hydrogenchloride in water T=80°C; 6 h;

1: 4-(N,N-dimethlyamino)pyridine; triethylamine / dichloromethane / 0 - 20 °C 2: [Cp*RhCl2]2; silver hexafluoroantimonate; copper diacetate / 1,2-dichloro-ethane / 36 h / 120 °C / |Schlenk technique; |Inert atmosphere 3: palladium 10 on activated carbon; hydrogen / methanol / 20 °C / 760.05 Torr 4: hydrogenchloride / water / 6 h / 80 °C View Scheme

1: [Cp*RhCl2]2; silver hexafluoroantimonate; copper diacetate / 1,2-dichloro-ethane / 36 h / 120 °C / |Schlenk technique; |Inert atmosphere 2: palladium 10 on activated carbon; hydrogen / methanol / 20 °C / 760.05 Torr 3: hydrogenchloride / water / 6 h / 80 °C View Scheme