Process suitable for industrial scale production of gabapentin
    1.
    发明授权
    Process suitable for industrial scale production of gabapentin 失效
    工艺适用于加巴喷丁的工业规模生产

    公开(公告)号:US07442834B2

    公开(公告)日:2008-10-28

    申请号:US11457023

    申请日:2006-07-12

    IPC分类号: C07C229/00

    摘要: This invention relates to an improved process for the preparation of substantially pure, stable anhydrous gabapentin. Thus, cyclohexane 1,1-diacetic acid monoamide is first treated with NaOH/NaClO to form 3,3-pentamethylenebutyrolactam, which is treated with aqueous HCl solution under reflux to provide gabapentin HCl salt, which is then neutralized with NaOH followed by a dehydration step to provide substantially pure, storage-stable, pharmaceutical grade gabapentin.

    摘要翻译: 本发明涉及制备基本上纯的,稳定的无水加巴喷丁的改进方法。 因此,首先用NaOH / NaClO处理环己烷1,1-二乙酸单酰胺以形成3,3-五亚甲基丁内酰胺,其在回流下用HCl水溶液处理,得到加巴喷丁HCl盐,然后用NaOH中和脱水 提供基本上纯的储存稳定的药用级加巴喷丁。

    A Process Suitable for Industrial Scale Production of Gabapentin
    2.
    发明申请
    A Process Suitable for Industrial Scale Production of Gabapentin 失效
    一种适用于工业规模生产加巴喷丁的方法

    公开(公告)号:US20070287861A1

    公开(公告)日:2007-12-13

    申请号:US11457023

    申请日:2006-07-12

    IPC分类号: C07C229/32

    摘要: This invention relates to an improved process for the preparation of substantially pure, stable anhydrous gabapentin. Thus, cyclohexane 1,1-diacetic acid monoamide is first treated with NaOH/NaClO to form 3,3-pentamethylenebutyrolactam, which is treated with aqueous HCl solution under reflux to provide gabapentin HCl salt, which is then neutralized with NaOH followed by a dehydration step to provide substantially pure, storage-stable, pharmaceutical grade gabapentin.

    摘要翻译: 本发明涉及制备基本上纯的,稳定的无水加巴喷丁的改进方法。 因此,首先用NaOH / NaClO处理环己烷1,1-二乙酸单酰胺以形成3,3-五亚甲基丁内酰胺,其在回流下用HCl水溶液处理,得到加巴喷丁HCl盐,然后用NaOH中和脱水 提供基本上纯的储存稳定的药用级加巴喷丁。