Synthesis and Molecular Recognition of Novel Multiimidazole Cyclophanes

[摘要]：Cyclophanes based on 2,2'-biimidazole and 2,2'-bibenzimidazole were synthesized as receptors. UV spectroscopic titration in chloroform at 25 degrees C showed 1:1 complexes between the cyclophanes and the guests, and the binding constants (K) and Gibbs free energy changes (-Delta G(0)) were calculated according to the modified Benesi-Hildebrand equation.

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