Production of difluoromethane
    3.
    发明授权
    Production of difluoromethane 失效
    生产二氟甲烷

    公开(公告)号:US06194621B1

    公开(公告)日:2001-02-27

    申请号:US08663038

    申请日:1996-06-11

    IPC分类号: C07C1908

    CPC分类号: C07C17/361 C07C19/08

    摘要: A process for the production of difluoromethane which comprises contacting bis(fluoromethyl)ether in the liquid phase with boron trifluoride under conditions such that the molar ratio of boron trifluoride to bis(fluoromethyl) ether is at least 0.5:1.

    摘要翻译: 一种制备二氟甲烷的方法,其包括在三氟化硼与双(氟甲基)醚的摩尔比为至少0.5:1的条件下使液相中的双(氟甲基)醚与三氟化硼接触。