1: 1.) p-toluenesulfonic acid, 2.) ethanolic NH3 / 1.) a) RT, 10 min, b) 120 deg C, 15 min, 2.) 90 deg C, 16 h 2: 89 percent / m-chloroperoxybenzoic acid / ethanol / 19 h / Ambient temperature View Scheme

ammonia; toluene-4-sulfonic acid; 3-chloro-benzenecarboperoxoic acid Multistep reaction;

ammonia 48 h; Ambient temperature;

ammonia 48 h; Ambient temperature;

1: 85 percent / NH3 / 48 h / Ambient temperature 2: 21 percent / 48percent aq. HBF4, KNO2 / 1 h / 5 °C View Scheme