1: 74 percent / sodium acetate, H2 / 10percent Pd/C / ethanol / 2 h / 2585.7 Torr 2: 49 percent / 80percent hydrazine hydrate, KOH / ethane-1,2-diol / 1.5 h / 200 °C View Scheme

hydrogen; sodium acetate; palladium on activated charcoal in ethanol P=2585.7 Torr; 2 h;

1: 74 percent / sodium acetate, H2 / 10percent Pd/C / ethanol / 2 h / 2585.7 Torr 2: 49 percent / 80percent hydrazine hydrate, KOH / ethane-1,2-diol / 1.5 h / 200 °C 3: 1.) Na2CO3, hydroxylamine hydrochloride, 2.) Na, EtOH / 1.) ethanol, reflux, 168 h, 2.) reflux, 4 h View Scheme