Themed collection 2017 Green Chemistry Hot Articles

114 items - Showing page 1 of 2
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
Perspective

The E factor 25 years on: the rise of green chemistry and sustainability

The global impact of green chemistry and sustainability and the pivotal role of the E factor concept, over the last twenty five years, is reviewed.

Graphical abstract: The E factor 25 years on: the rise of green chemistry and sustainability
From the themed collection: 2017 Green Chemistry Hot Articles
Tutorial Review

Recent advances in new oxidizers for solid rocket propulsion

Recent progress in the synthesis and modification of green oxidizers and their application in solid rocket propellant formulations during these last few decades are reviewed.

Graphical abstract: Recent advances in new oxidizers for solid rocket propulsion
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: Green Chemistry 2017 Emerging Investigators
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: Green Chemistry 2017 Emerging Investigators
Tutorial Review

Practical molecular thermodynamics for greener solution chemistry

To enhance solubility using greener chemistry we should harness sound principles of molecular-based thermodynamics.

Graphical abstract: Practical molecular thermodynamics for greener solution chemistry
From the themed collection: 2017 Green Chemistry Hot Articles
Critical Review

A quest for polycarbonates provided via sustainable epoxide/CO2 copolymerization processes

Bio-derived epoxides and impure sources of carbon dioxide offer exciting resources for renewable polycarbonate production.

Graphical abstract: A quest for polycarbonates provided via sustainable epoxide/CO2 copolymerization processes
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

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
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: Harvesting Renewable Energy with Chemistry
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
Open Access Critical Review

Transaminase biocatalysis: optimization and application

Transaminase biocatalysis shows immense potential in industrial applications, and optimizations of both proteins and processes are of great importance.

Graphical abstract: Transaminase biocatalysis: optimization and application
From the themed collection: Enzyme catalysis in organic synthesis
Communication

Construction of 2,3-quaternary fused indolines from alkynyl tethered oximes and diaryliodonium salts through a cascade strategy of N-arylation/cycloaddition/[3,3]-rearrangement

An efficient cascade strategy was developed for the synthesis of 2,3-quaternary fused indolines from alkynyl tethered oximes and diaryliodonium salts.

Graphical abstract: Construction of 2,3-quaternary fused indolines from alkynyl tethered oximes and diaryliodonium salts through a cascade strategy of N-arylation/cycloaddition/[3,3]-rearrangement
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Visible-light-mediated aerobic selenation of (hetero)arenes with diselenides

The first visible-light driven aerobic oxidation for the direct selenation of (hetero)arenes has been developed at room temperature, providing an eco-friendly, atom-economical protocol to prepare unsymmetrical selenides from easily accessible diselenides.

Graphical abstract: Visible-light-mediated aerobic selenation of (hetero)arenes with diselenides
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

A dual-templating strategy for the scale-up synthesis of dendritic mesoporous silica nanospheres

Mesoporous silica nanoparticles with varied morphologies and pore structures were synthesized on the kilogram scale using cetyltrimethylammonium bromide and an anionic surfactant as co-templates.

Graphical abstract: A dual-templating strategy for the scale-up synthesis of dendritic mesoporous silica nanospheres
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Tuneable 3D printed bioreactors for transaminations under continuous-flow

A method to efficiently immobilize enzymes on 3D printed continuous-flow devices is presented.

Graphical abstract: Tuneable 3D printed bioreactors for transaminations under continuous-flow
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Scalable and super-stable exfoliation of graphitic carbon nitride in biomass-derived γ-valerolactone: enhanced catalytic activity for the alcoholysis and cycloaddition of epoxides with CO2

γ-Valerolactone could exfoliate bulk g-C3N4 to form a super-stable dispersion of few-layer g-C3N4 nanosheets with a high concentration of 0.8 mg mL−1, showing enhanced activity for non-photocatalytic reactions.

Graphical abstract: Scalable and super-stable exfoliation of graphitic carbon nitride in biomass-derived γ-valerolactone: enhanced catalytic activity for the alcoholysis and cycloaddition of epoxides with CO2
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Base-free nickel-catalyzed hydroboration of simple alkenes with bis(pinacolato)diboron in an alcoholic solvent

A base-free nickel-catalyzed hydroboration of unreactive simple alkenes with bis(pinacolato)diboron using methanol as the hydride source under mild conditions has been developed.

Graphical abstract: Base-free nickel-catalyzed hydroboration of simple alkenes with bis(pinacolato)diboron in an alcoholic solvent
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Glucose promoted facile reduction of azides to amines under aqueous alkaline conditions

A quick and efficient method for the reduction of azides to amines in water using D-glucose and KOH as green reagents is reported.

Graphical abstract: Glucose promoted facile reduction of azides to amines under aqueous alkaline conditions
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

Designing the thermal behaviour of aqueous biphasic systems composed of ammonium-based zwitterions

The design of the thermal behaviour – from an upper critical solution temperature (UCST) to a lower critical solution temperature (LCST) – of aqueous biphasic systems composed of water-soluble ammonium-based zwitterions.

Graphical abstract: Designing the thermal behaviour of aqueous biphasic systems composed of ammonium-based zwitterions
Communication

An introduction to zwitterionic salts

Zwitterionic salts: highly hydrophilic materials, incorporating some characteristics of zwitterions, ionic liquids, and inorganic salts with potential applications in the biomedical field and separation technology.

Graphical abstract: An introduction to zwitterionic salts
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
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

Access to cross-linked chitosans by exploiting CO2 and the double solvent-catalytic effect of ionic liquids

Fist synthesis of ureido cross-linked chitosans employing the CO2–chitosan–ionic liquid three component system as a way to prepare new biomaterials.

Graphical abstract: Access to cross-linked chitosans by exploiting CO2 and the double solvent-catalytic effect of ionic liquids
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Pd/C–Al–water facilitated selective reduction of a broad variety of functional groups

The chemoselective reduction of a broad variety of functional groups by a Pd/C–Al–H2O system is described.

Graphical abstract: Pd/C–Al–water facilitated selective reduction of a broad variety of functional groups
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
Open Access Communication

Ionic liquids that form adducts with alcohols

Ionic liquids bearing an activated carbonyl group in the cation are shown to form adducts with alcohols without the aid of any catalysts. How these functionalised ionic liquids could be used in altering vapour phase compositions of alcohols and in alcohol separations are demonstrated.

Graphical abstract: Ionic liquids that form adducts with alcohols
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Biocatalytic transamination with near-stoichiometric inexpensive amine donors mediated by bifunctional mono- and di-amine transaminases

Bifunctional transaminases enable a strategy for the production of chiral amines using small excesses of diamine donors.

Graphical abstract: Biocatalytic transamination with near-stoichiometric inexpensive amine donors mediated by bifunctional mono- and di-amine transaminases
From the themed collection: Enzyme catalysis in organic synthesis
Communication

A catalyst-free 1,3-dipolar cycloaddition of C,N-cyclic azomethine imines and 3-nitroindoles: an easy access to five-ring-fused tetrahydroisoquinolines

A catalyst-free 1,3-dipolar cycloaddition of C,N-cyclic azomethine imines and 3-nitroindoles has been reported under mild conditions.

Graphical abstract: A catalyst-free 1,3-dipolar cycloaddition of C,N-cyclic azomethine imines and 3-nitroindoles: an easy access to five-ring-fused tetrahydroisoquinolines
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Ru/ceria-catalyzed direct formylation of amines and CO to produce formamides

We herein report a new strategy of directly converting amines and CO to formamides with 100% atom utilization efficiency.

Graphical abstract: Ru/ceria-catalyzed direct formylation of amines and CO to produce formamides
From the themed collection: 2017 Green Chemistry Hot Articles
Communication

Liquid/liquid extraction of biomass-derived lignin from lignocellulosic pretreatments

The extraction of lignin from lignocellulosic pretreatments regards the transfer of lignin from the fractionation solvent to a different medium for valorization.

Graphical abstract: Liquid/liquid extraction of biomass-derived lignin from lignocellulosic pretreatments
Paper

A biomimetic photoelectrocatalyst of Co–porphyrin combined with a g-C3N4 nanosheet based on π–π supramolecular interaction for high-efficiency CO2 reduction in water medium

Aiming at high-efficiency biomimetic CO2 reduction, a photoelectrocatalyst with excellent CO2 catalytic activity was designed and prepared by self-assembly immobilizing CoTPP onto g-C3N4 based on π–π interaction.

Graphical abstract: A biomimetic photoelectrocatalyst of Co–porphyrin combined with a g-C3N4 nanosheet based on π–π supramolecular interaction for high-efficiency CO2 reduction in water medium
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Crystal lattice distortion in ultrathin Co(OH)2 nanosheets inducing elongated Co–OOH bonds for highly efficient oxygen evolution reaction

The highly efficient OER performance of the ultrathin cobalt hydroxides nanosheets is due to the elongated Co–OOH bonds generated from crystal lattice distortion, which can serve as the efficiently catalytic active sites.

Graphical abstract: Crystal lattice distortion in ultrathin Co(OH)2 nanosheets inducing elongated Co–OOH bonds for highly efficient oxygen evolution reaction
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Multistep purification of cytochrome c PEGylated forms using polymer-based aqueous biphasic systems

An efficient process of PEGylation and purification of different site-specific Cyt-c PEGylated forms was developed with high efficiency using polymer-based aqueous biphasic systems.

Graphical abstract: Multistep purification of cytochrome c PEGylated forms using polymer-based aqueous biphasic systems
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Phosphorous acid functionalized polyacrylonitrile fibers with a polarity tunable surface micro-environment for one-pot C–C and C–N bond formation reactions

Novel hydrophilic/hydrophobic surface micro-environment modified phosphoric acid-functionalized PANFs are prepared for one-pot C–C and C–N bond formation reactions with high efficiencies and preeminent reusability.

Graphical abstract: Phosphorous acid functionalized polyacrylonitrile fibers with a polarity tunable surface micro-environment for one-pot C–C and C–N bond formation reactions
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Solvent- and base-free synthesis of wax esters from fatty acid methyl esters by consecutive one-pot, two-step catalysis

Wax esters were produced from fatty acid methyl esters using a catalytic one-pot, two-step sequence under solvent- and base-free conditions.

Graphical abstract: Solvent- and base-free synthesis of wax esters from fatty acid methyl esters by consecutive one-pot, two-step catalysis
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Direct conversion of bio-ethanol to propylene in high yield over the composite of In2O3 and zeolite beta

The superior propylene yield of the In2O3-beta composite (ca. 50%) for the conversion of ethanol to propylene compared to In2O3 (ca. 32%) is due to the fact that zeolite beta in the composite enhances the conversion of the intermediate of acetone to propylene via an additional pathway.

Graphical abstract: Direct conversion of bio-ethanol to propylene in high yield over the composite of In2O3 and zeolite beta
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

An efficient Pt nanoparticle–ionic liquid system for the hydrodeoxygenation of bio-derived phenols under mild conditions

Hydrodeoxygenation of bio-derived phenols under mild conditions with platinum nanoparticles in situ synthesized in an ionic liquid.

Graphical abstract: An efficient Pt nanoparticle–ionic liquid system for the hydrodeoxygenation of bio-derived phenols under mild conditions
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

A highly stable Ru/LaCO3OH catalyst consisting of support-coated Ru nanoparticles in aqueous-phase hydrogenolysis reactions

A hydrothermally stable Ru/LaCO3OH catalyst consisting of Ru nanoparticles partially encapsulated by the support with a strong metal–support interaction is developed.

Graphical abstract: A highly stable Ru/LaCO3OH catalyst consisting of support-coated Ru nanoparticles in aqueous-phase hydrogenolysis reactions
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Zirconocene-catalyzed direct (trans)esterification of acyl acids (esters) and alcohols in a strict 1 : 1 ratio under solvent-free conditions

A highly efficient way for the direct (trans)esterification of acyl acids (esters) and alcohols in a strict 1 : 1 ratio using a zirconocene complex (1, 1 mol%), a strong Lewis acid of good water tolerance, as a catalyst under solvent-free conditions has been developed.

Graphical abstract: Zirconocene-catalyzed direct (trans)esterification of acyl acids (esters) and alcohols in a strict 1 : 1 ratio under solvent-free conditions
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Phloretic acid as an alternative to the phenolation of aliphatic hydroxyls for the elaboration of polybenzoxazine

Phloretic acid: a sustainable building block to promote the solvent-free elaboration of benzoxazine and its polymerization into fully bio-based thermosets.

Graphical abstract: Phloretic acid as an alternative to the phenolation of aliphatic hydroxyls for the elaboration of polybenzoxazine
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Efficient eco-clean upgrading of isolated cellulose fibers by polyoxometalate (POM) catalyzed ozonation boosted by enzymes

An extremely selective and effective delignification approach using enzymatically driven ozonation catalyzed by α-Keggin-type heteropolyoxometalates in solvent medium was developed.

Graphical abstract: Efficient eco-clean upgrading of isolated cellulose fibers by polyoxometalate (POM) catalyzed ozonation boosted by enzymes
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Synthesis of nano- and microstructures from proanthocyanidins, tannic acid and epigallocatechin-3-O-gallate for active delivery

Versatile tannin nano- and microstructures have been created via ultrasound treatment and thoroughly characterized for the stimuli responsive delivery of active molecules.

Graphical abstract: Synthesis of nano- and microstructures from proanthocyanidins, tannic acid and epigallocatechin-3-O-gallate for active delivery
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

An ionic liquid catalyzed probase method for one-pot synthesis of α,β-unsaturated esters from esters and aldehydes under mild conditions

An ionic liquid catalyzed probase method for unsaturated ester synthesis under mild conditions was reported.

Graphical abstract: An ionic liquid catalyzed probase method for one-pot synthesis of α,β-unsaturated esters from esters and aldehydes under mild conditions
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

A new selective route towards benzoic acid and derivatives from biomass-derived coumalic acid

The selective production of aromatics from bio-based sources is an area of interest to expand the potential for greener alternatives to petroleum-derived chemicals.

Graphical abstract: A new selective route towards benzoic acid and derivatives from biomass-derived coumalic acid
From the themed collection: 2017 Green Chemistry Hot Articles
Open Access Paper

Efficient route for the construction of polycyclic systems from bioderived HMF

Efficient one-pot synthesis of tricyclic compounds from biobased 5-hydroxymethylfurfural (HMF) is described using a [4 + 2] cycloaddition reaction.

Graphical abstract: Efficient route for the construction of polycyclic systems from bioderived HMF
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Carbon dioxide-to-methanol single-pot conversion using a C-scorpionate iron(II) catalyst

The highly efficient eco-friendly synthesis of methanol directly from carbon dioxide and H2 catalysed by the iron(II) scorpionate catalyst [FeCl23-HC(pz)3}] is reported.

Graphical abstract: Carbon dioxide-to-methanol single-pot conversion using a C-scorpionate iron(ii) catalyst
Paper

Direct use of humic acid mixtures to construct efficient Zr-containing catalysts for Meerwein–Ponndorf–Verley reactions

Humic acid (HA) mixtures from lignite could be directly used to construct Zr-HAs catalysts for MPV reaction of carboxyl compounds.

Graphical abstract: Direct use of humic acid mixtures to construct efficient Zr-containing catalysts for Meerwein–Ponndorf–Verley reactions
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

Isosorbide synthesis from cellulose with an efficient and recyclable ruthenium catalyst

A recyclable Ru-based hydrogenation catalyst for the two-step conversion of lignocellulosic substrates into isosorbide.

Graphical abstract: Isosorbide synthesis from cellulose with an efficient and recyclable ruthenium catalyst
From the themed collection: 2017 Green Chemistry Hot Articles
Paper

Environmental sustainability assessment of a new degreasing formulation for the tanning cycle within leather manufacturing

The environmental assessment of the lab-scale preparation of a new lactose derivative-based degreasing formulation, for the leather manufacturing cycle, was performed by using EATOS and LCA methodologies.

Graphical abstract: Environmental sustainability assessment of a new degreasing formulation for the tanning cycle within leather manufacturing
Paper

Controlling silicone-saccharide interfaces: greening silicones

(Poly)saccharides crosslink silicone boronic acid polymers and stabilize the silicone oil/water interface.

Graphical abstract: Controlling silicone-saccharide interfaces: greening silicones
114 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 the 2017 Green Chemistry articles highlighted as HOT by the handling editor or our referees.  Congratulations to all the authors whose articles are featured.

Spotlight

Advertisements