Method for producing phenolphthalein compound using ionic liquid catalyst composition
    1.
    发明授权
    Method for producing phenolphthalein compound using ionic liquid catalyst composition 有权
    使用离子液体催化剂组合物生产酚酞化合物的方法

    公开(公告)号:US07838689B2

    公开(公告)日:2010-11-23

    申请号:US12239952

    申请日:2008-09-29

    IPC分类号: C07D407/00

    摘要: A method for producing a phenolphthalein compound is disclosed, comprising: reacting a phenolic compound of the formula: wherein Ra is a hydrogen or a C1-C12 hydrocarbyl group, with a phthalic anhydride compound of the formula: wherein Rb is a hydrogen, a C1-C12 hydrocarbyl group, or a halogen, in the presence of an ionic liquid catalyst composition and a promoter to form a reaction mixture comprising a phenolphthalein compound of the formula: wherein each Ra is independently a hydrogen or a C1-C12 hydrocarbyl group, and Rb is a hydrogen, a C1-C12 hydrocarbyl group, or a halogen; wherein the ionic liquid catalyst composition comprises a combination of an ionic liquid and a metal halide wherein the metal is selected from the group consisting of a Group IIB, IIIA, VIII, or IVA metal, and a combination thereof.

    摘要翻译: 公开了一种生产酚酞化合物的方法,其包括:使下式的酚化合物与下式的邻苯二甲酸酐化合物反应:其中R a为氢或C 1 -C 12烃基,其中R b为氢,C 1 -C 12烃基或卤素,在离子液体催化剂组合物和促进剂的存在下形成包含下式的酚酞化合物的反应混合物:其中每个R a独立地是氢或C 1 -C 12烃基,和 Rb是氢,C1-C12烃基或卤素; 其中所述离子液体催化剂组合物包含离子液体和金属卤化物的组合,其中所述金属选自IIB,IIIA,VIII或IVA族金属及其组合。