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.
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页码：2737 / 2743
页数：6
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