Jacques DELAUNAY, Gilles MABON, Mohamed CHAQUIQ EL BADRE, Armelle ORLIAC and Jacques SlMONET* Iabomtoire d'Electrochimie Asso& au CNRS, Universit6 de Rennes I, Beaulieu, 35042 RENNES (FRAhTE) ... Abstract : Heteroarylalkylsulfones -mainly pyridylallrylsulfones- exhibit a cathodic cleavage reaction producing alkmesulfinate anion in high yield. This reaction is tested with long chain alkyl groups and allows en easy ...