Synthesis of a mixed phosphonium-sulfonium bisylide R<inf>3</inf>P=C= SR<inf>2</inf>

Sergio Pascual, Matthew Asay, Ona Illa, Tsuyoshi Kato, Guy Bertrand, Nathalie Saffon-Merceron, Vicenç Branchadell, Antoine Baceiredo

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29 Citations (Scopus)


Mixing it up: The first persistent mixed phosphorus-sulfur bisylide has been synthesized (see scheme). Its formation was clearly demonstrated by its chemical reactivity, such as by methylation and complexation with CuI ions. DFT calculations on a model compound indicate that they are highly polarized species as a result of the interaction of the lone pairs of electrons on the central carbon atom with only the phosphonium function. (Chemical Equation Presented). © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.
Original languageEnglish
Pages (from-to)9078-9080
JournalAngewandte Chemie - International Edition
Issue number47
Publication statusPublished - 14 Dec 2007


  • Density functional calculations
  • Heterocumulenes
  • Phosphorus
  • Sulfur
  • Ylides


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