CuCl2*2H2O in water; acetone Heating;

toluene-4-sulfonic acid in tetrachloromethane 0.333333 h; Heating;

bis-[(trifluoroacetoxy)iodo]benzene in 1,2-dichloro-ethane 3 h; Ambient temperature;

1: 96 percent / triethylamine / CH2Cl2 / 0.5 h / Ambient temperature 2: 85 percent / 3-chlorobenzoperoxoic acid / CH2Cl2 / 1.) 0 deg C, 2.) room temp., 1 h 3: 82 percent / p-toluenesulfonic acid / CCl4 / 0.33 h / Heating View Scheme

tin(IV) chloride; triethylamine dichloromethane, 1.) O deg C, 2.) room temp., 15 min, 3.) room temp., 50 min; Yield given. Multistep reaction;