申请人:Hoffmann-La Roche Inc.
公开号:US04226768A1
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 or trifluoromethyl; R.sub.1 is hydrogen or lower alkyl and R.sub.2 is a disubstituted amine. Also presented are novel intermediates utilized in the process. The end products and intermediates are useful as sedatives, anxiolytics, muscle relaxants and anticonvulsants. The end products are especially useful in intravenous compositions for use in preoperative anesthesia.
提供了一种多步骤的过程,用于制备公式##STR1##中的咪唑苯二氮平,其中X选择自氢、卤素、硝基和三氟甲基的一组;Y选择自氢、卤素或三氟甲基的一组;R.sub.1为氢或较低的烷基,R.sub.2为二取代胺。还提供了在该过程中使用的新型中间体。最终产品和中间体可用作镇静剂、抗焦虑药、肌肉松弛剂和抗癫痫药。最终产品在术前麻醉的静脉组成中特别有用。