PREPARATION OF A HYDROXYALKYL PHOSPHONIC ACID
    2.
    发明公开
    PREPARATION OF A HYDROXYALKYL PHOSPHONIC ACID 审中-公开
    HERSTELLUNG EINER羟丙基磷酰胺

    公开(公告)号:EP2957564A1

    公开(公告)日:2015-12-23

    申请号:EP15168491.7

    申请日:2015-05-20

    IPC分类号: C07F9/38 C09J4/02 C09J4/00

    CPC分类号: C07F9/3808

    摘要: 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.
    Examples for said heterogeneous catalysts are sulfonated crosslinked macroreticular ion exchange resins or a sulfonated microporous aluminosilicate minerals.
    The process is further characterized by producing phosphonates of the following formula:

    where R is H or acetyl; and R 1 is C 1 -C 10 -alkyl; and n is 2 to 10.

    摘要翻译: 本发明是一种将膦酸酯转化为羟基烷基膦酸的方法,包括在足以将至少50%的膦酸酯转化成羟烷基膦酸的条件下使水,膦酸酯和磺化或膦酸化的非均相催化剂接触在一起的步骤 。 本发明的方法提供了安全且经济地制备羟基烷基膦酸的方法,而没有腐蚀作用。 所述非均相催化剂的实例是磺化交联的大网络离子交换树脂或磺化微孔硅铝酸盐矿物。 该方法的特征还在于产生下式的膦酸酯:其中R是H或乙酰基; 且R 1为C 1 -C 10 - 烷基; n为2〜10。

    PREPARATION OF A HYDROXYALKYL PHOSPHONIC ACID

    公开(公告)号:EP2957564B1

    公开(公告)日:2018-09-12

    申请号:EP15168491.7

    申请日:2015-05-20

    IPC分类号: C07F9/38 C09J4/02 C09J4/00

    CPC分类号: C07F9/3808

    摘要: 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. Examples for said heterogeneous catalysts are sulfonated crosslinked macroreticular ion exchange resins or a sulfonated microporous aluminosilicate minerals. The process is further characterized by producing phosphonates of the following formula: where R is H or acetyl; and R 1 is C 1 -C 10 -alkyl; and n is 2 to 10.