Synthesis and anion recognition studies of novel bis (4-hydroxycoumarin) methane azo dyes

被引：27

作者：

Panitsiri, Amorn ^{[1
]}

Tongkhan, Sukanya ^{[1
]}

Radchatawedchakoon, Widchaya ^{[1
]}

Sakee, Uthai ^{[1
]}

机构：

[1] Mahasarakham Univ, Fac Sci, Dept Chem, Ctr Excellence Innovat Chem PERCH CIC, Maha Sarakham 44150, Thailand

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2016年 / 1107卷

关键词：

Anion; Sensor; Azo; Coumarin; Synthesis; SENSOR; CHEMOSENSOR; DERIVATIVES;

D O I：

10.1016/j.molstruc.2015.11.013

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：

Four new bis (4-hydroxycoumarin) methane azo dyes were synthesized by the condensation of 4-hydroxycoumarin with four different azo salicylaldehydes and their structures were characteriZed by FT-IR, H-1 NMR, C-13 NMR, HRMS. Anion binding ability in dimethyl sulfoxide (DMSO) solutions with tetrabutylammonium (TBA) salts (F-, Cl-, Br-, I-, AcO- and H2PO4-) was investigated by the naked eye, as well as UV-visible spectroscopy. The sensor shows selective recognition towards fluoride and acetate. The binding affinity of the sensors with fluoride and acetate was calculated using UV-visible spectroscopic technique. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：14 / 18

页数：5

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