Synthesis and metal ion binding properties of thiaaza crown macrocycles

被引：19

作者：

Alp, Hakan ^{[2
]}

Gok, Halil Zeki ^{[1
]}

Kantekin, Halit ^{[1
]}

Ocak, Uemmuehan ^{[1
]}

机构：

[1] Karadeniz Tech Univ, Fac Arts & Sci, Dept Chem, TR-61080 Trabzon, Turkey

[2] Giresun Univ, Fac Arts & Sci, Dept Chem, TR-28049 Giresun, Turkey

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2008年 / 159卷 / 2-3期

关键词：

Crown ether; Extraction constant; Solvent extraction; Macrocycle;

D O I：

10.1016/j.jhazmat.2008.02.093

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Two new macrocyclic ligands (3) and (4), containing nitrogen-sulfur donor atoms, were designed and synthesized in a multi-step reaction sequence. The macrocycles (3) and (4)were used in solvent extraction of metal picrates such as Ag(+), Hg(2+), Cd(2+), Zn(2+), Cu(2+), Ni(2+), Mn(2+), Co(2+), and Pb(2+) from aqueous phase to the organic phase. The metal picrate extractions were investigated at 25 +/- 0.1 degrees C by using UV-visible spectrometry. The extractability and selectivity of the mentioned metal picrates were evaluated according to the organic solvents. The values of the extraction constants (log K(ex)) and the complex compositions were determined for the extracted complexes. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：519 / 522

页数：4

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