1: palladium 10 on activated carbon; hydrogen / methanol / 20 °C / 2068.65 Torr / Large scale reaction 2: sodium tetrahydroborate / 1,2-dichloro-ethane / 30 - 50 °C / Large scale reaction 3: hydrogenchloride / 4 h / Reflux; Large scale reaction View Scheme

1: palladium 10 on activated carbon; hydrogen / methanol / 20 °C / 2068.65 Torr / Large scale reaction 2: sodium tetrahydroborate / 1,2-dichloro-ethane / 30 - 50 °C / Large scale reaction View Scheme

Stage #1: With  palladium 10 on activated carbon; hydrogen in  methanol T=20°C; P=2068.65 Torr;  Large scale reaction; Stage #2: With  hydrogenchloride in  methanol T=60 - 65°C; 2 h;