3-chloro-benzenecarboperoxoic acid in dichloromethane 16 h; Ambient temperature;

1: H2SO4 / H2O / 16 h / Ambient temperature 2: conc. HCl, glacial AcOH / 24 h / Heating 3: 1.) SOCl2, N,N-dimethylacetamide / 1.) -15 deg C, 15 min, 2.) -15 deg C, 15 min; room temperature, 16 h 4: m-chloroperbenzoic acid / CH2Cl2 / 16 h / Ambient temperature View Scheme

1: 1.) SOCl2, N,N-dimethylacetamide / 1.) -15 deg C, 15 min, 2.) -15 deg C, 15 min; room temperature, 16 h 2: m-chloroperbenzoic acid / CH2Cl2 / 16 h / Ambient temperature View Scheme

2: H2SO4 / H2O / 16 h / Ambient temperature 3: conc. HCl, glacial AcOH / 24 h / Heating 4: 1.) SOCl2, N,N-dimethylacetamide / 1.) -15 deg C, 15 min, 2.) -15 deg C, 15 min; room temperature, 16 h 5: m-chloroperbenzoic acid / CH2Cl2 / 16 h / Ambient temperature View Scheme

1: conc. HCl, glacial AcOH / 24 h / Heating 2: 1.) SOCl2, N,N-dimethylacetamide / 1.) -15 deg C, 15 min, 2.) -15 deg C, 15 min; room temperature, 16 h 3: m-chloroperbenzoic acid / CH2Cl2 / 16 h / Ambient temperature View Scheme