Calix[4]arene-thiacrown-5 di(carboxylic acid) regioisomers as metal ion extractants

被引：0
|
作者：
Yanfei Yang
Xiaodan Cao
Kazimierz Surowiec
Richard A. Bartsch
机构：
[1] Texas Tech University,Department of Chemistry and Biochemistry
来源：
Journal of Inclusion Phenomena and Macrocyclic Chemistry | 2010年 / 66卷
关键词：
Calixarenes; Crown compounds; Ionic recognition; Metal ion extraction;
D O I：
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中图分类号：
学科分类号：
摘要：
A regioisomer of a previously reported p-tert-butylcalix[4]arene-1,3-thiacrown-5 di(carboxylic acid) is prepared in which the thiacrown ring attachment sites are moved from distal phenolic oxygens of a cone p-tert-butylcalix[4]arene scaffold to proximal phenolic oxygens. The influence of this structural variation in the di-ionizable calixcrown ligand on competitive solvent extractions of alkali metal cations and of alkaline earth metal cations and single species solvent extractions of Hg2+ and Pb2+ from aqueous solutions into chloroform is evaluated.
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页码：163 / 169
页数：6
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