hydrogenchloride; aluminium trichloride in water

hydrogenchloride; aluminium trichloride 1.) dichloroethane, reflux, 1.5 h, 2.) reflux, 4 h; Yield given. Multistep reaction;

1: 68 percent / NaH / tetrahydrofuran / 1.) 0 deg C, 30 min, 2.) 25 deg C, 12 h 2: 95 percent / trifluoroacetic anhydride, trifluoroacetic acid / 18 h / Ambient temperature 3: 1.) AlCl3, 2.) conc. HCl / 1.) dichloroethane, reflux, 1.5 h, 2.) reflux, 4 h View Scheme

1: 68 percent / NaH / tetrahydrofuran / 1.) 0 deg C, 30 min, 2.) 25 deg C, 12 h 2: 95 percent / trifluoroacetic anhydride, trifluoroacetic acid / 18 h / Ambient temperature 3: 1.) AlCl3, 2.) conc. HCl / 1.) dichloroethane, reflux, 1.5 h, 2.) reflux, 4 h View Scheme

1: 95 percent / trifluoroacetic anhydride, trifluoroacetic acid / 18 h / Ambient temperature 2: 1.) AlCl3, 2.) conc. HCl / 1.) dichloroethane, reflux, 1.5 h, 2.) reflux, 4 h View Scheme