1: in o-xylene T=110 - 120°C; pH=6.8 - 7.3; 44 - 47 h; 2: With sulfuric acid in o-xylene; water T=20 - 28°C; pH=2.0 - 7.3; 3: With sodium hydroxide in water; ethyl acetate pH=8.0; Product distribution / selectivity;

in xylene T=120 - 125°C; 3 - 71 h; Conversion of starting material;