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Reversible Heterolysis of H<sub>2</sub>Mediated by an M−S(Thiolate) Bond (M = Ir, Rh): A Mechanistic Implication for [NiFe] Hydrogenase
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Citations
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References
2008
Year
EngineeringReversible HeterolysisChemistryThiolate Complex+h2Redox BiologyIridium ComplexStructure-function Enzyme KineticsMechanistic ImplicationInorganic ChemistryBiochemistryBiocatalysisCatalysisHydrogenHydride Complex+thiolBiomolecular EngineeringNatural SciencesEnzyme CatalysisMolecular ComplexMolecular Catalysis
Facile H2 heterolysis was found to be mediated by coordinatively unsaturated Cp*Ir and Cp*Rh thiolate complexes. The reaction of iridium complex is reversible, and the formation of an intermediary Ir-H/thiol complex was detected. The reversible conversion between thiolate complex+H2 and hydride complex+thiol provides an intriguing functional model of [NiFe] hydrogenase.
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