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电化学反应表征和吡啶嗪桥联双核 Mn(I)羰基配合物的 CO 还原反应。

Electrochemical Characterization and CO Reduction Reaction of a Family of Pyridazine-Bridged Dinuclear Mn(I) Carbonyl Complexes.

机构信息

Dipartimento di Chimica "Giacomo Ciamician", Università di Bologna, Via Selmi 2, 40126 Bologna, Italy.

Dipartimento di Chimica, Università di Milano, Via Golgi 19, 20133 Milano, Italy.

出版信息

Molecules. 2023 Jan 23;28(3):1138. doi: 10.3390/molecules28031138.

DOI:10.3390/molecules28031138
PMID:36770804
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9922005/
Abstract

Three recently synthesized neutral dinuclear carbonyl manganese complexes with the pyridazine bridging ligand, of general formula [Mn(μ-ER)(CO)(μ-pydz)] (pydz = pyridazine; E = O or S; R = methyl or phenyl), have been investigated by cyclic voltammetry in dimethylformamide and acetonitrile both under an inert argon atmosphere and in the presence of carbon dioxide. This family of Mn(I) compounds behaves interestingly at negative potentials in the presence of CO. Based on this behavior, which is herein discussed, a rather efficient catalytic mechanism for the CO reduction reaction toward the generation of CO has been hypothesized.

摘要

最近合成了三种具有嘧啶桥联配体的中性双核羰基锰配合物，通式为[Mn(μ-ER)(CO)(μ-pydz)]（pydz=嘧啶嗪；E=O 或 S；R=甲基或苯基），在惰性氩气气氛下和存在二氧化碳的情况下，在二甲基甲酰胺和乙腈中通过循环伏安法进行了研究。在 CO 的存在下，这种 Mn(I)化合物在负电位下表现出有趣的行为。基于这种行为，本文讨论了一种生成 CO 的 CO 还原反应的相当有效的催化机制。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/907d6c5f4900/molecules-28-01138-g004a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/af9cf1d81dc9/molecules-28-01138-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/af03946d0532/molecules-28-01138-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/b455dd4bee7d/molecules-28-01138-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/f6469f4891c0/molecules-28-01138-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/ab60b5fa65f8/molecules-28-01138-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/d4f1387167da/molecules-28-01138-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/907d6c5f4900/molecules-28-01138-g004a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/af9cf1d81dc9/molecules-28-01138-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/af03946d0532/molecules-28-01138-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/b455dd4bee7d/molecules-28-01138-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/f6469f4891c0/molecules-28-01138-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/ab60b5fa65f8/molecules-28-01138-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/d4f1387167da/molecules-28-01138-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/96ae/9922005/907d6c5f4900/molecules-28-01138-g004a.jpg

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