Electrochemical oxidation of diethyl 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylate on a glassy carbon electrode as model compound of NADH

Rosales AG.; Galvin RM.; Mellado JMR.; Montoya MR.

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Electrochemical oxidation of diethyl 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylate on a glassy carbon electrode as model compound of NADH

机译：1,4-二氢-2,4,6-三甲基-3,5-吡啶二羧酸二乙酯在NADH的模型化合物上的电化学氧化

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The electrooxodation of diethyl 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylate (DTP) in ethanol/water solutions on a glassy carbon electrode has been studied by linear-sweep cyclic voltammetry. Convolution voltammetry was used to analyze the I-E curves. From the experimental results it was concluded that in acidic media, the rate-determining step, r.d.s., was the deprotonation of the radical cation formed after the first one-electron transfer. In basic media, the mechanism consisted of a DISP1 scheme in which r.d.s. is the uptake of an H+ ion by both the OH- ion and the basic components of the buffer. The relative rate constant of the carbonate ion with respect to the OH- is calculated. [References: 35]

机译：通过线性扫描循环伏安法研究了在乙醇/水溶液中的玻璃碳电极上的1,4-二氢-2,4,6-三甲基-3,5-吡啶二甲酸二乙酯的电氧化。卷积伏安法用于分析I-E曲线。从实验结果可以得出结论，在酸性介质中，决定速率的步骤r.d.s.是第一次单电子转移后形成的自由基阳离子的去质子化。在基本媒体中，该机制由DISP1方案组成，其中r.d.s.是OH-离子和缓冲液基本成分对H +离子的吸收。计算碳酸根离子相对于OH-的相对速率常数。 [参考：35]

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《Electroanalysis》 |1999年第1期|共5页
作者
Rosales AG.; Galvin RM.; Mellado JMR.; Montoya MR.;
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正文语种 eng
中图分类电化学、电解、磁化学;
关键词
Oxidation mechanisms; Nadh; Dihydropyridines; Electrode kinetics; Voltammetry; Dihydronicotinamide adenine-dinucleotide; Cation radicals; Pyridinyl radicals; Aqueous-solutions; Analogs; Nicotinamide; Reduction; Deprotonation; Voltammetry; Adsorption;

机译：氧化机理;Nadh;二氢吡啶;电极动力学;伏安法;二羟烟酰胺腺嘌呤-二核苷酸;阳离子自由基;吡啶基自由基;水溶液;模拟物;烟酰胺;还原;去质子化;伏安法;吸附;

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1. Electrochemical oxidation of diethyl 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylate on a glassy carbon electrode as model compound of NADH [J] . Rosales AG., Galvin RM., Mellado JMR., Electroanalysis . 1999,第1期

机译：1,4-二氢-2,4,6-三甲基-3,5-吡啶二羧酸二乙酯在NADH的模型化合物上的电化学氧化
2. Electrochemical and solid-phase synthetic modification of glassy carbon electrodes with dihydroxybenzene compounds and the electrocatalytic oxidation of NADH [J] . Ghanem MA, Chretien JM, Kilburn JD, Bioelectrochemistry . 2009,第1a2期

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3. Electrochemical oxidation of NADH at a bare glassy carbon electrode in different supporting electrolytes [J] . Katekawa E., Rodrigues LL., Delbem MF., Analytica chimica acta . 1999,第1a3期

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4. Electrochemical Reduction of CO_2 using Copper Oxide Nanoparticles supported on Glassy Carbon Electrodes [C] . Gregory L. Griffin, Joel Bugayong Materials Research Society Meeting . 2014

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5. The electrochemical study of promethazine hydrochloride in aqueous solution at glassy carbon electrode. [D] . Tambe Takaw, Robert. 2012

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6. Peroxide Electrochemical Sensor and Biosensor Based on Nanocomposite of TiO2 Nanoparticle/Multi-Walled Carbon Nanotube Modified Glassy Carbon Electrode [O] . L. Andrés Guerrero, Lenys Fernández, Gema González, 2020

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7. Electrochemical behaviour of antioxidants: Part 2. Electrochemical oxidation mechanism of quercetin at glassy carbon electrode modified with multi-wall carbon nanotubes [O] . Refat Abdel-Hamid, Mostafa K. Rabia, Emad F. Newair 2016

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8. Chemically Modified Electrodes. XIV. Attachment of Reagents to Oxide-Free Glassy Carbon Surfaces. Electroactive RF Polymer Films on Carbon and Platinum Electrodes. [R] . nowak, r. schultz, f. a. 1978

机译：化学修饰电极。十四。试剂与无氧化物玻碳表面的连接。碳和铂电极上的电活性RF聚合物薄膜。

Electrochemical oxidation of diethyl 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylate on a glassy carbon electrode as model compound of NADH

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