hydrogenchloride in ethanol; water 14 h; Ambient temperature;

1: 97 percent / m-chloroperbenzoic acid / CH2Cl2 / 20 h / Ambient temperature 2: 45 percent / triethylamine, benzoyl chloride / CH2Cl2 / 20 h / Ambient temperature 3: 78 percent / sodium ethoxide / 5 h / Ambient temperature 4: 97 percent / 10percent hydrochloric acid / ethanol; H2O / 14 h / Ambient temperature View Scheme

1: 45 percent / triethylamine, benzoyl chloride / CH2Cl2 / 20 h / Ambient temperature 2: 78 percent / sodium ethoxide / 5 h / Ambient temperature 3: 97 percent / 10percent hydrochloric acid / ethanol; H2O / 14 h / Ambient temperature View Scheme

sulfuric acid in ethanol 15 h; Heating;

1: 78 percent / sodium ethoxide / 5 h / Ambient temperature 2: 97 percent / 10percent hydrochloric acid / ethanol; H2O / 14 h / Ambient temperature View Scheme

diisobutylaluminium hydride in dichloromethane T=-5°C; 0.25 h;