hydrogenchloride in water 15 h; Heating;

1: 98 percent / 6 N HCl / H2O / 15 h / Heating 2: NaOH / H2O; 2-methyl-propan-2-ol / 24 h / Ambient temperature View Scheme

1: 98 percent / 6 N HCl / H2O / 15 h / Heating 2: NaOH / H2O; 2-methyl-propan-2-ol / 24 h / Ambient temperature 3: CH2Cl2 4: 66 percent / sodium m-periodate, ruthenium dioxide / acetonitrile; H2O; CCl4 / 504 h 5: thionyl chloride, HCl gas / CH2Cl2 / 1 h 6: 80 percent / Et3N / CH2Cl2 View Scheme

in acetophenone; acetonitrile T=100°C; 2.5 h; Irradiation;

1: 94 percent / potassium tert-butoxide / tetrahydrofuran / 4 h / Ambient temperature 2: 87 percent / acetophenone / benzene / 12 h / Ambient temperature; Irradiation View Scheme