The present invention is concerned with aryl-isoxazol-4-yl-imidazo[1,2-a]pyridine derivatives of formula I:
wherein
R
1
to R
5
are as defined in the specification and pharmaceutically acceptable acid addition salts thereof. This class of compounds has high affinity and selectivity for GABA A α5 receptor binding sites and might be useful as cognitive enhancer or for the treatment of cognitive disorders like Alzheimer's disease.
本发明涉及式I的芳基
异噁唑-4-基-
咪唑并[1,2-a]
吡啶衍生物:
在此式中,R1至R5如规范中所定义,并且其药用可接受的酸盐。这类化合物具有高亲和力和选择性,适用于
GABA A α5受体结合位点,并可能用作认知增强剂或治疗认知障碍,如阿尔茨海默病。