Phosphine-stibine and phosphine-stiborane peri-substituted donor-acceptor complexes

Jan U. Bergsch, Alexandra Martha Zoya Slawin, Petr Kilian, Brian Alexander Chalmers*

*Corresponding author for this work

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Two novel Sb(III) and Sb(V) peri-substituted acenaphthene phosphorus−antimony compounds were prepared. The Sb(III) compound, 1, was prepared via reacting the organolithium precursor with dichloro(p-tolyl)Stibine, and 2 was prepared by the chlorination of 1. Both 1 and 2 were characterized by multinuclear (1H, 13C and 31P) NMR spectroscopy, and their molecular structures resolved by single-crystal X-ray diffraction. Both compounds show a dative P−Sb interaction with the antimony being the acceptor group in both cases owing to its Lewis acidity.
Original languageEnglish
Article numberM1653
Number of pages9
Issue number2
Publication statusPublished - 30 May 2023


  • X-ray crystallography
  • Donor-acceptor
  • p-block chemistry
  • NMR spectroscopy
  • Inert atmosphere synthesis
  • Phosphorous
  • Antimony


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