1. For reviews, see: (a) Kagan, H. B.; Riant, O. Chem. Rev. 1992, 92, 1007;
2. (b) Pindur, U.; Lutz, G.; Otto, C. Chem. Rev. 1993, 93, 741;
3. (c) Deloux, X.; Srebnik, M. Chem. Rev. 1993, 93, 763;
4. (d) Maruoka, K.; Yamamoto, H. In Catalytic Asymmetric Synthesis; Ojima, I., Ed.; VCH: New York, 1993; pp. 413–440;
5. (e) Noyori, R. Asymmetric Catalysis in Organic Synthesis; John Wiley: New York, 1993; pp. 212–217;