sodium hydrogencarbonate; lithium chloride in acetonitrile Ambient temperatureelectrolysis (Pt electrodes, SCE reference, LiClO4 as supporting electrolyte);

1: ammonia / methanol / 5 h 2: sulfuric acid / 7 h View Scheme

1: pyridine; 4-(N,N-dimethlyamino)pyridine / 4 h / 25 °C 2: ammonium cerium (IV) nitrate; lithium chloride / acetic acid; acetonitrile / 8 h / 80 °C 3: ammonia / methanol / 5 h 4: sulfuric acid / 7 h View Scheme

1: ammonium cerium (IV) nitrate; lithium chloride / acetic acid; acetonitrile / 8 h / 80 °C 2: ammonia / methanol / 5 h 3: sulfuric acid / 7 h View Scheme

sulfuric acid 7 h;