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Synthesis of 5,5'-Diarylimino Quinoidal 2,2'-Bithiazoles.

Maria KoyioniPanayiotis A Koutentis
Published in: Organic letters (2016)
A Pd(0)-catalyzed double C-N coupling of 5,5'-dibromo-2,2'-bithiazoles with (het)arylamines and subsequent in situ Ag2O-mediated oxidation provides access to cross-conjugated quinoidal 5,5'-diarylimino-2,2'-bithiazoles in moderate to high yield. The highly colored quinoidal 2,2'-bithiazoles were studied by UV/vis spectroscopy, cyclic voltammetry and computational methods.
Keyphrases
  • room temperature
  • high resolution
  • photodynamic therapy
  • quantum dots
  • single molecule
  • hydrogen peroxide
  • visible light
  • aqueous solution