Intermediates for the production of imidazobenzodiazepines
申请人:Hoffmann-La Roche Inc.
公开号:US04238610A1
公开(公告)日:1980-12-09
Novel intermediates of the formula ##STR1## wherein X and Y are hydrogen, halogen or trifluoromethyl and R.sub.1 is hydrogen or lower alkyl are presented. Also disclosed is a process leading to the intermediates and their conversion to imidazobenzodiazepines, compounds of pharmacological activity.