hydrogenchloride

1: 60 percent / hydrazine hydrate / Raney nickel / dimethylformamide / 5 h / 60 - 70 °C 2: 1) 10percent NaNO2, 6 N hydrochloric acid, 2) CuCl View Scheme

1: 4.64 g / 6.5 h / 160 °C 2: 63 percent / NaNO2, glacial acetic acid / H2O / 1 h / Heating 3: 82.5 percent / butyl alcohol / 8 h / Heating 4: 60 percent / hydrazine hydrate / Raney nickel / dimethylformamide / 5 h / 60 - 70 °C 5: 1) 10percent NaNO2, 6 N hydrochloric acid, 2) CuCl View Scheme

1: 63 percent / NaNO2, glacial acetic acid / H2O / 1 h / Heating 2: 82.5 percent / butyl alcohol / 8 h / Heating 3: 60 percent / hydrazine hydrate / Raney nickel / dimethylformamide / 5 h / 60 - 70 °C 4: 1) 10percent NaNO2, 6 N hydrochloric acid, 2) CuCl View Scheme

1: 82.5 percent / butyl alcohol / 8 h / Heating 2: 60 percent / hydrazine hydrate / Raney nickel / dimethylformamide / 5 h / 60 - 70 °C 3: 1) 10percent NaNO2, 6 N hydrochloric acid, 2) CuCl View Scheme

hydrogenchloride; copper(l) chloride; sodium nitrite Multistep reaction;