Enhanced Nucleophilic Reactivity of a 4-Lithiophenoxide Ion and Its Application to the Synthesis of a Bis(4-hydroxyphenyl)methylenecyclopentadiene and Its Dianion, a Novel Extended Trimethylenemethane Dianion

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  • Hiroyuki Kurata
    Department of Chemistry, Graduate School of Science, Osaka UniversityToyonaka, Osaka
  • Tomomi Tanaka
    Department of Chemistry, Graduate School of Science, Osaka UniversityToyonaka, Osaka
  • Toshihiro Sauchi
    Department of Chemistry, Graduate School of Science, Osaka UniversityToyonaka, Osaka
  • Takeshi Kawase
    Department of Chemistry, Graduate School of Science, Osaka UniversityToyonaka, Osaka
  • Masaji Oda
    Department of Chemistry, Graduate School of Science, Osaka UniversityToyonaka, Osaka

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Abstract

<jats:title>Abstract</jats:title> <jats:p>2,6-Di-tert-butyl-4-lithiophenoxide ion has enhanced nucleophilic reactivity probably due to intramolecular electronic repulsion and its reaction with 6,6-bis(dimethylamino)fulvene affords a novel extended trimethylenemethane dianion with a fulvene moiety whose NMR spectra indicate substantially strong tetrapolar properties.</jats:p>

Journal

  • Chemistry Letters

    Chemistry Letters 26 (9), 947-948, 1997-09-01

    Oxford University Press (OUP)

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