The present invention is concerned isoxazole-imidazole derivatives having affinity and selectivity for GABA A α5 receptor binding site, their manufacture, pharmaceutical compositions containing them and their use for enhancing cognition or for the treatment of cognitive disorders like Alzheimer's disease. In particular, the present invention is concerned with aryl-isoxazol-4-yl-imidazole derivatives of formula I
wherein R
1
, R
2
and R
3
are as described in the specification.
本发明涉及对
GABA A α5受体结合位点具有亲和力和选择性的
异噁唑-
咪唑衍
生物,其制备方法,含有它们的药物组合物以及它们用于增强认知或治疗阿尔茨海默病等认知障碍的用途。具体而言,本发明涉及式I的芳基
异噁唑-4-基
咪唑衍
生物,其中R1、R2和R3如规范中所述。