Electrochemical Characterization of β-Alkyl Substituted Porphyrins and Mn(III) Complexes in Alkaline Solution

被引：15

作者：

Berezina, Nadezhda M. ^{[1
]}

Klueva, Maria E. ^{[2
]}

Bazanov, Mikhail I. ^{[1
]}

机构：

[1] Ivanovo State Univ Chem & Technol, Res Inst Macroheterocycl Cpds, Ivanovo 153000, Russia

[2] Ivanovo State Med Acad, Minist Healthcare Russian Federat, Ivanovo 153000, Russia

来源：

MACROHETEROCYCLES | 2017年 / 10卷 / 03期

基金：

俄罗斯科学基金会;

关键词：

Voltammetry; porphyrins; manganese complexes; electroreduction; molecular oxygen; MOLECULAR-STRUCTURE; METALLOPORPHYRINS; REACTIVITY; REDUCTION; OXIDATION; CRYSTAL;

D O I：

10.6060/mhc170507b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A comparative study of electrochemical and electrocatalytic properties of 3,7,12,18-tetramethyl-2,8,13,17-tetraethylporphine (H2TMeTEtP, Etio IV), 2,3,7,8,12,13,17,18-octaethylporphyrin (H2OEtP) and their complexes ((Cl) MTMeTEtP, (Cl) MOEtP, M=Mn(III)) was conducted by cyclic voltammetry in 0.1 M KOH. The sequence and areas of electrochemical processes were established. Values of the half-wave potentials of the first and second electroreduction processes of the p-electron macrocycle system as a whole were correlated with the increase in the length of alkyl substituents. The positive effect of increasing length of a functional substituent at beta-positions in a porphine molecule on the electrocatalytic activity of the compounds in the oxygen reduction reaction (ORR) was established.

引用

页码：308 / 312

页数：5

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