Chiral Primary Amine Catalyzed Asymmetric Tandem Reduction–Michael Addition–Protonation Reaction between Alkylidene Meldrum’s Acid and α-Substituted Vinyl Ketones

Abstract One-pot three-component tandem reduction–Michael addition–protonation reactions of alkylidene Meldrum’s acids to α-substituted vinyl ketones have been developed by using a chiral primary amine as the organocatalyst, affording the products in excellent yields and with good enantioselectivity.