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Related Experiment Videos

Anion-directed assembly: the first fluoride-directed double helix.

Simon J Coles1, Jeremy G Frey, Philip A Gale

  • 1School of Chemistry, University of Southampton, Southampton SO17 1BJ, UK.

Chemical Communications (Cambridge, England)
|April 3, 2003
PubMed
Summary

Two nitroaromatic functionalised isophthalamides form anion complexes, revealing solid-state assembly. Receptor 2

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Area of Science:

  • Supramolecular Chemistry
  • Crystal Engineering
  • Organic Chemistry

Background:

  • Nitroaromatic functionalised isophthalamides are versatile building blocks in supramolecular chemistry.
  • Anion recognition and assembly are key areas in crystal engineering.

Purpose of the Study:

  • To report the crystal structures of anion complexes formed by two novel nitroaromatic functionalised isophthalamides.
  • To investigate the self-assembly behavior of these receptors around anions in the solid-state.

Main Methods:

  • Single-crystal X-ray diffraction analysis.
  • Synthesis of nitroaromatic functionalised isophthalamides.
  • Crystallization of anion complexes.

Main Results:

Related Experiment Videos

  • The crystal structures of two nitroaromatic functionalised isophthalamides and their anion complexes were determined.
  • Solid-state assembly of the receptors around various anions was observed.
  • A unique double helix structure was formed in the fluoride complex of receptor 2.

Conclusions:

  • Nitroaromatic functionalised isophthalamides effectively coordinate with anions, leading to predictable solid-state assemblies.
  • The observed double helix formation highlights the potential for designing complex supramolecular architectures.
  • These findings contribute to the understanding of anion recognition and host-guest chemistry in the solid state.