potassium hydroxide 0.25 h; Heating;

1: 97 percent / 2 N NaOH / ethanol / 1 h / 5 - 10 °C 2: 63 percent / 18 percent HCl / 0.17 h / Heating View Scheme

1: 97 percent / 2 N NaOH / ethanol / 1 h / 5 - 10 °C 2: 63 percent / 18 percent HCl / 0.17 h / Heating 3: 49 percent / 10 percent sodium methanolate / methanol / 0.5 h / Ambient temperature 4: 78 percent / triethylphosphite / 20 h / Heating 5: 2) 2N HCl / 2) 1 h View Scheme

1: 97 percent / 2 N NaOH / ethanol / 1 h / 5 - 10 °C 2: 63 percent / 18 percent HCl / 0.17 h / Heating 3: 49 percent / 10 percent sodium methanolate / methanol / 0.5 h / Ambient temperature 4: 78 percent / triethylphosphite / 20 h / Heating View Scheme

1: 97 percent / 2 N NaOH / ethanol / 1 h / 5 - 10 °C 2: 63 percent / 18 percent HCl / 0.17 h / Heating 3: 49 percent / 10 percent sodium methanolate / methanol / 0.5 h / Ambient temperature 4: 78 percent / triethylphosphite / 20 h / Heating 5: 1) ethanol; 2) NH3 / 1) CHCl3; 2) ethanol View Scheme