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Keywords:

  • anions;
  • cage compounds;
  • hydrogen bonds;
  • self-assembly;
  • supramolecular chemistry

Abstract

Thumbnail image of graphical abstract

Custom built: A promising new approach towards more efficient self-assembled cage receptors through computer-aided design is demonstrated. The resulting M4L6 tetrahedral cage, internally functionalized with accurately positioned urea hydrogen-bonding groups (see structure; yellow: predicted, blue: experimental, space-filling: SO42−), proved to be a remarkably strong sulfate receptor in water.