Tetraazaoctaphyrin - A biimidazole-containing expanded porphyrin

Jonathan L. Sessler, Bobbi L. Rubin, Marcin Stepien, Thomas Koehler, G. Dan Pantos, Vladimir Roznyatovskiy

Research output: Contribution to journalArticlepeer-review

4 Citations (SciVal)


A series of expanded porphyrins, incorporating biimidazoles and bipyrroles within their macrocyclic framework, has been synthesized. Insights into the complex conformational characteristics of these systems were obtained from two-dimensional NMR spectroscopic studies. The relative energy values for the various asymmetric structures inferred from these analyses were compared using DFT molecular modeling calculations.
Original languageEnglish
Pages (from-to)1218-1225
Number of pages8
JournalCanadian Journal of Chemistry
Issue number10
Publication statusPublished - 1 Oct 2006


  • macrocycles
  • expanded porphyrins
  • imidazoles
  • pyrroles
  • biimidazoles
  • supramolecular chemistry
  • heterocycles


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