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Dupont J, Leal BC, Lozano P, Monteiro AL, Migowski P, Scholten JD. Ionic Liquids in Metal, Photo-, Electro-, and (Bio) Catalysis. Chem Rev 2024; 124:5227-5420. [PMID: 38661578 DOI: 10.1021/acs.chemrev.3c00379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Ionic liquids (ILs) have unique physicochemical properties that make them advantageous for catalysis, such as low vapor pressure, non-flammability, high thermal and chemical stabilities, and the ability to enhance the activity and stability of (bio)catalysts. ILs can improve the efficiency, selectivity, and sustainability of bio(transformations) by acting as activators of enzymes, selectively dissolving substrates and products, and reducing toxicity. They can also be recycled and reused multiple times without losing their effectiveness. ILs based on imidazolium cation are preferred for structural organization aspects, with a semiorganized layer surrounding the catalyst. ILs act as a container, providing a confined space that allows modulation of electronic and geometric effects, miscibility of reactants and products, and residence time of species. ILs can stabilize ionic and radical species and control the catalytic activity of dynamic processes. Supported IL phase (SILP) derivatives and polymeric ILs (PILs) are good options for molecular engineering of greener catalytic processes. The major factors governing metal, photo-, electro-, and biocatalysts in ILs are discussed in detail based on the vast literature available over the past two and a half decades. Catalytic reactions, ranging from hydrogenation and cross-coupling to oxidations, promoted by homogeneous and heterogeneous catalysts in both single and multiphase conditions, are extensively reviewed and discussed considering the knowledge accumulated until now.
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Affiliation(s)
- Jairton Dupont
- Institute of Chemistry - Universidade Federal do Rio Grande do Sul - UFRGS, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970 RS, Brasil
- Departamento de Bioquímica y Biología Molecular B e Inmunología, Facultad de Química, Universidad de Murcia, P.O. Box 4021, E-30100 Murcia, Spain
| | - Bárbara C Leal
- Institute of Chemistry - Universidade Federal do Rio Grande do Sul - UFRGS, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970 RS, Brasil
| | - Pedro Lozano
- Departamento de Bioquímica y Biología Molecular B e Inmunología, Facultad de Química, Universidad de Murcia, P.O. Box 4021, E-30100 Murcia, Spain
| | - Adriano L Monteiro
- Institute of Chemistry - Universidade Federal do Rio Grande do Sul - UFRGS, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970 RS, Brasil
| | - Pedro Migowski
- Institute of Chemistry - Universidade Federal do Rio Grande do Sul - UFRGS, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970 RS, Brasil
| | - Jackson D Scholten
- Institute of Chemistry - Universidade Federal do Rio Grande do Sul - UFRGS, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970 RS, Brasil
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Cao Q, Diefenbach M, Maguire C, Krewald V, Muldoon MJ, Hintermair U. Water co-catalysis in aerobic olefin epoxidation mediated by ruthenium oxo complexes. Chem Sci 2024; 15:3104-3115. [PMID: 38425537 PMCID: PMC10901482 DOI: 10.1039/d3sc05516g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 01/05/2024] [Indexed: 03/02/2024] Open
Abstract
We report the development of a versatile Ru-porphyrin catalyst system which performs the aerobic epoxidation of aromatic and aliphatic (internal) alkenes under mild conditions, with product yields of up to 95% and turnover numbers (TON) up to 300. Water is shown to play a crucial role in the reaction, significantly increasing catalyst efficiency and substrate scope. Detailed mechanistic investigations employing both computational studies and a range of experimental techniques revealed that water activates the RuVI di-oxo complex for alkene epoxidation via hydrogen bonding, stabilises the RuIV mono-oxo intermediate, and is involved in the regeneration of the RuVI di-oxo complex leading to oxygen atom exchange. Distinct kinetics are obtained in the presence of water, and side reactions involved in catalyst deactivation have been identified.
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Affiliation(s)
- Qun Cao
- School of Chemistry and Chemical Engineering, Queen's University Belfast Northern Ireland UK
- Dynamic Reaction Monitoring Facility, Institute for Sustainability, University of Bath UK
| | - Martin Diefenbach
- Theoretical Chemistry, Department of Chemistry, Technische Universität Darmstadt Germany
| | - Calum Maguire
- School of Chemistry and Chemical Engineering, Queen's University Belfast Northern Ireland UK
| | - Vera Krewald
- Theoretical Chemistry, Department of Chemistry, Technische Universität Darmstadt Germany
| | - Mark J Muldoon
- School of Chemistry and Chemical Engineering, Queen's University Belfast Northern Ireland UK
| | - Ulrich Hintermair
- Dynamic Reaction Monitoring Facility, Institute for Sustainability, University of Bath UK
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Ribó EG, Mao Z, Hirschi JS, Linsday T, Bach K, Walter ED, Simons CR, Zuehlsdorff TJ, Nyman M. Implementing vanadium peroxides as direct air carbon capture materials. Chem Sci 2024; 15:1700-1713. [PMID: 38303956 PMCID: PMC10829016 DOI: 10.1039/d3sc05381d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 11/22/2023] [Indexed: 02/03/2024] Open
Abstract
Direct air capture (DAC) removal of anthropogenic CO2 from the atmosphere is imperative to slow the catastrophic effects of global climate change. Numerous materials are being investigated, including various alkaline inorganic metal oxides that form carbonates via DAC. Here we explore metastable early d0 transition metal peroxide molecules that undergo stabilization via multiple routes, including DAC. Specifically here, we describe via experiment and computation the mechanistic conversion of A3V(O2)4 (tetraperoxovanadate, A = K, Rb, Cs) to first a monocarbonate VO(O2)2(CO3)3-, and ultimately HKCO3 plus KVO4. Single crystal X-ray structures of rubidium and cesium tetraperoxovanadate are reported here for the first time, likely prior-challenged by instability. Infrared spectroscopy (FTIR), powder X-ray diffraction (PXRD), 51V solid state NMR (nuclear magnetic resonance), tandem thermogravimetry-mass spectrometry (TGA-MS) along with calculations (DFT, density functional theory) all converge on mechanisms of CO2 capture and release that involve the vanadium centre, despite the end product of a 300 days study being bicarbonate and metavanadate. Electron Paramagnetic Resonance (EPR) Spectroscopy along with a wet chemical assay and computational studies evidence the presense of ∼5% adventitous superoxide, likely formed by peroxide reduction of vanadium, which also stabilizes via the reaction with CO2. The alkalis have a profound effect on the stability of the peroxovanadate compounds, stability trending K > Rb > Cs. While this translates to more rapid CO2 capture with heavier alkalis, it does not necessarily lead to capture of more CO2. All compounds capture approximately two equivalents CO2 per vanadium centre. We cannot yet explain the reactivity trend of the alkali peroxovanadates, because any change in speciation of the alkalis from reactions to product is not quantifiable. This study sets the stage for understanding and implementing transition metal peroxide species, including peroxide-functionalized metal oxides, for DAC.
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Affiliation(s)
| | - Zhiwei Mao
- Department of Chemistry, Oregon State University Corvallis OR 97331 USA
| | - Jacob S Hirschi
- Department of Chemistry, Oregon State University Corvallis OR 97331 USA
| | - Taylor Linsday
- Department of Chemistry, Oregon State University Corvallis OR 97331 USA
| | - Karlie Bach
- Department of Chemistry, Oregon State University Corvallis OR 97331 USA
| | - Eric D Walter
- Pacific Northwest National Laboratory, Environmental Molecular Sciences Laboratory Richland WA 99352 USA
| | | | - Tim J Zuehlsdorff
- Department of Chemistry, Oregon State University Corvallis OR 97331 USA
| | - May Nyman
- Department of Chemistry, Oregon State University Corvallis OR 97331 USA
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Gbe JLK, Ravi K, Tillous EK, Arya A, Grafouté M, Biradar AV. Designing of 3D Architecture Flower-like Mn-Promoted MgO and Its Application for CO 2 Adsorption and CO 2-Assisted Aerobic Oxidation of Alkylbenzenes. ACS APPLIED MATERIALS & INTERFACES 2023; 15:17879-17892. [PMID: 36995780 DOI: 10.1021/acsami.3c00726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Sustainable chemistry research prioritizes reducing atmospheric carbon dioxide, and one logical solution is to develop adsorbents suitable for carbon capture and utilization. In this work, a new family of three-dimensional (3D) flower-like Mn-promoted MgO was synthesized by the coprecipitation method and used as an adsorbent for CO2 capture and a catalyst for CO2 utilization. The scanning electron microscopy (SEM) analysis of the samples shows a 3D architecture composed of thin nanosheets. The X-ray diffraction (XRD) analysis confirms the presence of the MgO with a cubic structure, while X-ray photoelectron spectroscopy (XPS) reveals the existence of Mn particles as a combination of Mn3+ and Mn4+ ions on MgO. N2 adsorption-desorption experiments highlight the beneficial contribution of Mn particles to surface area enhancement and reveal the existence of mesopores. Furthermore, the designed 3D Mn-doped MgO as an adsorbent demonstrates its capability to improve the ability of MgO to adsorb CO2 (from 0.28 mmol/g for pure MgO to 0.74 mmol/g) in ambient conditions and it is regenerable up to 9 cycles with a slight variation after the third cycle. Moreover, Mn-doped MgO shows good catalyst activity for the oxidation of ethylbenzene derivatives to carbonyl compounds in the presence of CO2 and O2. Mn-15/MgO shows excellent catalytic behavior with a conversion of 97.4 and 100% selectivity. Also, it is regenerable with an insignificant decrease in conversion (∼11.63%) after seven cycles, while the selectivity of acetophenone remains stable. The analyses of the recycled sample suggest that the chemical compositions of Mn and Mg influence the catalytic activity of those Mn-promoted MgO materials. The role of CO2 gas in the aerobic oxidation of ethylbenzene to acetophenone has also been proved. Finally, the control experiments and EPR studies reveal that the reaction takes place through the formation of radicals.
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Affiliation(s)
- Jean-Louis K Gbe
- Inorganic Materials and Catalysis Division, CSIR-Central Salt & Marine Chemicals Research Institute (CSMCRI), Bhavnagar 364002, Gujarat, India
- Physics Department, Technology Laboratory, Felix Houphouet Boigny University of Cocody, Abidjan 00225, Côte d'Ivoire
| | - Krishnan Ravi
- Inorganic Materials and Catalysis Division, CSIR-Central Salt & Marine Chemicals Research Institute (CSMCRI), Bhavnagar 364002, Gujarat, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Eric Kessein Tillous
- Physics Department, Technology Laboratory, Felix Houphouet Boigny University of Cocody, Abidjan 00225, Côte d'Ivoire
| | - Aarti Arya
- AMS Lab, Separation Process Division, CSIR-Indian Institute of Petroleum (IIP), Dehradun 248005, Uttarakhand, India
| | - Moussa Grafouté
- Physics Department, Technology Laboratory, Felix Houphouet Boigny University of Cocody, Abidjan 00225, Côte d'Ivoire
| | - Ankush V Biradar
- Inorganic Materials and Catalysis Division, CSIR-Central Salt & Marine Chemicals Research Institute (CSMCRI), Bhavnagar 364002, Gujarat, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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Zhou Q, Zhang R, Li D, Ding B, Zheng A, Yao Y, Gong X, Hou Z. Ionic liquid-stabilized vanadium oxo-clusters catalyzing alkane oxidation by regulating oligovanadates. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01401j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The specific ionic liquid [TBA][Pic]-stabilized vanadium oxo-clusters exist in the form of a trimer and a dimer and are highly active for catalyzing C–H bond oxidation with H2O2 as an oxidant.
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Affiliation(s)
- Qingqing Zhou
- Key Laboratory for Advanced Materials
- Research Institute of Industrial Catalysis
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Ran Zhang
- Physics Department and Shanghai Key Laboratory of Magnetic Resonance
- East China Normal University
- Shanghai 200062
- China
| | - Difan Li
- Key Laboratory for Advanced Materials
- Research Institute of Industrial Catalysis
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Bingjie Ding
- Key Laboratory for Advanced Materials
- Research Institute of Industrial Catalysis
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Anna Zheng
- Key Laboratory for Advanced Materials
- Research Institute of Industrial Catalysis
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Yefeng Yao
- Physics Department and Shanghai Key Laboratory of Magnetic Resonance
- East China Normal University
- Shanghai 200062
- China
| | - Xueqing Gong
- Key Laboratory for Advanced Materials
- Research Institute of Industrial Catalysis
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Zhenshan Hou
- Key Laboratory for Advanced Materials
- Research Institute of Industrial Catalysis
- East China University of Science and Technology
- Shanghai 200237
- China
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Saikia G, Ahmed K, Rajkhowa C, Sharma M, Talukdar H, Islam NS. Polymer immobilized tantalum( v)–amino acid complexes as selective and recyclable heterogeneous catalysts for oxidation of olefins and sulfides with aqueous H 2O 2. NEW J CHEM 2019. [DOI: 10.1039/c9nj04180j] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Polymer supported peroxotantalate based heterogeneous catalysts served as highly efficient, selective and recyclable catalysts for alkene epoxidation and sulfide oxidation with green oxidant aqueous H2O2 under mild reaction conditions.
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Affiliation(s)
- Gangutri Saikia
- Dept. of Chemical Sciences
- Tezpur University
- Tezpur-784028
- India
| | - Kabirun Ahmed
- Dept. of Chemical Sciences
- Tezpur University
- Tezpur-784028
- India
| | | | - Mitu Sharma
- Dept. of Chemical Sciences
- Tezpur University
- Tezpur-784028
- India
| | - Hiya Talukdar
- Dept. of Chemical Sciences
- Tezpur University
- Tezpur-784028
- India
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