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Keywords:

  • Michael addition;
  • molecular machines;
  • molecular switches;
  • organocatalysis;
  • rotaxanes
Thumbnail image of graphical abstract

Switch it on! The activity of an organocatalytic group incorporated within a rotaxane architecture can be controlled by switching the position of the macrocycle. The system was used to mediate the progress of the Michael addition of an aliphatic thiol to trans-cinnamaldehyde.