The useful properties of H2O as a ligand of a hydrogenase mimic

Tipo de material: Texto

TextoSeries ; Dalton Transactions, 39(9), p.2218-2225, 2010Trabajos contenidos:

Zheng, C
Kim, K
Matsumoto, K
Ogo, S

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Resumen: This paper investigates the required properties of Ru-coordinated ligands of a Ni-Ru based hydrogenase mimic. A series of ligands, including MeCN, pyridine, H2O andOH- were coordinated to Ru, with H2O being the only ligand to promote H2-activation. In addition, a tethered pyridyl moiety was synthesised and found to completely inhibit H2-activation. We conclude, therefore, that H2O is the ideal ligand for this mimic as a result of both its mild basicity and the availability of two lone pairs for simultaneous binding to Ru and H2.

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This paper investigates the required properties of Ru-coordinated ligands of a Ni-Ru based hydrogenase mimic. A series of ligands, including MeCN, pyridine, H2O andOH- were coordinated to Ru, with H2O being the only ligand to promote H2-activation. In addition, a tethered pyridyl moiety was synthesised and found to completely inhibit H2-activation. We conclude, therefore, that H2O is the ideal ligand for this mimic as a result of both its mild basicity and the availability of two lone pairs for simultaneous binding to Ru and H2.

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