sodium hydride in N,N-dimethyl-formamide T=110°C; 12 h;

1: 92 percent / p-toluenesulfonic acid monohydrate / toluene / 24 h / Heating 2: 75 percent / NaH / dimethylformamide / 12 h / 110 °C View Scheme

1: 81 percent / Amberlite IR 120 / acetone / 12 h / 20 °C 2: 90 percent / Acinetobacter sp. TD63 / ethanol / 16 h / 30 °C 3: horse liver alcohol dehydrogenase / various solvent(s) / 1.5 h / 25 °C View Scheme

Amberlite IR 120 in acetone T=20°C; 12 h;