sodium hydrogencarbonate in ethanol T=25°C; 18 h; Yield given;

1: aq. 5 percent sodium bicarbonate / ethanol / 18 h / 25 °C 2: 88 percent / diethylaminosulfur trifluoride / CH2Cl2 / 1.) -70 deg C, 2.) to -10 deg C, 25 min View Scheme

1: aq. 5 percent sodium bicarbonate / ethanol / 18 h / 25 °C 2: 88 percent / diethylaminosulfur trifluoride / CH2Cl2 / 1.) -70 deg C, 2.) to -10 deg C, 25 min 3: 53 percent / sodium hydride / tetrahydrofuran / 3 h / 25 °C View Scheme