1.1: N,O-bis(trimethylsilyl)acetamide / acetonitrile / 0.25 h / 20 °C 1.2: 73 percent / trimethylsilyl trifluoromethanesulfonate / acetonitrile / 2 h / 60 °C 2.1: 72 percent / CHCl3; ethanol / 0.5 h 3.1: 97 percent / ammonium formate / Pd/C / ethanol / 1 h / Heating 4.1: sodium methoxide / methanol / 1 h / 20 °C 5.1: 0.44 g / methanol / 18 h / Heating View Scheme

palladium 10 on activated carbon; hydrogen; sodium hydrogencarbonate in ethanol T=70°C; P=75007.5 Torr; 24 h; Autoclave;