hydrazine hydrate in ethanol 96 h; Heating;

1: 88 percent / N-bromosuccinimide, benzoyl peroxide / CCl4 / 1.5 h / Heating 2: 43 percent / Zn / 4 h / 80 - 90 °C 3: 92 percent / KOH / methanol; H2O / 20 h / Heating 4: SOCl2 / 17 h / Heating 5: 57 percent / AlCl3 / 2 h / Ambient temperature 6: 50 percent / hydrazine hydrate / ethanol / 96 h / Heating View Scheme

1: SOCl2 / 17 h / Heating 2: 57 percent / AlCl3 / 2 h / Ambient temperature 3: 50 percent / hydrazine hydrate / ethanol / 96 h / Heating View Scheme

1: 43 percent / Zn / 4 h / 80 - 90 °C 2: 92 percent / KOH / methanol; H2O / 20 h / Heating 3: SOCl2 / 17 h / Heating 4: 57 percent / AlCl3 / 2 h / Ambient temperature 5: 50 percent / hydrazine hydrate / ethanol / 96 h / Heating View Scheme