Iridium coordination complexes have been the focus of several important homogenous catalytic reactions including dehydrogenation, hydrogenation, water oxidation, borylation, etc. Recently our laboratories have synthesized several iridium complexes supported by a bidentate pyridylpyrrolide ligand, which offers a hard mono-anionic ligand capable of electronic and steric tunability for the promotion of reversible oxidative addition and reductive elimination chemistry. This talk will discus our efforts in exploring the electronic effects of the pyridylpyrrolide ligand and the hydride chemistry of several iridium complexes. Our initial results demonstrate that these complexes are fully capable of the reversible binding of molecular hydrogen and will be investigated as potential hydrogenation or dehydrogenation reagents.

Iridium-pyridylpyrrolide complex capable of the reversible binding of molecular hydrogen

245th National Meeting (2013)

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