1: 81.5 percent / sodium acetate / methanol / 8 h / Heating 2: 66 percent / 1N potassium hydroxide / methanol / 20 h / Ambient temperature 3: 2percent sodium amalgam, 2N KOH / H2O; methanol View Scheme

1: 81.5 percent / sodium acetate / methanol / 8 h / Heating 2: 66 percent / 1N potassium hydroxide / methanol / 20 h / Ambient temperature 3: 2percent sodium amalgam, 2N KOH / H2O; methanol View Scheme