Two Schiff Base Compounds Derived from 5-Aminoisophthalic Acid: Chemsensors Properties for Sensing of Metal Ions and Nitroaromatic Compounds

Hacettepe Journal of Biology and Chemistry Pub Date : 2022-03-21 DOI:10.15671/hjbc.1078505

A. Köse, M. Tumer

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引用次数: 1

Abstract

In this work, two Schiff base ligands Z2a and Z2b derived from 5-aminoisophthalic acid were synthesized and their structures were characterized by FTIR, 1H(13C) NMR and mass spectrometries. The compounds were investigated for their chemosensor properties towards metal ions [Na+, K+, Al3+, Cr3+, Mn2+, Fe3+, Co2+, Ni2+, Cu2+, Zn2+, Cd2+, Hg2+ and Pb2+] were examined using colorimetric and spectrophotometric methods (UV-Vis absorption and florescence spectroscopy). Both compounds showed similar sensing properties towards metal ions and they have shown selective sensory properties for Fe+3 and Hg+2 ions. Moreover, the compounds were examined for their fluorimetric sensing abilities for nitroaromatic compounds [4-nitrofenol (NP), nitrobenzene (NB), 2,4-dinitrofenol (DNP), 1,3,5-trinitrophenol (TNP)]. Both compounds showed higher sensitivities for DNP and TNP than NP and NB. Compound Z2b showed the highest sensitivity for DNP with Ksv value of 2.4×104 M-1. Limit of detections for nitroaromatic compounds were calculated and both compounds showed LOD values in micromolar levels. Compound Z2b has shown the lowest LOD value for DNP with 2.77 M.

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两种由5-氨基间苯二甲酸衍生的希夫碱化合物:金属离子和硝基芳香族化合物的化学传感器特性

本文合成了由5-氨基间苯二甲酸衍生的两个希夫碱配体Z2a和Z2b，并通过FTIR、1H(13C) NMR和质谱对其结构进行了表征。采用比色法和分光光度法(紫外-可见吸收和荧光光谱)研究了化合物对金属离子[Na+、K+、Al3+、Cr3+、Mn2+、Fe3+、Co2+、Ni2+、Cu2+、Zn2+、Cd2+、Hg2+和Pb2+]的化学传感器性能。两种化合物对金属离子具有相似的感应特性，并对Fe+3和Hg+2离子具有选择性感应特性。此外，研究了这些化合物对硝基芳香化合物[4-硝基酚(NP)、硝基苯(NB)、2,4-二硝基酚(DNP)、1,3,5-三硝基酚(TNP)]的荧光感应能力。两种化合物对DNP和TNP的敏感性均高于NP和NB。化合物Z2b对DNP的敏感性最高，Ksv值为2.4×104 M-1。计算了硝基芳香族化合物的检出限，两种化合物的检出限均在微摩尔水平。化合物Z2b对DNP的LOD值最低，为2.77M。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Hacettepe Journal of Biology and Chemistry

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