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      Mechanistic aspects of dinitrogen cleavage and hydrogenation to produce ammonia in catalysis and organometallic chemistry: relevance of metal hydride bonds and dihydrogen.

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      Chemical Society reviews

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          Abstract

          Dinitrogen cleavage and hydrogenation by transition-metal centers to produce ammonia is central in industry and in Nature. After an introductory section on the thermodynamic and kinetic challenges linked to N2 splitting, this tutorial review discusses three major classes of transition-metal systems (homogeneous, heterogeneous and biological) capable of achieving dissociation and hydrogenation of dinitrogen. Molecular complexes, solid-state Haber-Bosch catalytic systems, silica-supported tantalum hydrides and nitrogenase will be discussed. Emphasis is focused on the reaction mechanisms operating in the process of dissociation and hydrogenation of dinitrogen, and in particular on the key role played by metal hydride bonds and by dihydrogen in such reactions.

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          Author and article information

          Journal
          Chem Soc Rev
          Chemical Society reviews
          1460-4744
          0306-0012
          Jan 21 2014
          : 43
          : 2
          Affiliations
          [1 ] Université de Lyon, Institut de Chimie de Lyon, CPE Lyon, CNRS, Université de Lyon 1, UMR 5265 C2P2, LCOMS, Bâtiment 308 F, 43 Boulevard du 11 Novembre 1918, F-69616, Villeurbanne Cedex, France. quadrelli@cpe.fr.
          Article
          10.1039/c3cs60206k
          24108246
          4637704e-5390-4518-b04d-d7a2b63647d6
          History

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