1. For reviews, see (a) T.D. Tilley, in: S. Patai, Z. Rappoport (Eds.), The Chemistry of Organosilicon Compounds, Wiley, 1989, chap. 24.
2. (b) P.D. Lickiss, Chem. Soc. Rev. (1992) 271.
3. (c) K. H. Pannell, H, K, Sharma, Chem. Rev. (1995) 1351.
4. (d) C. Zybill, Top. Curr. Chem. 160 (1991) 1.
5. Fischer carbenes exhibit electrophilic behavior in contrast to Schrock carbenes, which are normally nucleophilic. See (a) E.O. Fischer, A. Massböl, Angew. Chem. Int. Ed. Engl. 3 (1964) 580. (b) K.H. Dotz, E.O. Fischer, P. Hoffmann, F.R. Kreissel, U. Schubert, K. Weiss, Transition Metal Carbene Complexes, Verlag Chemie, 1983.