1. (a) Takaya, H.; Ohta, T.; Noyori, R. In Catalytic Asymmetric Synthesis; Ojima, I., Ed.; VCH: New York, 1993; p. 1.
2. (b) Burk, M. J.; Bienewald, F. In Transition Metals for Organic Synthesis; Beller, M.; Bolm, C., Eds.; Wiley-VCH: Weinheim, 1998; Vol. 2, p. 13.
3. For some recent publications, see: (a) Holz, J.; Heller, D.; Stürmer, R.; Börner, A. Tetrahedron Lett. 1999, 40, 7059.
4. (b) RajanBabu, T. V.; Radetich, B.; You, K. K.; Ayers, T. A.; Casalnuovo, A. L.; Calabrese, J. C. J. Org. Chem. 1999, 64, 3429.
5. (c) Yamanoi, Y.; Imamoto, T. J. Org. Chem. 1999, 64, 2988.