SEARCH Articles Figures Tables A -Heterocyclic carbene ligands A-Carben A-Heterocyclic Carbene-based Complexes A-Heterocyclic carbene catalysts A-Heterocyclic carbenes ligands A-heterocyclic carbene A-heterocyclic carbene A-heterocyclic carbenes catalysts A-heterocyclic carbenes complexes Al-Heterocyclic Carbenes (NHCs) as Ligands in Transition-Metal-Catalyzed Hydroformylation Carbenes heterocyclic Heterocyclic carbene Iridium N-Heterocyclic Carbene Complexes and Their Application as Homogeneous Catalysts Ligand Design for A-Heterocyclic Carbenes (NHC) N-Heterocyclic Carbenes as Asymmetric Organocatalysts N-heterocyclic carbenes, as ligands