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    • 6. 发明授权
    • Manufacture of an epoxyethyl carboxylate or glycidyl carboxylate
    • 环氧乙基羧酸酯或羧酸缩水甘油酯的制备
    • US09174955B2
    • 2015-11-03
    • US13574693
    • 2011-01-26
    • Prasad MuppaRon PostmaCaspar SchooldermanSandra RensKostas Stoitsas
    • Prasad MuppaRon PostmaCaspar SchooldermanSandra RensKostas Stoitsas
    • C07D303/12C07D301/12C07D303/48
    • C07D301/12C07D303/48
    • The invention relates to a process for the manufacture of an epoxyethyl carboxylate or glycidyl carboxylate, including reacting a vinyl carboxylate or an allyl carboxylate using an oxidant and a water-soluble manganese complex in an aqueous reaction medium, and the water-soluble manganese complex comprises an oxidation catalyst, characterized in that the water-soluble manganese complex is a mononuclear species of the general formula (I) [LMnX3]Y (I), or a binuclear species of the general formula (II): [LMn(μ-X)3MnL]Yn (II), wherein Mn is a manganese; L is a ligand and each L is independently a polydentate ligand, each X is independently a coordinating species and each μ-X is independently a bridging coordinating species, Y is a non-coordinating counter ion, and wherein the epoxidation is carried out at a pH in the range of from 1.0 to 7.0.
    • 本发明涉及一种制备环氧乙基羧酸酯或缩水甘油羧酸酯的方法,包括在水性反应介质中使用氧化剂和水溶性锰络合物使羧酸乙烯酯或烯丙基羧酸酯反应,并且水溶性锰络合物包括 其特征在于所述水溶性锰络合物是通式(I)[LMnX 3] Y(I)的单核物种或通式(II)的双核物种:[LMn(μ-X )3MnL] Yn(II),其中Mn是锰; L是配体,每个L独立地是多齿配体,每个X独立地是配位物质,每个μ-X独立地是桥联配位物质,Y是非配位抗衡离子,其中环氧化在 pH范围为1.0-7.0。