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Keywords:

  • azaborines;
  • boron;
  • fluorescence;
  • phenanthrenes;
  • photoelimination
Thumbnail image of graphical abstract

Highly fluorescent π-conjugated polycyclic azaborines can be prepared from B,N-heterocyclic compounds with a BR2-CH2 unit through the elimination of an R-H molecule (see scheme). These clean photoelimination reactions occur both in solution and in polymers doped with the precursors.