期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 67, 期 10, 页码 3533-3536出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo0107148
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Substitution effect, absorption, and fluorescence behaviors of some benzoaza-15-crown-5 derivatives upon cation complexation in solvent extraction were studied. The introduction of a substituent on the nitrogen atom in benzoaza-15-crown-5 enhanced extractabilities in the solvent extraction of aqueous alkali metal picrates. The nondonating substituents raised the cation selectivity for Na+ over K+, but the donating substituents reduced the cation selectivity. The absorption and fluorescence spectral behavior was different with the alkali metal cations.
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