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    • Metal — metal multiple bonded intermediates in catalysis

      John F Berry

      Volume 127 Issue 2 February 2015 pp 209-214

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/127/02/0209-0214

    • Keywords

       

      Catalysis; metal-metal bonds; carbene; nitrene; nitride.

    • Abstract

       

      Metal–metal bonded Rh2 and Ru2 complexes having a paddlewheel-type structure are exceptional catalysts for a broad range of organic transformations. I review here the recent efforts towards the observation and characterization of intermediates in these reactions that have previously eluded detection. Specifically, mechanistic investigations of carbenoid and nitrenoid reactions of Rh2(II,II)-tetracarboxylate compounds have led to the observation of a metastable Rh2(II,II) carbene complex as well as a mixed-valent Rh2(II,III)-amido intermediate. Related Ru2 nitrido compounds have been studied and found to undergo intramolecular C–H amination reactions as well as intermolecular reaction with triphenylphosphine

    • Author Affiliations

       

      John F Berry1

      1. Department of Chemistry, University of Wisconsin – Madison, 1101 University Ave., Madison, WI 53706, USA

    • Dates

       
      Published
      February 2015
      Manuscript received
      19 May 2014
      Accepted
      17 July 2014

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