申请人:Hoffmann-La Roche Inc.
公开号:US04226771A1
公开(公告)日:1980-10-07
A multistep process is presented for the preparation of imidazobenzodiazepines of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, halogen, nitro and trifluoromethyl, Y is selected from the group consisting of hydrogen, halogen and trifluoromethyl and R.sub.1 is selected from the group consisting of hydrogen, lower alkyl and aryl Also presented are novel intermediates utilized in the process. The end products are useful as sedatives, anxiolytics, muscle relaxants and anticonvulsants. The end products are especially useful in intravenous compositions for use in preoperative anesthesia.
提供了一种多步骤过程,用于制备公式##STR1##的咪唑苯二氮䓬。其中X从氢、卤素、硝基和三氟甲基组成的组中选择,Y从氢、卤素和三氟甲基组成的组中选择,R.sub.1从氢、较低烷基和芳基组成的组中选择。该过程中使用的新型中间体也被提出。最终产品可用作镇静剂、抗焦虑药、肌肉松弛剂和抗惊厥药。最终产品在静脉注射组合物中特别适用于术前麻醉使用。