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Keywords:

  • cross-coupling;
  • fluorescence;
  • host–guest chemistry;
  • nanorings;
  • porphyrinoids
Thumbnail image of graphical abstract

Nice necklaces and not just large rings appear to be formed in the reactions described by A. Osuka et al. on page 3009 ff., which enable the efficient synthesis of medium- to large-sized porphyrin nanorings.