sodium hydroxide T=100°C; 7 h;

hydrogenchloride T=100°C; 2.5 h; Yield given. Yields of byproduct given;

1: 1) K2CO3 / 1) N,N-dimethylacetamide, 100 deg C, 50 min, 2) N,N-dimethylacetamide, 100 deg C, 3 h 2: 0.5 N aq. HCl / 2.5 h / 100 °C View Scheme