Direct syntheses of pentakis(trifluoromethyl)cyclopentadienide salts and related systems

Richard D. Chambers, Alex J. Roche, Julian F.S. Vaughan

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The well-established synthesis of heptafluorobut-2-ene 2 from hexachlorobutadiene 1 and potassium fluoride has been further investigated, and novel dienes 3 and a triene 4 have been observed. Remarkably, the potassium salt of pentakis(trifluoromethyl)cyclopentadienide 7 has been isolated from this system. Salt 7 has also been obtained directly from 2. Cyclopentadiene 6 has been isolated from salt 7 by distillation from sulphuric acid. Bi- and tri-cyclic analogues of 7 have also been obtained, i.e., 9 and 10, by reaction of 2 with perfluorocyclopentene.

Original languageEnglish (US)
Pages (from-to)1925-1929
Number of pages5
JournalCanadian Journal of Chemistry
Volume74
Issue number11
DOIs
StatePublished - Jan 1 1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Organic Chemistry

Keywords

  • 5H-pentakis(trifluoromethyl)cyclopentadiene
  • Heptafluorobut-2-ene
  • Pentakis(trifluoromethyl)cyclopentadienide

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