The invention relates to halogen substituted imidazo[1,5-a][1,2,4]triazolo[1,5-d][1,4]benzodiazepine derivatives of formula I
wherein
R
1
, R
2
, R
3
, R
4
and n are as defined in the specification and to pharmaceutically acceptable acid addition salts thereof. The compounds can be used as a cognitive enhancer or for the treatment of cognitive disorders, anxiety, Alzheimer's disease and schizophrenia.
该发明涉及公式I中卤代
咪唑[1,5-a][1,2,4]三唑[1,5-d][1,4]苯二氮平衍
生物,其中R1、R2、R3、R4和n如规范中定义,并且其药学上可接受的酸盐。这些化合物可用作认知增强剂或用于治疗认知障碍、焦虑、阿尔茨海默病和精神分裂症。