Abstract
Abstract Electroneutral phosphoryl-containing pendant polyaza- macrocycles LI -LIV, proved to be efficient complexing agents for alkali and transition metal ions The ligands involve different coordination sites: the “hard” base, oxygen atoms, and less “hard” nitrogen atoms in aminogroups. The stability constants (K) of [ML]+ complexes (M is “hard” acid Li, Na, K, Cs ions) were detected in the THF. The discrimination coefficients, which characterize the selectivity of ligands, were calculated. The value of K was found to depend on the macrocycle cavity size and the pendant chain length.
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