Peripheral fabrications of a bis-gold(III) complex of [26]hexaphyrin(1.1.1. 1.1.1) and aromatic versus antiaromatic effect on two-photon absorption cross section

Shigeki Mori, Suk Kim Kil, Seok Yoon Zin, Bum Noh Su, Dongho Kim, Atsuhiro Osuka

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99 Citations (Scopus)

Abstract

Peripheral modifications of bis-gold(III) [26]hexaphyrin(1.1.1.1.1.1) have been explored via perbromination and subsequent Pd-catalyzed cross-coupling reactions. β-Phenylethynylated [26]hexaphyrin complex shows the large two-photon absorption (TPA) value due to its extended π-conjugation. Aromatic-to-antiaromatic switches through two-electron reduction from [26]hexaphyrins to [28]hexaphyrins cause a sharp drop in TPA value, which has emerged as a new quantitative measure of aromaticity versus antiaromaticity.

Original languageEnglish
Pages (from-to)11344-11345
Number of pages2
JournalJournal of the American Chemical Society
Volume129
Issue number37
DOIs
Publication statusPublished - 2007 Sep 19

All Science Journal Classification (ASJC) codes

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

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