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Keywords:

  • photochemical reactions;
  • protecting groups;
  • self-assembly;
  • solid-state reactions;
  • supramolecular chemistry
Thumbnail image of graphical abstract

A supramolecular protecting group strategy has been applied to achieve solid-state photodimerizations of olefins lined with a combination of hydrogen-bond-donor and -acceptor groups. Esters were used as protecting groups to generate head-to-head photodimers that were readily converted into diacids. A protected olefin equipped with a stilbene unit exhibits enhanced reactivity that is ascribed to pedal motions in the solid state (orange hexagons: template: blur circles: recognition sites).