hydrogenchloride in water 20 h; Heating;

1: 88 percent / pyridine / 336 h 2: 80 percent / NH4Br, NH3 / 144 h / Ambient temperature 3: 59 percent / NaN3 / methanol; H2O / 20 h / Heating 4: 81 percent / H2 / PtO2 / methanol / 6 h / Ambient temperature 5: 79 percent / HCl / H2O / 20 h / Heating View Scheme

1: 85 percent / H2 / PtO2 / methanol / 7 h 2: 88 percent / pyridine / 336 h 3: 80 percent / NH4Br, NH3 / 144 h / Ambient temperature 4: 59 percent / NaN3 / methanol; H2O / 20 h / Heating 5: 81 percent / H2 / PtO2 / methanol / 6 h / Ambient temperature 6: 79 percent / HCl / H2O / 20 h / Heating View Scheme

1: 83 percent / 1. 150 deg C, 1 h, 4.0E3 Pa; 2. 165 deg C, 2.5 h; 3. 180 deg C, 2.5 h 2: 81 percent / H2SO4 / CHCl3 / 16 h / Heating 3: 85 percent / H2 / PtO2 / methanol / 7 h 4: 88 percent / pyridine / 336 h 5: 80 percent / NH4Br, NH3 / 144 h / Ambient temperature 6: 59 percent / NaN3 / methanol; H2O / 20 h / Heating 7: 81 percent / H2 / PtO2 / methanol / 6 h / Ambient temperature 8: 79 percent / HCl / H2O / 20 h / Heating View Scheme

1: 81 percent / H2SO4 / CHCl3 / 16 h / Heating 2: 85 percent / H2 / PtO2 / methanol / 7 h 3: 88 percent / pyridine / 336 h 4: 80 percent / NH4Br, NH3 / 144 h / Ambient temperature 5: 59 percent / NaN3 / methanol; H2O / 20 h / Heating 6: 81 percent / H2 / PtO2 / methanol / 6 h / Ambient temperature 7: 79 percent / HCl / H2O / 20 h / Heating View Scheme

1: 92 percent / KOH / aq. ethanol / 1.5 h / Heating 2: 83 percent / 1. 150 deg C, 1 h, 4.0E3 Pa; 2. 165 deg C, 2.5 h; 3. 180 deg C, 2.5 h 3: 81 percent / H2SO4 / CHCl3 / 16 h / Heating 4: 85 percent / H2 / PtO2 / methanol / 7 h 5: 88 percent / pyridine / 336 h 6: 80 percent / NH4Br, NH3 / 144 h / Ambient temperature 7: 59 percent / NaN3 / methanol; H2O / 20 h / Heating 8: 81 percent / H2 / PtO2 / methanol / 6 h / Ambient temperature 9: 79 percent / HCl / H2O / 20 h / Heating View Scheme

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

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

1: 81 percent / H2 / PtO2 / methanol / 6 h / Ambient temperature 2: 79 percent / HCl / H2O / 20 h / Heating View Scheme