hydrazine hydrate in ethanol 4 h; Heating;

1: 1) n-butyllithium / 1) THF, hexane, -78 deg C, 0,5h 2: 1) n-butyllithium / 1) THF, hexane, -78 deg C, 0,5h 3: 71 percent / hydrazine hydrate / ethanol / 4 h / Heating View Scheme

1: 1) n-butyllithium / 1) THF, hexane, -78 deg C, 0,5h 2: 71 percent / hydrazine hydrate / ethanol / 4 h / Heating View Scheme

sodium in methanol 2.5 h;