Discovery and Optimization of Potent, Selective, and <i>in Vivo</i> Efficacious 2-Aryl Benzimidazole BCATm Inhibitors
作者:Hongfeng Deng、Jingye Zhou、Flora Sundersingh、Jeffrey A. Messer、Donald O. Somers、Myriam Ajakane、Christopher C. Arico-Muendel、Arthur Beljean、Svetlana L. Belyanskaya、Ryan Bingham、Emily Blazensky、Anne-Benedicte Boullay、Eric Boursier、Jing Chai、Paul Carter、Chun-Wa Chung、Alain Daugan、Yun Ding、Kenny Herry、Clare Hobbs、Eric Humphries、Christopher Kollmann、Van Loc Nguyen、Edwige Nicodeme、Sarah E. Smith、Nerina Dodic、Nicolas Ancellin
DOI:10.1021/acsmedchemlett.5b00389
日期:2016.4.14
To identify BCATm inhibitors suitable for in vivo study, Encoded Library Technology (ELT) was used to affinity screen a 117 million member benzimidazole based DNA encoded library, which identified an inhibitor series with both biochemical and cellular activities. Subsequent SAR studies led to the discovery of a highly potent and selective compound, 1-(3-(5-bromothiophene-2-carboxamido)cyclohexyl)-
为了鉴定适用于体内研究的BCATm抑制剂,使用了编码文库技术(ELT)亲和筛选了1.17亿成员基于苯并咪唑的DNA编码文库,该文库鉴定了具有生化和细胞活性的抑制剂系列。随后的SAR研究导致发现了高效的选择性化合物1-(3-(5-溴噻吩-2-羧酰胺基)环己基)-N-甲基-2-(吡啶-2-基)-1 H-苯并[d]咪唑-5-甲酰胺(8b)具有大大改善的PK性能。X射线结构显示8b通过多个H键和范德华相互作用以独特的方式与BACTm的活性位点结合。口服后,8b 由于抑制了BCATm,小鼠三个支链氨基酸的血脂水平都升高了。