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Themed collection 2017 Green Chemistry Hot Articles

57 articles
Perspective

Bioprivileged molecules: creating value from biomass

Bioprivileged molecules generated from biomass can be converted to both novel molecules and drop-in replacements.

Graphical abstract: Bioprivileged molecules: creating value from biomass
From the themed collection: 2017 Green Chemistry Hot Articles
Tutorial Review

Heterogeneous Diels–Alder catalysis for biomass-derived aromatic compounds

This review highlights Diels–Alder heterogeneous catalysis for the production of biomass-derived aromatic compounds.

Graphical abstract: Heterogeneous Diels–Alder catalysis for biomass-derived aromatic compounds
From the themed collection: 2017 Green Chemistry Hot Articles
Tutorial Review

Metal–organic frameworks meet scalable and sustainable synthesis

Inspired by recent commercialisation of metal–organic frameworks, this review highlights challenges and recent advances in developing scalable and sustainable metal–organic synthesis.

Graphical abstract: Metal–organic frameworks meet scalable and sustainable synthesis
From the themed collection: 2017 Green Chemistry Hot Articles
Tutorial Review

Intensification studies of heterogeneous catalysts: probing and overcoming catalyst deactivation during liquid phase operation

In addition to high levels of activity and selectivity, promising heterogeneous catalysts must also possess sufficient levels of stability. This tutorial review covers the topic of heterogeneous catalyst deactivation during liquid phase operation.

Graphical abstract: Intensification studies of heterogeneous catalysts: probing and overcoming catalyst deactivation during liquid phase operation
From the themed collection: 2017 Green Chemistry Hot Articles
Critical Review

Application of microwave-assisted heterogeneous catalysis in sustainable synthesis design

Recent advances in the application of microwave-assisted heterogeneous catalytic synthesis approaches are reviewed with additional inputs on the energy efficiency and scale-up of microwave-assisted synthesis.

Graphical abstract: Application of microwave-assisted heterogeneous catalysis in sustainable synthesis design
From the themed collection: 2017 Green Chemistry Hot Articles
Critical Review

Chemically recyclable polymers: a circular economy approach to sustainability

Developing recyclable polymers provides a solution to materials' end-of-life issues and also an approach to establish a circular materials economy.

Graphical abstract: Chemically recyclable polymers: a circular economy approach to sustainability
From the themed collection: 2017 Green Chemistry Hot Articles
Critical Review

Lignin transformations for high value applications: towards targeted modifications using green chemistry

We provide a critical review of green processes enabling the fractionation and/or depolymerization of lignin towards value-added products.

Graphical abstract: Lignin transformations for high value applications: towards targeted modifications using green chemistry
From the themed collection: 2017 Green Chemistry Hot Articles
Critical Review

Lithium-ion batteries for sustainable energy storage: recent advances towards new cell configurations

Sustainable energy storage may be achieved by using advanced lithium-ion battery configurations with high energy, low cost and environmental compatibility.

Graphical abstract: Lithium-ion batteries for sustainable energy storage: recent advances towards new cell configurations
From the themed collection: 2017 Green Chemistry Hot Articles
Critical Review

Syngas production from electrochemical reduction of CO2: current status and prospective implementation

The opportunities and challenges for exploiting the production of syngas from the electrochemical reduction of CO2 are critically reviewed and analysed.

Graphical abstract: Syngas production from electrochemical reduction of CO2: current status and prospective implementation
From the themed collection: 2017 Green Chemistry Hot Articles
Critical Review

Biomass-derived solvents as effective media for cross-coupling reactions and C–H functionalization processes

Palladium-catalyzed cross-coupling reactions are indispensable tools in molecular syntheses with numerous applications in academia and for the practitioners in the chemical and pharmaceutical industries.

Graphical abstract: Biomass-derived solvents as effective media for cross-coupling reactions and C–H functionalization processes
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Tandem deprotection/coupling for peptide synthesis in water at room temperature

A tandem deprotection/coupling sequence is reported for solution-phase peptide synthesis in water under micellar catalysis conditions using the designer surfactant TPGS-750-M.

Graphical abstract: Tandem deprotection/coupling for peptide synthesis in water at room temperature
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Potassium isopropyl xanthate (PIX): an ultra-efficient palladium scavenger

The increasing employment of palladium-catalyzed reactions in the synthesis of active pharmaceutical ingredients (APIs) has created a pressing need for ultra-efficient palladium removal of the resulting metal contaminants.

Graphical abstract: Potassium isopropyl xanthate (PIX): an ultra-efficient palladium scavenger
Communication

Atom- and step-economical nucleophilic arylation of azaaromatics via electrochemical oxidative cross C–C coupling reactions

A simple and efficient electrochemical method for the synthesis of asymmetrical bi(het)aryls through direct functionalization of the C(sp2)–H bond in azaaromatics with fragments of (hetero)aromatic nucleophiles has been developed.

Graphical abstract: Atom- and step-economical nucleophilic arylation of azaaromatics via electrochemical oxidative cross C–C coupling reactions
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Organic sponge photocatalysis

A polydimethylsiloxane organic sponge photocatalyst: high efficiency and reusability for visible light mediated cross-dehydrogenative coupling reactions. Through an easy-to-build continuous flow reactor, the sponge photocatalytic reaction can be facilely scaled up.

Graphical abstract: Organic sponge photocatalysis
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Incorporation of carbon dioxide into phthalides via ligand-free copper-catalyzed direct carboxylation of benzoxasiloles

The synthesis of a wide range of phthalides was achieved through a copper-catalyzed carboxylation reaction of benzoxasiloles.

Graphical abstract: Incorporation of carbon dioxide into phthalides via ligand-free copper-catalyzed direct carboxylation of benzoxasiloles
From the themed collection: 2017 Green Chemistry Hot Articles
Open Access Communication

Cellulose acetate as a convenient intermediate for the preparation of 5-acetoxymethylfurfural from biomass

A new method for the synthesis of AMF based on the acetolysis of cellulose acetate is reported. Cellulose acetate prepared by wood acetylation can be applied as a precursor, offering possibilities for integrated biomass processing.

Graphical abstract: Cellulose acetate as a convenient intermediate for the preparation of 5-acetoxymethylfurfural from biomass
From the themed collection: 2017 Green Chemistry Hot Articles
Open Access Communication

Organocatalytic valorisation of glycerol via a dual NHC-catalysed telescoped reaction

NHC-catalysis enables the successful functionalisation of glycerol through a telescoped reaction strategy involving carbonation and the subsequent oxidative esterification.

Graphical abstract: Organocatalytic valorisation of glycerol via a dual NHC-catalysed telescoped reaction
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Metal-free intramolecular amino-acyloxylation of 2-aminostyrene with carboxylic acid for the synthesis of 3-acyloxyl indolines in water

A metal-free amino-acyloxylation of 2-aminostyrene was developed for the synthesis of 3-acyloxyl indolines.

Graphical abstract: Metal-free intramolecular amino-acyloxylation of 2-aminostyrene with carboxylic acid for the synthesis of 3-acyloxyl indolines in water
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Effective separation of aromatic and aliphatic amino acid mixtures using ionic-liquid-based aqueous biphasic systems

Ionic-liquid-based aqueous biphasic systems allow an efficient and selective separation of aliphatic and aromatic amino acid mixtures usually present in protein hydrolysates or fermentation broths.

Graphical abstract: Effective separation of aromatic and aliphatic amino acid mixtures using ionic-liquid-based aqueous biphasic systems
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

A copper-catalyzed oxidative coupling reaction of arylboronic acids, amines and carbon dioxide using molecular oxygen as the oxidant

A Cu-catalyzed oxidative coupling reaction of arylboronic acids, amines and carbon dioxide is described, providing a route to O-aryl carbamates.

Graphical abstract: A copper-catalyzed oxidative coupling reaction of arylboronic acids, amines and carbon dioxide using molecular oxygen as the oxidant
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Continuous flow ring-closing metathesis, an environmentally-friendly route to 2,5-dihydro-1H-pyrrole-3-carboxylates

Ring-closing metathesis, realized in continuous flow using dimethyl carbonate as a solvent, allowed us to convert up to 10 g of dienes into important building blocks.

Graphical abstract: Continuous flow ring-closing metathesis, an environmentally-friendly route to 2,5-dihydro-1H-pyrrole-3-carboxylates
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Highly efficient aqueous phase chemoselective hydrogenation of α,β-unsaturated aldehydes catalysed by phosphine-decorated polymer immobilized IL-stabilized PdNPs

An aqueous phase hydrogenation of α,β-unsaturated aldehydes with remarkable selectivity for the C[double bond, length as m-dash]C double bond under mild conditions.

Graphical abstract: Highly efficient aqueous phase chemoselective hydrogenation of α,β-unsaturated aldehydes catalysed by phosphine-decorated polymer immobilized IL-stabilized PdNPs
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Cu(I)-Doped carbon quantum dots with zigzag edge structures for highly efficient catalysis of azide–alkyne cycloadditions

Cu(I)-CQDs with zigzag-shaped edges were prepared and used for a highly efficient catalysis of the Huisgen 1,3-dipolar cycloaddition that was made possible owing to their rapid release of Cu(I).

Graphical abstract: Cu(i)-Doped carbon quantum dots with zigzag edge structures for highly efficient catalysis of azide–alkyne cycloadditions
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Air-induced double addition of P(O)–H bonds to alkynes: a clean and practical method for the preparation of 1,2-bisphosphorylethanes

An air-induced double addition of diphenyl phosphine oxide to various alkynes is reported.

Graphical abstract: Air-induced double addition of P(O)–H bonds to alkynes: a clean and practical method for the preparation of 1,2-bisphosphorylethanes
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

N2O-Free single-pot conversion of cyclohexane to adipic acid catalysed by an iron(II) scorpionate complex

Iron catalysed efficient single-pot adipic acid synthesis by cyclohexane oxidation with ozone in a solvent-, heating-, radiation- and N2O-free protocol.

Graphical abstract: N2O-Free single-pot conversion of cyclohexane to adipic acid catalysed by an iron(ii) scorpionate complex
From the themed collection: 2017 Green Chemistry Hot Articles
Open Access Communication

Towards environmentally acceptable synthesis of chiral α-hydroxy ketones via oxidase-lyase cascades

Product precipitation as well as a smart reaction design was applied for the synthesis of chiral hydroxyketones on preparative scale.

Graphical abstract: Towards environmentally acceptable synthesis of chiral α-hydroxy ketones via oxidase-lyase cascades
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Chlorohydrination of allyl chloride with HCl and H2O2 catalyzed by hollow titanium silicate zeolite to produce dichloropropanol

A novel chlorohydrination process of allyl chloride with HCl and H2O2 catalyzed by hollow titanium silicate zeolite has been developed, overcoming the significant drawbacks of traditional Cl2-based route.

Graphical abstract: Chlorohydrination of allyl chloride with HCl and H2O2 catalyzed by hollow titanium silicate zeolite to produce dichloropropanol
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

A facile and simple method for synthesis of graphene oxide quantum dots from black carbon

We developed a simple and facile one-pot hydrothermal methods for synthesis of GO-dots without the need to use strong concentrated acid and the entire synthetic process only took 90 min.

Graphical abstract: A facile and simple method for synthesis of graphene oxide quantum dots from black carbon
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

An in situ formed Ca2+–crown ether complex and its use in CO2-fixation reactions with terminal and internal epoxides

Calcium punched beyond its weight: An in situ formed Ca2+–crown ether complex showed unprecedented efficiency in cyclic carbonate synthesis.

Graphical abstract: An in situ formed Ca2+–crown ether complex and its use in CO2-fixation reactions with terminal and internal epoxides
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Role of oxygenates and effect of operating conditions in the deactivation of a Ni supported catalyst during the steam reforming of bio-oil

This work investigates the correlation of the reaction conditions and the reaction medium composition with the deactivation behavior of a Ni/La2O3-αAl2O3 catalyst used in the steam reforming of bio-oil.

Graphical abstract: Role of oxygenates and effect of operating conditions in the deactivation of a Ni supported catalyst during the steam reforming of bio-oil
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Chemical composition and stability of renewable hydrocarbon products generated from a hydropyrolysis vapor upgrading process

The unique feature of a two-step ex situ hydropyrolysis vapor upgrading process for producing infrastructure-compatible cellulosic biofuels has been demonstrated for the first time using a double fluidized-bed reactor system.

Graphical abstract: Chemical composition and stability of renewable hydrocarbon products generated from a hydropyrolysis vapor upgrading process
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Fatty acid based biocarbonates: Al-mediated stereoselective preparation of mono-, di- and tricarbonates under mild and solvent-less conditions

Various epoxidised fatty acids are conveniently converted into biocarbonates under mild and solvent-less conditions with unprecedented high levels of diastereoselectivity.

Graphical abstract: Fatty acid based biocarbonates: Al-mediated stereoselective preparation of mono-, di- and tricarbonates under mild and solvent-less conditions
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

A two-phase system for the clean and high yield synthesis of furylmethane derivatives over –SO3H functionalized ionic liquids

A new and effective unique two-phase reaction system for the high yield production of tri(furyl)methane from furfural and furan.

Graphical abstract: A two-phase system for the clean and high yield synthesis of furylmethane derivatives over –SO3H functionalized ionic liquids
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Iridium-catalyzed highly efficient chemoselective reduction of aldehydes in water using formic acid as the hydrogen source

A highly efficient iridium catalyst is developed for the chemoselective reduction of aldehydes to alcohols in water, using formic acid as a reductant.

Graphical abstract: Iridium-catalyzed highly efficient chemoselective reduction of aldehydes in water using formic acid as the hydrogen source
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Heterogeneous catalysts for the cyclization of dicarboxylic acids to cyclic anhydrides as monomers for bioplastic production

Niobic acid catalyzes the condensation of biomass-derived dicarboxylic acids into cyclic anhydrides, key intermediates of carbon-neutral and biodegradable polyesters.

Graphical abstract: Heterogeneous catalysts for the cyclization of dicarboxylic acids to cyclic anhydrides as monomers for bioplastic production
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Phase-out-compliant fluorosurfactants: unique methimazolium derivatives including room temperature ionic liquids

Fluoroalkylations of the medicinal drug 1-methyl-3H-imidazole-2-thione provide high yields of superior surfactants with reduced toxicity.

Graphical abstract: Phase-out-compliant fluorosurfactants: unique methimazolium derivatives including room temperature ionic liquids
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Increasing global access to the high-volume HIV drug nevirapine through process intensification

Fundamental elements of process intensification were applied to generate efficient batch and continuous syntheses of the high-volume HIV drug nevirapine.

Graphical abstract: Increasing global access to the high-volume HIV drug nevirapine through process intensification
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

A scalable carboxylation route to furan-2,5-dicarboxylic acid

2-Furoic acid is converted to furan-2,5-dicarboxylic acid in high yield on a mole scale using carbonate-promoted C–H carboxylation.

Graphical abstract: A scalable carboxylation route to furan-2,5-dicarboxylic acid
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Multi-electron redox phenazine for ready-to-charge organic batteries

A new class of multi-electron redox phenazine was proposed to build ready-to-charge sustainable organic batteries.

Graphical abstract: Multi-electron redox phenazine for ready-to-charge organic batteries
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Mechanochemical Suzuki polycondensation – from linear to hyperbranched polyphenylenes

Mechanochemical Suzuki polycondensation offers a sustainable alternative to classical solvent based approaches, affording high yields and short reaction times.

Graphical abstract: Mechanochemical Suzuki polycondensation – from linear to hyperbranched polyphenylenes
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Is water a suitable solvent for the catalytic amination of alcohols?

The catalytic aqueous-phase amination of biogenic alcohols with solid catalysts is reported for future development of renewable amine value-added chains.

Graphical abstract: Is water a suitable solvent for the catalytic amination of alcohols?
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Phenolic acetals from lignins of varying compositions via iron(III) triflate catalysed depolymerisation

A small lignin library was used to study the relationship between the lignin structure and the aromatic product yields during acidolysis.

Graphical abstract: Phenolic acetals from lignins of varying compositions via iron(iii) triflate catalysed depolymerisation
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Biphasic extraction of mechanocatalytically-depolymerized lignin from water-soluble wood and its catalytic downstream processing

During saccharification of water-soluble wood, a dual 2-MeTHF/water solvent system enables extraction of low molecular weight lignin fragments.

Graphical abstract: Biphasic extraction of mechanocatalytically-depolymerized lignin from water-soluble wood and its catalytic downstream processing
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Selective conversion of bio-derived ethanol to renewable BTX over Ga-ZSM-5

The exchanged Ga(III) sites are the active sites for promoting BTX formation during ethanol conversion.

Graphical abstract: Selective conversion of bio-derived ethanol to renewable BTX over Ga-ZSM-5
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Identification of high performance solvents for the sustainable processing of graphene

Combined computational screening and practical assessment of >10 000 solvents for the sustainable liquid exfoliation of graphite to graphene.

Graphical abstract: Identification of high performance solvents for the sustainable processing of graphene
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Nitrogen-doped carbon nanotubes encapsulate cobalt nanoparticles as efficient catalysts for aerobic and solvent-free selective oxidation of hydrocarbons

The selective oxidation of hydrocarbons to the corresponding ketones with solvent-free and molecular oxygen as an oxidant is of great importance in academic and industrial fields in view of economy and environment.

Graphical abstract: Nitrogen-doped carbon nanotubes encapsulate cobalt nanoparticles as efficient catalysts for aerobic and solvent-free selective oxidation of hydrocarbons
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Nanoparticulate Pt on mesoporous SBA-15 doped with extremely low amount of W as a highly selective catalyst for glycerol hydrogenolysis to 1,3-propanediol

A Pt/W–SBA-15 catalyst with an extremely low W/Si atomic ratio of 1/640 affords 1,3-PDO with high selectivity and yield in the hydrogenolysis of glycerol.

Graphical abstract: Nanoparticulate Pt on mesoporous SBA-15 doped with extremely low amount of W as a highly selective catalyst for glycerol hydrogenolysis to 1,3-propanediol
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Understanding factors controlling depolymerization and polymerization in catalytic degradation of β-ether linked model lignin compounds by versatile peroxidase

Insights into reaction conditions and structural features of lignin that facilitate its versatile peroxidase catalyzed depolymerization.

Graphical abstract: Understanding factors controlling depolymerization and polymerization in catalytic degradation of β-ether linked model lignin compounds by versatile peroxidase
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Direct conversion of cellulose to high-yield methyl lactate over Ga-doped Zn/H-nanozeolite Y catalysts in supercritical methanol

For realizing sustainable bio-based refineries, it is crucial to obtain high yields of value-added chemicals via direct conversion of cellulose and lignocellulosic biomass.

Graphical abstract: Direct conversion of cellulose to high-yield methyl lactate over Ga-doped Zn/H-nanozeolite Y catalysts in supercritical methanol
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Metal-catalyzed reductive deamination of glutamic acid to bio-based dimethyl glutarate and methylamines

Glutamic acid was successfully converted into dimethyl glutarate and trimethylamine by a Pt based reductive deamination at 225 °C in methanol.

Graphical abstract: Metal-catalyzed reductive deamination of glutamic acid to bio-based dimethyl glutarate and methylamines
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Copolymerization of lactones and bioaromatics via concurrent ring-opening polymerization/polycondensation

Concurrent ring-opening polymerization/polycondensation of lactones and bioaromatic hydroxy-acids yields random copolymers with improved and controlled thermal properties.

Graphical abstract: Copolymerization of lactones and bioaromatics via concurrent ring-opening polymerization/polycondensation
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

The greening of peptide synthesis

Both couplings and deprotections for solution- and solid-phase peptide synthesis can be carried out in the polar aprotic solvent propylene carbonate.

Graphical abstract: The greening of peptide synthesis
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Organic synthesis by Twin Screw Extrusion (TSE): continuous, scalable and solvent-free

Several organic reactions have been achieved quantitatively without any added solvent, using solid or liquid reagents, on a continuous basis; products are typically obtained directly in analytically pure form, requiring no work-up.

Graphical abstract: Organic synthesis by Twin Screw Extrusion (TSE): continuous, scalable and solvent-free
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Development of a concise, scalable synthesis of a CCR1 antagonist utilizing a continuous flow Curtius rearrangement

A convergent and robust synthesis of a developmental CCR1 antagonist is described using continuous flow technology.

Graphical abstract: Development of a concise, scalable synthesis of a CCR1 antagonist utilizing a continuous flow Curtius rearrangement
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

An alternative approach towards poly-ε-caprolactone through a chemoenzymatic synthesis: combined hydrogenation, bio-oxidations and polymerization without the isolation of intermediates

A novel synthetic route towards the polymer poly-ε-caprolactone based on a chemoenzymatic reaction sequence was developed.

Graphical abstract: An alternative approach towards poly-ε-caprolactone through a chemoenzymatic synthesis: combined hydrogenation, bio-oxidations and polymerization without the isolation of intermediates
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Organocatalytic oxidation of substituted anilines to azoxybenzenes and nitro compounds: mechanistic studies excluding the involvement of a dioxirane intermediate

Organocatalytic and environmentally friendly approaches for the selective oxidation of substituted anilines either to azoxybenzenes or to nitro compounds were developed.

Graphical abstract: Organocatalytic oxidation of substituted anilines to azoxybenzenes and nitro compounds: mechanistic studies excluding the involvement of a dioxirane intermediate
From the themed collection: 2017 Green Chemistry Hot Articles
Open Access Paper

Greener solvents for solid-phase synthesis

The use of a range of green solvents to swell a diverse range of resins used in solid-phase synthesis is investigated.

Graphical abstract: Greener solvents for solid-phase synthesis
From the themed collection: 2017 Green Chemistry Hot Articles
57 articles

About this collection

Welcome to our online rolling collection of the hottest work published in Green Chemistry.  Here we feature all the 2017 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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