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安徽大学化学化工学院 绿色高分子材料安徽省重点实验室,安徽 合肥,230601
收稿日期:2013-05-09,
修回日期:2013-07-11,
纸质出版日期:2013-09-10
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黄强, 朱维菊, 杨莲莲, 李村, 宁殿华, 余洋. 新型4-氨基安替比林席夫碱的合成及对Cu<sup>2+</sup>的选择性识别[J]. 发光学报, 2013,34(9): 1144-1148
HUANG Qiang, ZHU Wei-ju, YANG Lian-lian, LI Cun, NING Dian-hua, YU Yang. Synthesis and Properties of A New 4-Aminoantipyrine Schiff-base for Selective Recognition of Cu<sup>2+</sup>[J]. Chinese Journal of Luminescence, 2013,34(9): 1144-1148
黄强, 朱维菊, 杨莲莲, 李村, 宁殿华, 余洋. 新型4-氨基安替比林席夫碱的合成及对Cu<sup>2+</sup>的选择性识别[J]. 发光学报, 2013,34(9): 1144-1148 DOI: 10.3788/fgxb20133409.1144.
HUANG Qiang, ZHU Wei-ju, YANG Lian-lian, LI Cun, NING Dian-hua, YU Yang. Synthesis and Properties of A New 4-Aminoantipyrine Schiff-base for Selective Recognition of Cu<sup>2+</sup>[J]. Chinese Journal of Luminescence, 2013,34(9): 1144-1148 DOI: 10.3788/fgxb20133409.1144.
设计合成了一种新型安替比林-席夫碱衍生物M(4-氨基安替比林缩5-硝基水杨醛席夫碱)
用IR、
1
H NMR及元素分析对其结构进行了表征。通过紫外光谱和荧光光谱研究了M对Cu
2+
的选择性识别作用。结果表明:M 与Cu
2+
能够以1:1的化学计量比形成配合物
结合常数为6.5 10
4
Lmol
-1
;M和Cu
2+
的结合导致M在 496 nm 处的荧光猝灭
紫外可见吸收光谱红移
且M 对Cu
2+
有较高的选择性
受常见离子的干扰较小。
A new 4-aminoantipyrine-based Schiff-base (M) was synthesized. Its structure was characterized by using IR
1
H NMR and elemental analysis. The influences of a number of different metal ions on its UV-Vis absorption and fluorescence spectral were studied in acetonitrile. Spectroscopic studies revealed that compound M could detect Cu
2+
by UV-Vis absorption and fluorescence spectrophotometry. The stoichiometry ratio of M-Cu
2+
was 1:1
respectively. Moreover
the detection limit was calculated to be 1.41 mol/L for Cu
2+
ion. The analysis suggested that M could beh ave as a fluorescent sensor for the selective detection of Cu
2+
and the binding constant was 6.510
4
L/mol. Thus a new kind of chemosensor for Cu
2+
with high sensitivity and selectivity was introduced.
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