potassium carbonate in acetone 4 h; Heating;

1: 80 percent / sodium acetate, acetic anhydride / 2 h / Heating 2: 70 percent / 0.33 h / 140 °C / Heating 3: 60 percent / K2CO3 / acetone / 4 h / Heating View Scheme

1: 70 percent / 0.33 h / 140 °C / Heating 2: 60 percent / K2CO3 / acetone / 4 h / Heating View Scheme