Synthesis, SAR study, and biological evaluation of novel 2,3-dihydro-1H-imidazo[1,2-a]benzimidazole derivatives as phosphodiesterase 10A inhibitors
作者:Ayaka Chino、Shugo Honda、Masataka Morita、Koichi Yonezawa、Wataru Hamaguchi、Yasushi Amano、Hiroyuki Moriguchi、Mayako Yamazaki、Masaki Aota、Masaki Tomishima、Naoyuki Masuda
DOI:10.1016/j.bmc.2019.07.010
日期:2019.8
Phosphodiesterase 10A (PDE10A) inhibitors were designed and synthesized based on the dihydro-imidazobenzimidazole scaffold. Compound 5a showed moderate inhibitory activity and good permeability, but unfavorable high P-glycoprotein (P-gp) liability for brain penetration. We performed an optimization study to improve both the P-gp efflux ratio and PDE10A inhibitory activity. As a result, 6d was identified
磷酸二酯酶10A(PDE10A)抑制剂是基于二氢-咪唑并苯并咪唑支架设计和合成的。化合物5a表现出中等的抑制活性和良好的通透性,但不利于脑部渗透的高P-糖蛋白(P-gp)责任。我们进行了优化研究,以提高P-gp外排率和PDE10A抑制活性。结果,鉴定出具有改善的P-gp耐受性和高PDE10A抑制活性的6d。化合物6d还显示出令人满意的脑渗透,抑制苯环利定诱导的运动过度和改善MK-801诱导的工作记忆障碍。