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Lionetti D, Suseno S, Shiau AA, de Ruiter G, Agapie T. Redox Processes Involving Oxygen: The Surprising Influence of Redox-Inactive Lewis Acids. JACS AU 2024; 4:344-368. [PMID: 38425928 PMCID: PMC10900226 DOI: 10.1021/jacsau.3c00675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/12/2023] [Accepted: 12/13/2023] [Indexed: 03/02/2024]
Abstract
Metalloenzymes with heteromultimetallic active sites perform chemical reactions that control several biogeochemical cycles. Transformations catalyzed by such enzymes include dioxygen generation and reduction, dinitrogen reduction, and carbon dioxide reduction-instrumental transformations for progress in the context of artificial photosynthesis and sustainable fertilizer production. While the roles of the respective metals are of interest in all these enzymatic transformations, they share a common factor in the transfer of one or multiple redox equivalents. In light of this feature, it is surprising to find that incorporation of redox-inactive metals into the active site of such an enzyme is critical to its function. To illustrate, the presence of a redox-inactive Ca2+ center is crucial in the Oxygen Evolving Complex, and yet particularly intriguing given that the transformation catalyzed by this cluster is a redox process involving four electrons. Therefore, the effects of redox inactive metals on redox processes-electron transfer, oxygen- and hydrogen-atom transfer, and O-O bond cleavage and formation reactions-mediated by transition metals have been studied extensively. Significant effects of redox inactive metals have been observed on these redox transformations; linear free energy correlations between Lewis acidity and the redox properties of synthetic model complexes are observed for several reactions. In this Perspective, these effects and their relevance to multielectron processes will be discussed.
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Affiliation(s)
| | - Sandy Suseno
- Division of Chemistry and
Chemical Engineering, California Institute
of Technology, 1200 East California Boulevard, MC 127-72, Pasadena, California 91125, United States
| | - Angela A. Shiau
- Division of Chemistry and
Chemical Engineering, California Institute
of Technology, 1200 East California Boulevard, MC 127-72, Pasadena, California 91125, United States
| | - Graham de Ruiter
- Division of Chemistry and
Chemical Engineering, California Institute
of Technology, 1200 East California Boulevard, MC 127-72, Pasadena, California 91125, United States
| | - Theodor Agapie
- Division of Chemistry and
Chemical Engineering, California Institute
of Technology, 1200 East California Boulevard, MC 127-72, Pasadena, California 91125, United States
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2
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Jeong D, Selverstone Valentine J, Cho J. Bio-inspired mononuclear nonheme metal peroxo complexes: Synthesis, structures and mechanistic studies toward understanding enzymatic reactions. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Ghodsi J, Rafati AA, Joghani RA. Highly Efficient Degradation of Linear Alkylbenzene Sulfonate Surfactant by MIL‐53 (Fe) Metal Organic Framework Derived Electro‐Fenton Applicable in Water Treatments. ChemistrySelect 2021. [DOI: 10.1002/slct.202101442] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Javad Ghodsi
- Department of Physical Chemistry Faculty of Chemistry Bu-Ali Sina University, P.O.Box 65174 Hamedan Iran
| | - Amir Abbas Rafati
- Department of Physical Chemistry Faculty of Chemistry Bu-Ali Sina University, P.O.Box 65174 Hamedan Iran
| | - Roghaiyeh Asadpour Joghani
- Department of Physical Chemistry Faculty of Chemistry Bu-Ali Sina University, P.O.Box 65174 Hamedan Iran
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4
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Vargo NP, Harland JB, Musselman BW, Lehnert N, Ertem MZ, Robinson JR. Calcium‐Ion Binding Mediates the Reversible Interconversion of
Cis
and
Trans
Peroxido Dicopper Cores. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Natasha P. Vargo
- Department of Chemistry Brown University 324 Brook Street Providence RI 02912 USA
| | - Jill B. Harland
- Department of Chemistry and Department of Biophysics University of Michigan 930 North University Avenue Ann Arbor MI 41809-1055 USA
| | - Bradley W. Musselman
- Department of Chemistry and Department of Biophysics University of Michigan 930 North University Avenue Ann Arbor MI 41809-1055 USA
| | - Nicolai Lehnert
- Department of Chemistry and Department of Biophysics University of Michigan 930 North University Avenue Ann Arbor MI 41809-1055 USA
| | - Mehmed Z. Ertem
- Chemistry Division, Energy & Photon Sciences Brookhaven National Laboratory PO Box 5000 Upton NY 11973-5000 USA
| | - Jerome R. Robinson
- Department of Chemistry Brown University 324 Brook Street Providence RI 02912 USA
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5
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Vargo NP, Harland JB, Musselman BW, Lehnert N, Ertem MZ, Robinson JR. Calcium-Ion Binding Mediates the Reversible Interconversion of Cis and Trans Peroxido Dicopper Cores. Angew Chem Int Ed Engl 2021; 60:19836-19842. [PMID: 34101958 DOI: 10.1002/anie.202105421] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/07/2021] [Indexed: 01/27/2023]
Abstract
Coupled dinuclear copper oxygen cores (Cu2 O2 ) featured in type III copper proteins (hemocyanin, tyrosinase, catechol oxidase) are vital for O2 transport and substrate oxidation in many organisms. μ-1,2-cis peroxido dicopper cores (C P) have been proposed as key structures in the early stages of O2 binding in these proteins; their reversible isomerization to other Cu2 O2 cores are directly relevant to enzyme function. Despite the relevance of such species to type III copper proteins and the broader interest in the properties and reactivity of bimetallic C P cores in biological and synthetic systems, the properties and reactivity of C P Cu2 O2 species remain largely unexplored. Herein, we report the reversible interconversion of μ-1,2-trans peroxido (T P) and C P dicopper cores. CaII mediates this process by reversible binding at the Cu2 O2 core, highlighting the unique capability for metal-ion binding events to stabilize novel reactive fragments and control O2 activation in biomimetic systems.
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Affiliation(s)
- Natasha P Vargo
- Department of Chemistry, Brown University, 324 Brook Street, Providence, RI, 02912, USA
| | - Jill B Harland
- Department of Chemistry and Department of Biophysics, University of Michigan, 930 North University Avenue, Ann Arbor, MI, 41809-1055, USA
| | - Bradley W Musselman
- Department of Chemistry and Department of Biophysics, University of Michigan, 930 North University Avenue, Ann Arbor, MI, 41809-1055, USA
| | - Nicolai Lehnert
- Department of Chemistry and Department of Biophysics, University of Michigan, 930 North University Avenue, Ann Arbor, MI, 41809-1055, USA
| | - Mehmed Z Ertem
- Chemistry Division, Energy & Photon Sciences, Brookhaven National Laboratory, PO Box 5000, Upton, NY, 11973-5000, USA
| | - Jerome R Robinson
- Department of Chemistry, Brown University, 324 Brook Street, Providence, RI, 02912, USA
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6
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Devi T, Lee YM, Fukuzumi S, Nam W. Acid-promoted hydride transfer from an NADH analogue to a Cr(iii)-superoxo complex via a proton-coupled hydrogen atom transfer. Dalton Trans 2021; 50:675-680. [PMID: 33331375 DOI: 10.1039/d0dt04004e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The sequential transfer of an electron, a proton and an electron in a hydride transfer from dihydronicotinamide adenine dinucleotide (NADH) and its analogues has never been separated well. In addition, the effect of acids on hydride transfer from an NADH analogue to a metal-superoxo species has yet to be reported. We report herein the first example of an acid-promoted hydride transfer from an NADH analogue, 10-methyl-9,10-dihydroacridine (AcrH2), to a Cr(iii)-superoxo complex, [(TMC)CrIII(O2)]2+, in the presence of HOTf in MeCN at 233 K. The acid-promoted hydride transfer from AcrH2 to [(TMC)CrIII(O2)]2+ occurs via a proton-coupled hydrogen atom transfer from AcrH2 to [(TMC)CrIII(O2)]2+ to produce a radical cation (AcrH2˙+) with an inverse deuterium isotope effect (KIE) of 0.93(5). AcrH2˙+ decayed via a proton transfer from AcrH2˙+ to AcrH2 with a KIE of 2.0(1), followed by the reaction of 10-methylacridinyl radical (AcrH˙) with [(TMC)CrIII(H2O2)]3+ to produce a 10-methylacridinium ion (AcrH+) and [(TMC)CrIII]3+. This work provides valuable insights into the mechanism of hydride transfer of NADH analogues by metal-superoxo intermediates, such as the switchover of the reaction mechanism from a one-step to a separated multi-step pathway in the presence of an acid.
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Affiliation(s)
- Tarali Devi
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea.
| | - Yong-Min Lee
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea.
| | - Shunichi Fukuzumi
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea. and Faculty of Science and Engineering, Meijo University, Nagoya, Aichi 468-8502, Japan
| | - Wonwoo Nam
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea. and Institute of Drug Discovery Technology, Ningbo University, Ningbo 315211, China
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Kim B, Kim S, Ohta T, Cho J. Redox-Inactive Metal Ions That Enhance the Nucleophilic Reactivity of an Alkylperoxocopper(II) Complex. Inorg Chem 2020; 59:9938-9943. [PMID: 32614571 DOI: 10.1021/acs.inorgchem.0c01109] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The importance of redox-inactive metal ions in modulating the reactivity of redox-active biological systems is a subject of great current interest. In this work, the effect of redox-inactive metal ions (M3+ = Sc3+, Y3+, Yb3+, La3+) on the nucleophilic reactivity of a mononuclear ligand-based alkylperoxocopper(II) complex, [Cu(iPr2-tren-C(CH3)2O2)]+ (1), was examined. 1 was prepared by the addition of hydrogen peroxide and triethylamine to the solution of [Cu(iPr3-tren)(CH3CN)]+ (iPr3-tren = tris[2-(isopropylamino)ethyl]amine) via the formation of [Cu(iPr3-tren)(O2H)]+ (2) in methanol (CH3OH) at 30 °C. 1 was characterized using density functional theory (DFT) calculations and spectroscopic methods such as UV-vis, resonance Raman (rR), and electron paramagnetic resonance (EPR). DFT calculations support the electronic structure of 1 with an intermediate geometry between the trigonal-bipyramidal and square-pyramidal geometries, which is consistent with the observed EPR signal exhibiting a signal with g⊥ = 2.03 (A⊥ = 16 G) and g|| = 2.19 (A|| = 158 G). The Cu-O bond stretching frequency of 1 was observed at 507 cm-1 for 16O2 species (486 cm-1 for 18O2 species), and its O-O vibrational energy was determined to be 799 cm-1 for 16O2 species (759 cm-1 for 18O2 species) by rR spectroscopy. The reactivity of 1 was investigated in oxidative nucleophilic reactions. The positive slope of the Hammett plot (ρ = 2.3(1)) with para-substituted benzaldehydes and the reactivity order with 1°-, 2°-, and 3°-CHO demonstrate well the nucleophilic character of this copper(II) ligand-based alkylperoxo complex. The Lewis acidity of M3+ improves the oxidizing ability of 1. The modulated reactivity of 1 with M3+ was revealed to be an opposite trend of the Lewis acidity of M3+ in aldehyde deformylation.
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Affiliation(s)
- Bohee Kim
- Department of Emerging Materials Science, DGIST, Daegu 42988, Korea
| | - Seonghan Kim
- Department of Emerging Materials Science, DGIST, Daegu 42988, Korea
| | - Takehiro Ohta
- Picobiology Institute, Graduate School of Life Science, University of Hyogo, RSC-UH LP Center, Hyogo 679-5148, Japan
| | - Jaeheung Cho
- Department of Emerging Materials Science, DGIST, Daegu 42988, Korea
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Lim SY, Park S, Im SW, Ha H, Seo H, Nam KT. Chemically Deposited Amorphous Zn-Doped NiFeOxHy for Enhanced Water Oxidation. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03544] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Sung Yul Lim
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Korea
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518000, People’s Republic of China
| | - Sunghak Park
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Korea
| | - Sang Won Im
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Korea
| | - Heonjin Ha
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Korea
| | - Hongmin Seo
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Korea
| | - Ki Tae Nam
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Korea
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10
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Liu Y, Lau TC. Activation of Metal Oxo and Nitrido Complexes by Lewis Acids. J Am Chem Soc 2019; 141:3755-3766. [DOI: 10.1021/jacs.8b13100] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Yingying Liu
- Department of Chemistry and Institute of Molecular Functional Materials, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Hong Kong 999077, China
| | - Tai-Chu Lau
- Department of Chemistry and Institute of Molecular Functional Materials, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Hong Kong 999077, China
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12
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Cook BJ, Di Francesco GN, Abboud KA, Murray LJ. Countercations and Solvent Influence CO 2 Reduction to Oxalate by Chalcogen-Bridged Tricopper Cyclophanates. J Am Chem Soc 2018; 140:5696-5700. [PMID: 29676578 DOI: 10.1021/jacs.8b02508] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
One-electron reduction of Cu3EL (L3- = tris(β-diketiminate)cyclophane, and E = S, Se) affords [Cu3EL]-, which reacts with CO2 to yield exclusively C2O42- (95% yield, TON = 24) and regenerate Cu3EL. Stopped-flow UV/visible data support an A→B mechanism under pseudo-first-order conditions ( kobs, 298K = 115(2) s-1), which is 106 larger than those for reported copper complexes. The kobs values are dependent on the countercation and solvent (e.g., kobs is greater for [K(18-crown-6)]+ vs (Ph3P)2N+, and there is a 20-fold decrease in kobs in THF vs DMF). Our results suggest a mechanism in which cations and solvent influence the stability of the transition state.
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Wallen CM, Wielizcko M, Bacsa J, Scarborough CC. Heterotrimetallic sandwich complexes supported by sulfonamido ligands. Inorg Chem Front 2016. [DOI: 10.1039/c5qi00233h] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
CoII complexes bearing sulfonamido ligands derived from tris(2-aminoethyl)amine (H6tren) assemble into complex architectures in the presence of Group II ions through interactions between the Group II ion and the sulfonyl oxygens.
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Affiliation(s)
| | | | - John Bacsa
- Department of Chemistry
- Emory University
- Atlanta
- USA
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