1. P. P. Gaspar and R. West, in Chemistry of Organic Silicon Compounds, Ed. by Z. Rappoport and Y. Apeloig (Wiley, Chichester, 1997), Vol. 2.
2. S. A. Fontis Media, Carbene Chemistry: From Fleeting Intermediates to Powerful Reagents (New York, Basel, 2002).
3. C. M. Crudden and J. M. Praetorius, N-Heterocyclic Carbenes in Transition Metal Catalysis, Topics in Organometallic Chemistry (Springer, Berlin, Heidelberg, New York, 2007), Vol. 21.
4. M. Z. Kassaee, S. Arshadi, M. Acedy, and E. Vessally, J. Organomet. Chem. 690, 3427 (2005).
5. R. Gleiter and R. Hoffmann, J. Am. Chem. Soc. 90, 5457 (1968).