1: 97 percent / Raney nickel-aluminium alloy / aq. NaOH / 3 h / 90 - 120 °C 2: 84 percent / lithium aluminium hydride / diethyl ether / 1.) RT, 1.5 h, 2.) reflux, 1h. View Scheme

Raney nickel-aluminium alloy in sodium hydroxide T=90 - 120°C; 3 h;

With  potassium hydroxide; hydrazine hydrate in  ethylene glycol T=60°C; 4.5 h;  Heating;