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2007•European Journal of Inorganic ChemistryRequires access

Hydrogenation of a Trinuclear μ3‐Imido Complex of Ruthenium: Homolytic or Heterolytic H–H Bond Cleavage?

Hajime Kameo, Yumiko Nakajima, Hiroharu Suzuki

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Abstract

Abstract To elucidate the mode of hydrogen–hydrogen bond cleavage at transition metal sites that cooperate with a heteroatom, the hydrogenation of trinuclear μ3‐imido complex (Cp*Ru)3(μ3‐NH)(μ‐H)3 (Cp* = η5‐C5Me5) (1) with deuterium was carried out. The percentage of deuterium content in the amido ligand of (Cp*Ru)3(μ‐NH2)(μ‐H)4 (2), which was generated as an intermediate in the reaction of 1 with dihydrogen, proved that hydrogenation of 1 to 2 proceeded through homolytic cleavage of dihydrogen.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)

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Abstract To elucidate the mode of hydrogen–hydrogen bond cleavage at transition metal sites that cooperate with a heteroatom, the hydrogenation of trinuclear μ3‐imido complex (Cp*Ru)3(μ3‐NH)(μ‐H)3 (Cp* = η5‐C5Me5) (1) with deuterium was carried out. The percentage of deuterium content in the amido ligand of (Cp*Ru)3(μ‐NH2)(μ‐H)4 (2), which was generated as an intermediate in the reaction of 1 with dihydrogen, proved that hydrogenation of 1 to 2 proceeded through homolytic cleavage of dihydrogen.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)

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Available abstract

Abstract To elucidate the mode of hydrogen–hydrogen bond cleavage at transition metal sites that cooperate with a heteroatom, the hydrogenation of trinuclear μ3‐imido complex (Cp*Ru)3(μ3‐NH)(μ‐H)3 (Cp* = η5‐C5Me5) (1) with deuterium was carried out. The percentage of deuterium content in the amido ligand of (Cp*Ru)3(μ‐NH2)(μ‐H)4 (2), which was generated as an intermediate in the reaction of 1 with dihydrogen, proved that hydrogenation of 1 to 2 proceeded through homolytic cleavage of dihydrogen.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)

Key concepts: Heterolysis, Chemistry, Homolysis, Bond cleavage, Ruthenium, Deuterium, Heteroatom, Cleavage (geology)

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Hydrogenation of a Trinuclear μ3‐Imido Complex of Ruthenium: Homolytic or Heterolytic H–H Bond Cleavage? — Research Paper | ScholarLens