The synthesis of functional aromatic bis (sulfonyl chlorides) containing an acetophenone and two sulfonyl chloride groups, ie, 3, 5-bis [4-(chlorosulfonyl) phenyl]-1-acetophenone (16), 3, 5-bis (chlorosulfonyl)-1-acetophenone (17), and 3, 5-bis (4-(chlorosulfonyl) phenyloxy)-1-acetophenone (18) via a sequence of reactions, involving in the last step the quantitative oxidative chlorination of S-(aryl)-N, N'-diethylthiocarbamate, alkyl-or benzyl ...