The present invention is concerned with isoxazol-4-yl-oxadiazole derivatives of formula
wherein
R
1
,
R
2
, and
R
3
, 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.
本发明涉及公式中的
异噁唑-4-基-噁二唑衍
生物,其中R1、R2和R3如规范所定义,并且其药学上可接受的酸盐。这类化合物对
GABA A α5受体结合位点具有高亲和力和选择性,并可能用作认知增强剂或治疗认知障碍如阿尔茨海默病。