1: 92 percent / hydrogen / W-2 Raney nickel / methanol / 760 Torr / Ambient temperature 2: 80 percent / 30percent hydrochloric acid / methanol / 25 h / Heating 3: 99 percent / Et3N / benzene / 24 h / Ambient temperature 4: 76 percent / hydrogen / W-2 Raney nickel / methanol / 760 Torr / Ambient temperature 5: toluene / 5 h / Heating View Scheme

1: 92 percent / hydrogen / W-2 Raney nickel / methanol / 760 Torr / Ambient temperature 2: 80 percent / 30percent hydrochloric acid / methanol / 25 h / Heating View Scheme