申请人:Pfizer Inc.
公开号:US11198692B2
公开(公告)日:2021-12-14
The present invention provides, in part, compounds of Formula I, or an N-oxide thereof, or a pharmaceutically acceptable salt of the compound or the N-oxide, wherein: (R1)a, (R2)b, (R3)c, L, A, and E are as described herein; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds, N-oxides, or salts, and their uses for treating M4-mediated (or M4-associated) disorders including, e.g., Alzheimer's Disease, schizophrenia (e.g., its cognitive and negative symptoms), pain, addiction, and a sleep disorder.
本发明部分提供了式 I 的化合物,或其 N-氧化物,或该化合物或其 N-氧化物的药学上可接受的盐,其中:(R1)a、(R2)b、(R3)c、L、A 和 E 如本文所述;制备过程;制备过程中使用的中间体;以及含有此类化合物、N-氧化物或盐的组合物,及其用于治疗 M4 介导的(或 M4 相关的)疾病的用途,包括例如阿尔茨海默病、精神分裂症(例如其认知症状和阴性症状)、疼痛、成瘾和睡眠障碍。