Cyclopentenones from a novel [4+1]cocyclization of methylenecyclopropanes with Fischer carbenechromium complexes

Takuya Kurahashi, Yao-Ting Wu, Kathrin Meindl, Stephan Rühl, Armin De Meijere

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

Fischer carbenechromium complexes react with methylenecyclopropanes and bicyclopropylidene in an unprecedented manner. All four carbon atoms of the methylenecyclopropane moiety along with carbon monoxide are incorporated with the formation of three new C-C σ-bonds to give substituted cyclopentenone derivatives in moderate (33-58% for methylenecyclopropanes) to good yields (65-72% for bicyclopropylidene).

Original languageEnglish
Pages (from-to)805-808
Number of pages4
JournalSynlett
Issue number5
DOIs
Publication statusPublished - 2005 Mar 21

All Science Journal Classification (ASJC) codes

  • Organic Chemistry

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