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Keywords:

  • hydrocarbons;
  • photochemistry;
  • polycycles;
  • quinodimethanes;
  • radicals
Thumbnail image of graphical abstract

Smaller can be better: The first example of meta-quinodimethane embedded in an indenofluorene framework has been synthesized. 10,12-Dimesitylindeno[2,1-b]fluorene exhibits extremely low-energy light absorption, despite the small conjugation space of the molecule, which consists of only 20 π electrons.