A simple organocobalt mediated synthesis of substituted 3-oxabicyclo[3.3.0]oct-6-en-7-ones

David C. Billington, Debra Willison

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)


A range of substituted propargyl alcohols form ethers with allyl bromide in good yields; conversion of these ethers to the alkyne hexacarbonyl dicobalt complexes using Co2(CO)8, followed by intramolecular cyclisation gives substituted 3-oxabicyclo[3.3.0]oct-6-en-7-ones (4a–4e) in fair to moderate yields.
Original languageEnglish
Pages (from-to)4041-4044
Number of pages4
JournalTetrahedron Letters
Issue number36
Publication statusPublished - 1984


  • organocobalt
  • propargyl alcohols
  • intramolecular cyclisation


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