hydrogenchloride; iron

1: 1.) FeCl3*6H2O, active carbon, 2.) 90 percent hydrazine hydrate / 1.) methanol, reflux, 15 min, 2.) methanol, reflux, 2.5 h 2: 28.7 percent / sulfuric acid / acetic acid / 72 h / Heating View Scheme

sodium hydroxide Ambient temperature;

sodium hydroxide