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    • 4. 发明授权
    • Process for the preparation of salts of substituted or unsubstituted
phthalic acids
    • 用于制备取代或未取代的邻苯二甲酸的盐的方法
    • US5723658A
    • 1998-03-03
    • US641757
    • 1996-05-02
    • Ralf PfirmannTheodor Papenfuhs
    • Ralf PfirmannTheodor Papenfuhs
    • C07C51/06C07C51/00C07C51/41C07C63/72C07C65/03C07C63/16C07C63/17
    • C07C51/00C07C51/41
    • The present invention relates to a process for the preparation of salts of substituted or unsubstituted phthalic acids, by reacting a compound of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and are H, F, Cl, Br, CF.sub.3, OH, an alkoxy or alkyl radical in each case having 1 to 4 carbon atoms, or a radical --NR.sup.7 R.sup.8, in which R.sup.7 and R.sup.8 are identical or different and are H, an alkyl radical having 1 to 4 carbon atoms, or a phenyl radical, R.sup.5 and R.sup.6 are identical or different and are H, a --CO-- alkyl group having 1 to 6 carbon atoms in the alkyl radical, or a benzoyl group, or R.sup.5 and R.sup.6 together form a radical of the formula ##STR2## in which R.sup.9, R.sup.10, R.sup.11 and R.sup.12 are identical or different and are H, F, Cl, Br, CF.sub.3, OH, an alkoxy or alkyl radical in each case having 1 to 4 carbon atoms, or a radical --NR.sup.7 R.sup.8, in which R.sup.7 and R.sup.8 are identical or different and are H, an alkyl radical having 1 to 4 carbon atoms, or a phenyl radical, with water, a water-soluble base, and an oxidizing agent at a temperature of -10.degree. to 150.degree. C. in the presence or absence of a water-insoluble solvent inert under the reaction conditions.
    • 本发明涉及一种制备取代或未取代的邻苯二甲酸的盐的方法,其中R1,R2,R3和R4相同或不同,为H,F ,Cl,Br,CF 3,OH,每种情况下具有1至4个碳原子的烷氧基或烷基,或基团-NR 7 R 8,其中R 7和R 8相同或不同,为H,具有1至4个 碳原子或苯基,R 5和R 6相同或不同,为H,烷基中具有1至6个碳原子的-CO-烷基或苯甲酰基,或者R 5和R 6一起形成 其中R 9,R 10,R 11和R 12相同或不同,为每个情况具有1至4个碳原子的H,F,Cl,Br,CF 3,OH,烷氧基或烷基的式(II) 或基团-NR 7 R 8,其中R 7和R 8相同或不同,为H,具有1至4个碳原子的烷基或苯基,与水,水溶性碱, 和在-10℃〜150℃的温度下,在反应条件下在水不溶性溶剂存在或不存在下为惰性的氧化剂。