Platinum complexes of dibenzo[1,2]dithiin, dibenzo[1,2]dithiin oxides and related polyaromatic hydrocarbon ligands

S M Aucott, Petr Kilian, S D Robertson, Alexandra Martha Zoya Slawin, John Derek Woollins

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)

Abstract

The synthesis of platinum bisphosphine complexes of biphenyl-2,2'-dichalcogenates and the oxides of dibenzo[1,2]dithiin and related ligand systems by oxidative addition to [Pt-(PPh3)(4)] is reported. We also describe the synthesis of a new compound, di-benzothiophen-4-yldiselenide and its simple platinum complex (obtained by oxidative addition). All complexes have been fully characterised, principally by using multinuclear NMR spectroscopy and in six cases by means of single-crystal X-ray diffraction studies. The majority are simple S/S or Se/Se complexes, however the addition of dibenzo[1,2]dithin trioxide to [Pt(PPh3)(4)] gives a bimetallic system, [Pt-[2-[S(O)],2'[S(O)(2)]-biphen](PPh3)](2), containing a central Pt2S2O2 core in which the ligand behaves as a tridentate S,S,O donor.

Original languageEnglish
Pages (from-to)895-902
Number of pages8
JournalChemistry - A European Journal
Volume12
DOIs
Publication statusPublished - 11 Jan 2006

Keywords

  • coordination
  • oxygen
  • platinum
  • sulfur
  • X-ray diffraction
  • SULFUR-CONTAINING LIGANDS
  • TRANSITION-METAL COMPLEXES
  • RAY-STRUCTURE-ANALYSIS
  • CRYSTAL-STRUCTURES
  • MOLECULAR-STRUCTURE
  • OXIDATIVE ADDITION
  • SULFENATO LIGANDS
  • REDUCTION
  • OXYGENATION
  • STYRENE

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