1. For references, see: (a) Kim, B.-M.; Williams, S. F.; Masamune, S. Comprehensive Organic Synthesis; Trost, B. M.; Fleming, I., Eds.; Pergamon Press: Oxford, 1991; Vol. 2 (Heathcock, C. H., Ed.), Chapter 1.7.
2. (b) Heathcock, C. H. Modern Synthetic Methods; Schefford, R., Ed.; VCH: New York, 1992; p. 1.
3. (c) Denmark, S. E.; Stavenger, R. A.; Wong, K.-T.; Su, X. J. Am. Chem. Soc. 1999, 121, 4982–4991.
4. (a) Evans, D. A.; Bartroli, J.; Shih, T. L. J. Am. Chem Soc. 1981, 103, 2127–2129.
5. (b) Evans, D. A.; Takacs, J. M.; McGee, L. R.; Ennis, M. D.; Mathre, D. J.; Bartroli, J. Pure Appl. Chem. 1981, 53, 1109–1127.