Carbonylation of Polyfluorobenzocyclobutenones in a SbF5 Medium

Ya V. Zonov, V. M. Karpov, T. V. Mezhenkova

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1 Citation (Scopus)


The carbonylation of perfluoro-2-R-benzocyclobutenones (R = F, CF3, C2F5, C6F5) in a CO-SbF5 system is accompanied by transformations of the four-membered cycle in the substrate to form polyfluorinated 1H-isochromene derivatives. The reaction of perfluoro-2-R-benzocyclobutenes (R = F, CF3, C2F5) with (CF3CO)2O or CF3COOH in a SbF5 medium in a sealed ampule involves formation of polyfluorobenzocyclobutenones and their carbonylation under the reaction conditions.

Original languageEnglish
Pages (from-to)1103-1111
Number of pages9
JournalRussian Journal of Organic Chemistry
Issue number8
Publication statusPublished - 1 Aug 2019


  • antimony pentafluoride
  • carbonylation
  • isochromenone
  • polyfluorinated benzocyclobutenones


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