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Keywords:

  • catenanes;
  • donor–acceptor systems;
  • fullerenes;
  • rotaxanes;
  • supramolecular chemistry
Thumbnail image of graphical abstract

Crowning glory: An unprecedented [2]catenane that exhibits a donor–acceptor–donor–acceptor stacking motif was obtained through intramolecular Bingel reactions of [60]fullerene monoadducts that bear a naphthalenetetracarboxylic diimide moiety, in the presence of 1,5-dinaphtho[38]crown-10 ether at −78 °C (see scheme; DBU=1,8-diazabicyclo[5.4.0]undec-7-ene).