Nonlinear optical properties as a guide to aromaticity in congeneric pentapyrrolic expanded porphyrins: Pentaphyrin, sapphyrin, isosmaragdyrin, and orangarin

Seok Yoon Zin, Dong Gyu Cho, Suk Kim Kil, Jonathan L. Sessler, Dongho Kim

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On the basis of two-photon absorption and time-resolved spectroscopic measurements, as supported by theoretical calculations of quantitative aromaticity, a relationship between the nonlinear optical properties and aromaticity index has been established for a series of four fully conjugated pentapyrrolic expanded porphyrins, namely pentaphyrin (, sapphyrin (, isosmaragdyrin (, and orangarin (, all of which proved amenable to study in dichloromethane.

Original languageEnglish
Pages (from-to)6930-6931
Number of pages2
JournalJournal of the American Chemical Society
Issue number22
Publication statusPublished - 2008 Jun 4


All Science Journal Classification (ASJC) codes

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

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