Novel water-soluble fluorescent probe for rapidly detecting SO2 derivatives

被引：0
|
作者：
Hui Wang
Le Zhou
Fengze Cai
Yongling Xu
Di Li
Dexiang Feng
Yan Wei
Zhijun Feng
Xiaoxia Gu
Yunjun Wu
机构：
[1] Wannan Medical College,Department of Chemistry, Anhui Provincial Engineering Research Center for Polysaccharide Drugs
来源：
Chemical Papers | 2019年 / 73卷
关键词：
Benzothiazole; Fluorescent probe; SO; derivative;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, two novel benzothiazole derivatives EtSN and OAcSN with a D–π–A configuration were developed as fluorescent probes for the detection of HSO3−. Compared with OAcSN, probe EtSN, bearing ester group, displayed a lower detection limit and faster response time. Upon treatment with HSO3−, EtSN and OAcSN displayed noticeable color change from yellow (EtSN)/red (OAcSN) to coreless, respectively. Competitive experiments indicated that EtSN and OAcSN had higher fluorescence selectivity towards HSO3− than other analytes. The sensing mechanism was further illustrated by 1H NMR and TD-DFT.
引用
收藏
页码：2737 / 2743
页数：6
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