Novel benzimidazole derivatives as phosphodiesterase 10A (PDE10A) inhibitors with improved metabolic stability
作者:Ayaka Chino、Naoyuki Masuda、Yasushi Amano、Kazuya Honbou、Takuma Mihara、Mayako Yamazaki、Masaki Tomishima
DOI:10.1016/j.bmc.2014.04.023
日期:2014.7
In this study, we report the identification of potent benzimidazoles as PDE10A inhibitors. We first identified imidazopyridine 1 as a high-throughput screening hit compound from an in-house library. Next, optimization of the imidazopyridine moiety to improve inhibitory activity gave imidazopyridinone 10b. Following further structure-activity relationship development by reducing lipophilicity and introducing substituents, we acquired 35, which exhibited both improved metabolic stability and reduced CYP3A4 time-dependent inhibition. (C) 2014 Published by Elsevier Ltd.