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Molecular recognition. II—Discrimination of specific and non‐specific intermolecular interactions by means of magnetic resonance spectroscopy

The interactions of adenine‐ and benzimidazole‐type substrates with a model receptor (Rebek's cleft) and benzoic acid were studied by magnetic resonance spectroscopy. The spectra reveal dynamic phenomena which are analysed in terms of static, two‐jump and two‐site models. The interpretation provides information on the inter‐ and intramolecular structures and allows specific interactions to be distinguished from non‐specific interactions. ©1998 John Wiley & Sons, Ltd.