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Themed collection 2018 Green Chemistry Hot Articles

39 items
Tutorial Review

Conservative evolution and industrial metabolism in Green Chemistry

Chemical substances and processes that play a fundamental role in the 12 principles of Green Chemistry representing conservative evolution and/or industrial metabolism were reviewed.

Graphical abstract: Conservative evolution and industrial metabolism in Green Chemistry
From the themed collection: 2018 Green Chemistry Hot Articles
Critical Review

The Green ChemisTREE: 20 years after taking root with the 12 principles

A broad overview of the achievements and emerging areas in the field of Green Chemistry.

Graphical abstract: The Green ChemisTREE: 20 years after taking root with the 12 principles
From the themed collection: 2018 Green Chemistry Hot Articles
Critical Review

Decarboxylative reactions with and without light – a comparison

Carboxylic acids have gained more and more importance as versatile and renewable starting materials for the formation of platform molecules or high-value chemicals.

Graphical abstract: Decarboxylative reactions with and without light – a comparison
From the themed collection: 2018 Green Chemistry Hot Articles
Critical Review

The reactions of dimethyl carbonate and its derivatives

The worldwide urge to embrace a sustainable and bio-compatible chemistry has led industry and academia to develop chlorine-free methodologies focused on the use of CO2-based compounds, such as dimethyl carbonate, as feedstocks, promoters and reaction media.

Graphical abstract: The reactions of dimethyl carbonate and its derivatives
From the themed collection: 2018 Green Chemistry Hot Articles
Communication

Electrochemical oxidative radical oxysulfuration of styrene derivatives with thiols and nucleophilic oxygen sources

The first example of the electrochemical oxysulfuration reaction of alkenes with thiols and nucleophilic oxygen sources has been reported.

Graphical abstract: Electrochemical oxidative radical oxysulfuration of styrene derivatives with thiols and nucleophilic oxygen sources
From the themed collection: 2018 Green Chemistry Hot Articles
Communication

Mechanochemistry for “no solvent, no base” preparation of hydantoin-based active pharmaceutical ingredients: nitrofurantoin and dantrolene

The gram-scale mechanochemical preparation of marketed drugs Nitrofurantoin and Dantrolene is herein reported.

Graphical abstract: Mechanochemistry for “no solvent, no base” preparation of hydantoin-based active pharmaceutical ingredients: nitrofurantoin and dantrolene
From the themed collection: 2018 Green Chemistry Hot Articles
Communication

Rethinking Co(CO3)0.5(OH)·0.11H2O: a new property for highly selective electrochemical reduction of carbon dioxide to methanol in aqueous solution

Co(CO3)0.5(OH)·0.11H2O: a new property for highly selective electroreduction of CO2 to CH3OH.

Graphical abstract: Rethinking Co(CO3)0.5(OH)·0.11H2O: a new property for highly selective electrochemical reduction of carbon dioxide to methanol in aqueous solution
From the themed collection: 2018 Green Chemistry Hot Articles
Communication

Real-time reaction control for solar production of chemicals under fluctuating irradiance

A simple and inexpensive reaction control system mitigates the impact of solar irradiance fluctuations on the conversion of a sunlight-powered photochemical reaction, affording constant product quality.

Graphical abstract: Real-time reaction control for solar production of chemicals under fluctuating irradiance
From the themed collection: 2018 Green Chemistry Hot Articles
Communication

Mechanochemistry – a new powerful green approach to the direct synthesis of alkoxysilanes

The present work shows a new one-stage mechanochemical method for the direct synthesis of alkoxysilanes.

Graphical abstract: Mechanochemistry – a new powerful green approach to the direct synthesis of alkoxysilanes
From the themed collection: 2018 Green Chemistry Hot Articles
Communication

A more sustainable and efficient access to IMes·HCl and IPr·HCl by ball-milling

A user and environmentally friendly synthesis of the widely used N-heterocyclic carbene (NHC) precursors was realized using mechanochemistry.

Graphical abstract: A more sustainable and efficient access to IMes·HCl and IPr·HCl by ball-milling
From the themed collection: 2018 Green Chemistry Hot Articles
Communication

Decarboxylation of α,β-unsaturated aromatic lactones: synthesis of E-ortho-hydroxystilbenes from 3-arylcoumarins or isoaurones

A simple and eco-friendly strategy for the synthesis of E-ortho-hydroxystilbenes from two kinds of α,β-unsaturated aromatic lactones is described.

Graphical abstract: Decarboxylation of α,β-unsaturated aromatic lactones: synthesis of E-ortho-hydroxystilbenes from 3-arylcoumarins or isoaurones
From the themed collection: 2018 Green Chemistry Hot Articles
Communication

Recyclable Cu/C3N4 composite catalysed homo- and cross-coupling of terminal alkynes under mild conditions

A facile, practical and recyclable Cu–N–C composite catalyst with good catalytic activity for both homo- & cross-coupling of terminal alkynes.

Graphical abstract: Recyclable Cu/C3N4 composite catalysed homo- and cross-coupling of terminal alkynes under mild conditions
From the themed collection: 2018 Green Chemistry Hot Articles
Communication

Ni-Catalyzed chemoselective alcoholysis of N-acyloxazolidinones

We report the first Ni(cod)2/bipyr.-catalyzed alcoholysis of N-acyloxazolidinones to deliver esters.

Graphical abstract: Ni-Catalyzed chemoselective alcoholysis of N-acyloxazolidinones
From the themed collection: 2018 Green Chemistry Hot Articles
Communication

Rhodium-catalyzed intermolecular C(sp3)–H amination in a purely aqueous system

An efficient Rh-catalyzed intermolecular C(sp3)–H amination in a purely aqueous system is developed for the first time.

Graphical abstract: Rhodium-catalyzed intermolecular C(sp3)–H amination in a purely aqueous system
From the themed collection: 2018 Green Chemistry Hot Articles
Open Access Communication

Utilization of fluoroform for difluoromethylation in continuous flow: a concise synthesis of α-difluoromethyl-amino acids

Difluoromethylated esters, malonates and amino acids (including the drug eflornithine) are obtained by a gas–liquid continuous flow protocol employing the abundant waste product fluoroform as an atom-efficient reagent.

Graphical abstract: Utilization of fluoroform for difluoromethylation in continuous flow: a concise synthesis of α-difluoromethyl-amino acids
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Ionic liquid ion exchange: exclusion from strong interactions condemns cations to the most weakly interacting anions and dictates reaction equilibrium

Ion exchange is determined by the interaction energy and impacts process performance by change of physicochemical properties and reactivity.

Graphical abstract: Ionic liquid ion exchange: exclusion from strong interactions condemns cations to the most weakly interacting anions and dictates reaction equilibrium
From the themed collection: 2018 Green Chemistry Hot Articles
Open Access Paper

Scalable thin-layer membrane reactor for heterogeneous and homogeneous catalytic gas–liquid reactions

Scalable, sustainable, and safe thin-layer membrane reactor can potentially accelerate the adoption of heterogeneous and homogenous catalytic gas–liquid reactions in the pharmaceutical and fine chemical industries.

Graphical abstract: Scalable thin-layer membrane reactor for heterogeneous and homogeneous catalytic gas–liquid reactions
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Supported gold- and silver-based catalysts for the selective aerobic oxidation of 5-(hydroxymethyl)furfural to 2,5-furandicarboxylic acid and 5-hydroxymethyl-2-furancarboxylic acid

The oxidation of HMF is performed using highly active heterogeneous gold- and, for the first time, silver-based catalysts.

Graphical abstract: Supported gold- and silver-based catalysts for the selective aerobic oxidation of 5-(hydroxymethyl)furfural to 2,5-furandicarboxylic acid and 5-hydroxymethyl-2-furancarboxylic acid
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Repurposing bacterial extracellular matrix for selective and differential abstraction of rare earth elements

Highly robust engineered protein matrices derived from bacteria were used to isolate rare earth elements from mixtures of metals. The filters were re-used over multiple cycles and the bound REE were readily recovered.

Graphical abstract: Repurposing bacterial extracellular matrix for selective and differential abstraction of rare earth elements
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Programming cascade reactions interfacing biocatalysis with transition-metal catalysis in Deep Eutectic Solvents as biorenewable reaction media

Transition-metal complexes and purified ketoreductases work together in eutectic mixtures for the synthesis of enantiopure secondary alcohols.

Graphical abstract: Programming cascade reactions interfacing biocatalysis with transition-metal catalysis in Deep Eutectic Solvents as biorenewable reaction media
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Trihalide ionic liquids as non-volatile oxidizing solvents for metals

Various trihalide ionic liquids were prepared and used as non-volatile solvent to oxidatively dissolve metals.

Graphical abstract: Trihalide ionic liquids as non-volatile oxidizing solvents for metals
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Life-cycle assessment and techno-economic analysis of the utilization of bio-oil components for the production of three chemicals

Bio-based chemicals have gained more widespread attention than bio-fuels because of the decline in crude oil prices.

Graphical abstract: Life-cycle assessment and techno-economic analysis of the utilization of bio-oil components for the production of three chemicals
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Carbene-catalyzed aerobic oxidation of isoquinolinium salts: efficient synthesis of isoquinolinones

A mild and environmentally friendly carbene-catalyzed aerobic oxidation of isoquinolinium salts was successfully realized.

Graphical abstract: Carbene-catalyzed aerobic oxidation of isoquinolinium salts: efficient synthesis of isoquinolinones
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Enhanced H2 evolution from photocatalytic cellulose conversion based on graphitic carbon layers on TiO2/NiOx

An enhanced photoreforming of biomass was achieved by loading a graphitic carbon layer on TiO2/NiOx nanoparticles.

Graphical abstract: Enhanced H2 evolution from photocatalytic cellulose conversion based on graphitic carbon layers on TiO2/NiOx
From the themed collection: 2018 Green Chemistry Hot Articles
Open Access Paper

Robust open cellular porous polymer monoliths made from cured colloidal gels of latex particles

Preparation of polymer monoliths from the coagulation of particles, synthesized by soap-free emulsion polymerisation, using water as the only solvent.

Graphical abstract: Robust open cellular porous polymer monoliths made from cured colloidal gels of latex particles
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Catalytic cascade conversion of furfural to 1,4-pentanediol in a single reactor

The selective transformation of furfural to 1,4-pentanediol has been achieved with up to 90% yield in a CO2/H2/H2O system over Ru catalytic species supported on a mesoporous carbon.

Graphical abstract: Catalytic cascade conversion of furfural to 1,4-pentanediol in a single reactor
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

An eco-compatible pathway to new hydrotropes from tetraols

An eco-compatible two-step synthesis for the production of new hydrotropes with attractive salt tolerance and solubilizing properties.

Graphical abstract: An eco-compatible pathway to new hydrotropes from tetraols
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Three-dimensional porous graphene-like sheets synthesized from biocarbon via low-temperature graphitization for a supercapacitor

Synthetic procedure of three-dimensional porous graphene-like sheets via low-temperature graphitization.

Graphical abstract: Three-dimensional porous graphene-like sheets synthesized from biocarbon via low-temperature graphitization for a supercapacitor
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Electrochemical production of syngas from CO2 captured in switchable polarity solvents

Switchable polarity solvents allowed for the first time the electrochemical reduction of captured CO2 for an efficient production of syngas.

Graphical abstract: Electrochemical production of syngas from CO2 captured in switchable polarity solvents
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Lewis pairs for ring-opening alternating copolymerization of cyclic anhydrides and epoxides

Simple and low-toxic Lewis pairs were introduced for ring-opening alternating copolymerization of anhydrides and epoxides to prepare diversified polyesters.

Graphical abstract: Lewis pairs for ring-opening alternating copolymerization of cyclic anhydrides and epoxides
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Excitation of H2O at the plasma/water interface by UV irradiation for the elevation of ammonia production

An interfacial reaction between the UV irradiated water phase (H˙ provides) and the electron-discharged nitrogen-gas phase (N atom provides) produces ammonia efficiently.

Graphical abstract: Excitation of H2O at the plasma/water interface by UV irradiation for the elevation of ammonia production
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

A strategy of ketalization for the catalytic selective dehydration of biomass-based polyols over H-beta zeolite

A strategy is presented to control the etherification site in sugar alcohols via ketalization of the terminal vicinal-diol group with a ketone.

Graphical abstract: A strategy of ketalization for the catalytic selective dehydration of biomass-based polyols over H-beta zeolite
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Low energy recycling of ionic liquids via freeze crystallization during cellulose spinning

An energy saving method of freeze crystallization for recycling ionic liquids was investigated in a cellulose spinning process.

Graphical abstract: Low energy recycling of ionic liquids via freeze crystallization during cellulose spinning
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Metal-free tandem cyclization/hydrosilylation to construct tetrahydroquinoxalines

B(C6F5)3-Catalyzed tandem cyclization/hydrosilylation for the step-economical construction of 1,2,3,4-tetrahydroquinoxalines from readily available starting materials has been developed.

Graphical abstract: Metal-free tandem cyclization/hydrosilylation to construct tetrahydroquinoxalines
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Waste-minimised copper-catalysed azide–alkyne cycloaddition in Polarclean as a reusable and safe reaction medium

Herein we report the first example of a generally useful organic reaction, namely the copper-catalysed azide–alkyne cycloaddition, performed in a Polarclean/water mixture as a reaction medium.

Graphical abstract: Waste-minimised copper-catalysed azide–alkyne cycloaddition in Polarclean as a reusable and safe reaction medium
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Mechanistic studies of base-catalysed lignin depolymerisation in dimethyl carbonate

Various analytical techniques and DFT calculations have been applied in studying base-catalysed lignin degradation in dimethyl carbonate.

Graphical abstract: Mechanistic studies of base-catalysed lignin depolymerisation in dimethyl carbonate
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Heterogeneous hydroformylation of long-chain alkenes in IL-in-oil Pickering emulsion

An IL-in-oil Pickering emulsion prepared with Rh-sulfo-xantphos as the catalyst and dendritic mesoporous silica nanospheres as the stabilizer could efficiently catalyze the hydroformylation of 1-dodecene to afford TOF as high as 413 h−1.

Graphical abstract: Heterogeneous hydroformylation of long-chain alkenes in IL-in-oil Pickering emulsion
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

High performance man-made cellulosic fibres from recycled newsprint

High performance man-made cellulosic fibres from recycled newsprint.

Graphical abstract: High performance man-made cellulosic fibres from recycled newsprint
From the themed collection: 2018 Green Chemistry Hot Articles
Paper

Towards sustainable manufacture of epichlorohydrin from glycerol using hydrotalcite-derived basic oxides

Regenerable hydrotalcite-derived Mg–Al oxide is an effective heterogeneous base to avoid waste formation and enable halogen recycling in the glycerol-to-epichlorohydrin process.

Graphical abstract: Towards sustainable manufacture of epichlorohydrin from glycerol using hydrotalcite-derived basic oxides
From the themed collection: 2018 Green Chemistry Hot Articles
39 items

About this collection

Welcome to our online rolling collection of the hottest work published in Green Chemistry. Here we feature all the 2018 Green Chemistry articles highlighted as HOT by the handling editor or our referees. Congratulations to all the authors whose articles are featured.

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