tricyclic M4 PAM scaffolds with improved pharmacological properties. This endeavor involved a “tie-back” strategy to replace the 3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamide core which lead to the discovery of two novel tricyclic cores: a 7,9-dimethylpyrido[3′,2′:4,5]thieno[3,2-d]pyrimidine core and 2,4-dimethylthieno[2,3-b:5,4-c′]dipyridine core. Both tricyclic cores displayed low nanomolar
这封信详细介绍了我们为开发具有改进的药理特性的新型
三环 M 4 P
AM 支架所做的努力。这项努力涉及一种“回接”策略,以取代 3-
AMino-4,6-dimethylthieno[2,3- b ]pyridine-2-carbox
AMide 核心,从而发现了两个新的
三环核心:7,9 -二
甲基吡啶并[3',2':4,5]
噻吩并[3,2-d]
嘧啶核和
2,4-二甲基噻吩并[2,3 - b :5,4-c']联
吡啶核。两个
三环核心都显示出对人类 M 4受体的低纳摩尔效力。