Hyperconjugative π-aromaticity: How to make cyclopentadiene aromatic

László Nyulászi, Paul Von Ragué Schleyer

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134 Citations (Scopus)


Cyclopentadienes, when 5,5-disubstituted with electropositive groups, have considerably enhanced cyclic conjugation in comparison with the parent molecule, C5H6. According to various aromaticity indices, 5,5- distannylcyclopentadiene is nearly as aromatic as furan. Previous observations on the reactivity were interpreted in the light of the observed aromatic stabilization.

Original languageEnglish
Pages (from-to)6872-6875
Number of pages4
JournalJournal of the American Chemical Society
Issue number29
Publication statusPublished - Jul 28 1999


ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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