Preparation of a hydroxyalkyl phosphonic acid

    公开(公告)号:US10246474B2

    公开(公告)日:2019-04-02

    申请号:US14733016

    申请日:2015-06-08

    Abstract: The present invention is a process for converting a phosphonate to a hydroxyalkyl phosphonic acid comprising the step of contacting together water, the phosphonate, and a sulfonated or phosphonated heterogeneous catalyst under conditions sufficient to convert at least 50% of the phosphonate to the hydroxyalkyl phosphonic acid. The process of the present invention provides a way of preparing hydroxyalkyl phosphonic acids safely and economically, without corrosive effects.

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