活性(IC 50 = 0.008μM),比阳性对照化合物LY - 2157299(IC 50 = 0.129μM)高出16.1倍和1.8倍。分别为EW-7197(IC 50 = 0.014μM)。化合物14g(350)显示出ALK5对p38αMAP激酶的最高选择性,显着高于阳性对照化合物LY - 2157299(4)和EW - 7197(211)。使用蛋白质印迹分析和伤口愈合试验研究了化合物14c对SPC-A1,HepG2和HUVEC细胞中TGF-β诱导的Sm