A New Route to Sulfonamides via Intermolecular Radical Addition to Pentafluorophenyl Vinylsulfonate and Subsequent Aminolysis

Various radical species generated from either the corresponding iodo- or bromo- compounds and tri-n-butyltin hydride were added in an intermolecular fashion to the activated acceptor pentafluorophenyl vinylsulfonate. The products of each reaction were then subjected to aminolysis with a variety of different amines.