Discovery of a Novel Series of<i>N</i>-Phenylindoline-5-sulfonamide Derivatives as Potent, Selective, and Orally Bioavailable Acyl CoA:Monoacylglycerol Acyltransferase-2 Inhibitors
作者:Kenjiro Sato、Hiroki Takahagi、Takeshi Yoshikawa、Shinji Morimoto、Takafumi Takai、Kousuke Hidaka、Masahiro Kamaura、Osamu Kubo、Ryutaro Adachi、Tsuyoshi Ishii、Toshiyuki Maki、Taisuke Mochida、Shiro Takekawa、Masanori Nakakariya、Nobuyuki Amano、Tomoyuki Kitazaki
DOI:10.1021/acs.jmedchem.5b00178
日期:2015.5.14
Acyl CoA:monoacylglycerol acyltransferase-2 (MGAT2) has attracted interest as a novel target for the treatment of obesity and metabolic diseases. Starting from N-phenylbenzenesulfonamide derivative 1 with moderate potency for MGAT2 inhibition, we explored an effective location of the hydrophobic group at the 1-position to enhance MGAT2 inhibitory activity. Shifting the hydrophobic group to the adjacent
酰基辅酶A:单酰基甘油酰基转移酶-2(MGAT2)作为治疗肥胖症和代谢性疾病的新靶标引起了人们的兴趣。从具有中等抑制MGAT2效力的N-苯基苯磺酰胺衍生物1开始,我们探索了疏水基团在1位的有效位置,以增强MGAT2抑制活性。将疏水基团移至相邻位置,然后引入双环中心核以限制取代基的方向,制得N-苯基二氢吲哚-5-磺酰胺衍生物10b,其IC 50表现出显着提高的效能。值为1.0 nM。该化合物还对相关的酰基转移酶(MGAT3,DGAT1,DGAT2和ACAT1)表现出优异的选择性(大于30,000倍)。随后的优化工作旨在改善药代动力学特性,从而鉴定出5-[(2,4-二氟苯基)氨磺酰基] -7-(2-氧吡咯烷-1-基)-N- [4-(三氟甲基)苯基具有强大的MGAT2抑制活性(IC 50 = 3.4 nM)和高口服生物利用度(F = 52%,小鼠)的] -2,3-二氢-1 H-吲哚-1-羧酰胺(