hydrogenchloride 6 h; Heating;

hydrogenchloride 2 h; Heating;

1: 100 percent / 92percent N2H4*H2O / ethanol / 0.08 h / Heating 2: 65 percent / SOCl2 3: 66 percent / pyridine / 0.5 h / 70 °C 4: 86 percent / Raneynickel / propan-2-ol / 3 h / Heating; also H2, 10percent Pd/C, NEt3, EtOAc investigated 5: 85 percent / 2M HCl / 2 h / Heating View Scheme

1: 65 percent / SOCl2 2: 66 percent / pyridine / 0.5 h / 70 °C 3: 86 percent / Raneynickel / propan-2-ol / 3 h / Heating; also H2, 10percent Pd/C, NEt3, EtOAc investigated 4: 85 percent / 2M HCl / 2 h / Heating View Scheme

1: 86 percent / Raneynickel / propan-2-ol / 3 h / Heating; also H2, 10percent Pd/C, NEt3, EtOAc investigated 2: 85 percent / 2M HCl / 2 h / Heating View Scheme

1: 66 percent / pyridine / 0.5 h / 70 °C 2: 86 percent / Raneynickel / propan-2-ol / 3 h / Heating; also H2, 10percent Pd/C, NEt3, EtOAc investigated 3: 85 percent / 2M HCl / 2 h / Heating View Scheme

1: 93 percent / K2CO3 / ethane-1,2-diol; glycerol / 20 h / 110 °C 2: 86 percent / Raney-Ni W-2 / aq. ethanol / 9 h / Heating 3: 91 percent / aq. 20percent HCl / 6 h / Heating View Scheme

1: 86 percent / Raney-Ni W-2 / aq. ethanol / 9 h / Heating 2: 91 percent / aq. 20percent HCl / 6 h / Heating View Scheme