1: 30 percent / 0.7 N HCl / 1.5 h / Ambient temperature 2: 56 percent / NH3 / methanol / 15 h / Ambient temperature 3: 32 percent / iodine monochloride / 5 h / Ambient temperature View Scheme

1: 30 percent / 0.7 N HCl / 1.5 h / Ambient temperature 2: 56 percent / NH3 / methanol / 15 h / Ambient temperature 3: 38 percent / Br2 / H2O View Scheme

ammonia in methanol T=80°C; 18 h;