Indeno[2,1-a]fluorene: An air-stable ortho-quinodimethane derivative

Akihiro Shimizu, Yoshito Tobe*

*Corresponding author for this work

Research output: Contribution to journalArticle

158 Scopus citations

Abstract

A new isomer: 11,12-Dimesitylindeno[2,1-a]fluorene was synthesized and isolated in crystal form. The indenofluorene exhibits significant bond-length alternation in the o-quinodimethane structure, limited singlet biradical character, and weakly antiaromatic character. Optical and electrochemical properties suggest that indeno[2,1-a]fluorene derivatives may be candidates for optoelectronic materials.

Original languageEnglish
Pages (from-to)6906-6910
Number of pages5
JournalAngewandte Chemie - International Edition
Volume50
Issue number30
DOIs
StatePublished - 18 Jul 2011

Keywords

  • acenes
  • antiaromaticity
  • polycycles
  • quinodimethanes
  • radicals

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