Fluorescence chemosensor for acetate ion and fluorine ion based on 1,2,4-triazolyl substituted pentaphenylpyridinium

被引：5

作者：

Wang, Guangyao ^{[1
,2
]}

Zheng, Ting ^{[1
,2
]}

Zhang, Siqi ^{[1
,2
]}

Ye, Junwei ^{[1
,2
]}

Ning, Guiling ^{[1
,2
]}

机构：

[1] Dalian Univ Technol, State Key Lab Fine Chem, 2 Linggong Rd, Dalian 116012, Peoples R China

[2] Dalian Univ Technol, Sch Chem Engn, 2 Linggong Rd, Dalian 116012, Peoples R China

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2021年 / 1230卷

基金：

中国国家自然科学基金;

关键词：

Fluorescence sensor; Triazole-based pyridinium salt; Acetate ion and fluorine ion recognition; Hydrogen bond; AGGREGATION-INDUCED EMISSION; ANION-BINDING; RECEPTORS; PYRIDINIUM; TRIAZOLE; LOMEFLOXACIN; RECOGNITION; MECHANISMS; AFFINITY; BEHAVIOR;

D O I：

10.1016/j.molstruc.2021.129918

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel pyridinium salt derivative, 2,3,4,5,6-pentaphenyl-1-(1H-1,2,4-triazol-3-yl)pyridinium perchlorate (1) has been designed and synthesized by using pyrylium perchlorate and 3-amino-1H-1,2,4-triazole as ingredients, which can be exploited for the binding and specific sensing of anion via hydrogen bonds. Compound 1 exhibits intense blue emission in solution with maximum emission at 469 nm with a red shift relative to that (426 nm) of solid state. The luminescence intensity of 1 could be selectively and sensitivity quenched with acetate ion and fluorine ion among various anions including F-, Cl-, Br-, I-, AcO- and NO3-. Furthermore, the possible detection mechanism was investigated. This work could contribute a credible potential sensing application of 1,2,4-triazolyl substituted pentaphenylpyridinium salts towards the specific anions in biological and environmental concerns. (C) 2021 Elsevier B.V. All rights reserved.

引用

页数：7

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