The present invention is concerned with 3-aryl-isoxazole-4-carbonyl-benzofuran derivatives of formula I
wherein
R1, R2, and R3 are as defined in the specification and claims and with their pharmaceutically acceptable acid addition salts. These compounds have a 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3-芳基
异噁唑-4-羰基
苯并呋喃衍
生物,其中R1、R2和R3如说明书和权利要求中所定义,并且它们的药物可接受的酸盐。这些化合物具有高亲和力和选择性,可与
GABA A α5受体结合位点结合,并可能用作认知增强剂或治疗认知障碍,如阿尔茨海默病。