Discovery of a 7-arylaminobenzimidazole series as novel CRF1 receptor antagonists
作者:Michiyo Mochizuki、Masakuni Kori、Mitsunori Kono、Takahiko Yano、Yuu Sako、Maiko Tanaka、Naoyuki Kanzaki、Albert C. Gyorkos、Christopher P. Corrette、Kazuyoshi Aso
DOI:10.1016/j.bmc.2016.08.005
日期:2016.10
benzimidazole series has been identified as a corticotropin-releasing factor 1 (CRF1) receptor antagonist. In this study, we focused on replacement of a 7-alkylamino group of 1, predicted to occupy a large lipophilic pocket of a CRF1 receptor, with an aryl group. During the course of this examination, we established new synthetic approaches to 2,7-diarylaminobenzimidazoles. The novel synthesis of 7-ary
苯并咪唑系列有前途的先导化合物1已被确定为促肾上腺皮质激素释放因子1(CRF1)受体拮抗剂。在这项研究中,我们专注于用芳基取代1的7-烷基氨基基团,该基团预计会占据CRF1受体的大亲脂性口袋。在此检查过程中,我们建立了2,7-二芳基氨基苯并咪唑类化合物的新合成方法。7-芳基氨基苯并咪唑的新颖合成最终鉴定出与烷基类似物1相当的抑制活性(IC50分别为27nM,56nM)。口服给药后,该化合物在小鼠额叶皮层,嗅球和垂体中具有离体(125)I-Tyr(0)((125)I-CRF)结合抑制活性。在这份报告中,我们讨论了这些7-芳基氨基-1H-苯并咪唑的结构活性关系及其合成方法。