3-chloro-benzenecarboperoxoic acid in dichloromethane 20 h;

1: 68 percent / methanol / 0.25 h / 0 °C 2: 73 percent / m-chloroperbenzoic acid / CH2Cl2 / 20 h View Scheme

1: 81 percent / HNO3, H2SO4 / 1) 0 deg C, 30 min, 2) r.t., 1h 2: 68 percent / methanol / 0.25 h / 0 °C 3: 73 percent / m-chloroperbenzoic acid / CH2Cl2 / 20 h View Scheme