hydrogenchloride; iron

1: With hydrogen bromide; sodium nitrite in 1,4-dioxane; water T=0°C; 2: With copper(I) bromide in 1,4-dioxane; water T=0 - 20°C; 0.5 h;

1: 69 percent / N-chlorosuccinimide, triethylamine / CH2Cl2 / 12 h / Heating 2: 72.8 percent / m-chloroperbenzoic acid / CH2Cl2 / 0 °C 3: 94.4 percent / HCl gas / 1,2-dichloro-ethane / 5 h / 50 °C View Scheme