Bifunctional organometallic catalysts offer unique opportunities for new and improved reactivity and selectivity. The combination of a metal's d electrons and a pendant base in the vicinity of an organometallic active site leads to substantial improvement of reaction rate in many key reactions. Here we report a synthesis of a new bifunctional N-heterocyclic carbene ligand (NHC) and coordination to iridium, ruthenium, and copper.  The metal complexes have been characterized by NMR, and X-ray crystallography. The catalytic activity of these new NHC-metal complexes in �-alkylation of secondary alcohols with primary alcohols, click chemistry, and water oxidation will be described.

Bifunctional imidazolyl-substituted N-heterocyclic carbene
complexes of iridium, ruthenium, and copper

239th National Meeting (2010)

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Bifunctional imidazolyl-substituted N-heterocyclic carbene complexes of iridium, ruthenium, and copper