1 h; Heating;

1: 1.) N-bromosuccinimide, 2.) aq. NaOH / 1.) CH2Cl2, 30 min, 2.) CH2Cl2, 25 deg C, 1 h 2: 88 percent / 1 h / Heating View Scheme

1: With sulfuric acid T=20°C; Heating / reflux; 2: With sodium hydrogencarbonate in water; ethyl acetate

1: With PPA in tetrachloroethane, 1,1,2,2- T=150°C; Friedel Crafts Acylation; 0.75 h; CEM Explorer microwave apparatus; 2: With ammonia in water; tetrachloroethane, 1,1,2,2- T=0°C;