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Publication Detail
Reaction of tri(2-furyl)phosphine with triosmium clusters: C-H and P-C activation to afford furyne and phosphinidene ligands
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Rahman MA, Begum N, Ghosh S, Hossain MK, Hogarth G, Tocher DA, Nordlander E, Kabir SE
  • Publisher:
    ELSEVIER SCIENCE SA
  • Publication date:
    15/01/2011
  • Pagination:
    607, 612
  • Journal:
    J ORGANOMET CHEM
  • Volume:
    696
  • Issue:
    2
  • Print ISSN:
    0022-328X
  • Language:
    EN
  • Keywords:
    Trisomium clusters, Tri(2-furyl)phosphine, Carbon-hydrogen and carbon-phosphorus bond activation, Furyne cluster, Heteroaromatic ring rearrangement, RUTHENIUM CARBONYL-COMPLEXES, DISSOCIATIVE CHEMISORPTION, COUPLING REACTIONS, CRYSTAL-STRUCTURE, BOND ACTIVATION, ARYL HALIDES, SHORT BITE, CHEMISTRY, DERIVATIVES, HYDRODENITROGENATION
  • Addresses:
    Kabir, SE
    Jahangirnagar Univ
    Dept Chem
    Dhaka
    1342
    Bangladesh
Abstract
Addition of tri(2-furyl)phosphine. PFu(3), to [Os-3(CO)(10)(mu-H)(2)] at room temperature gives [HOs3(CO)(10)(PFu(3)) (mu-H)] (1), while in refluxing toluene the same reactants afford [Os-3(CO)(9)(mu(3)-PFu(2)(C4H2O))(mu-H)] (2) resulting from orthometallatation of a furyl ring. Reaction of PFu(3) with [Os-3(CO)(10-n)(NCMe)n] (n = 0, 1, 2) affords the substituted clusters [Os-3(CO)(12-n)(PFu(3))(n)] (n = 1-3) (3-5), the phosphine ligands occupying equatorial position in all cases. Heating [Os-3(CO)(11)(PFu(3))] (3) in refluxing octane gives [Os-3(CO)(9)(mu(3)-PFu)(mu(3)-eta(2)-C4H2O)] (6) which results from both carbon-hydrogen and carbon-phosphorus bond activation and contains both mu(3)-eta(2)-furyne and furylphosphinidene ligands. All new clusters have been characterized by spectroscopic methods together with single crystal X-ray diffraction for 2,3 and 6. (c) 2010 Published by Elsevier B.V.
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