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      New complexes with M-Si-O or M-Si-S linkages (M = Fe or Co)

      McIndoe, J. Scott; Nicholson, Brian K.
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      DOI
       10.1016/S0022-328X(01)01403-6
      Link
       www.elsevier.com
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      McIndoe, J.S. & Nicholson, B.K. (2002). New complexes with M-Si-O or M-Si-S linkages (M = Fe, Co). Journal of Organometallic Chemistry, 648, 237-245.
      Permanent Research Commons link: https://hdl.handle.net/10289/144
      Abstract
      Ph2XSiFe(CO)2Cp [X = p-tolylS (1a), MeO (1b)] and Ph[2-MeOC6H4]XSiFe(CO)2Cp [X = Cl (2a), OMe (2b)] have been fully characterised, including X-ray crystal structure determinations for 1a, 1b and 2a. None of the examples showed any tendency for migration of the X groups from silicon to iron, with elimination of silylene. However very ready loss of the X groups was seen in the electrospray mass spectra, suggesting formation of the cationic silylene-iron complex ions is favoured. This was especially so for 2a and 2b, where intramolecular stabilisation of the silicon centre from the 2-OMe group is possible.The stable siloxane O[SiPh2{Co(CO)4}]2 was also characterised; the X-ray crystal structure analysis shows a Si-O-Si bond angle of 153°.
      Date
      2002-01-01
      Type
      Journal Article
      Publisher
      Elsevier SA
      Rights
      This is an authors version of an article published in the, Journal of Organometallic Chemistry, (c) 2002 Elsevier Science B.V.
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      • Science and Engineering Papers [3122]
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