hydrogenchloride in chloroform 20 h; Ambient temperature;

1: 98 percent / SOCl2 / 0.83 h / 120 °C 2: 71 percent / AlCl3 / CH2Cl2 / 1.) -70 deg C, 1h; 2.) -60 deg C, 1h; 3.) -20 deg C, 1h 3: 82 percent / HCl / CHCl3 / 20 h / Ambient temperature View Scheme

1: 71 percent / AlCl3 / CH2Cl2 / 1.) -70 deg C, 1h; 2.) -60 deg C, 1h; 3.) -20 deg C, 1h 2: 82 percent / HCl / CHCl3 / 20 h / Ambient temperature View Scheme

1: 87 percent / tetrahydrofuran / 2 h / Ambient temperature 2: 88 percent / KOH / methanol; H2O / 24 h / Ambient temperature 3: 93 percent / SOCl2 / 0.83 h / 120 °C 4: 57 percent / AlCl3 / CH2Cl2 / 1 h / -30 °C 5: 82 percent / HCl / CHCl3 / 20 h / Ambient temperature View Scheme

1: 57 percent / AlCl3 / CH2Cl2 / 1 h / -30 °C 2: 82 percent / HCl / CHCl3 / 20 h / Ambient temperature View Scheme

1: 93 percent / SOCl2 / 0.83 h / 120 °C 2: 57 percent / AlCl3 / CH2Cl2 / 1 h / -30 °C 3: 82 percent / HCl / CHCl3 / 20 h / Ambient temperature View Scheme

1: 90 percent / KOH / methanol / 24 h / Heating 2: 98 percent / SOCl2 / 0.83 h / 120 °C 3: 71 percent / AlCl3 / CH2Cl2 / 1.) -70 deg C, 1h; 2.) -60 deg C, 1h; 3.) -20 deg C, 1h 4: 82 percent / HCl / CHCl3 / 20 h / Ambient temperature View Scheme

1: 88 percent / KOH / methanol; H2O / 24 h / Ambient temperature 2: 93 percent / SOCl2 / 0.83 h / 120 °C 3: 57 percent / AlCl3 / CH2Cl2 / 1 h / -30 °C 4: 82 percent / HCl / CHCl3 / 20 h / Ambient temperature View Scheme