The preparation and electrochemistry of technetium and rhenium complexes of 2-(diphenylphosphino)benzenethiol. The crystal and molecular structures of [Re(2-Ph2PC6H4S)3] and [Tc(2-Ph2PC6H4S)3]

Jonathan R. Dilworth, Antony J. Hutson, Stephen Morton, Mary Harman, Michael B. Hursthouse, Jon Zubieta, Colin M. Archer, J. Duncan Kelly

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Reaction of a variety of rhenium(III) or (V) precursors with the bidentate (1-) mixed phosphino-thiol ligand 2-(diphenylphosphino)benzenethiol (DPPBTH) in mildly alkaline methanol leads to the formation of the 16-electron complex [Re(DPPBT)3] (I). With technetium [Tc(DPPBT)3] (II), [TcOCl(DPPBT)2] (III) or [TcN(DPPBT)2] (IV) may be obtained depending on the conditions and starting material. The X-ray crystal and molecular structures of I and II show very similar distortions from ideal geometry due to intraligand interactions. The complexes have been further studied by cyclic voltammetry and UV-vis spectroscopy.

Original languageEnglish (US)
Pages (from-to)2151-2155
Number of pages5
Issue number17
StatePublished - 1992


ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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