Design and Synthesis of a Pyridine Based Chemosensor: Highly Selective Fluorescent Probe For Pb2+

被引：0
|
作者：
Kundan C. Tayade
Anil S. Kuwar
Umesh A. Fegade
Hemant Sharma
Narinder Singh
Umesh D. Patil
Sanjay B. Attarde
机构：
[1] North Maharashtra University,School of Chemical Sciences
[2] North Maharashtra University,School of Environmental and Earth Sciences
[3] Indian Institute of Technology,Department of Chemistry
来源：
Journal of Fluorescence | 2014年 / 24卷
关键词：
Chemosensor; Fluorescent probe; Imine-linked; Association constant; DFT;
D O I：
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学科分类号：
摘要：
A pyridine based imine-linked chemosensor has been synthesized and evaluated its binding affinity with library of transition metal ions. It has prominent selectivity towards Pb2+ among other metal ions in DMF/H2O (9:1, v/v) solvent system. The 1:1 stoichiometric was confirmed by job’s plot and has a binding constant (Ka) = 5.142 × 103 M−1 on fluorescence. A B3LYP/6-31G and B3LYP/LanL2DZ basis sets were employed for optimization of 3 and 3.Pb2+.
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页码：19 / 26
页数：7
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