Process for preparing certain substituted caprolactams

    公开(公告)号:US06545148B2

    公开(公告)日:2003-04-08

    申请号:US10095325

    申请日:2002-03-11

    IPC分类号: C07D22312

    CPC分类号: C07D223/12

    摘要: The present invention relates to an improved process for preparing certain substituted caprolactam compounds which comprises acylating an aminocaprolactam compound with a lactone compound in the presence of a weak base and a polar, organic solvent, and hydrolyzing the resultant diamide compound in a mixture of solvents to obtain the desired caprolactam compound.