Themed collection 2015 most accessed Green Chemistry articles
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Deoxygenation of biobased molecules by decarboxylation and decarbonylation – a review on the role of heterogeneous, homogeneous and bio-catalysis
During decarboxylation and decarbonylation of biomass the activity of homogeneous and heterogeneous catalysts is mainly determined by temperature not by its nature; enzymes display higher activity.
Green Chem., 2015,17, 3231-3250
https://doi.org/10.1039/C5GC00023H
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Opportunities for greener alternatives in chemical formulations
Formulated products contain some components that need to be replaced because of identified or suspected negative effects on health or the environment.
Green Chem., 2015,17, 2664-2678
https://doi.org/10.1039/C4GC02261K
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Greening the global phosphorus cycle: how green chemistry can help achieve planetary P sustainability
Opportunities for green chemistry in the P cycle.
Green Chem., 2015,17, 2087-2099
https://doi.org/10.1039/C4GC02445A
Reductive functionalization of CO2 with amines: an entry to formamide, formamidine and methylamine derivatives
Unprecedented transformations have been developed over the last years to convert amines to formamides, formamidines and methylamines, in the presence of CO2 as a reagent. These emerging technologies are reviewed in this perspective and the opportunities and challenges facing the practical use of CO2 in the production of nitrogen molecules are discussed.
Green Chem., 2015,17, 157-168
https://doi.org/10.1039/C4GC01614A
Silica-nanosphere-based organic–inorganic hybrid nanomaterials: synthesis, functionalization and applications in catalysis
Fabrication of silica nanosphere based organic–inorganic hybrid materials and their applications in the field of catalysis.
Green Chem., 2015,17, 3207-3230
https://doi.org/10.1039/C5GC00381D
Sustainable conversion of carbon dioxide: the advent of organocatalysis
The conversion of carbon dioxide (CO2), an abundant renewable carbon reagent, into chemicals of academic and industrial interest is of imminent importance to create a higher degree of sustainability in chemical processing and production.
Green Chem., 2015,17, 1375-1389
https://doi.org/10.1039/C4GC01959H
Rules and benefits of Life Cycle Assessment in green chemical process and synthesis design: a tutorial review
The implementation of Life Cycle Assessment and related methods in green chemical process and synthesis design strongly supports the development of greener concepts on the basis of deep and profound insights into the dependences between the selection of compounds and process parameters and the resulting environmental impacts.
Green Chem., 2015,17, 123-145
https://doi.org/10.1039/C4GC01153H
Polyol synthesis of nanoparticles: status and options regarding metals, oxides, chalcogenides, and non-metal elements
The polyol synthesis of nanoparticles is reviewed, including metals, oxides, main-group elements and recent strategies to expand the method's limits.
Green Chem., 2015,17, 4107-4132
https://doi.org/10.1039/C5GC00943J
CO2 methanation over heterogeneous catalysts: recent progress and future prospects
This review describes an overview on much of the recent work in catalytic methanation of CO2 and its future prospects.
Green Chem., 2015,17, 2647-2663
https://doi.org/10.1039/C5GC00119F
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Non-heme iron catalysts for epoxidation and aziridination reactions of challenging terminal alkenes: towards sustainability
This review presents non-heme iron catalyzed epoxidations and aziridinations of terminal alkenes with respect to atom economy and sustainability.
Green Chem., 2015,17, 2042-2058
https://doi.org/10.1039/C4GC02413C
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Reclamation of reactive metal oxides from complex minerals using alkali roasting and leaching – an improved approach to process engineering
This review highlights the alkali roasting of aluminium, chromium and titanium minerals as an alternative to mitigate the environmental pressure associated with their mineral processing.
Green Chem., 2015,17, 2059-2080
https://doi.org/10.1039/C4GC02360A
When iron met phosphines: a happy marriage for reduction catalysis
This review highlights the recent and prolific progress made in the use of iron–phosphine based catalysts in selective reductions including enantioselective hydrogenation.
Green Chem., 2015,17, 2283-2303
https://doi.org/10.1039/C4GC01866D
Towards the electrochemical conversion of carbon dioxide into methanol
Electrocatalysis for carbon dioxide conversion into methanol.
Green Chem., 2015,17, 2304-2324
https://doi.org/10.1039/C4GC02453B
Bio-derived materials as a green route for precious & critical metal recovery and re-use
Overview of research in critical and precious metal recovery using biosorption, application to real-life wastes and uses of the metal-loaded materials.
Green Chem., 2015,17, 1951-1965
https://doi.org/10.1039/C4GC02483D
From iridium and platinum to copper and carbon: new avenues for more sustainability in organic light-emitting diodes
In this article, we analyse materials and techniques used in OLED manufacturing in terms of sustainability and highlight upcoming trends which are supposed to further enhance this technologies sustainability.
Green Chem., 2015,17, 1988-2011
https://doi.org/10.1039/C4GC02195A
Sustainable metal-based catalysts for the synthesis of cyclic carbonates containing five-membered rings
The synthesis of cyclic carbonates from epoxides and carbon dioxide using sustainable metal-based catalysts is critically reviewed.
Green Chem., 2015,17, 1966-1987
https://doi.org/10.1039/C4GC01719F
Catalytic routes towards acrylic acid, adipic acid and ε-caprolactam starting from biorenewables
Go bio! We assess the biobased productions of three important bulk chemicals: acrylic acid, adipic acid and ε-caprolactam. These are the key monomers for high-end polymers and are all produced globally in excess of two million metric tons per year.
Green Chem., 2015,17, 1341-1361
https://doi.org/10.1039/C4GC02076F
Recent advances in the catalytic production of glucose from lignocellulosic biomass
This review presents highlights in the recent advances and strategies for the catalytic production of glucose from lignocellulosic biomass over various homogeneous and heterogeneous catalysts.
Green Chem., 2015,17, 737-751
https://doi.org/10.1039/C4GC02034K
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Enzymatic hydrolysis of lignocellulosic polysaccharides in the presence of ionic liquids
This article reviews the recent progress in designing compatible ionic liquid–enzymatic systems for biomass pretreatment and hydrolysis as a step in the production of biofuels and -chemicals from lignocellulosic polysaccharides.
Green Chem., 2015,17, 694-714
https://doi.org/10.1039/C4GC01649A
Graphitic carbon nitride polymers: promising catalysts or catalyst supports for heterogeneous oxidation and hydrogenation
The review summarizes recent oxidation and hydrogenation strategies catalyzed by g-C3N4 based systems.
Green Chem., 2015,17, 715-736
https://doi.org/10.1039/C4GC01847H
Recent advances in catalysis in micellar media
Micellar catalysis is nowadays a well established approach to convert traditional catalytic reactions commonly run in organic solvents into more efficient, selective, recyclable green catalytic reactions.
Green Chem., 2015,17, 644-683
https://doi.org/10.1039/C4GC01368A
Fixation of CO2 into cyclic carbonates catalyzed by ionic liquids: a multi-scale approach
The fixation of CO2 into cyclic carbonates using the emerging ionic liquid (IL) technology is reviewed from a multi-scale viewpoint.
Green Chem., 2015,17, 108-122
https://doi.org/10.1039/C4GC01754D
Nanoporous catalysts for biomass conversion
This review is to discuss and evaluate the nanoporous catalysts including functionalized resins, metal oxides, carbons, mesoporous silicas, polydivinylbenzene, and zeolites used in the biomass transformation.
Green Chem., 2015,17, 24-39
https://doi.org/10.1039/C4GC01622J
Recent progress on supported polyoxometalates for biodiesel synthesis via esterification and transesterification
The present review comprises recent advances on supported polyoxometalates for biodiesel synthesis.
Green Chem., 2015,17, 89-107
https://doi.org/10.1039/C4GC01743A
Chemical conversion pathways for carbohydrates
This review covers general chemical routes used to convert cellulosic biomass into useful platform chemicals with specific focus on aqueous-based processing.
Green Chem., 2015,17, 40-71
https://doi.org/10.1039/C4GC01062K
Metal oxides and polysaccharides: an efficient hybrid association for materials chemistry
Polysaccharides are ideal templates for greening the synthesis of metal oxides by biotemplating and bio-replication.
Green Chem., 2015,17, 72-88
https://doi.org/10.1039/C4GC00957F
A novel green protocol for ligand free Suzuki–Miyaura cross-coupling reactions in WEB at room temperature
A highly efficient green protocol for palladium acetate-catalysed ligand-free Suzuki–Miyaura cross-coupling reactions in neat ‘water extract of banana (WEB)’ was developed. Suzuki–Miyaura reaction proceeds in WEB at very short reaction times under ‘ligand/external base/external promoters/organic medium’ free conditions.
Green Chem., 2015,17, 1442-1445
https://doi.org/10.1039/C4GC02522A
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Hybrid wood materials with improved fire retardance by bio-inspired mineralisation on the nano- and submicron level
Sustainable societies require the development of engineered hybrid materials. Bio-inspired mineralization of the wood cell wall architecture with calcium carbonate offers a green alternative to conventional fire-retardant systems.
Green Chem., 2015,17, 1423-1428
https://doi.org/10.1039/C4GC01862A
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One-pot triangular chemoenzymatic cascades for the syntheses of chiral alkaloids from dopamine
One-pot, one-substrate, triangular chemoenzymatic cascades featuring transaminase (TAm) and norcoclaurine synthase (NCS) enables the formation of (S)-benzylisoquinoline and (S)-tetrahydroprotoberberine alkaloids.
Green Chem., 2015,17, 852-855
https://doi.org/10.1039/C4GC02325K
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The effect of changing the components of an ionic liquid upon the solubility of lignin
Changing the cation of an ionic liquid was shown to have a significant effect on lignin solubility, with interaction of aromatic cations with the solute being significant. The effect of the anion on lignin solubility was negligible, above a minimum hydrogen bond basicity.
Green Chem., 2015,17, 214-218
https://doi.org/10.1039/C4GC01888E
Upgrading biomass-derived furans via acid-catalysis/hydrogenation: the remarkable difference between water and methanol as the solvent
Water and methanol affect the acid-catalysis conversion and the hydrogenation of the biomass derived furans via very different ways.
Green Chem., 2015,17, 219-224
https://doi.org/10.1039/C4GC01826E
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Prediction of microalgae hydrothermal liquefaction products from feedstock biochemical composition
Models for microalgae hydrothermal liquefaction were developed from conversion of Nannochloropsis cultivated to varying biochemical composition and fatty acid content.
Green Chem., 2015,17, 3584-3599
https://doi.org/10.1039/C5GC00574D
Selective and controllable purification of monomeric lignin model compounds via aqueous phase reforming
Selective and controllable removal of methoxy groups in liquid hot water without ring hydration from lignin model compounds. Description of reaction routes and kinetics.
Green Chem., 2015,17, 3621-3631
https://doi.org/10.1039/C5GC00410A
A cellulose sponge with robust superhydrophilicity and under-water superoleophobicity for highly effective oil/water separation
A cellulose sponge with properties of superhydrophilicity and under-water superoleophobicity gives 99.94% separation efficiency in oil–water emulsion separation.
Green Chem., 2015,17, 3093-3099
https://doi.org/10.1039/C5GC00025D
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Towards a holistic approach to metrics for the 21st century pharmaceutical industry
A unified metrics toolkit has been developed to evaluate sustainability of reactions, encompassing a comprehensive and holistic range of criteria for measuring how green a reaction is, covering quantitative and qualitative criteria both upstream and downstream of the reaction itself.
Green Chem., 2015,17, 3111-3121
https://doi.org/10.1039/C5GC00340G
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A green chemistry-based classification model for the synthesis of silver nanoparticles
The Multiple Criteria Decision Aiding (MCDA) method allows the derivation of a model that can be used for classification of existing or new production processes for silver nanoparticles in preference-ordered classes on the basis of the principles of green chemistry.
Green Chem., 2015,17, 2825-2839
https://doi.org/10.1039/C4GC02088J
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Comprehensive elucidation of the effect of residual lignin on the physical, barrier, mechanical and surface properties of nanocellulose films
We elucidate the effect of residual lignin on the interfacial, physical and mechanical properties of lignocellulose nanofibrils (LCNF) and respective nanopapers.
Green Chem., 2015,17, 1853-1866
https://doi.org/10.1039/C4GC02398F
Biomass-derived porous carbon materials with sulfur and nitrogen dual-doping for energy storage
Biomass-derived porous carbon material with sulfur and nitrogen dual-doping exhibits great potential for energy storage devices.
Green Chem., 2015,17, 1668-1674
https://doi.org/10.1039/C4GC02185A
A synergistic biorefinery based on catalytic conversion of lignin prior to cellulose starting from lignocellulosic biomass
One step conversion of lignin from intact biomass to two phenol products, improving access to aromatics and fuels.
Green Chem., 2015,17, 1492-1499
https://doi.org/10.1039/C4GC01911C
Design of low-cost ionic liquids for lignocellulosic biomass pretreatment
The cost of ionic liquids (ILs) is a barrier to utilization in cellulosic biorefinery pretreatment. Our low-cost [HSO4]− ILs are nearly as efficient as standard [OAc] options.
Green Chem., 2015,17, 1728-1734
https://doi.org/10.1039/C4GC01208A
Synthesis of metal–organic frameworks in water at room temperature: salts as linker sources
Salts as linker sources allow the preparation of high-quality carboxylate-based MOFs under unprecedented sustainable conditions: room temperature and water as the sole solvent.
Green Chem., 2015,17, 1500-1509
https://doi.org/10.1039/C4GC01861C
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Rare-earth recycling using a functionalized ionic liquid for the selective dissolution and revalorization of Y2O3:Eu3+ from lamp phosphor waste
A recycling process for lamp phosphor waste has been developed based on the selective dissolution and revalorization of the valuable red lamp phosphor Y2O3:Eu3+ in the functionalized ionic liquid [Hbet][Tf2N].
Green Chem., 2015,17, 856-868
https://doi.org/10.1039/C4GC02107J
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Catalytic depolymerisation of isolated lignins to fine chemicals using a Pt/alumina catalyst: part 1—impact of the lignin structure
Catalytic depolymerisation of lignins with different β-O-4 linkage percentages affected both the yield and the nature of aromatic monomeric products.
Green Chem., 2015,17, 1235-1242
https://doi.org/10.1039/C4GC01678E
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Acid-catalyzed algal biomass pretreatment for integrated lipid and carbohydrate-based biofuels production
One of the major challenges associated with algal biofuels production in a biorefinery-type setting is improving biomass utilization in its entirety, increasing the process energetic yields and providing economically viable and scalable co-product concepts.
Green Chem., 2015,17, 1145-1158
https://doi.org/10.1039/C4GC01612B
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Preliminary toxicity and ecotoxicity assessment of methyltrioxorhenium and its derivatives
The initial evaluation of the hazard potential of MTO shows that it causes strong short-term (eco)toxicological effects and offers preliminary indications of its genotoxic potential.
Green Chem., 2015,17, 1136-1144
https://doi.org/10.1039/C4GC01919A
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Ionic liquids: not always innocent solvents for cellulose
A comprehensive investigation into the limitations, reactivity and chemical decomposition mechanisms of ionic liquid–carbohydrate mixtures.
Green Chem., 2015,17, 231-243
https://doi.org/10.1039/C4GC01955E
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Lignin solubilisation and gentle fractionation in liquid ammonia
It's definitely not water! The complete dissolution of lignin in pure liquid ammonia opens opportunities for converting this abundant yet stubborn biopolymer to useful aromatics under moderate conditions.
Green Chem., 2015,17, 325-334
https://doi.org/10.1039/C4GC01143K
Pd/C-catalyzed reactions of HMF: decarbonylation, hydrogenation, and hydrogenolysis
The diverse reactivity of 5-hydroxymethylfural (HMF) in Pd/C-catalyzed reactions is described with emphasis on the role of additives that affect selectivity.
Green Chem., 2015,17, 307-313
https://doi.org/10.1039/C4GC01520G
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Renewable polycarbonates and polyesters from 1,4-cyclohexadiene
Epoxides derived from 1,4-cyclohexadiene (CHD), the latter produced from renewable resources via self-metathesis of plant oil derivatives, are applied as key substrates in ring-opening copolymerizations to produce aliphatic polycarbonates and polyesters.
Green Chem., 2015,17, 300-306
https://doi.org/10.1039/C4GC01353K
Palladium-heterogenized porous polyimide materials as effective and recyclable catalysts for reactions in water
Functionalized porous polyimides were used as supports for palladium complexes leading to efficient catalysts for the Suzuki cross-coupling of water.
Green Chem., 2015,17, 466-473
https://doi.org/10.1039/C4GC01326C
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Selective modification of the β–β linkage in DDQ-treated Kraft lignin analysed by 2D NMR spectroscopy
Analysis of the selective transformation of the β–β linkage in Kraft lignin using readily accessible 2D HSQC NMR protocols.
Green Chem., 2015,17, 244-249
https://doi.org/10.1039/C4GC01012D
About this collection
This web collection highlights the top 10% most downloaded articles published in Green Chemistry in 2015. Congratulations to all of the authors whose articles have been featured.