Process for preparing methoxyacetic acid
    5.
    发明授权
    Process for preparing methoxyacetic acid 失效
    制备甲氧基乙酸的方法

    公开(公告)号:US4968840A

    公开(公告)日:1990-11-06

    申请号:US379417

    申请日:1989-07-13

    IPC分类号: C07C51/367

    CPC分类号: C07C51/367 Y02P20/582

    摘要: A process for preparing methoxyacetic acid by reacting monochloroacetic acid with sodium methylate, in a methanolic solvent at increased temperature. Methanol is distilled off and methoxyacetic acid methylester is added to the residue. The stirrable mixture is contacted with dry hydrochloric acid gas. The methoxyacetic acid methylester is distilled off after removing the precipitated sodium chloride, to recover the desired product.

    摘要翻译: 一种通过一氯乙酸与甲醇钠在甲醇溶剂中在升高的温度下反应制备甲氧基乙酸的方法。 蒸馏除去甲醇,加入甲氧基乙酸甲酯。 将可搅拌的混合物与干盐酸气体接触。 除去沉淀的氯化钠后,蒸出甲氧基乙酸甲酯,回收所需产物。