1. aSmith, M. B. and March, J.March’s Advanced Organic Chemistry,5th ed.Wiley-Interscience:New York, 2001; p976.
2. bLowry, T. H. and Richardson, K. S.Mechanism and Theory in Organic Chemistry,3rd ed.Harper Collins Publishers:New York, 1987; p622.
3. cCarey, F. A. and Sundberg, R. J.Advanced Organic Chemistry Part B: Reactions and Synthesis,3rd ed.Plenum Press:New York, 1990; pp39–46.
4. A Redox-Reconfigurable, Ambidextrous Asymmetric Catalyst
5. Refined Transition-State Models for Proline-Catalyzed Asymmetric Michael Reactions under Basic and Base-Free Conditions