hydrazine hydrate in ethanol 3 h; Heating;

1: 92 percent / ethanol / 12 h / 120 °C 2: 91 percent / hydrazine hydrate / ethanol / 3 h / Heating View Scheme

1.1: Mg / tetrahydrofuran 1.2: 49 percent / tetrahydrofuran / 40 °C 2.1: 70 percent / 4-toluenesulphonic acid / tetrahydrofuran; H2O / Heating 3.1: 100 percent / Heating 4.1: 64 percent / N2H4*H2O / ethanol / Heating View Scheme

1: 70 percent / 4-toluenesulphonic acid / tetrahydrofuran; H2O / Heating 2: 100 percent / Heating 3: 64 percent / N2H4*H2O / ethanol / Heating View Scheme

1.1: 64 percent / 4-toluenesulphonic acid / toluene / Heating 2.1: Mg / tetrahydrofuran 2.2: 49 percent / tetrahydrofuran / 40 °C 3.1: 70 percent / 4-toluenesulphonic acid / tetrahydrofuran; H2O / Heating 4.1: 100 percent / Heating 5.1: 64 percent / N2H4*H2O / ethanol / Heating View Scheme

1: tetrahydrofuran / 1 h / 32 2: 92 percent / ethanol / 12 h / 120 °C 3: 91 percent / hydrazine hydrate / ethanol / 3 h / Heating View Scheme

1: tetrahydrofuran / 1 h / 32 2: 92 percent / ethanol / 12 h / 120 °C 3: 91 percent / hydrazine hydrate / ethanol / 3 h / Heating View Scheme