Chromoionophoric N2S2 macrocycles exhibiting mercury(II) selectivity

被引：14
|
作者：
Lee, Hwan Gyu
Lee, Ji-Eun
Choi, Kyu Seong [1 ]
机构：
[1] Gyeongsang Natl Univ, Dept Chem, Jinju 660701, South Korea
[2] Kyungnam Univ, Kyungnam Inst Gifted Educ Sci, Masan 631701, South Korea
[3] Jinju Nam Middle Sch, Jinju 660987, South Korea
[4] Kyungnam Univ, Dept Chem, Masan 631701, South Korea
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2006年 / 9卷 / 06期
关键词：
N2S2-donor macrocycle; chromoionophore; Hg2+-selective; spectrophotometry;
D O I：
10.1016/j.inoche.2006.03.005
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two chromogenic N2S2-donor macrocycles functionalized with p-nitroazobenzene (L-1) and phenyltricyanovinyl (L-2) units were synthesized from an N-phenylated macrocyclic precursor (1) and structurally characterized by single crystal X-ray analyses. Interestingly, L-1 and L-2 exhibited excellent Hg2+ selectivity by showing the drastic metal-induced color change. from red to colorless (Delta lambda(max) = 137 - 140 nm). The sensing ability for Hg2+ with the proposed chromoionophores is due to the stable complexation with 1:1 stoichiometry (metal-to-ligand), which was,elucidated by spectrophotometry. (C) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：582 / 585
页数：4
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