A Fluorescent Chemosensor Based on Coumarin for Squential Recognition of Al3+ and Pyrophosphate (PPi) in Aqueous Solution

被引：1
|
作者：
Meng, Xianjiao [1 ]
Zhao, Jinzhong [1 ]
Zhang, Yongpo [1 ]
Li, Zhichun [2 ]
Yuan, Changchun [2 ]
Ma, Wenbing [2 ]
机构：
[1] Shanxi Agr Univ, Basic Sci Depart, Jinzhong 030801, Shanxi, Peoples R China
[2] North Univ China, Sch Chem Engn & Technol, Taiyuan 030051, Peoples R China
来源：
CHINESE JOURNAL OF ORGANIC CHEMISTRY | 2021年 / 41卷 / 03期
关键词：
coumarin; fluorescent chemosensor; Al3+; PPi; sequential recognition; SELECTIVE CHEMOSENSOR; ALUMINUM; PROBE; CU2+; IMPROVE; SENSOR; IONS; FERTILIZERS; RELEASE; CELLS;
D O I：
10.6023/cjoc202010007
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A novel fluorescent chemosensor (E)-N'-(3-((bis(pyridin-2-ylmethyl)amino)methyl)-2-hydroxy-5-methylbenzyl-idene)-7-(diethylamino)-2-oxo-2H-chromene-3-carbohydrazide (1) has been synthesized and showed an obviously "off-on-off" fluorescence response toward Al3+ and pyrophosphate (PPi) in aqueous solution. The detection limits of sensor 1 were 0.26 mu mol/L to Al3+ and 0.1 mu mol/L to PPi, and the binding stoichiometry was 1 : 1. In addition, the binding mechanism was further confirmed by fluorescence titration, nuclear magnetic titration and ESI-MS. The effective determination pH range for Al3+ and PPi was from 2 to 10, and the cycle response test could reach 4 times.
引用
收藏
页码：1161 / 1167
页数：7
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