Mononuclear ruthenium complexes containing a tetradentate bipyridine dicarboxylic acid equatorial ligand and various N-heterocyclic carbine axial ligands were studied in order to determine their potential as catalysts for the oxidation of water and to determine how the structure of the complex was affected by varying the NHC ligand. In order to synthesize these complexes, [RuII(dmso)4Cl2] was first prepared from RuCl3 and dimethyl sulfoxide. Once this complex was prepared, the tetradentate bipyridine dicarboxylic acid equatorial ligand was added by reacting the [RuII(dmso)4Cl2] complex with 2,2’-bipyridine-6,6’-dicarboxylic acid and dichloromethane. The ability of 5 different NHC ligands to subsequently form complexes was then studied. Characterization of these complexes via NMR and X-ray diffraction are contained herein.

Synthesis of mononuclear ruthenium complexes containing a tetradentate bipyridine dicarboxylic acid equatorial ligand and two N-heterocyclic carbene axial ligands

249th National Meeting (2015)

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Synthesis of mononuclear ruthenium complexes containing a tetradentate bipyridine dicarboxylic acid<br />equatorial ligand and two N-heterocyclic carbene axial ligands