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Keywords:

  • catenanes;
  • halogen bonding;
  • supramolecular chemistry;
  • template synthesis
Thumbnail image of graphical abstract

Getting connected: The formation of pseudorotaxane assemblies between a designed macrocyclic halogen bonding (XB) acceptor (red in scheme) and a series of XB donor threading components was templated by a single halogen bond. The strength of the XB assembly between the pyridine macrocycle and iodopyridinium thread was utilized in the ring-closing metathesis clipping synthesis of a [2]catenane.