Experimental and theoretical study of intramolecular interaction determining the conformation of 'BETA'- carbonyl suphoxides - Distefano, G; Dal Colle, M; De Pallo, D; Jones, D; Bombieri, G; Del Pra, A; Olivato, Paulo Roberto; Mondino, M G (Journal of the Chemical Society Perkin Transactions Ii, 1996)