Two interesting reports in electrochemical oxidation of o-tolidine: presentation ECDispE mechanism and electrosynthesis of a diazine compound

IF 2.2 4区 化学 Q3 CHEMISTRY, MULTIDISCIPLINARY
Saba Parandeh, Ameneh Amani, Sadegh Khazalpour
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Abstract

Electrochemical oxidation of o-tolidine has been assessed in a mixture (70/30) of buffer/acetonitrile and various pHs. The electrochemical results corroborate that the mechanism of electrooxidation of o-tolidine acidic, neutral, and alkaline solutions are different, and three pH zones with different oxidation mechanisms were obtained: in the first region, a reversible oxidation reaction under the E mechanism, in the second region, observing the two one-electron oxidation–reduction under the ECDispE mechanism, and observation of the evidence of the ECE mechanism in the third region. In the continuation, electrosynthesis of a new azo compound has been reported in the third region. This process involves the electrochemical oxidation of o-tolidine in an aqueous phosphate buffer (pH = 7.2) in a divided cell using a carbon anode.

Graphical abstract

Abstract Image

关于邻甲苯胺电化学氧化的两份有趣报告:介绍 ECDispE 机制和一种重氮化合物的电合成
评估了邻甲苯胺在缓冲液/乙腈混合物(70/30)和不同 pH 值下的电化学氧化作用。电化学结果证实,邻甲苯胺在酸性、中性和碱性溶液中的电氧化机理是不同的,并得到了氧化机理不同的三个 pH 区:在第一区,是 E 机理下的可逆氧化反应;在第二区,观察到了 ECDispE 机理下的两个单电子氧化还原反应;在第三区,观察到了 ECE 机理的证据。接着,在第三区域报告了一种新偶氮化合物的电合成。该过程涉及邻甲苯胺在磷酸缓冲水溶液(pH = 7.2)中的电化学氧化,在一个使用碳阳极的分层电池中进行。
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来源期刊
CiteScore
4.40
自引率
8.30%
发文量
230
审稿时长
5.6 months
期刊介绍: JICS is an international journal covering general fields of chemistry. JICS welcomes high quality original papers in English dealing with experimental, theoretical and applied research related to all branches of chemistry. These include the fields of analytical, inorganic, organic and physical chemistry as well as the chemical biology area. Review articles discussing specific areas of chemistry of current chemical or biological importance are also published. JICS ensures visibility of your research results to a worldwide audience in science. You are kindly invited to submit your manuscript to the Editor-in-Chief or Regional Editor. All contributions in the form of original papers or short communications will be peer reviewed and published free of charge after acceptance.
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