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

被引：35
|
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
收藏
页码：463 / 471
页数：9
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