1: 77 percent / Acetic acid, hydrogen chloride gas / 1.) Room temp., 2.) 60-70 deg C 2: 99 percent / acetonitrile / 1.5 h / Heating 3: 99 percent / Sodium borohydride / methanol; H2O / 1.) below 20 deg C, 2.) room temp., 1.5 h 4: 73 percent / Benzyltriethylammonium Permanganate / CH2Cl2 / 5 h / 20 °C 5: 61 percent / Aluminium chloride / 1,2-dichloro-ethane / 1.5 h / Heating 6: 71 percent / aniline / pyridine / 2 h / 60 °C 7: 72 percent / Copper powder, quinoline / 1 h / Heating View Scheme

aluminium trichloride in 1,2-dichloro-ethane T=0°C; 2 h; 2.) Room temp., 3 h;