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Synthesis of Push-Pull Phenazines Possessing pH-Responsive Absorption Spectra and their Application in Selective Detection of Fe3+ Ions and Aromatics
Synlett ( IF 1.7 ) Pub Date : 2018-02-27 , DOI: 10.1055/s-0036-1591766 Subhadeep Banerjee 1 , Apeksha Phadte 1 , Anjan Chattopadhyay 1 , P. Bhavana 1 , Keisham Singh 2
Synlett ( IF 1.7 ) Pub Date : 2018-02-27 , DOI: 10.1055/s-0036-1591766 Subhadeep Banerjee 1 , Apeksha Phadte 1 , Anjan Chattopadhyay 1 , P. Bhavana 1 , Keisham Singh 2
Affiliation
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Phenazines bearing electron-donor and electron-acceptor groups with high pH-sensing behavior were synthesized in moderate to good yields. Theoretical calculations on the frontier molecular orbitals and experimental oxidation potential measurements under variable pH values provide evidence for extensive internal charge transfer at high pH value. The well-known strong affinity of the catecholate moiety present in our phenazines is utilized for spectrophotometric detection of Fe3+ ion. Fluorescence-quenching behavior of the prepared phenazines is utilized for detection and distinction of electron-rich and electron-poor aromatics.
中文翻译：
具有pH响应吸收光谱的推挽吩嗪的合成及其在Fe3+离子和芳烃选择性检测中的应用
带有电子供体和电子受体基团且具有高 pH 感应行为的吩嗪以中等至良好的产率合成。前沿分子轨道的理论计算和可变 pH 值下的实验氧化电位测量为高 pH 值下广泛的内部电荷转移提供了证据。我们的吩嗪中存在的儿茶酚酸酯部分众所周知的强亲和力用于 Fe3+ 离子的分光光度法检测。制备的吩嗪的荧光猝灭行为用于检测和区分富电子和缺电子芳烃。
更新日期：2018-02-27
中文翻译：
具有pH响应吸收光谱的推挽吩嗪的合成及其在Fe3+离子和芳烃选择性检测中的应用
带有电子供体和电子受体基团且具有高 pH 感应行为的吩嗪以中等至良好的产率合成。前沿分子轨道的理论计算和可变 pH 值下的实验氧化电位测量为高 pH 值下广泛的内部电荷转移提供了证据。我们的吩嗪中存在的儿茶酚酸酯部分众所周知的强亲和力用于 Fe3+ 离子的分光光度法检测。制备的吩嗪的荧光猝灭行为用于检测和区分富电子和缺电子芳烃。
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