BINDING-PROPERTIES OF P-(PHENYLAZO)CALIXARENES FOR METAL-IONS

被引:24
作者
NOMURA, E [1 ]
TANIGUCHI, H [1 ]
OTSUJI, Y [1 ]
机构
[1] UNIV OSAKA PREFECTURE, COLL ENGN, DEPT APPL CHEM, SAKAI, OSAKA 593, JAPAN
关键词
D O I
10.1246/bcsj.66.3797
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The binding properties of p-(phenylazo)calix[n]arenes (n=6 and n=4) for metal ions have been studied. The calixarenes show a highly selective binding ability toward Ag+, Hg+, and Hg2+. This property can be explained in terms of a metal ion-induced azo/hydrazone tautomerism. The Ag+ ion forms complexes with the azocalixarenes by binding with their hydrazone tautomers.
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收藏
页码:3797 / 3801
页数:5
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