Synthesis of New 3-(1-Ethylsulfanyl-2-perfluoroalkyl)-5-hydroxy-5-methyl (or 5-phenyl)-1,5-dihydro-pyrrol-2-ones Starting from γ-Keto Thioesters and Amines - Bouillon, Jean-Philippe; Tinant, Bernard; Nuzillard, Jean-Marc; Portella, Charles (Synthesis, 2004)