Novel blue emissive dimethylfuran tethered 2-aminopyridine-3-carbonitrile as dual responsive fluorescent chemosensor for Fe3+ and picric acid in nanomolar detection limit

被引：24

作者：

Shylaja, Adaikalam ^{[1
]}

Rubina, Stephen Raja ^{[1
]}

Roja, Somi Santharam ^{[1
]}

Kumar, Raju Ranjith ^{[1
]}

机构：

[1] Madurai Kamaraj Univ, Sch Chem, Dept Organ Chem, Madurai 625021, Tamil Nadu, India

来源：

DYES AND PIGMENTS | 2020年 / 174卷 / 174期

关键词：

Dimethylfuran; Pyridine-3-carbonitrile; Fluorescence; Chemosensor; Iron; Picric acid; Quenching; METAL-ORGANIC FRAMEWORK; SELECTIVE DETECTION; SENSITIVE DETECTION; ACUTE TOXICITY; PYRIDINE; SENSOR; FURAN; PROBE; CONJUGATE; FE(III);

D O I：

10.1016/j.dyepig.2019.108062

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The solvent-free microwave-assisted one-pot four-component reaction of 1-(2,5-dimethylfuran-3-yl)ethan-1-one, malononitrile, aryl aldehydes and ammonium acetate occurred through a five-step multiple bond-forming transformation (MBFT) to afford 2-amino-4-aryl-6-(2,5-dimethylfuran-3-yl)-pyridine-3-carbonitriles in excellent yields. One of these dimethylfuran tethered 2-aminopyridine-3-carbonitriles has been discovered as a fluorescent chemosensor for Fe3+ ions and picric acid, with a detection limits of 4.6 and 7.9 nM, respectively by 'turn off' mechanism.

引用

页数：8

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