SYNTHESIS AND COMPLEXATION OF N-SUBSTITUTED BENZOAZACROWN ETHERS WITH ALKALI AND ALKALINE EARTH METAL CATIONS
Keywords:
alkali and alkaline earth metal cations, benzoazacrown ethers, crystal structure, host-guest complexes, spectrophotometric titration methodAbstract
An optimized procedure for the preparation of benzoaza-15-crown-5 is described, and a series of N-substituted derivatives with substituents of various natures have been synthesized. The crystal structure of N-phenylbenzoaza-15-crown-5 was determined by X-ray diffraction. The effect of substituent nature in benzoazacrown ether molecules on its complexation with alkali and alkaline earth metal cations was evaluated by spectrophotometric titration method.
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Published
2026-02-24
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Original Papers