N-Heterocyclic Carbenes: VI. Abietane-Based Chiral Benzimidazolium Salts as N-Heterocyclic Carbene Ligands in the Heck Reaction

摘要

New chiral benzimidazolium salts were synthesized on the basis of abietane and were used as N-heterocyclic carbene ligands in the Heck reaction.