Process for preparing a sulfinate

    公开(公告)号:US06399815B2

    公开(公告)日:2002-06-04

    申请号:US09891434

    申请日:2001-06-26

    申请人: Takatugu Suzuki

    发明人: Takatugu Suzuki

    IPC分类号: C07C31302

    CPC分类号: C07C313/04

    摘要: Disclosed is a process to prepare a sulfinate, which is useful for preparing a synthetic intermediate of an organic compound, especially for a color coupler, characterized by reducing a sulfonyl chloride with a sulfite or a hydrogensulfite in the presence of a hydrogenphosphate.