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Keywords:

  • circular dichroism;
  • gels;
  • pseudoenantiomers;
  • sol–gel processes
Thumbnail image of graphical abstract

Long and winding gel: Mixtures of (M)- and (P)-ethynylhelicene oligomers (see structure) differing in the numbers of helicene units formed organogels in toluene, which exhibited better thermoreversibility in the sol–gel process than those formed from enantiomers. Various two-component gels were obtained by changing the combination of the component pseudoenantiomeric oligomers, provided that they were larger than a trimer.