Synthesis and characterization of carbazole-based expanded thiaporphyrins

Motoki Masuda, Chihiro Maeda

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)


Carbazole-based porphyrins: Oligothiophene-bridged carbazole dimers and trimers were synthesized as new expanded thiaporphyrins through a sequential coupling and annulation strategy. The structures and electronic properties of these new macrocycles were investigated by spectroscopic methods and DFT calculations and they have been found to exhibit NIR absorption upon NOSbF 6 oxidation (see figure).

Original languageEnglish
Pages (from-to)2971-2975
Number of pages5
JournalChemistry - A European Journal
Issue number9
Publication statusPublished - Feb 25 2013
Externally publishedYes


  • NIR absorption
  • carbazoles
  • pi interactions
  • porphyrinoids
  • thiophenes

ASJC Scopus subject areas

  • Catalysis
  • Organic Chemistry


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