sodium ethanolate 24 h; Heating;

1: 36 percent / triethylamine / CHCl3 / 12 h / Heating 2: 80 percent / sodium ethoxide / 24 h / Heating View Scheme

1: 87 percent / methanol / 12 h / Ambient temperature 2: 36 percent / triethylamine / CHCl3 / 12 h / Heating 3: 80 percent / sodium ethoxide / 24 h / Heating View Scheme