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Updated: Jun 21, 2026

Preparation of Stable Bicyclic Aziridinium Ions and Their Ring-Opening for the Synthesis of Azaheterocycles
Published on: August 22, 2018
Experimental evidence for interactions between anions and electron-deficient aromatic rings
Orion B Berryman1, Darren W Johnson
1Department of Chemistry and Materials Science Institute, University of Oregon, Eugene, OR 97403-1253, USA.
Researchers explored electron-deficient aromatic rings for anion binding, revealing diverse solution interactions. This study highlights novel receptor designs enhancing halide recognition through combined hydrogen bonding and anion-arene interactions.
Area of Science:
- Supramolecular Chemistry
- Organic Chemistry
Background:
- Anion-arene interactions are crucial in supramolecular chemistry.
- Research in this field has significantly expanded since 2005.
- Early observations and computational studies provide historical context.
Purpose of the Study:
- To summarize research on using electron-deficient aromatic rings for anion binding.
- To explore diverse anion-arene interactions in solution.
- To introduce novel receptor designs for anion recognition.
Main Methods:
- Literature review of historical and computational studies.
- Crystallographic analysis of anion-arene interactions.
- Solution-based studies of designed receptors.
Main Results:
- Tandem hydrogen bonds and anion-arene interactions enhance halide binding.
- Multiple types of anion-arene interactions identified through crystallography and computation.
- Designed receptors demonstrate varied anion-arene interactions in solution.
Conclusions:
- Electron-deficient aromatic rings are effective platforms for anion binding.
- Understanding diverse interaction modes is key to designing selective anion receptors.
- Novel receptor designs offer new avenues for anion recognition in solution.
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