Synthesis, complex-formation, and extracting ability of new derivatives of dithia-13(16)-crown-4(5) ethersстатья
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Дата последнего поиска статьи во внешних источниках: 28 мая 2015 г.
Аннотация:Various methods of synthesizing functional derivatives of dithia-13(16)-crown-4(5) ethers are proposed. Complex-formation of the obtained compounds with Ag+ and Pb2+ ions has been studied using 1H NMR. A radiometric method was used to investigate the extracting ability of substituted dithia-13(16)-crown-4(5) ethers in relation to Ag+ and Cd2+ ions from aqueous solution in the presence of anions of various degree of hardness, with determination of the metal content.