triethyl amine hydrochloride T=150°C; Heating;

1: 44 percent / triethylamine hydrochloride / 3 h / 180 °C 2: 92 percent / LiAlH4 / tetrahydrofuran / 2 h / Ambient temperature 3: 93 percent / pyridine / 2 h / Ambient temperature 4: 37 percent / 3 h / Heating 5: 31 percent / W-4 Raney nickel / acetone / 4 h / Heating View Scheme