Coumarin Based Highly Selective "off-on-off" Type Novel Fluorescent Sensor for Cu2+ and S2- in Aqueous Solution

被引：40

作者：

Karuk Elmas, Aukriye Nihan ^{[1
]}

Ozen, Furkan ^{[2
]}

Koran, Kenan ^{[2
]}

Yilmaz, Ibrahim ^{[1
]}

Gorgulu, Ahmet Orhan ^{[2
]}

Erdemir, Serkan ^{[3
]}

机构：

[1] Karamanoglu Mehmetbey Univ, Kamil Ozdag Sci Fac, TR-70100 Karaman, Turkey

[2] Firat Univ, Fac Sci, TR-23119 Elazig, Turkey

[3] Selcuk Univ, Fac Sci, TR-42075 Konya, Turkey

来源：

JOURNAL OF FLUORESCENCE | 2017年 / 27卷 / 02期

关键词：

Coumarin; Fluorescent; Sensor; Copper; Sulfide; ELECTROCHEMICAL SENSOR; SULFIDE ANION; LIVING CELLS; COPPER-ION; CHEMOSENSOR; CHEMODOSIMETER; CONJUGATE; MOIETIES; MEDIA; PROBE;

D O I：

10.1007/s10895-016-1972-3

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Solvent free synthesis of 6,7-dihydroxy-3-(3-chlorophenyl) coumarin (CFHC) was designed and obtained by the interaction of 2-(2,4,5-trimethoxyphenyl)-1-(3-chlorophenyl)acrylonitrile with pyridinium hydrochloride in the presence of silica gel by using microwave irradiation. The characterization of CFHC was confirmed by FT-IR, H-1, C-13, C-13-APT and 2D HETCOR spectroscopy methods. The optical behavior of CFHC towards metal ions was investigated by UV-visible and fluorescence spectroscopy. CFHC showed "on-off" type fluorescence response towards Cu2+ with high selectivity in aqueous solution (CH3CN/H2O, 9/1, v/v). Once binding with Cu2+, CFHC-Cu2+ complex also displayed high selectivity for sulfide, resulting in "off-on" type sensing of sulfide anion.

引用

页码：463 / 471

页数：9

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