1: 80 percent / NH4Br, NH3 / 144 h / Ambient temperature 2: 59 percent / NaN3 / methanol; H2O / 20 h / Heating 3: 81 percent / H2 / PtO2 / methanol / 6 h / Ambient temperature 4: 79 percent / HCl / H2O / 20 h / Heating View Scheme

hydrogenchloride; ammonia; NH4Br 1. 88 deg C, 16 h; 2. H2O, heating, 88 deg C, 20 h; Yield given. Multistep reaction;

hydrogenchloride; ammonia; NH4Br 1. 88 deg C, 16 h; 2. H2O, heating, 88 deg C, 20 h; Yield given. Multistep reaction;