1-Trifluoromethyl-1-diethoxyphosphoryl Carbene: A New Synthon for the Preparation of CF3-Containing α-Hydroxy and α-Amino Phosphonic Acid Derivatives - Titanyuk, Igor D; Vorob’eva, Daria V; Osipov, Sergej N; Beletskaya, Irina P (Synlett, 2006)