Ultrahigh-Performance Fiber-Supported Iron-Based Ionic Liquid for Synthesizing 3,4-Dihydropyrimidin-2-(1H)-ones in a Cleaner Manner

Langmuir, Journal Year: 2024, Volume and Issue: 40(18), P. 9579 - 9591

Published: April 24, 2024

Herein, a fiber-supported iron-based ionic liquid as type of fibrous catalyst has been developed for the synthesis bioactive 3,4-dihydropyrimidin-2-(1H)-ones (DHPMs) via three-component Biginelli reactions in cleaner manner. The described was obtained from commercially available polyetheretherketone (PEEK) fiber by postfunctionalization processes and characterized analyzed detail means diversified technologies. Furthermore, liquids could mediate classical to proceed smoothly gain variety substituted DHPMs with yields up 99%. superior catalytic activities were ascribed quasi-homogeneous medium generated surface layer PEEK fiber, which afford an appropriate reaction zone further be aggregation substrates facilitate reaction. Notably, is recycling over 10 runs just pair tweezers, operational procedure capable enlarging system gram-scale without any performance degradation, provided manner take advantage organic potential industrialization prospects.

Language: Английский

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Ionic Liquids in Metal, Photo-, Electro-, and (Bio) Catalysis

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(9), P. 5227 - 5420

Published: April 25, 2024

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, the ability to enhance activity stability of (bio)catalysts. ILs can improve efficiency, selectivity, sustainability bio(transformations) by acting activators enzymes, selectively dissolving substrates products, reducing toxicity. They also be recycled reused multiple times without losing their effectiveness. based on imidazolium cation are preferred structural organization aspects, with a semiorganized layer surrounding catalyst. act container, providing confined space allows modulation electronic geometric effects, miscibility reactants residence time species. stabilize ionic radical species control catalytic dynamic processes. Supported IL phase (SILP) derivatives polymeric (PILs) good options molecular engineering greener The major factors governing metal, photo-, electro-, biocatalysts in discussed detail vast literature available over past two half decades. Catalytic reactions, ranging from hydrogenation cross-coupling oxidations, promoted homogeneous heterogeneous catalysts both single multiphase conditions, extensively reviewed considering knowledge accumulated until now.

Language: Английский

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Techniques for recovery and recycling of ionic liquids: A review

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 922, P. 171238 - 171238

Published: Feb. 27, 2024

Due to beneficial properties like non-flammability, thermal stability, low melting point and vapor pressure, ionic liquids (ILs) have gained great interest from engineers researchers in the past decades replace conventional solvents. The superior characteristics of ILs make them promising for applications fields as wide-ranging pharmaceuticals, foods, nanoparticles synthesis, catalysis, electrochemistry so on. To alleviate high cost environmental impact ILs, various technologies been reported recover purify used well recycling ILs. aim this article is overview state-of-the-art research on recovery including membrane technology, distillation, extraction, aqueous two-phase system (ATPS) adsorption. In addition, challenges future perspectives are discussed. This review expected provide valuable insights developing effective environmentally friendly methods

Language: Английский

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Reactive capture and electrochemical conversion of CO₂ with ionic liquids and deep eutectic solvents

Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(17), P. 8563 - 8631

Published: Jan. 1, 2024

Ionic liquids (ILs) and deep eutectic solvents (DESs) have tremendous potential for reactive capture of CO 2 , due to their highly properties, including a wide electrochemical stability window, low volatility, high solubility.

Language: Английский

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Computer-Aided Molecular Design of Ionic Liquids as Advanced Process Media: A Review from Fundamentals to Applications

Chemical Reviews, Journal Year: 2023, Volume and Issue: 124(2), P. 248 - 317

Published: Dec. 18, 2023

The unique physicochemical properties, flexible structural tunability, and giant chemical space of ionic liquids (ILs) provide them a great opportunity to match different target properties work as advanced process media. crux the matter is how efficiently reliably tailor suitable ILs toward specific application. In this regard, computer-aided molecular design (CAMD) approach has been widely adapted cover family high-profile chemicals, that is, perform IL (CAILD). This review discusses past developments have contributed state-of-the-art CAILD provides perspective about future works could pursue acceleration practical application ILs. broad context CAILD, key aspects related forward structure–property modeling reverse are overviewed. For former task, diverse representations, algorithms, well representative models on physical thermodynamic among others introduced. latter formulating scenarios summarized. Beyond substantial progress made, some perspectives move step finally provided.

Language: Английский

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Thermo‐ and Photocatalytic Activation of CO₂ in Ionic Liquids Nanodomains

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(31)

Published: March 13, 2023

Ionic liquids (ILs) are considered to be potential material devices for CO2 capturing and conversion energy-adducts. They form a cage (confined-space) around the catalyst providing an ionic nano-container environment which serves as physical-chemical barrier that selectively controls diffusion of reactants, intermediates, products catalytic active sites via their hydrophobicity contact ion pairs. Hence, electronic properties catalysts in ILs can tuned by proper choice IL-cations anions strongly influence residence time/diffusion nano-environment. On other hand, provide driving force towards photocatalytic redox process increase photoreduction. By combining with semiconductor, unique solid semiconductor-liquid commodities generated lower activation energy modulating semiconductor surface. This mini-review provides brief overview recent advances IL assisted thermal hydrocarbons, formic acid, methanol, dimethyl carbonate, cyclic carbonates well its photo-conversion solar fuels.

Language: Английский

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A magnetic pore-confined catalyst with ionic liquids supported on MOFs for the synthesis of aryl-oxazolidinones: design, performance, and recyclability

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 481, P. 148678 - 148678

Published: Jan. 11, 2024

Language: Английский

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Ruthenium Single-Atom Anchored in Polyoxometalate-Ionic Liquids for N-Formylation of Amines with CO₂ and H₂

ACS Catalysis, Journal Year: 2023, Volume and Issue: 13(15), P. 10295 - 10308

Published: July 24, 2023

In this work, we have developed a Ru single-atom substituted polyoxometalate-based ionic liquid ([TOMA6SiW11O39Ru(dmso)], TOMA = methyltrioctylammonium, named as Ru-POM-IL) and confirmed that the is anchored into framework of POM. The binary (IL) system, composed POM-based IL 1-butyl-3-methyl-imidazolium acetate (BMImOAc), exhibits high efficiency for N-formylation amines with CO2 H2, leading to formylamides yields in toluene-IL biphasic media. characterization by laser confocal scanning microscopy reveals specific sponge-like structure IL, facilitating efficient contact between catalytic active sites substrate molecules. Detailed investigations elucidate reaction proceeds via pathway formate intermediates, including adsorption activation BMImOAc, morpholine-assisted heterolytic splitting H2 Ru–Hδ- species Hδ+ attachment morpholine N center; coupling afford species; then dehydration intermediates formamides. system offered advantages efficiency, robustness, recyclability reaction.

Language: Английский

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Advanced research and prospects on polymer ionic liquids: trends, potential and application

Green Chemistry, Journal Year: 2023, Volume and Issue: 25(22), P. 9001 - 9019

Published: Jan. 1, 2023

Polymer chains endow PILs with unique aggregation structures and morphologies that are inaccessible to monomeric ILs, making them a sustainable material allowing be used in various applications.

Language: Английский

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Towards Surface‐Enhanced Homogeneous Catalysis: Tailoring the Enrichment of Metal Complexes at Ionic Liquid Surfaces

Angewandte Chemie International Edition, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 19, 2025

Abstract When talking about homogeneous catalyst systems, it has long been assumed that the system at hand consists of a transition metal complex in solution with liquid interface representing composition bulk solution. Now, light considerable developments study complexes dissolved ionic liquids their negligible vapor pressures, more detailed studies liquid/gas became possible. These investigations revealed pronounced surface enrichment and segregation effects high relevance for practical applications. This article reviews recent advancements tailoring interfacial liquid‐based catalytic systems. A particular focus is dedicated to phenomena, variety parameters are presented deliberate control local concentration surface, is, nature ligands, concentration, temperature, IL solvent. As experimental methods, angle‐resolved X‐ray photoelectron spectroscopy (ARXPS) vacuum‐based pendant‐drop tension measurements were applied. The reviewed results intended provide basis advancement systems areas, such as supported phase (SILP) catalysis, where design directly interconnected performance.

Language: Английский

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