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      https://www.ias.ac.in/article/fulltext/jcsc/123/06/0799-0805

    • Keywords

       

      Naphthyridine; rhodium; N-heterocyclic carbene; metal-metal bond; oxidative addition.

    • Abstract

       

      Metal-metal singly bonded [Rh2(CO)4(acac)2][OTf]2 (1) has been synthesized and characterized by spectroscopic and analytical techniques. A density functional theory (DFT) optimized structure has been computed for the unbridged centro-symmetric structure. Reaction of 1 with PIN.HBr results in the [Rh(PIN)2(H2O)Br][OTf]2 (2) in high yield. The reaction involves metal-oxidation from RhII to RhIII accompanied by the metal-metal bond cleavage. The X-ray structure of 2 has been determined which reveals the incorporation of two N-heterocyclic carbene (NHC) ligands to each rhodium. This work demonstrates the general utility of the metal-metal bonded compounds for the easy synthesis of metal-NHC compounds.

    • Author Affiliations

       

      Arup Sinha1 Abir Sarbajna1 Shrabani dinda1 Jitendra K Bera1

      1. Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
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