Ethyl 5-[(4-Methylphenyl)sulfonyl]-3-Oxopentanoate: A Bench-Stable Synthon for Ethyl 3-Oxopent-4-enoate (Nazarov’s Reagent) - Benetti, Simonetta; Carli, Stefano; De Risi, Carmela; Pollini, Gian P.; Veronese, Augusto C.; Zanirato, Vinicio (Synlett, 2008)