Diffusion NMR spectroscopy in supramolecular and combinatorial chemistry: An old parameter - New insights

Yoram Cohen*, Liat Avram, Limor Frish

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

Intermolecular interactions in solution play an important role in molecular recognition, which lies at the heart of supramolecular and combinatorial chemistry. Diffusion NMR spectroscopy gives information over such interactions and has become the method of choice for simultaneously measuring diffusion coefficients of multicomponent systems. The diffusion coefficient reflects the effective size and shape of a molecular species. Applications of this technique include the estimation of association constants and mapping the intermolecular interactions in multicomponent systems as well as investigating aggregation, ion pairing, encapsulation, and the size and structure of labile systems. Diffusion NMR spectroscopy can also be used to virtually separate mixtures and screen for specific ligands of different receptors, and may assist in finding lead compounds.

Original languageEnglish
Pages (from-to)520-554
Number of pages35
JournalAngewandte Chemie - International Edition
Volume44
Issue number4
DOIs
StatePublished - 14 Jan 2005

Keywords

  • Combinatorial chemistry
  • Host-guest chemistry
  • Molecular recognition
  • NMR spectroscopy
  • Supramolecular chemistry

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