[EN] PROCESS FOR PREPARING CLOBAZAM USING NOVEL INTERMEDIATES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE CLOBAZAM À L'AIDE DE NOUVEAUX INTERMÉDIAIRES
申请人:AMNEAL PHARMACEUTICALS COMPANY GMBH
公开号:WO2016193482A1
公开(公告)日:2016-12-08
Processes for preparation of 7-chloro-1-methyl-5-phenyl-1,5-dihydro- benzo[b][1,4]diazepine-2,4-dione (Clobazam) are provided. The present invention also relates to the novel intermediates and its use in preparation of clobazam.
This invention relates to substituted 1,5-benzodiazepines having the formula ##SPC1## Wherein R.sub.1 and R.sub.2 are hydrogen or substituents, R.sub.3 is hydrogen or substituents, R.sub.4 is methyl or aryl group, As well as the process of producing the same. The compounds of the invention are tranquillizing analgesic, antipyretic and anti-inflammatory agents.