Cyclic bis(phosphanyl)carbenium ion by protonation of a 1,3-diphosphacyclobutane-2,4-diyl

Manuel Sebastian, Aaron Hoskin, Martin Nieger, Lászlá Nyulászi, Edgar Niecke

Research output: Contribution to journalArticle

29 Citations (Scopus)


Strong interactions with the lone pairs of the neighboring, pyramidalized phosphorus atoms stabilize the cyclic carbenium ion 2. The 1,3-bis(phosphanyl) carbenium unit was obtained by protonation of a 1,3-diphosphacyclobutane-2,4- dlyl 1 (R = 2,4,6-tBU3C6H2, HX = trifluoromethanesulfonic acid).

Original languageEnglish
Pages (from-to)1405-1408
Number of pages4
JournalAngewandte Chemie - International Edition
Issue number9
Publication statusPublished - Feb 18 2005


  • Ab initio calculations
  • Carbenium ions
  • Carbocations
  • Diradicals
  • Phosphorus heterocycles

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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