1. US 6.316.380 (2001 Nolan); US 6.624.265 (2003 Caltec);S.J.Cazin(Ed.) N‐Heterocyclic Carbenes in Transition Metal Catalysis and Organocatalysis; Series Catalysis by Metal Complexes Springer2011;
2. Tsuji p. 305 f; Goldberg/Goldman Ch.10;
3. N-Heterocyclic Carbenes in Catalysis—An Introduction
4. N‐Heterocyclic Carbenes in Synthesis
5. N-Heterocyclic Carbenes