A coumarin based chemodosimetric probe for ratiometric detection of hydrazine

被引：90

作者：

Goswami, Shyamaprosad ^{[1
]}

Das, Sangita ^{[1
]}

Aich, Krishnendu ^{[1
]}

Sarkar, Deblina ^{[2
]}

Mondal, Tapan Kumar ^{[2
]}

机构：

[1] Bengal Engn & Sci Univ, Sibpur 7111103, Howrah, India

[2] Jadavpur Univ, Kolkata 700032, India

来源：

TETRAHEDRON LETTERS | 2014年 / 55卷 / 16期

关键词：

Sensor; Chemodosimeter; Ratiometric; Colorimetric & fluorimetric; Hydrazine; INFRARED FLUORESCENT-PROBE;

D O I：

10.1016/j.tetlet.2014.03.041

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A coumarin-based sensor containing trifluoroacetyl acetonate moiety was designed, synthesized, and applied for hydrazine detection. Hydrazinolysis of the chemodosimeter results in a prominent chromogenic and fluorescence ratiometric response toward hydrazine within 3 min. The probe is highly selective toward hydrazine over other important amines and other biologically and environmentally abundant analytes. The limit of detection (LOD) of the probe is in 10(-6) M range. The sensing mechanism was supported by NMR and HRMS analysis. The experimentally observed change in structure and electronic properties of the sensor after reaction with hydrazine was modeled by Density Functional Theory (DFT) and Time Dependent Density Functional Theory (TDDFT) computational calculations, respectively. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：2695 / 2699

页数：5

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