Mechanism of Phosphor Ylide-Mediated Living Polymerization of MMA. Nature of Side Reactions in the Formation of Initiators Methacrylate (MMA) Using the Polymerizations of MMA. Nature of Side Reactions 1-Naphthyltriphenylphosphonium Triphenylmethanide Initiator in the Formation of Initiators By courtesy of: Jun Ling and Thieo E. Hogen-Esch* Macromolecules 2006, 39, 9665Â