Abstract
13C NMR spectroscopy was used to study thecomplexation reaction between sodium ion and12-crown-4, 15-crown-5, methylurazolyl-12-crown-4 andmethylurazolyl-15-crown-5 in CD3OD solutions. Thetype of complexes, the stability constants and therelative chemical shifts have been established byfitting experimental titration curves with theoreticalfunctions of the observed chemical shifts. Thesingle-crystal X-ray diffraction measurements for anew crystalline complex confirmed the stoichiometry ofthe complex.
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Schedule a callMore From: Journal of Inclusion Phenomena and Macrocyclic Chemistry
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