Retention of Configuration in Displacement Reactions of 2-Chloro-1,3,2-oxazaphospholidin-2-one. Stereoselective 1,4-Addition Reaction of the Anion of Chiral 2-Propenylphosphonamide - Hua, Duy H; Chen, Jin Shan; Saha, Shankar; Wang, Hui; Roche, Didier; Bharathi, S Narasimha; Chan-Yu-King, Roch; Robinson, Paul D; Iguchi, Sadahiko (Synlett, 1992)