High-yield method for preparing lansoprazole
    32.
    发明授权
    High-yield method for preparing lansoprazole 失效
    高产量制备兰索拉唑的方法

    公开(公告)号:US06423846B1

    公开(公告)日:2002-07-23

    申请号:US09967581

    申请日:2001-09-28

    IPC分类号: C07D40112

    CPC分类号: C07D401/12

    摘要: Lansoprazole of formula (I) can be produced economically in a high yield using a simple, two-step method comprising reacting hydroxymethylpyridine and benzimidazole starting materials in the presence of a phosphine compound and a dialkyl azodicaboxlate and oxidizing the product of the first step in the presence of an organic radical catalyst:

    摘要翻译: 式(I)的兰索拉唑可以使用简单的两步方法以高产率经济地生产,包括在膦化合物和偶氮二羧酸二烷基酯的存在下羟基甲基吡啶和苯并咪唑起始原料反应,并将第 有机自由基催化剂的存在: