Themed collection 2021 Green Chemistry Hot Articles

123 items - Showing page 1 of 2
Perspective

Ionic liquids for renewable thermal energy storage – a perspective

This Perspective discusses the evolution and promise of the emerging application of ionic liquids for renewable thermal energy storage.

Graphical abstract: Ionic liquids for renewable thermal energy storage – a perspective
From the themed collection: 2021 Green Chemistry Hot Articles
Perspective

Transition pathways towards net-zero emissions methanol production

The race to decarbonize our energy systems has led to significant advancement in technologies for harvesting renewable energy, carbon capture and conversion.

Graphical abstract: Transition pathways towards net-zero emissions methanol production
From the themed collection: 2021 Green Chemistry Hot Articles
Perspective

Biocatalysis in ionic liquids: state-of-the-union

This perspective reviews the current status and prospects of biocatalysis in ionic liquids.

Graphical abstract: Biocatalysis in ionic liquids: state-of-the-union
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Perspective

Chemical energy storage enables the transformation of fossil energy systems to sustainability

The enormous dimensions of sustainable energy transitions and their overarching systemic nature require adequate responses from chemical science.

Graphical abstract: Chemical energy storage enables the transformation of fossil energy systems to sustainability
From the themed collection: 2021 Green Chemistry Hot Articles
Tutorial Review

Research progress on the preparation and application of biomass derived methyl levulinate

The research works on preparation and application of biomass derived methyl levulinate were summarized. The problems, corresponding solutions, and future research directions in this field were proposed.

Graphical abstract: Research progress on the preparation and application of biomass derived methyl levulinate
From the themed collection: 2021 Green Chemistry Hot Articles
Tutorial Review

Porous organic polymers as metal free heterogeneous organocatalysts

This review addresses the current literature on porous organic polymers (POPs) as a new class of metal free green heterogeneous catalysts.

Graphical abstract: Porous organic polymers as metal free heterogeneous organocatalysts
From the themed collection: 2021 Green Chemistry Hot Articles
Tutorial Review

Reductive depolymerization as an efficient methodology for the conversion of plastic waste into value-added compounds

Reductive depolymerization allows the valorization of polyester, polycarbonate and polyamide waste in a wide variety of value-added compounds with good yields

Graphical abstract: Reductive depolymerization as an efficient methodology for the conversion of plastic waste into value-added compounds
From the themed collection: 2021 Green Chemistry Hot Articles
Tutorial Review

Cross-dehydrogenative coupling: a sustainable reaction for C–C bond formations

We provide a review of the progress of cross-dehydrogenative coupling reactions in constructing a wide variety of C–C bonds. Sustainable cross-dehydrogenative coupling reactions can be combined with multiple forms of energy output.

Graphical abstract: Cross-dehydrogenative coupling: a sustainable reaction for C–C bond formations
From the themed collection: 2021 Green Chemistry Hot Articles
Tutorial Review

Aqueous redox flow batteries: How ‘green’ are the redox active materials?

Development of active materials in aqueous organic redox flow battery contributes to the aspect of green technology. The ‘greenness’ of synthetic methodologies for preparing active materials are evaluated using the 12 principles of green chemistry.

Graphical abstract: Aqueous redox flow batteries: How ‘green’ are the redox active materials?
From the themed collection: 2021 Green Chemistry Hot Articles
Tutorial Review

Research progress on the photocatalytic activation of methane to methanol

This review presents the recent progress of the photocatalytic conversion of CH4 to CH3OH from four aspects: photocatalysts, oxidants, sacrificial reagents, and CH4 activation mechanisms, along with its current status and existing challenges.

Graphical abstract: Research progress on the photocatalytic activation of methane to methanol
From the themed collection: 2021 Green Chemistry Hot Articles
Tutorial Review

Fundamentals of cellulose lightweight materials: bio-based assemblies with tailored properties

Cellulose building blocks can be assembled into lightweight materials with properties tailored by the density and the morphology.

Graphical abstract: Fundamentals of cellulose lightweight materials: bio-based assemblies with tailored properties
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Tutorial Review

Applied biocatalysis beyond just buffers – from aqueous to unconventional media. Options and guidelines

It's not only lipases which can be applied in alternative solvent systems to meet industrial and environmental demands. At the hand of case studies and flowcharts this review quickly shows what solvent systems are viable.

Graphical abstract: Applied biocatalysis beyond just buffers – from aqueous to unconventional media. Options and guidelines
From the themed collection: 2021 Green Chemistry Hot Articles
Tutorial Review

Tandem catalysis: one-pot synthesis of cyclic organic carbonates from olefins and carbon dioxide

One-pot tandem procedures represent a green and general approach towards process intensification as they are intrinsically simpler compared to the conventional stepwise processes, do not require intermediate isolation and are generally more efficient.

Graphical abstract: Tandem catalysis: one-pot synthesis of cyclic organic carbonates from olefins and carbon dioxide
From the themed collection: 2021 Green Chemistry Hot Articles
Critical Review

Biological carbon fixation: a thermodynamic perspective

Changes of Gibbs free energy made insights into the carbon fixation pathways from thermodynamic perspective.

Graphical abstract: Biological carbon fixation: a thermodynamic perspective
From the themed collection: 2021 Green Chemistry Hot Articles
Critical Review

Hydrothermal amination of biomass to nitrogenous chemicals

This review presents the conversion routes, processing strategies, state-of-the-art technical advances, challenges and perspectives in hydrothermal amination of N-rich biomass sources and N-free biomass feedstocks to nitrogenous chemicals.

Graphical abstract: Hydrothermal amination of biomass to nitrogenous chemicals
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Critical Review

Continuous flow asymmetric synthesis of chiral active pharmaceutical ingredients and their advanced intermediates

This review surveys continuous flow approaches for the synthesis of chiral APIs and their advanced stereogenic intermediates, covering the utilization of biocatalysis, organometallic catalysis and metal-free organocatalysis to introduce asymmetry.

Graphical abstract: Continuous flow asymmetric synthesis of chiral active pharmaceutical ingredients and their advanced intermediates
From the themed collection: 2021 Green Chemistry Hot Articles
Critical Review

Recycling of spent lithium-ion batteries in view of green chemistry

This research could provide a guideline for implementing green chemistry principles into spent LIBs recycling.

Graphical abstract: Recycling of spent lithium-ion batteries in view of green chemistry
From the themed collection: 2021 Green Chemistry Hot Articles
Critical Review

Microplastics from textile origin – emission and reduction measures

Emission of fibrous microplastics from synthetic textile washing to the aquatic environment via wastewater treatment plant and reduction measures.

Graphical abstract: Microplastics from textile origin – emission and reduction measures
From the themed collection: 2021 Green Chemistry Hot Articles
Critical Review

A review of thermal and thermocatalytic valorization of food waste

A review of thermal and thermocatalytic valorization of food waste into biobased platform chemicals. A detailed summary of process level and fundamental kinetic insights are provided towards upgrading FW to useful products for a circular economy.

Graphical abstract: A review of thermal and thermocatalytic valorization of food waste
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Critical Review

CO2 valorisation towards alcohols by Cu-based electrocatalysts: challenges and perspectives

Advances and strategies of electrocatalytic CO2 conversion to alcohols on Cu-based catalysts is assessed with an outlook of current challenges for a practical application of this technology.

Graphical abstract: CO2 valorisation towards alcohols by Cu-based electrocatalysts: challenges and perspectives
From the themed collection: 2021 Green Chemistry Hot Articles
Critical Review

A review on key design and operational parameters to optimize and develop hydrothermal liquefaction of biomass for biorefinery applications

This paper summarizes the existing hydrothermal liquefaction process literature and reveals the effect of process parameters on the bio-crude yield.

Graphical abstract: A review on key design and operational parameters to optimize and develop hydrothermal liquefaction of biomass for biorefinery applications
From the themed collection: 2021 Green Chemistry Hot Articles
Critical Review

Oxidative dehydrogenation of light alkanes with carbon dioxide

In this critical review, the recent advances of the CO2-assisted catalytic dehydrogenation of light alkanes are summarized.

Graphical abstract: Oxidative dehydrogenation of light alkanes with carbon dioxide
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Critical Review

Route efficiency assessment and review of the synthesis of β-nucleosides via N-glycosylation of nucleobases

Instead of focusing on maximizing glycosylation yield, future syntheses of nucleosides via N-glycosylation should aim to use shorter routes, fewer protecting groups and less chromatography to achieve more efficient and sustainable processes, as this E-factor analysis reveals.

Graphical abstract: Route efficiency assessment and review of the synthesis of β-nucleosides via N-glycosylation of nucleobases
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Stepwise benzylic oxygenation via uranyl-photocatalysis

Stepwise oxygenation of benzylic molecules with uranyl photocatalysis was realized under ambient conditions. The accuracy of the stepwise oxygenation was ensured by the tunability of redox potential in uranyl photocatalysis through solvents and additives.

Graphical abstract: Stepwise benzylic oxygenation via uranyl-photocatalysis
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Ionic liquids or eutectic solvents? Identifying the best solvents for the extraction of astaxanthin and β-carotene from Phaffia rhodozyma yeast and preparation of biodegradable films

Cholinium-based eutectic solvents as a promising and sustainable solution for the extraction of carotenoids from microbial biomass and the preparation of biodegradable active biofilms.

Graphical abstract: Ionic liquids or eutectic solvents? Identifying the best solvents for the extraction of astaxanthin and β-carotene from Phaffia rhodozyma yeast and preparation of biodegradable films
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Communication

OrganoSoxhlet: circular fractionation to produce pulp for textiles using CO2 as acid source

Organosolv pulping performed in a high-pressure Soxhlet extractor using carbon dioxide as a mild and recyclable acid is described.

Graphical abstract: OrganoSoxhlet: circular fractionation to produce pulp for textiles using CO2 as acid source
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Photo-induced direct alkynylation of methane and other light alkanes by iron catalysis

An iron-catalysed photoredox alkynylation of methane, ethane, and other light alkanes is developed as a concise and efficient approach to valuable internal alkyne synthesis.

Graphical abstract: Photo-induced direct alkynylation of methane and other light alkanes by iron catalysis
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Soft and effective detoxification of a VX simulant in a nylon 3D printed basic flow reactor

A flow reactor was designed, manufactured by 3D printing, and modified to promote the selective ethanolysis of a chemical warfare agent VX surrogate.

Graphical abstract: Soft and effective detoxification of a VX simulant in a nylon 3D printed basic flow reactor
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

N-Butylpyrrolidone (NBP) as a non-toxic substitute for NMP in iron-catalyzed C(sp2)–C(sp3) cross-coupling of aryl chlorides

Although iron catalyzed cross-couplings show extraordinary promise in reducing the environmental impact of more toxic metals, one of the main challenges is the use of reprotoxic NMP (NMP = N-methylpyrrolidone) as the key ligand.

Graphical abstract: N-Butylpyrrolidone (NBP) as a non-toxic substitute for NMP in iron-catalyzed C(sp2)–C(sp3) cross-coupling of aryl chlorides
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Grow it yourself composites: delignification and hybridisation of lignocellulosic material using animals and fungi

We hybridised lignocellulose microfibres with a fungal derived nanoscale chitin-β-glucan network produce hydrophobic papers with improved tensile properties.

Graphical abstract: Grow it yourself composites: delignification and hybridisation of lignocellulosic material using animals and fungi
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Selective C(sp3)–H activation of simple alkanes: visible light-induced metal-free synthesis of phenanthridines with H2O2 as a sustainable oxidant

A visible light-induced metal-free C(sp3)–H phenanthridinylation of simple alkanes with isonitrile is developed with H2O2 as a terminal sustainable oxidant.

Graphical abstract: Selective C(sp3)–H activation of simple alkanes: visible light-induced metal-free synthesis of phenanthridines with H2O2 as a sustainable oxidant
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Constructing single Cu–N3 sites for CO2 electrochemical reduction over a wide potential range

A strategy was developed to obtain Cu–N3 sites in a Cu–N-doped carbon-based catalyst by utilizing metal ionic liquid as a precursor. The catalyst showed a high CO faradaic efficiency and a high current density within a wide potential range.

Graphical abstract: Constructing single Cu–N3 sites for CO2 electrochemical reduction over a wide potential range
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Communication

A micro-spray-based high-throughput screening system for bioplastic-degrading microorganisms

A facile and efficient method for bioplastic degrading microorganism screening based on a micro-spray system is developed. The potential of this approach was validated by isolating various bioplastic degrading bacteria from the activated sludge.

Graphical abstract: A micro-spray-based high-throughput screening system for bioplastic-degrading microorganisms
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Flow-through solvolysis enables production of native-like lignin from biomass

Flow-through solvolysis offers an opportunity to limit lignin condensation reactions that prevent isolation of native lignin in biomass processing, thus allowing for the study of intrinsic lignin properties and steady-state lignin depolymerization.

Graphical abstract: Flow-through solvolysis enables production of native-like lignin from biomass
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Photocatalytic carbon dioxide reduction coupled with benzylamine oxidation over Zn-Bi2WO6 microflowers

Here, we demonstrate for the first time the formation of Zn-Bi2WO6 microflowers for the simultaneous photocatalytic CO2 reduction and benzylamine oxidation in absence of sacrificial agent or oxidant, and achieve high efficiency of energy utilization.

Graphical abstract: Photocatalytic carbon dioxide reduction coupled with benzylamine oxidation over Zn-Bi2WO6 microflowers
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Protecting-group-free S-glycosylation towards thioglycosides and thioglycopeptides in water

A facile and green S-glycosylation method is developed, in which Ca(OH)2 promoted the coupling of protection-group-free fluoride donors and thiol acceptors in water, affording various thioglycosides and thioglycopeptides.

Graphical abstract: Protecting-group-free S-glycosylation towards thioglycosides and thioglycopeptides in water
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Convenient synthesis of spiroindolenines from tryptamine-derived isocyanides and organic azides by cobalt catalysis in pure water

A sustainable synthesis of spiroindolenines from tryptamine-derived isocyanides and organic azides in pure water was described.

Graphical abstract: Convenient synthesis of spiroindolenines from tryptamine-derived isocyanides and organic azides by cobalt catalysis in pure water
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Fenton chemistry enables the catalytic oxidative rearrangement of indoles using hydrogen peroxide

The discovery of iron(II) bromide and cerium(III) bromide as a bifunctional catalyst enables the oxidative rearrangement of indoles with hydrogen peroxide as the terminal oxidant.

Graphical abstract: Fenton chemistry enables the catalytic oxidative rearrangement of indoles using hydrogen peroxide
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Communication

Biodegradable nanocomposite of poly(ester-co-carbonate) and cellulose nanocrystals for tough tear-resistant disposable bags

The “3C-tuning” via chemical designing and nanocompositing upgrades mechanical performances of poly(butylene succinate) to a remarkable level with accelerated biodegradation.

Graphical abstract: Biodegradable nanocomposite of poly(ester-co-carbonate) and cellulose nanocrystals for tough tear-resistant disposable bags
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Aqueous chemoenzymatic one-pot enantioselective synthesis of tertiary α-aryl cycloketones via Pd-catalyzed C–C formation and enzymatic C[double bond, length as m-dash]C asymmetric hydrogenation

Aqueous chemoenzymatic two-step one-pot enantioselective synthesis of tertiary α-aryl cycloketones via Pd-catalyzed C–C formation and enzymatic C[double bond, length as m-dash]C asymmetric hydrogenation was developed.

Graphical abstract: Aqueous chemoenzymatic one-pot enantioselective synthesis of tertiary α-aryl cycloketones via Pd-catalyzed C–C formation and enzymatic C [[double bond, length as m-dash]] C asymmetric hydrogenation
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Activation of hydrogen peroxide by the nitrate anion in micellar media

Surface-active imidazolium nitrates activate hydrogen peroxide, which enables the epoxidation of olefins. The micelles solubilise the substrate in the aqueous oxidant phase and allow for simple product separation and catalyst recycling.

Graphical abstract: Activation of hydrogen peroxide by the nitrate anion in micellar media
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Communication

Synthesis of dense porous layered double hydroxides from struvite

An atom economic synthesis of dense porous layered double hydroxides (SLDHs) using an undesirable waste in wastewater treatment plants (struvite) is reported. The obtained SLDHs show high specific surface area, large pore volume and high density.

Graphical abstract: Synthesis of dense porous layered double hydroxides from struvite
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

(Hexamethylbenzene)Ru catalysts for the Aldehyde-Water Shift reaction

The Aldehyde-Water Shift (AWS) reaction uses H2O as a benign oxidant to convert aldehydes to carboxylic acids, producing H2, a valuable reagent and fuel, as its sole byproduct.

Graphical abstract: (Hexamethylbenzene)Ru catalysts for the Aldehyde-Water Shift reaction
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Halogen-free fixation of carbon dioxide into cyclic carbonates via bifunctional organocatalysts

Bifunctional organocatalysts bearing diamine and carboxylic acid groups efficiently catalyze the coupling reaction of CO2 with epoxides under halogen-free conditions due to a synergy effect.

Graphical abstract: Halogen-free fixation of carbon dioxide into cyclic carbonates via bifunctional organocatalysts
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Communication

A sustainable and scalable multicomponent continuous flow process to access fused imidazoheterocycle pharmacophores

A sustainable flow process has been established for the application of the Gröebke–Blackburn–Bienaymé reaction for access to high-value fused heteroaromatics.

Graphical abstract: A sustainable and scalable multicomponent continuous flow process to access fused imidazoheterocycle pharmacophores
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Transition-metal-free synthesis of thiazolidin-2-ones and 1,3-thiazinan-2-ones from arylamines, elemental sulfur and CO2

A multi-component reaction of arylamines, elemental sulfur and CO2 (1 atm) is reported to generate valuable thiazolidin-2-ones and 1,3-thiazinan-2-ones in moderate to good yields under transition-metal-free reaction conditions.

Graphical abstract: Transition-metal-free synthesis of thiazolidin-2-ones and 1,3-thiazinan-2-ones from arylamines, elemental sulfur and CO2
From the themed collection: 2021 Green Chemistry Hot Articles
Communication

Palladium-catalyzed synthesis of 4-cyclohexylmorpholines from reductive coupling of aryl ethers and lignin model compounds with morpholines

4-Cyclohexylmorpholines could be efficiently synthesized from reductive coupling of aryl ethers (including the typical lignin model compounds) with morpholines over Pd/C without using any acidic additives.

Graphical abstract: Palladium-catalyzed synthesis of 4-cyclohexylmorpholines from reductive coupling of aryl ethers and lignin model compounds with morpholines
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Identification and quantification of lignin monomers and oligomers from reductive catalytic fractionation of pine wood with GC × GC – FID/MS

Comprehensive HT-GC × GC FID/MS enables reliable detection and quantification of RCF lignin monomers, dimers and, trimers.

Graphical abstract: Identification and quantification of lignin monomers and oligomers from reductive catalytic fractionation of pine wood with GC × GC – FID/MS
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Formation of a nylon-6 micro/nano-fiber assembly through a low energy reactive melt spinning process

Caprolactam anionic polymerization was used to achieve suitable melt viscosity for drawing into ultra-fine fibers. The process temperature was well below that of the melting point of nylon 6.

Graphical abstract: Formation of a nylon-6 micro/nano-fiber assembly through a low energy reactive melt spinning process
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Formation of pharmaceutical salts and cocrystals via vapour-assisted tumbling (VAT) – a solvent efficient process

Crystallisations on both the academic and industrial scale often use large volumes of solvent.

Graphical abstract: Formation of pharmaceutical salts and cocrystals via vapour-assisted tumbling (VAT) – a solvent efficient process
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Engineering cellulose into water soluble poly(protic ionic liquid) electrolytes in the DBU/CO2/DMSO solvent system as an organocatalyst for the Knoevenagel condensation reaction

Linear water soluble cellulosic poly(protic ionic liquid) electrolytes were facilely and atom economically prepared after dissolution of cellulose in a DBU/CO2/DMSO solvent system, and can be used as an efficient catalyst for the Knoevenagel condensation reaction in water.

Graphical abstract: Engineering cellulose into water soluble poly(protic ionic liquid) electrolytes in the DBU/CO2/DMSO solvent system as an organocatalyst for the Knoevenagel condensation reaction
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Water-removable ynamide coupling reagent for racemization-free syntheses of peptides, amides, and esters

A water-removable ynamide coupling reagent for racemization-free construction of amide and ester bonds was reported. No column chromatography purification was involved because acidic aqueous work-up removed the byproduct completely.

Graphical abstract: Water-removable ynamide coupling reagent for racemization-free syntheses of peptides, amides, and esters
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Paper

A class of surfactants via PEG modification of the oleate moiety of lactonic sophorolipids: synthesis, characterisation and application

A family of new bio-based surfactants have been prepared via the epoxidation and PEGylation of lactonic sophorolipids. This modification enhances their performance and diversifying their potential applications.

Graphical abstract: A class of surfactants via PEG modification of the oleate moiety of lactonic sophorolipids: synthesis, characterisation and application
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Catalytic upcycling of PVC waste-derived phthalate esters into safe, hydrogenated plasticizers

Recycling of end-of-life polyvinyl chloride (PVC) calls for solutions to deal with the vast amounts of harmful phthalate plasticizers that have historically been incorporated in PVC.

Graphical abstract: Catalytic upcycling of PVC waste-derived phthalate esters into safe, hydrogenated plasticizers
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Chrome-free tanning agent based on epoxy-modified dialdehyde starch towards sustainable leather making

As a biomass tanning agent, epoxy-modified dialdehyde starch can significantly improve the comprehensive properties of finished leather, and is expected to be a novel sustainable chrome-free tanning agent replace traditional tanning agent.

Graphical abstract: Chrome-free tanning agent based on epoxy-modified dialdehyde starch towards sustainable leather making
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Plastic waste to drug intermediate: targeted cleavage of C–O bonds in polyphenylene oxide to 3,5-dimethyl phenol

Starting from polyphenylene oxide plastic, the selective production of 3,5-dimethyl phenol as an important pharmaceutical intermediate was achieved over Ru/Nb2O5, which is the first example of integrating waste plastic into the drug supply chain.

Graphical abstract: Plastic waste to drug intermediate: targeted cleavage of C–O bonds in polyphenylene oxide to 3,5-dimethyl phenol
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Paper

Developing iron-based anionic redox couples for thermogalvanic cells: towards the replacement of the ferricyanide/ferrocyanide redox couple

Thermogalvanic devices require anionic and cationic species; the rational development of safe(r) iron-based anionic redox couples was explored.

Graphical abstract: Developing iron-based anionic redox couples for thermogalvanic cells: towards the replacement of the ferricyanide/ferrocyanide redox couple
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Paper

Micellar catalysis of the Suzuki Miyaura reaction using biogenic Pd nanoparticles from Desulfovibrio alaskensis

Nano-micelles meet biogenic Pd nanoparticles at the cell membrane promoting Suzuki Miyaura coupling reactions under mild conditions.

Graphical abstract: Micellar catalysis of the Suzuki Miyaura reaction using biogenic Pd nanoparticles from Desulfovibrio alaskensis
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Milligram-scale, temperature-controlled ball milling to provide an informed basis for scale-up to reactive extrusion

It is demonstrated that temperature-controlled ball milling is a key component for scaling up small-scale mechanochemistry.

Graphical abstract: Milligram-scale, temperature-controlled ball milling to provide an informed basis for scale-up to reactive extrusion
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Solvent effect on xylose-to-furfural reaction in biphasic systems: combined experiments with theoretical calculations

The promotion efficiency of organic solvents in biphasic systems for furfural production is influenced by four factors, and the most important factor is the solvation free energy of furfural (ΔGsol-ff) in organic solvents.

Graphical abstract: Solvent effect on xylose-to-furfural reaction in biphasic systems: combined experiments with theoretical calculations
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Bimetallic RuNi nanoparticles as catalysts for upgrading biomass: metal dilution and solvent effects on selectivity shifts

Core–shell RuNi catalysts are prepared from organometallic complexes and PVP as stabilizers under one-pot conditions. The synergistic effect between Ru and Ni activity in furfural hydrogenation depends on the nanoparticle composition.

Graphical abstract: Bimetallic RuNi nanoparticles as catalysts for upgrading biomass: metal dilution and solvent effects on selectivity shifts
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Environment-friendly and efficient synthesis of 2-aminobenzo-xazoles and 2-aminobenzothiazoles catalyzed by Vitreoscilla hemoglobin incorporating a cobalt porphyrin cofactor

In this study, an environment-friendly and efficient artificial Vitreoscilla hemoglobin (VHb) for the synthesis of 2-aminobenzoxazoles and 2-aminobenzothiazoles has been reported.

Graphical abstract: Environment-friendly and efficient synthesis of 2-aminobenzo-xazoles and 2-aminobenzothiazoles catalyzed by Vitreoscilla hemoglobin incorporating a cobalt porphyrin cofactor
From the themed collection: 2021 Green Chemistry Hot Articles
Open Access Paper

Furfurylation protects timber from degradation by marine wood boring crustaceans

We fed furfurylated and control wood to gribble. Our results imply that furfurylation of wood protects against degradation by gribble without the reliance on broad spectrum biocides and can reduce costs associated with damaged wooden structures.

Graphical abstract: Furfurylation protects timber from degradation by marine wood boring crustaceans
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

A rigid plant oil-based thermoset with a furfural-derived cyclobutane cross-linker

Furfural-based hardener for cross-linking flexible epoxidized linseed oils leading to bulky biobased thermosets with high hardness and good ultimate strength.

Graphical abstract: A rigid plant oil-based thermoset with a furfural-derived cyclobutane cross-linker
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Chemo- and regioselective hydroformylation of alkenes with CO2/H2 over a bifunctional catalyst

Combining CO2 and H2 for chemo- and regioselective hydroformylation of alkenes has been realized. The key to success is the use of a bifunctional Rh/PTA catalyst, which can ingeniously combine efficient CO2 hydrogenation and hydroformylation.

Graphical abstract: Chemo- and regioselective hydroformylation of alkenes with CO2/H2 over a bifunctional catalyst
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Direct oxidative carboxylation of terminal olefins to cyclic carbonates by tungstate assisted-tandem catalysis

Cyclic organic carbonates can be prepared directly from various terminal olefins via green tandem tungstate-based catalysis.

Graphical abstract: Direct oxidative carboxylation of terminal olefins to cyclic carbonates by tungstate assisted-tandem catalysis
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Boosting NH3 production from nitrate electroreduction via electronic structure engineering of Fe3C nanoflakes

Optimized electronic structures of Fe3C/NC boosted NH3 production from nitrate electroreduction, which proceeded via a stepwise NO3–NO2–NH3 pathway.

Graphical abstract: Boosting NH3 production from nitrate electroreduction via electronic structure engineering of Fe3C nanoflakes
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Ball-milling synthesis of sulfonyl quinolines via coupling of haloquinolines with sulfonic acids

A practical and environment-friendly methodology for the construction of sulfonyl quinolines through ball milling promoted coupling of haloquinolines with sulfonic acid under metal-, base-, solvent- and additive-free conditions was developed.

Graphical abstract: Ball-milling synthesis of sulfonyl quinolines via coupling of haloquinolines with sulfonic acids
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Ionozyme: ionic liquids as solvent and stabilizer for efficient bioactivation of CO2

The first developed ionozyme that combines a discovered novel FDHPa with a synergistic ionic microenvironment enables efficient bioactivation of CO2.

Graphical abstract: Ionozyme: ionic liquids as solvent and stabilizer for efficient bioactivation of CO2
From the themed collection: 2021 Green Chemistry Hot Articles
Paper

Convenient C(sp3)–H bond functionalisation of light alkanes and other compounds by iron photocatalysis

A practical and green iron-catalyzed photoredox system for C–H functionalization of ethane, propane, and other light alkanes was developed.

Graphical abstract: Convenient C(sp3)–H bond functionalisation of light alkanes and other compounds by iron photocatalysis
From the themed collection: 2021 Green Chemistry Hot Articles
123 items - Showing page 1 of 2

About this collection

Welcome to our online rolling collection of the hottest work published in Green Chemistry. Here we feature all of the 2021 articles highlighted as HOT by our Editors and Referees. Congratulations to all those featured!

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