3-chloro-benzenecarboperoxoic acid in dichloromethane Ambient temperature;

1: 74 percent / m-chloroperbenzoic acid / CH2Cl2 / 24 h / Ambient temperature 2: 61 percent / triethylamine / acetonitrile / 5 h / 70 °C 3: 97 percent / KOH / acetonitrile; H2O / 14 h / Ambient temperature 4: 2.) SiO2 / 1.) THF, hexane, -50 deg C, 30 min, 2.) 1 week; other reagent: H(1+) View Scheme

1: 74 percent / m-chloroperbenzoic acid / CH2Cl2 / 24 h / Ambient temperature 2: 61 percent / triethylamine / acetonitrile / 5 h / 70 °C 3: 97 percent / KOH / acetonitrile; H2O / 14 h / Ambient temperature 4: 90 percent / HCl / CH2Cl2 / 1.) room temperature, 24 h, 2.) reflux, 10 h View Scheme