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Askari MS, Effaty F, Gennarini F, Orio M, Le Poul N, Ottenwaelder X. Tuning Inner-Sphere Electron Transfer in a Series of Copper/Nitrosoarene Adducts. Inorg Chem 2020; 59:8678-8689. [PMID: 32073833 DOI: 10.1021/acs.inorgchem.9b03175] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A series of copper/nitrosoarene complexes was created that mimics several steps in biomimetic O2 activation by copper(I). The reaction of the copper(I) complex of N,N,N',N'-tetramethypropylenediamine with a series of para-substituted nitrosobenzene derivatives leads to adducts in which the nitrosoarene (ArNO) is reduced by zero, one, or two electrons, akin to the isovalent species dioxygen, superoxide, and peroxide, respectively. The geometric and electronic structures of these adducts were characterized by means of X-ray diffraction, vibrational analysis, ultraviolet-visible spectroscopy, NMR, electrochemistry, and density functional theory (DFT) calculations. The bonding mode of the NO moiety depends on the oxidation state of the ArNO moiety: κN for ArNO, mononuclear η2-NO and dinuclear μ-η2:η1 for ArNO•-, and dinuclear μ-η2:η2 for ArNO2-. 15N isotopic labeling confirms the reduction state by measuring the NO stretching frequency (1392 cm-1 for κN-ArNO, 1226 cm-1 for η2-ArNO•-, 1133 cm-1 for dinuclear μ-η2:η1-ArNO•-, and 875 cm-1 for dinuclear μ-η2:η2 for ArNO2-). The 15N NMR signal disappears for the ArNO•- species, establishing a unique diagnostic for the radical state. Electrochemical studies indicate reduction waves that are consistent with one-electron reduction of the adducts and are compared with studies performed on Cu-O2 analogues. DFT calculations were undertaken to confirm our experimental findings, notably to establish the nature of the charge-transfer transitions responsible for the intense green color of the complexes. In fine, this family of complexes is unique in that it walks through three redox states of the ArNO moiety while keeping the metal and its supporting ligand the same. This work provides snapshots of the reactivity of the toxic nitrosoarene molecules with the biologically relevant Cu(I) ion.
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Cuzan‐Munteanu O, Sirbu D, Giorgi M, Shova S, Gibson EA, Réglier M, Orio M, Martins LMDRS, Benniston AC. Neutral Lipophilic Palladium(II) Complexes and their Applications in Electrocatalytic Hydrogen Production and C‐C Coupling Reactions. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.201901283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Ren Y, Forté J, Cheaib K, Vanthuyne N, Fensterbank L, Vezin H, Orio M, Blanchard S, Desage-El Murr M. Optimizing Group Transfer Catalysis by Copper Complex with Redox-Active Ligand in an Entatic State. iScience 2020; 23:100955. [PMID: 32199288 PMCID: PMC7083792 DOI: 10.1016/j.isci.2020.100955] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 01/14/2020] [Accepted: 02/25/2020] [Indexed: 01/07/2023] Open
Abstract
Metalloenzymes use earth-abundant non-noble metals to perform high-fidelity transformations in the biological world. To ensure chemical efficiency, metalloenzymes have acquired evolutionary reactivity-enhancing tools. Among these, the entatic state model states that a strongly distorted geometry induced by ligands around a metal center gives rise to an energized structure called entatic state, strongly improving the reactivity. However, the original definition refers both to the transfer of electrons or chemical groups, whereas the chemical application of this concept in synthetic systems has mostly focused on electron transfer, therefore eluding chemical transformations. Here we report that a highly strained redox-active ligand enables a copper complex to perform catalytic nitrogen- and carbon-group transfer in as fast as 2 min, thus exhibiting a strong increase in reactivity compared with its unstrained analogue. This report combines two reactivity-enhancing features from metalloenzymes, entasis and redox cofactors, applied to group-transfer catalysis. We design a catalyst interfacing two reactivity-enhancing tools from metalloenzymes This work merges redox-active cofactors and entatic state reactivity The modifications in the coordination sphere lead to enhanced catalytic behavior These results open perspectives in bioinspired catalysis and group-transfer reactions
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Pieri C, Bhattacharjee A, Barrozo A, Faure B, Giorgi M, Fize J, Réglier M, Field M, Orio M, Artero V, Hardré R. Hydrogen evolution reaction mediated by an all-sulfur trinuclear nickel complex. Chem Commun (Camb) 2020; 56:11106-11109. [DOI: 10.1039/d0cc04174b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A trinuclear nickel complex with S-based ligands is reported as a bio-inspired model of the [NiFe] hydrogenases' active site. DFT calculations indicate that thiolate and thioether functions are involved as proton relays in the H2 evolution mechanism.
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Papadakis M, Barrozo A, Straistari T, Queyriaux N, Putri A, Fize J, Giorgi M, Réglier M, Massin J, Hardré R, Orio M. Ligand-based electronic effects on the electrocatalytic hydrogen production by thiosemicarbazone nickel complexes. Dalton Trans 2020; 49:5064-5073. [DOI: 10.1039/c9dt04775a] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
This work reports on the synthesis and characterization of a series of mononuclear thiosemicarbazone nickel complexes that display significant catalytic activity for hydrogen production in DMF using trifluoroacetic acid as the proton source.
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Barrozo A, Orio M. Molecular Electrocatalysts for the Hydrogen Evolution Reaction: Input from Quantum Chemistry. CHEMSUSCHEM 2019; 12:4905-4915. [PMID: 31557393 DOI: 10.1002/cssc.201901828] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 08/22/2019] [Indexed: 06/10/2023]
Abstract
In the pursuit of carbon-free fuels, hydrogen can be considered as an apt energy carrier. The design of molecular electrocatalysts for hydrogen production is important for the development of renewable energy sources that are abundant, inexpensive, and environmentally benign. Over the last 20 years, a large number of electrocatalysts have been developed, and considerable efforts have been directed toward the design of earth-abundant, first-row transition-metal complexes capable of promoting electrocatalytic hydrogen evolution reaction (HER). In this context, numerical approaches have emerged as powerful tools to study the catalytic performances of these complexes. This review covers some of the most significant theoretical mechanistic studies of biomimetic and bioinspired homogeneous HER catalysts. The approaches employed to study the free energy landscapes are discussed and methods used to obtain accurate estimates of relevant observables required to study the HER are presented. Furthermore, the structural and electronic parameters that govern the reactivity, and are necessary to achieve efficient hydrogen production, are discussed in view of future research directions.
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Wang L, Gennari M, Barrozo A, Fize J, Philouze C, Demeshko S, Meyer F, Orio M, Artero V, Duboc C. Role of the Metal Ion in Bio-Inspired Hydrogenase Models: Investigation of a Homodinuclear FeFe Complex vs Its Heterodinuclear NiFe Analogue. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03212] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Guerrin C, Aidibi Y, Sanguinet L, Leriche P, Aloise S, Orio M, Delbaere S. When Light and Acid Play Tic-Tac-Toe with a Nine-State Molecular Switch. J Am Chem Soc 2019; 141:19151-19160. [DOI: 10.1021/jacs.9b11048] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Esmieu C, Orio M, Ménage S, Torelli S. Influence of Copper Coordination Spheres on Nitrous Oxide Reductase (N2Or) Activity of a Mixed-Valent Copper Complex Containing a {Cu2S} Core. Inorg Chem 2019; 58:11649-11655. [DOI: 10.1021/acs.inorgchem.9b01594] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Panagiotakis S, Landrou G, Nikolaou V, Putri A, Hardré R, Massin J, Charalambidis G, Coutsolelos AG, Orio M. Efficient Light-Driven Hydrogen Evolution Using a Thiosemicarbazone-Nickel (II) Complex. Front Chem 2019; 7:405. [PMID: 31316966 PMCID: PMC6610430 DOI: 10.3389/fchem.2019.00405] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 05/20/2019] [Indexed: 11/23/2022] Open
Abstract
In the following work, we carried out a systematic study investigating the behavior of a thiosemicarbazone-nickel (II) complex (NiTSC-OMe) as a molecular catalyst for photo-induced hydrogen production. A comprehensive comparison regarding the combination of three different chromophores with this catalyst has been performed, using [Ir(ppy)2(bpy)]PF6, [Ru(bpy)3]Cl2 and [ZnTMePy]PCl4 as photosensitizers. Thorough evaluation of the parameters affecting the hydrogen evolution experiments (i.e., concentration, pH, solvent nature, and ratio), has been performed in order to probe the most efficient photocatalytic system, which was comprised by NiTSC-OMe and [Ir(ppy)2(bpy)]PF6 as catalyst and chromophore, respectively. The electrochemical together with the photophysical investigation clarified the properties of this photocatalytic system and allowed us to propose a possible reaction mechanism for hydrogen production.
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Kochem A, Faure B, Bertaina S, Rivière E, Giorgi M, Réglier M, Orio M, Simaan AJ. Front Cover: Magneto‐Structural and Computational Study of a Tetranuclear Copper Complex Displaying Carbonyl–π Interactions (Eur. J. Inorg. Chem. 47/2018). Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201801401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Kochem A, Faure B, Bertaina S, Rivière E, Giorgi M, Réglier M, Orio M, Simaan AJ. Magneto‐Structural and Computational Study of a Tetranuclear Copper Complex Displaying Carbonyl–π Interactions. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201801402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Kochem A, Faure B, Bertaina S, Rivière E, Giorgi M, Réglier M, Orio M, Simaan AJ. Magneto‐Structural and Computational Study of a Tetranuclear Copper Complex Displaying Carbonyl–π Interactions. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201801032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Brazzolotto D, Wang L, Tang H, Gennari M, Queyriaux N, Philouze C, Demeshko S, Meyer F, Orio M, Artero V, Hall MB, Duboc C. Tuning Reactivity of Bioinspired [NiFe]-Hydrogenase Models by Ligand Design and Modeling the CO Inhibition Process. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02830] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Dutoit CE, Stepanov A, van Tol J, Orio M, Bertaina S. Superlattice Induced by Charge Order in the Organic Spin Chain (TMTTF) 2X (X = SbF 6, AsF 6, and PF 6) Revealed by High-Field Electron Paramagnetic Resonance. J Phys Chem Lett 2018; 9:5598-5603. [PMID: 30084637 DOI: 10.1021/acs.jpclett.8b02070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We have investigated the charge ordering phase of the quasi-one-dimensional quantum antiferromagnet (TMTTF)2X (X = SbF6, AsF6, and PF6) using high-fields/frequency electron paramagnetic resonance. In addition to the uniform displacement of the counteranions involved in the charge-order phase, we report the existence of a superlattice between the spin chains in the direction c, caused by the space modulation of the charge order. When the field is high enough, the magnetic decoupling of the spin chains allows us to estimate the interaction between the chains, J c < 1 mK, three orders of magnitude lower than expected from the mean field theory.
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Eckshtain-Levi M, Lavi R, Arora H, Orio M, Benisvy L. Tuning the locus of oxidation in Cu-diamido-diphenoxo complexes: From Cu(III) to Cu(II)-phenoxyl radical. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.09.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Guerrin C, Szalóki G, Berthet J, Sanguinet L, Orio M, Delbaere S. Indolino-Oxazolidine Acido- and Photochromic System Investigated by NMR and Density Functional Theory Calculations. J Org Chem 2018; 83:10409-10419. [DOI: 10.1021/acs.joc.8b01482] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Straistari T, Hardré R, Fize J, Shova S, Giorgi M, Réglier M, Artero V, Orio M. Frontispiece: Hydrogen Evolution Reactions Catalyzed by a Bis(thiosemicarbazone) Cobalt Complex: An Experimental and Theoretical Study. Chemistry 2018. [DOI: 10.1002/chem.201883565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Chararalambidis G, Das S, Trapali A, Quaranta A, Orio M, Halime Z, Fertey P, Guillot R, Coutsolelos A, Leibl W, Aukauloo A, Sircoglou M. Water Molecules Gating a Photoinduced One-Electron Two-Protons Transfer in a Tyrosine/Histidine (Tyr/His) Model of Photosystem II. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804498] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Chararalambidis G, Das S, Trapali A, Quaranta A, Orio M, Halime Z, Fertey P, Guillot R, Coutsolelos A, Leibl W, Aukauloo A, Sircoglou M. Water Molecules Gating a Photoinduced One-Electron Two-Protons Transfer in a Tyrosine/Histidine (Tyr/His) Model of Photosystem II. Angew Chem Int Ed Engl 2018; 57:9013-9017. [DOI: 10.1002/anie.201804498] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Indexed: 11/10/2022]
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Straistari T, Hardré R, Massin J, Attolini M, Faure B, Giorgi M, Réglier M, Orio M. Cover Feature: Influence of the Metal Ion on the Electrocatalytic Hydrogen Production by a Thiosemicarbazone Palladium Complex (Eur. J. Inorg. Chem. 20‐21/2018). Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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47
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Straistari T, Hardré R, Fize J, Shova S, Giorgi M, Réglier M, Artero V, Orio M. Hydrogen Evolution Reactions Catalyzed by a Bis(thiosemicarbazone) Cobalt Complex: An Experimental and Theoretical Study. Chemistry 2018; 24:8779-8786. [DOI: 10.1002/chem.201801155] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Indexed: 11/11/2022]
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Straistari T, Hardré R, Massin J, Attolini M, Faure B, Giorgi M, Réglier M, Orio M. Influence of the Metal Ion on the Electrocatalytic Hydrogen Production by a Thiosemicarbazone Palladium Complex. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800120] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Oheix E, Orio M, Giorgi M, Réglier M, Iranzo O, Hardré RY. An Air‐Stable Molybdenum‐Based Precatalyst in Oxygen‐Atom Transfer Reactions. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201701410] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Ren Y, Cheaib K, Jacquet J, Vezin H, Fensterbank L, Orio M, Blanchard S, Desage-El Murr M. Copper-Catalyzed Aziridination with Redox-Active Ligands: Molecular Spin Catalysis. Chemistry 2018; 24:5086-5090. [PMID: 29356131 DOI: 10.1002/chem.201705649] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Indexed: 12/22/2022]
Abstract
Small-molecule catalysts as mimics of biological systems illustrate the chemists' attempts at emulating the tantalizing abilities displayed by nature's metalloenzymes. Among these innate behaviors, spin multistate reactivity is used by biological systems as it offers thermodynamic leverage towards challenging chemical reactivity but this concept is difficult to translate into the realm of synthetic organometallic catalysis. Here, we report a rare example of molecular spin catalysis involving multistate reactivity in a small-molecule biomimetic copper catalyst applied to aziridination. This behavior is supported by spin state flexibility enabled by the redox-active ligand.
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