1: With aluminium hydride; copper(l) iodide; tetrabutylammomium bromide; nickel in N,N-dimethyl-formamide T=20°C; P=30003 Torr; Electrochemical reaction; 2: With hydrogenchloride; water in N,N-dimethyl-formamide 3 h;

acetyl chloride 16 h; RefluxInert atmosphere;

1: nitric acid / 2 h / 0 - 20 °C 2: acetyl chloride / 16 h / Reflux; Inert atmosphere View Scheme