Process for preparation of piperazinyl and diazepanyl benzamide derivatives
    4.
    发明专利
    Process for preparation of piperazinyl and diazepanyl benzamide derivatives 审中-公开
    制备哌嗪和二氮杂苯并咪唑衍生物的方法

    公开(公告)号:JP2013241453A

    公开(公告)日:2013-12-05

    申请号:JP2013162225

    申请日:2013-08-05

    IPC分类号: C07D295/02 C07D295/10

    摘要: PROBLEM TO BE SOLVED: To provide a novel process for the preparation of piperazinyl and diazepanyl benzamide derivatives, useful for the treatment of disorders and conditions mediated by a histamine receptor, preferably the H3 receptor.SOLUTION: This invention provides a process for the preparation of a compound represented by formula (XI), wherein R1 is a specific substituent such as C1-10 alkyl, C3-8 alkenyl, and (C1-8 alkylcarbonyl)C1-8alkyl, the process comprising reacting a compound represented by formula (XX), wherein X is hydrogen or a nitrogen protecting group and wherein both Z substituents are the same and are a leaving group, with a compound represented by formula (XXI), in an organic solvent, to yield the corresponding compound represented by the formula (XI).

    摘要翻译: 要解决的问题:提供用于制备哌嗪基和二氮杂环庚烷基苯甲酰胺衍生物的新方法,其可用于治疗由组胺受体,优选H3受体介导的病症和病症。解决方案:本发明提供了制备 由式(Ⅺ)表示的化合物,其中R 1是特定的取代基如C 1-10烷基,C 3-8烯基和(C 1-8烷基羰基)C 1-8烷基,该方法包括使式(ⅩⅩ) 其中X为氢或氮保护基,并且其中两个Z取代基相同且为离去基团,与式(XXI)表示的化合物在有机溶剂中反应,得到相应的式(XI )。