[EN] HALOGEN SUBSTITUTED BENZODIAZEPINE DERIVATIVES<br/>[FR] DÉRIVÉS DE BENZODIAZÉPINE À SUBSTITUTION HALOGÈNE
申请人:HOFFMANN LA ROCHE
公开号:WO2006045429A1
公开(公告)日:2006-05-04
[EN] The invention relates to halogen substituted imidazo [1,5-a] [1,2,4] triazolo [1,5d] [1,4]benzodiazepine derivatives of formula (I), and to their pharmaceutically acceptable acid addition salts. The compounds may be used for the treatment of cognitive enhancer, cognitive disorders, anxiety, Alzheimer's disease and schizophrenia. [FR] L'invention concerne des dérivés d'imidazo [1,5-a] [1,2,4] triazolo [1,5-d] [1,4]benzodiazépine à substitution halogène, représentés par la formule (I), et leurs sels d'addition d'acide pharmaceutiquement acceptables. Ces composés sont utiles comme agents d'amélioration cognitive et dans le traitement de troubles cognitifs, de l'anxiété, de la maladie d'Alzheimer et de la schizophrénie.
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.