in glycerol T=200°C; 0.5 h;

1: 89 percent / NaOH / methanol; H2O / 18 h / 50 °C 2: 67 percent / glycerol / 0.5 h / 200 °C View Scheme

1: 72 percent / DBU / tetrahydrofuran / 3 h / 40 - 50 °C 2: 89 percent / NaOH / methanol; H2O / 18 h / 50 °C 3: 67 percent / glycerol / 0.5 h / 200 °C View Scheme