发明授权
- 专利标题: Process for the preparation of imidazobenzodiazepines
- 专利标题(中): 咪唑并二氮杂的制备方法
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申请号: US139533申请日: 1980-04-11
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公开(公告)号: US4247463A公开(公告)日: 1981-01-27
- 发明人: Armin Walser
- 申请人: Armin Walser
- 申请人地址: NJ Nutley
- 专利权人: Hoffmann-La Roche Inc.
- 当前专利权人: Hoffmann-La Roche Inc.
- 当前专利权人地址: NJ Nutley
- 主分类号: C07D243/16
- IPC分类号: C07D243/16 ; C07D487/04
摘要:
A multistep process is presented for the preparation of imidazobenzodiazepines of the formula 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 arylAlso 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.
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