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- [1] Glyoxylic Acid versus Ethyl Glyoxylate for the Aqueous Enantioselective Synthesis of α- Hydroxy-γ-Keto Acids and Esters by the N-Tosyl-(Sa)-binam-L-prolinamide-Organocatalyzed Aldol Reaction SYNTHESIS-STUTTGART, 2015, 47 (04): : 549 - 561