hydrazine hydrate; nickel in ethanol Heating;

1: 33 percent / benzoyl chloride, AgNO3 / CH2Cl2 / 1.) 30 min, O deg C, 2.) 2 h, reflux 2: 70 percent / POCl3 / 4 h / Heating 3: 75 percent / aq. NH3 / 8 h / Heating 4: N2H4*H2O / Raney-nickel / ethanol / Heating View Scheme

1: 70 percent / POCl3 / 4 h / Heating 2: 75 percent / aq. NH3 / 8 h / Heating 3: N2H4*H2O / Raney-nickel / ethanol / Heating View Scheme

1: 75 percent / aq. NH3 / 8 h / Heating 2: N2H4*H2O / Raney-nickel / ethanol / Heating View Scheme