The present invention is concerned with aryl-4-ethynyl-isoxazole derivatives of formula I
wherein R
1
to R
5
are as described in the specification and pharmaceutically acceptable salt thereof. This class of compounds has high affinity and selectivity for GABA A α5 receptor binding sites, being useful as a cognitive enhancer or for the treatment of cognitive disorders like Alzheimer's disease.
本发明涉及式I的芳基-4-
乙炔-
异恶唑衍
生物,其中R1至R5如规范中所述,并且其药用盐。这类化合物具有高亲和力和选择性结合到
GABA A α5受体结合位点,可用作认知增强剂或用于治疗阿尔茨海默病等认知障碍。