MK Tay, E. About-Jaudet, N. Collignon Laboratoire des Composds Organophosphords INSA-IRCOF, BP 08, 76131 Mont-Saint-Aignan (France) ... MP Teulade, Ph. Savignac Laboratoire de Chimie du Phosphore et des Mktaux de Transition DCPH, Ecole Polytechnique, 91128 Palaiseau Cedex (France) ... ABSTRACT : Condensation of a -1ithioalkylphosphonates with diethylcarbonate in the presence of LDA generates carbetoxy- alkylphoshonate anions which upon ...