1. More recently reported a related reaction;Marigo;Chem Eur J Am Chem Soc,2003
2. For the use of α β - unsaturated aldehydes as Michael acceptors see;Brunner;Mol Catal Tetrahedron Angew Chem Chem Eur J,1999
3. For general reviews on catalytic asymmetric Mannich - type reactions In Comprehensive Asymmetric Catalysis Supplement;Kobayashi;Chem Res,2004
4. Asymmetric Fluoroorganic Chemistry : Synthesis Application and Future Direction American Chemical Society Enantiocontrolled Synthesis of Fluoro - Organic Compounds : Stereochemical Challenge and Biomedicinal Targets New York;Ramachandran;ACS Symposium Series,2000
5. and refs therein;Hewawasam;Med Chem Lett,2002