1. For reviews, see: (a) Ochiai, M. Topics in Current Chemistry; Wirth, T., Ed.; Springer: Berlin, 2003; Vol. 224, p. 5;
2. (b) Zhdankin, V. V.; Stang, P. J. Chem. Rev. 2002, 102, 2523;
3. (c) Ochiai, M. J. Organomet. Chem. 2000, 611, 494;
4. (d) Ochiai, M. In Chemistry of Hypervalent Compounds; Akiba, K., Eds.; Wiley-VCH: New York, 1999; Chapter 12;
5. (e) Koser, G. F. The Chemistry of Functional Groups, Supplement D2; Patai, S., Rappoport, Z., Eds.; Wiley: New York, 1995; Chapter 21;