1: NaOH / ethanol; H2O / 10 h / Heating 2: 5.81 g / thionylchloride / 6 h / Heating 3: 87 percent / potassium carbonate / acetone / 7 h / Heating 4: 84 percent / meta-chloroperbenzoic acid / CH2Cl2 / 15 h / 20 °C 5: 78 percent / H2O / 5 h / Heating 6: 72 percent / ammonia / methanol; H2O / 24 h / 20 °C View Scheme

1: NaOH / ethanol; H2O / 10 h / Heating 2: 5.81 g / thionylchloride / 6 h / Heating View Scheme

sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride T=100°C; 8 h;