Generation of Aromatic (Dehydro)benzoannulene Dications Stabilized by Platinum Catecholate Complexes

Kazukuni Tahara, Hiroyoshi Kozuma, Varadhachari Venkatesh, Eri Ryomura, Hirokazu Miyoshi, Keigo Nakamachi, Ryohei Kishi, Hideaki Takahashi, Masayoshi Nakano, Yoshito Tobe

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


A dehydrobenzo[12]annulene attached by three platinum catecholate units is oxidized chemically or electrochemically to generate mono-, di-, and trications. Similarly, a platinum catecholate complex with a dibenzo[8]annulene framework also generates mono- and dications upon oxidation. On the basis of theoretical and spectroscopic studies with respect to energetic, structural, and magnetic criteria, these dications are deduced to be aromatic, thus demonstrating a new method for stabilizing aromatic dications.

Original languageEnglish
Pages (from-to)1052-1056
Number of pages5
Issue number7
Publication statusPublished - 2017 Aug 1


  • aromaticity
  • dehydrobenzoannulene
  • dications
  • oxidation
  • platinum


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