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      Synthesis of new heterometallic complexes by tin-sulfur bond cleavage of pySSnPh₃ (pySH = pyridine-2-thiol) at triruthenium and triosmium centres

      Raha, Arun K.; Ghosh, Shishir; Hossain, Iqbal; Kabir, Shariff E.; Nicholson, Brian K.; Hogarth, Graeme; Salassa, Luca
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      Synthesis of new heterometallic complexes.pdf
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      DOI
       10.1016/j.jorganchem.2010.11.022
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      Raha, A.K., Ghosh, S., Hossan, I., Kabir, S.E., Nicholson, B.K., …, Salassa, L. (2010). Synthesis of new heterometallic complexes by tin-sulfur bond cleavage of pySSnPh₃ (pySH = pyridine-2-thiol) at triruthenium and triosmium centres. Journal of Organometallic Chemistry, available online 24 November 2010.
      Permanent Research Commons link: https://hdl.handle.net/10289/4856
      Abstract
      The ruthenium-tin complex, [Ru₂(CO)₄(SnPh₃)₂(μ-pyS)₂] (1), the main product of the oxidative-addition of pySSnPh₃ to Ru₃(CO)₁₂ in refluxing benzene, is [Ru(CO)₂(pyS)(SnPh₃)] synthon. It reacts with PPh₃ to give [Ru(CO)₂(SnPh₃)(PPh₃)(μ-pyS)] (2) and further with Ru₃(CO)₁₂ or [Os₃(CO)₁₀(NCMe)₂] to afford the butterfly clusters [MOs₃(CO)₁₂ (SnPh₃)(μ₃-pyS)] (3-4). Direct addition of pySSnPh₃ to [Os₃(CO)₁₀(NCMe)₂] at 70°C gives [Os₃(CO)₉(SnPh₃)(μ₃-pyS)] (5) as the only bimetallic compound, while with unsaturated [Os₃(CO)₈{μ₃-PPh₂CH₂P(Ph)C₆H₄}(μ-H)] the previously reported [Os₃(CO)₈(μ-pyS)(μ-H)(μ-dppm)] (6) and the new bimetallic cluster [Os₃(CO)₇(SnPh₃){μ-Ph₂PCH₂P(Ph)C₆H₄}(μ-pyS)[(μ-H)] (7) are formed at 110°C. Compounds 1, 2, 4, 5 and 7 have been characterized by X-ray diffraction studies.
      Date
      2010
      Type
      Journal Article
      Publisher
      Elsevier
      Rights
      This is an author’s accepted version of an article published in the Journal of Organometallic Chemistry. © 2010 Elsevier.
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      • Science and Engineering Papers [3190]
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