1: 100 percent / H2 / Raney nickel / ethanol / 760 Torr / Ambient temperature 2: ethanol / 3 h / on the boiling water bath View Scheme

1: 82 percent / hydrochloric acid, sodium nitrite, sodium acetate / H2O 2: 100 percent / H2 / Raney nickel / ethanol / 760 Torr / Ambient temperature 3: ethanol / 3 h / on the boiling water bath View Scheme

in ethanol 3 h; on the boiling water bath; Yield given;