Syntheses and metal-ion binding properties of calix[4]arene derivatives containing soft donor atoms:: Highly selective extraction reagents for Ag+

被引:22
作者
Xie, J [1 ]
Zheng, QY [1 ]
Zheng, YS [1 ]
Chen, CF [1 ]
Huang, ZT [1 ]
机构
[1] Chinese Acad Sci, Inst Chem, Ctr Mol Sci, LMRSS, Beijing 100080, Peoples R China
关键词
calix[4]arenes; calix[4](thia)crowns; metal-ion extraction;
D O I
10.1023/A:1011196722928
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A series of calix[4]arene derivatives containing N or S atoms at the lower rim were synthesized by etherification of OH groups and their metal-ion extraction abilities were studied. The extraction selectivity for Ag+ over other ions with these novel receptors was outstanding. Among these ligands, calix[4]arene podand, which possessed two linear ligands, has shown better binding ability with Ag+ than calix[4]crowns.
引用
收藏
页码:125 / 130
页数:6
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