作者:Jeffrey W. Johannes、Christopher R. Denz、Nancy Su、Allan Wu、Anna C. Impastato、Scott Mlynarski、Jeffrey G. Varnes、D. Bryan Prince、Justin Cidado、Ning Gao、Malcolm Haddrick、Natalie H. Jones、Shaobin Li、Xiuwei Li、Yang Liu、Toan B. Nguyen、Nichole O'Connell、Emma Rivers、Daniel W. Robbins、Ronald Tomlinson、Tieguang Yao、Xiahui Zhu、Andrew D. Ferguson、Michelle L. Lamb、John I. Manchester、Sylvie Guichard
DOI:10.1002/cmdc.201700695
日期:2018.2.6
sought a potent, selective CDK12 inhibitor. Crystal structures and modeling informed hybridization between dinaciclib and SR‐3029, resulting in lead compound 5 [(S)‐2‐(1‐(6‐(((6,7‐difluoro‐1H‐benzo[d]imidazol‐2‐yl)methyl)amino)‐9‐ethyl‐9H‐purin‐2‐yl)piperidin‐2‐yl)ethan‐1‐ol]. Further structure‐guided optimization delivered a series of selective CDK12 inhibitors, including compound 7 [(S)‐2‐(1‐(6‐(((6
通过siRNA进行的细胞周期蛋白依赖性激酶(CDK)12抑制作用可降低DNA损伤反应基因的转录,并使BRCA野生型细胞对多聚(ADP-核糖)聚合酶(PARP)抑制敏感。为了用小分子概括这种效果,我们寻求了一种有效的选择性CDK12抑制剂。dinaciclib和SR‐3029之间的晶体结构和模型可知杂交,导致铅化合物5 [(S)‐2‐(1‐(6 ‐((((6,7‐difluoro‐1 H ‐ benzo [ d ] -(基)甲基)氨基)-9-乙基-9 H-嘌呤-2-基)哌啶-2-基)乙烷-1-醇]。进一步的结构指导优化提供了一系列选择性CDK12抑制剂,包括化合物7 [(S基)-2-(1-(6 - (((6,7-二氟- 1 H ^ -苯并[ d ]咪唑-2-基)甲基)氨基)-9-异丙基-9- ħ -嘌呤-2-基)哌啶-2-基]-1-醇]。仿形跨越CDK9,7,2,和1该化合物在高ATP浓度的