potassium hydroxide in ethanol 1.33333 h; Heating;

1: 79.8 percent / bromine / acetic acid / 1 h / Ambient temperature 2: 40.7 percent / 4percent KOH / ethanol / 1.33 h / Heating View Scheme

1: 12 percent / diethylaniline / 3 h / Heating 2: 70.9 percent / acetic anhydride / 1 h / Heating 3: 79.8 percent / bromine / acetic acid / 1 h / Ambient temperature 4: 40.7 percent / 4percent KOH / ethanol / 1.33 h / Heating View Scheme

1: 60 percent / N-bromosuccinimide, dibenzoylperoxide / CCl4 / 10 h / Heating 2: benzene / 8 h 3: triethylamine / toluene / 16 h / Heating View Scheme

1: benzene / 8 h 2: triethylamine / toluene / 16 h / Heating View Scheme