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Yang J, Li P, Li X, Xie L, Wang N, Lei H, Zhang C, Zhang W, Lee YM, Zhang W, Cao R, Fukuzumi S, Nam W. Crucial Roles of a Pendant Imidazole Ligand of a Cobalt Porphyrin Complex in the Stoichiometric and Catalytic Reduction of Dioxygen. Angew Chem Int Ed Engl 2022; 61:e202208143. [PMID: 35730106 DOI: 10.1002/anie.202208143] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Indexed: 11/10/2022]
Abstract
A cobalt porphyrin complex with a pendant imidazole base ([(L1 )CoII ]) is an efficient catalyst for the homogeneous catalytic two-electron reduction of dioxygen by 1,1'-dimethylferrocene (Me2 Fc) in the presence of triflic acid (HOTf), as compared with a cobalt porphyrin complex without a pendant imidazole base ([(L2 )CoII ]). The pendant imidazole ligand plays a crucial role not only to provide an imidazolinium proton for proton-coupled electron transfer (PCET) from [(L1 )CoII ] to O2 in the presence of HOTf but also to facilitate electron transfer (ET) from [(L1 )CoII ] to O2 in the absence of HOTf. The kinetics analysis and the detection of intermediates in the stoichiometric and catalytic reduction of O2 have provided clues to clarify the crucial roles of the pendant imidazole ligand of [(L1 )CoII ] for the first time.
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Affiliation(s)
- Jindou Yang
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | - Ping Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Xi'an Key Laboratory of Organometallic Material Chemistry, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Xialiang Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Xi'an Key Laboratory of Organometallic Material Chemistry, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Lisi Xie
- Key Laboratory of Applied Surface and Colloid Chemistry, Xi'an Key Laboratory of Organometallic Material Chemistry, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Ni Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Xi'an Key Laboratory of Organometallic Material Chemistry, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Haitao Lei
- Key Laboratory of Applied Surface and Colloid Chemistry, Xi'an Key Laboratory of Organometallic Material Chemistry, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Chaochao Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Xi'an Key Laboratory of Organometallic Material Chemistry, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Wei Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Xi'an Key Laboratory of Organometallic Material Chemistry, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Yong-Min Lee
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | - Weiqiang Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Xi'an Key Laboratory of Organometallic Material Chemistry, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Rui Cao
- Key Laboratory of Applied Surface and Colloid Chemistry, Xi'an Key Laboratory of Organometallic Material Chemistry, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Shunichi Fukuzumi
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | - Wonwoo Nam
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
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2
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Yang J, Li P, Li X, Xie L, Wang N, Lei H, Zhang C, Zhang W, Lee YM, Zhang W, Cao R, Fukuzumi S, Nam W. Crucial Roles of a Pendant Imidazole Ligand of a Cobalt Porphyrin Complex in the Stoichiometric and Catalytic Reduction of Dioxygen. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Jindou Yang
- Ewha Womans University Department of Chemistry and Nanoscience KOREA, REPUBLIC OF
| | - Ping Li
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Xialiang Li
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Lisi Xie
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Ni Wang
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Haitao Lei
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Chaochao Zhang
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Wei Zhang
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Yong-Min Lee
- Ewha Womans University Department of Chemistry and Nanoscience KOREA, REPUBLIC OF
| | - Weiqiang Zhang
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Rui Cao
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Shunichi Fukuzumi
- Osaka University Department of Material and Life Science 2-1 Yamada-oka 565-0871 Suita JAPAN
| | - Wonwoo Nam
- Ewha Womans University Department of Chemistry and Nanoscience KOREA, REPUBLIC OF
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3
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van Dijk B, Kinders R, Ferber TH, Hofmann JP, Hetterscheid D. A selective copper based oxygen reduction catalyst for the electrochemical synthesis of H2O2 at neutral pH. ChemElectroChem 2022; 9:e202101692. [PMID: 35911791 PMCID: PMC9305592 DOI: 10.1002/celc.202101692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Indexed: 11/06/2022]
Abstract
H2O2 is a bulk chemical used as “green” alternative in a variety of applications, but has an energy and waste intensive production method. The electrochemical O2 reduction to H2O2 is viable alternative with examples of the direct production of up to 20% H2O2 solutions. In that respect, we found that the dinuclear complex Cu2(btmpa) (6,6’‐bis[[bis(2‐pyridylmethyl)amino]methyl]‐2,2’‐bipyridine) reduces O2 to H2O2 with a selectivity up to 90 % according to single linear sweep rotating ring disk electrode measurements. Microbalance experiments showed that complex reduction leads to surface adsorption thereby increasing the catalytic current. More importantly, we kept a high Faradaic efficiency for H2O2 between 60 and 70 % over the course of 2 h of amperometry by introducing high potential intervals to strip deposited copper (depCu). This is the first example of extensive studies into the long term electrochemical O2 to H2O2 reduction by a molecular complex which allowed to retain the high intrinsic selectivity of Cu2(btmpa) towards H2O2 production leading to relevant levels of H2O2.
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Affiliation(s)
- Bas van Dijk
- University of Leiden: Universiteit Leiden Leiden Institute of Chemistry NETHERLANDS
| | - Rick Kinders
- Leiden University: Universiteit Leiden Leiden Insitute of Chemistry NETHERLANDS
| | - Thimo H. Ferber
- Technical University of Darmstadt: Technische Universitat Darmstadt deparment of materials and earth sciences GERMANY
| | - Jan P. Hofmann
- Technical University of Darmstadt: Technische Universitat Darmstadt department of materials and earth sciences GERMANY
| | - Dennis Hetterscheid
- Leiden Institute of Chemistry Department of Chemistry Einsteinweg 55Room number EE4.19 2333 CC Leiden NETHERLANDS
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4
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van der Ham CJM, Zwagerman DNH, Wu L, Hofmann JP, Hetterscheid D. A heterogenized copper phenanthroline system to catalyze the oxygen reduction reaction. ChemElectroChem 2022; 9:e202101365. [PMID: 35911790 PMCID: PMC9305121 DOI: 10.1002/celc.202101365] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 12/23/2021] [Indexed: 11/17/2022]
Abstract
Upon the electrochemical reduction of an in situ generated 5‐diazo‐1,10‐phenanthroline ion, phenanthroline was covalently attached to a gold electrode. The grafted molecules act as a ligand when brought in contact with a copper‐containing electrolyte solution. As the ligands are limited in spatial movement, the exclusive formation of the active species with only one phenanthroline ligand coordinated was expected. The in situ generated complexes have been investigated for activity in the oxygen reduction reaction, for which an overpotential of 800 mV is observed. During catalysis, initially a thick copper layer is formed on top of an organic layer that is still present on the gold surface. Upon deterioration of the organic layer underneath the copper over time, the amount of copper on the electrode and thereby the electrocatalytic activity decreases.
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Affiliation(s)
| | - Damy N. H. Zwagerman
- Leiden University: Universiteit Leiden Leiden Institute of Chemistry NETHERLANDS
| | - Longfei Wu
- University of Technology Eindhoven: Technische Universiteit Eindhoven department of chemical engineering and chemistry NETHERLANDS
| | - Jan P. Hofmann
- Technische Universitat Darmstadt FG Oberflachenforschung GERMANY
| | - Dennis Hetterscheid
- Leiden Institute of Chemistry Department of Chemistry Einsteinweg 55Room number EE4.19 2333 CC Leiden NETHERLANDS
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Langerman M, Hetterscheid DGH. Mechanistic Study of the Activation and the Electrocatalytic Reduction of Hydrogen Peroxide by Cu-tmpa in Neutral Aqueous Solution. ChemElectroChem 2021; 8:2783-2791. [PMID: 34589379 PMCID: PMC8453753 DOI: 10.1002/celc.202100436] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/04/2021] [Indexed: 11/29/2022]
Abstract
Hydrogen peroxide plays an important role as an intermediate and product in the reduction of dioxygen by copper enzymes and mononuclear copper complexes. The copper(II) tris(2-pyridylmethyl)amine complex (Cu-tmpa) has been shown to produce H2O2 as an intermediate during the electrochemical 4-electron reduction of O2. We investigated the electrochemical hydrogen peroxide reduction reaction (HPRR) by Cu-tmpa in a neutral aqueous solution. The catalytic rate constant of the reaction was shown to be one order of magnitude lower than the reduction of dioxygen. A significant solvent kinetic isotope effect (KIE) of 1.4 to 1.7 was determined for the reduction of H2O2, pointing to a Fenton-like reaction pathway as the likely catalytic mechanism, involving a single copper site that produces an intermediate copper(II) hydroxo species and a free hydroxyl radical anion in the process.
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Affiliation(s)
- Michiel Langerman
- Leiden Institute of ChemistryLeiden UniversityP.O Box 95022300 RALeidenThe Netherlands
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6
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Straistari T, Morozan A, Shova S, Réglier M, Orio M, Artero V. Catalytic Reduction of Oxygen by a Copper Thiosemicarbazone Complex. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tatiana Straistari
- CEA/IRIG, Laboratoire de Chimie et Biologie des Métaux Univ. Grenoble Alpes, CNRS 17 rue des Martyrs, F‐ 38054 Grenoble cedex 9 France
- Centrale Marseille, iSm2 Aix‐Marseille Univ., CNRS Marseille France
- Institute of Chemistry. Academy of Sciences of Moldova 3, Academiei street MD 2028 Chisinau Republic of Moldova
| | - Adina Morozan
- CEA/IRIG, Laboratoire de Chimie et Biologie des Métaux Univ. Grenoble Alpes, CNRS 17 rue des Martyrs, F‐ 38054 Grenoble cedex 9 France
| | - Sergiu Shova
- Institute of Macromolecular Chemistry "Petru Poni" 41A Grigore Ghica Voda Alley 700487 Iasi Romania
| | - Marius Réglier
- Centrale Marseille, iSm2 Aix‐Marseille Univ., CNRS Marseille France
| | - Maylis Orio
- Centrale Marseille, iSm2 Aix‐Marseille Univ., CNRS Marseille France
| | - Vincent Artero
- CEA/IRIG, Laboratoire de Chimie et Biologie des Métaux Univ. Grenoble Alpes, CNRS 17 rue des Martyrs, F‐ 38054 Grenoble cedex 9 France
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7
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Enciso AE, Lorandi F, Mehmood A, Fantin M, Szczepaniak G, Janesko BG, Matyjaszewski K. p
‐Substituted Tris(2‐pyridylmethyl)amines as Ligands for Highly Active ATRP Catalysts: Facile Synthesis and Characterization. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004724] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Alan E. Enciso
- Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
| | - Francesca Lorandi
- Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
| | - Arshad Mehmood
- Department of Chemistry and Biochemistry Texas Christian University 2800 South University Drive Fort Worth TX 76129 USA
| | - Marco Fantin
- Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
| | - Grzegorz Szczepaniak
- Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
| | - Benjamin G. Janesko
- Department of Chemistry and Biochemistry Texas Christian University 2800 South University Drive Fort Worth TX 76129 USA
| | - Krzysztof Matyjaszewski
- Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
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Enciso AE, Lorandi F, Mehmood A, Fantin M, Szczepaniak G, Janesko BG, Matyjaszewski K. p-Substituted Tris(2-pyridylmethyl)amines as Ligands for Highly Active ATRP Catalysts: Facile Synthesis and Characterization. Angew Chem Int Ed Engl 2020; 59:14910-14920. [PMID: 32416006 DOI: 10.1002/anie.202004724] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/10/2020] [Indexed: 12/28/2022]
Abstract
A facile and efficient two-step synthesis of p-substituted tris(2-pyridylmethyl)amine (TPMA) ligands to form Cu complexes with the highest activity to date in atom transfer radical polymerization (ATRP) is presented. In the divergent synthesis, p-Cl substituents in tris(4-chloro-2-pyridylmethyl)amine (TPMA3Cl ) were replaced in one step and high yield by electron-donating cyclic amines (pyrrolidine (TPMAPYR ), piperidine (TPMAPIP ), and morpholine (TPMAMOR )) by nucleophilic aromatic substitution. The [CuII (TPMANR2 )Br]+ complexes exhibited larger energy gaps between frontier molecular orbitals and >0.2 V more negative reduction potentials than [CuII (TPMA)Br]+ , indicating >3 orders of magnitude higher ATRP activity. [CuI (TPMAPYR )]+ exhibited the highest reported activity for Br-capped acrylate chain ends in DMF, and moderate activity toward C-F bonds at room temperature. ATRP of n-butyl acrylate using only 10-25 part per million loadings of [CuII (TPMANR2 )Br]+ exhibited excellent control.
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Affiliation(s)
- Alan E Enciso
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA, 15213, USA
| | - Francesca Lorandi
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA, 15213, USA
| | - Arshad Mehmood
- Department of Chemistry and Biochemistry, Texas Christian University, 2800 South University Drive, Fort Worth, TX, 76129, USA
| | - Marco Fantin
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA, 15213, USA
| | - Grzegorz Szczepaniak
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA, 15213, USA
| | - Benjamin G Janesko
- Department of Chemistry and Biochemistry, Texas Christian University, 2800 South University Drive, Fort Worth, TX, 76129, USA
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA, 15213, USA
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