The present invention is concerned with aryl-isoxazol-4-yl-imidazo[1,5-a]pyridine derivatives of formula
wherein:
R
1
, R
2
, and R
3
are as defined herein and pharmaceutically acceptable acid addition salts thereof. These compounds have high affinity and selectivity for GABA A α5 receptor binding sites. The invention also relates to methods for enhancing cognition and treating cognitive disorders like Alzheimer's disease.
本发明涉及式子如下的芳基
异噁唑-4-基
咪唑[1,5-a]
吡啶衍生物:
其中:R1、R2和R3如定义所述,以及其药学上可接受的酸加成盐。这些化合物对
GABA A α5受体结合位点具有高亲和力和选择性。本发明还涉及增强认知和治疗认知障碍如阿尔茨海默病的方法。