A Cooperative Participation of the Amido Group in the Organocatalytic Construction of All-Carbon Quaternary Stereocenters by Michael Addition with beta-Ketoamides

Maria del Mar Sanchez Duque, Olivier Basle, Nicolas Isambert, Anouk Gaudel-Siri, Yves Genisson, Jean-Christophe Plaquevent, Jean Rodriguez, Thierry Constantieux,
Organic Letters, 13 3296-3299 (2011)