1. 1) Pelmutter P., “Conjugate Addition Reactions in Organic Synthesis,” Pergamon Press, Oxford, 1992.
2. 2) For recent reviews see: Kanai M., Shibasaki M., “Catalytic Asymmetric Synthesis,” 2nd ed., ed. by Ojima I., Wiley, New York, 2000.
3. 3) For recent reviews see: Tomioka K., Nagaoka Y., “Comprehensive Asymmetric Catalysis,” Vol. 3, Chap. 31.1, ed. by Jacobsen E. N., Pfaltz A., Yamamoto H., Springer Verlag, Berlin, 1999.
4. Enantioselective Organocatalysis
5. Amino acids and peptides as asymmetric organocatalysts