1: 100 percent / NaBH4 / ethanol; benzene / 7 h / 50 °C 2: NaH / dimethylformamide / 1.) 0 deg C, 6 h; 2.) RT, 18 h 3: cc. HCl / methanol / Heating View Scheme

3-chloro-benzenecarboperoxoic acid in dichloromethane T=-10°C; 3 h;