RSC - Green Chem. latest articles

Efficient and recyclable rare earth-based catalysts for Friedel-Crafts acylations under microwave heating: dendrimers show the way

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40720A, Communication

Armelle Ouali, Arnaud D. Perrier, Michel Keller, Anne-Marie Caminade, Jean-Pierre Majoral
The catalytic system involving Sc(OTf)3 and a dendritic terpyridine ligand is able to promote the Friedel-Crafts acylation of a wide range of aromatics under microwaves. The expected products are obtained...
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Continuous Flow Macrocyclization at High Concentrations: Synthesis of Macrocyclic Lipids

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40872H, Paper

Shawn Collins, Anne-Catherine Bedard, Sophie Regnier
A phase separation/continuous flow macrocyclization protocol eliminates the need for high-dilution conditions and can be used to prepare gram quantities of biologically relevant macrocyclic lipid structures. The method presents several...
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Living carbocationic polymerization of a vinyl ether monomer derived from soybean oil, 2-(vinyloxy)ethyl soyate

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40605A, Communication

Andrey Chernykh, Samim Alam, Anurad Jayasooriya, James Bahr, Bret J. Chisholm
A novel vinyl ether monomer was produced from soybean oil by base-catalyzed transesterification of 2-(vinyloxy)ethanol with soybean oil.
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Formation of glycerol carbonate from glycerol and urea catalysed by metal monoglycerolates

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC37028C, Paper

Terence W. Turney, Antonio Patti, Will Gates, Uzma Shaheen, Sanjitha Kulasegaram
Efficient conversion of glycerol into glycerol carbonate by urea is catalysed by metal monoglycerolate complexes via a metal isocyanate complex.
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Copper on chitosan: a recyclable heterogeneous catalyst for azide-alkyne cycloaddition reactions in water

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40401C, Communication

R. B. Nasir Baig, Rajender S. Varma
Copper sulfate has been immobilized over chitosan by simply stirring an aqueous suspension of chitosan in water with copper sulfate; the ensuing catalyst has been utilized for the azide-alkyne cycloaddition in aqueous media and it can be recycled and reused many times without losing its activity.
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Hydrophosphinylation of unactivated alkenes with secondary phosphine oxides under visible-light photocatalysis

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40482J, Communication

Woo-Jin Yoo, Shu Kobayashi
An environmentally benign catalyst for hydrophosphinylation was developed under visible light irradiation.
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Unusual reactions mediated by FMN-dependent ene- and nitro-reductases

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40588E, Critical Review

Katharina Durchschein, Melanie Hall, Kurt Faber
The broad redox potential of the cofactor flavin in the active site of ene- and nitro-reductases from the Old-Yellow-Enzyme family enables a remarkably wide array of reactions, such as the reduction of alkenes, alkynes, arenes, nitro groups and nitrate esters and redox-neutral C[double bond, length as m-dash]C-bond isomerization.
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Conversion of furfural into cyclopentanone over Ni-Cu bimetallic catalysts

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC37133F, Paper

Yanliang Yang, Zhongtian Du, Yizheng Huang, Fang Lu, Feng Wang, Jin Gao, Jie Xu
Transformation of biomass-derived furfural into cyclopentanone over Ni-Cu bimetallic catalysts was studied in water under a hydrogen atmosphere.
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Aerobic oxidation of primary aliphatic alcohols over bismuth oxide supported platinum catalysts in water

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40730F, Paper

Tianliang Lu, Zhongtian Du, Junxia liu, Hong Ma, Jie Xu
Catalytic oxidation of non-activated aliphatic alcohols with molecular oxygen is rather challenging, especially in aqueous medium in the absence of additional base. Bismuth is usually used as promoter of platinum-based...
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Synthesis and utilisation of sugar compounds derived from lignocellulosic biomass

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC00060E, Critical Review

Hirokazu Kobayashi, Atsushi Fukuoka
Sugar compounds are a renewable feedstock derived from lignocellulosic biomass for the production of numerous useful chemicals including plastics, fine chemicals and high-grade fuels.
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A new MCM-41 supported HPF6 catalyst for the library synthesis of highly substituted 1,4-dihydropyridines and oxidation to pyridines: report of one-dimensional packing towards LMSOMs and studies on their photophysical properties

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40441B, Paper

Suman Ray, Mike Brown, Asim Bhaumik, Arghya Dutta, Chhanda Mukhopadhyay
New MCM-41/HPF₆ catalyst for library synthesis of 1,4-dihydropyridines and oxidation to pyridines.
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Methods for the regeneration of nicotinamide coenzymes

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC37129H, Critical Review

Hong Wu, Chunyong Tian, Xiaokai Song, Chuang Liu, Dong Yang, Zhongyi Jiang
This article presents an overview of four kinds of methods used for the regeneration of nicotinamide coenzymes, spanning enzymatic methods, chemical methods, electrochemical methods and photochemical methods.
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Aza-Michael versus aminolysis reactions of glycerol carbonate acrylate

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC37054B, Paper

Nohra Bassam, Candy Laure, Blanco Jean-Francois, Raoul Yann, Mouloungui Zephirin
New five-membered cyclic glycerylic carbonate and hydroxyurethane isomers were synthesised from glycerol carbonate, with neither catalysts nor solvents. Experimental parameter effects are reported for the competition between aza-Michael addition and aminolysis reactions.
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Iron phthalocyanine as an efficient and versatile catalyst for N-alkylation of heterocyclic amines with alcohols: one-pot synthesis of 2-substituted benzimidazoles, benzothiazoles and benzoxazoles

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40137E, Paper

Manju Bala, Praveen Kumar Verma, Upendra Sharma, Neeraj Kumar, Bikram Singh
An efficient and versatile method was developed for N-alkylation of various amines with alcohols by utilizing abundantly available iron phthalocyanine as catalyst.
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A highly stable and active magnetically separable Pd nanocatalyst in aqueous phase heterogeneously catalyzed couplings

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40421H, Paper

Mohammad Ali Zolfigol, Vahid Khakyzadeh, Ahmad Reza Moosavi-Zare, Abed Rostami, Abdolkarim Zare, Nasser Iranpoor, Mohammad Hassan Beyzavi, Rafael Luque
An active and stable magnetically separable Pd nanocatalyst was prepared and characterized. The nanocatalyst exhibited excellent activities and reusabilities in aqueous phase processes including the O-arylation of phenols and Sonogashira...
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Benzoylation for the recovery of structure directing agent (di-n-propylamine) from the process effluent of aluminophosphate synthesis

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40759D, Communication

Nageswara N. Rao, Smita Masid
A simple benzoylation reaction was used for the recovery of two value added products viz., DPBA and AlPO₄, from the mother liquor of a catalyst manufacturing unit.
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Selective oxidation of glycerol to lactic acid under acidic conditions using AuPd/TiO2 catalyst

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40314A, Communication

Jilei Xu, Hongye Zhang, Yanfei Zhao, Bo Yu, Sha Chen, Yanbin Li, Leiduan Hao, Zhimin Liu
The production of lactic acid from glycerol under acidic conditions was achieved via selective oxidation of glycerol catalysed by AuPd/TiO₂ combined with AlCl₃.
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New Biotechnology Paradigm: Cell-Free Biosystems for Biomanufacturing

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40625C, Perspective

Joe Rollin, Ward Tam, Y-H Percival Zhang
Cost-efficient production of sustainably-derived biochemicals and biofuels is a critical goal of modern biotechnology. The current predominant biotransformation method is mainly based on microbial fermentation, but this system suffers from...
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Synthesis of phenacyl bromides via K2S2O8-mediated tandem hydroxybromination and oxidation of styrenes in water

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40515J, Paper

Qing Jiang, Wenbing Sheng, Cancheng Guo
Nontransition metal-catalyzed synthesis of phenacyl bromides was achieved through K2S2O8-mediated tandem hydroxybromination and oxidation of styrenes. The advantages of this reaction are its excellent functional group compatibility, mild reaction conditions...
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Catalytic Deoxygenation of Microalgae Oil to Green Hydrocarbons

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40558C, Critical Review

Johannes A Lercher, Chen Zhao, Tomas Brueck
Microalgae are high potential raw biomass material for triglyceride feedstock, due to their high oil content and rapid growth rate, and because algae cultivation does not compete with edible food...
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Enhanced Extraction of Caffeine from Guarana Seeds using Aqueous Solutions of Ionic Liquids

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40437D, Paper

Ana Filipa Claudio, Ana Maria Conceicao Ferreira, Mara G Freire, Joao A.P. Coutinho
The extraction of caffeine from bioresources using more benign and cost-effective processes is of fundamental relevance towards the finding of alternative (bio)pesticides. Classically, the best attempts to extract caffeine from...
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Cellulose-derived superparamagnetic carbonaceous solid acid catalyst for cellulose hydrolysis in ionic liquid or aqueous reaction system

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40433A, Paper

Haixin Guo, Youfen Lian, Lulu Yan, Xinhua Qi, Richard L. Smith
A cellulose-derived carbonaceous solid acid catalyst that has superparamagnetism was synthesized by incomplete hydrothermal carbonization of cellulose followed by Fe3O4 grafting and -SO3H groups functionalization. The as-prepared superparamagnetic carbon catalyst...
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Environmentally friendly reduction of platinum catalyst precursor supported on polypyrrole

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40346G, Paper

A Sepulveda-Escribano, Robison Buitrago-Sierra, M.Mercedes Pastor-Blas, M. Jesus Garcia-Fernandez
Supported metals are traditionally prepared by impregnating a support material with the metal precursor solution, followed by reduction in hydrogen at elevated temperatures. In this study, a polymeric support has...
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Mizoroki-Heck reactions catalyzed by palladium dichloro-bis(aminophosphine) complexes under mild reaction conditions. The importance of ligand composition on the catalytic activity

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40493E, Paper

Miriam Oberholzer, Christian M. Frech
The ligand composition of aminophosphines was shown to control the ease of (water-induced) nanoparticle formation and, hence, the catalytic activity of palladium-derived Heck catalysts.
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Flowerlike Mesoporous Silica: A Bifunctionalized Catalyst for Rhodium-Catalyzed Asymmetric Transfer Hydrogenation of Aromatic Ketones in Aqueous Medium

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40547H, Paper

Guohua Liu, Ronghua Jin, Dacheng Zhang, Quanxi Liang, Qunqun Ye
A functionalized flowerlike mesoporous silica with chiral organorhodium functionality incorporated within its silica framework is prepared through an assembly of chiral 4-(trimethoxysilyl)ethyl)phenylsulfonyl-1,2-diphenylethylenediamine and tetraethoxysilane under a cooperative dual-template approach followed...
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Rhodium-catalyzed hydrogenation of olefins in [gamma]-valerolactone-based ionic liquids

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40360B, Communication

Andrea Stradi, Mark Molnar, Mihaly Ovari, Gabor Dibo, Frank U. Richter, Laszlo T. Mika
[gamma]-Valerolactone-based ionic liquids were successfully used as catalyst phase for [Rh(cod)2][BF4]/RP(C6H4-m-SO3Na)2 (R = Me, Pr, Bu, Cp) catalyzed hydrogenation of different olefins. Compared to broadly used ionic liquids e.g 1-butyl-3-methylimidazolium...
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Microwave-assisted synthesis of cyclic carbonates by a formic acid/KI catalytic system

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40729B, Paper

Jose Tharun, George Mathai, Amal Cherian Kathalikkattil, Roshith Roshan, Joo-Young Kwak, Dae-Won Park
An environment-friendly synthesis of cyclic carbonates from CO₂ and epoxides with a HCOOH/KI catalytic system was performed in a microwave reactor.
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Piperazine-functionalized ordered mesoporous polymer as highly active and reusable organocatalyst for water-medium organic synthesis

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40215K, Paper

Fang Zhang, Xushi Yang, Lei Jiang, Chao Liang, Ruixing Zhu, Hexing Li
A piperazine-functionalized mesoporous polymer (PP-MP) was developed as a highly active and reusable heterogeneous organocatalyst for water-medium organic reactions.
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Tailoring nanohybrids and nanocomposites for catalytic applications

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC37141G, Tutorial Review

Filip de Clippel, Michiel Dusselier, Stijn Van de Vyver, Li Peng, Pierre A. Jacobs, Bert F. Sels
Ordered porous inorganic-organic nanocomposites and nanohybrids enable the acquirement of tailor-made properties resulting in highly performing catalysts for applications in fine chemistry and biomass conversion.
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The Electrocatalytic Hydrogenation of Furanic Compounds in a Continuous Electrocatalytic Membrane Reactor

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC00090G, Paper

Sara K Green, Jechan Lee, Hyung Ju Kim, Geoffrey A Tompsett, Won Bae Kim, George Huber
The electrocatalytic hydrogenation of biomass derived oxygenates in a continuous electrocatalytic membrane reactor presents a promising method of fuel and chemical production that minimizes usage of solvents and has the...
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Photocatalysis on Supported gold and silver nanoparticles under ul-traviolet and visible light irradiation

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40450A, Tutorial Review

Sarina Sarina, Eric Waclawik, Huaiyong Zhu
Studies of the optical properties and catalytic capabilities of noble metal nanoparticles (NPs), such as gold (Au) and silver (Ag), have formed the basis for a very recent and fast...
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Efficient ZnBr2-catalyzed reactions of allylic alcohols with indoles, sulfamides and anilines under high-speed vibration milling conditions

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40262B, Paper

Guang-Peng Fan, Zi Liu, Guan-Wu Wang
Solvent-free reactions of allylic alcohols with various nucleophiles, including indoles, sulfamides and anilines were efficiently achieved in the presence of 20% ZnBr₂ under high-speed vibration milling conditions.
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Magnetite-supported sulfonic acid: a retrievable nanocatalyst for Ritter reaction and multicomponent reactions

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40457A, Paper

Manoj B Gawande, Anuj Rathi, Isabel Dias Nogueira, Rajender S Varma, Prof. Paula Branco
Magnetite-sulfonic acid (NanocatFe-OSO3H), prepared by wet-impregnation method, serves as a magnetically retrievable sustainable catalyst for the Ritter reaction, among others, and can be used in several reaction cycles without any...
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Recovery and Purification of Indium from Waste Sputtering Target by Selective Solvent Extraction of Sn

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40589C, Paper

Hee-Nam Kang, Kwan-Young Kim, Jong-Young Kim
A large volume of indium is being discarded from electronics factories in the forms of waste sputtering targets, polishing slurry, and etching slurry. Of these, waste sputtering target consists mainly...
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Development of GSK's reagent guides - embedding sustainability into reagent selection

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40225H, Paper

Joseph P. Adams, Catherine M. Alder, Ian Andrews, Ann M. Bullion, Matthew Campbell-Crawford, Michael G. Darcy, John D. Hayler, Richard K. Henderson, Catriona A. Oare, Israil Pendrak, Aniko M. Redman, Leanna E. Shuster, Helen F. Sneddon, Matthew D. Walker
Reagent guides were developed to reduce the environmental impact of drug discovery and development.
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Highly efficient synthesis of cyclic ureas from CO2 and diamines by a pure CeO2 catalyst using a 2-propanol solvent

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40495A, Paper

Masazumi Tamura, Kensuke Noro, Masayoshi Honda, Yoshinao Nakagawa, Keiichi Tomishige
Pure cerium oxide (CeO₂) acts as an effective and reusable heterogeneous catalyst for direct synthesis of cyclic ureas from CO₂ and diamines even at a low CO₂ pressure of 0.3 MPa.
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A straightforward double coupling of furan moieties onto epoxidized triglycerides: synthesis of monomers based on two renewable resources

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40358K, Communication

Alessandro Gandini, Talita M. Lacerda, Antonio J. F. Carvalho
The bulk reaction of 2-furfuryl amine with epoxidized linseed oil took place at both its ester moieties (aminolysis) and oxirane groups (ring opening) producing three fatty acid furan amides incorporating further furan heterocycles along their chains.
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Synthesis of disulfides by laccase-catalyzed oxidative coupling of heterocyclic thiols

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40106E, Communication

Heba T. Abdel-Mohsen, Kavitha Sudheendran, Jurgen Conrad, Uwe Beifuss
Laccase-catalyzed oxidative coupling of heterocyclic thiols to the corresponding disulfides has been developed.
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Mesopore-modified mordenites as catalysts for catalytic pyrolysis of biomass and cracking of vacuum gasoil processes

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40161H, Paper

S. Stefanidis, K. Kalogiannis, E. F. Iliopoulou, A. A. Lappas, J. Martinez Triguero, M. T. Navarro, A. Chica, F. Rey
Subsequent desilication-dealumination treatments of mordenite zeolites achieve fine tuning of the porous and acid properties of the derived materials.
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Carbon dioxide as a reversible amine-protecting agent in selective Michael additions and acylations

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40568K, Paper

Annelies Peeters, Rob Ameloot, Dirk E. De Vos
CO₂ can be used as an efficient protecting agent for amines in Michael additions and acylations at room temperature and atmospheric pressure by the reversible formation of a carbamic acid.
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Decomposition of hydrogen sulfide in non-thermal plasma aided by supported CdS and ZnS semiconductors

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC00092C, Communication

Lu Zhao, Yao Wang, Liang Jin, Minglei Qin, Xiang Li, Anjie Wang, Chunshan Song, Yongkang Hu
Plasma, aided by semiconductor catalysts, gives rise to complete decomposition of H₂S with low energy consumption.
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Comparative Performance Evaluation and Systematic Screening of Solvents in a Range of Grignard Reactions

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40702K, Paper

Asha Kadam, Mylinh Nguyen, Michael E Kopach, Paul Richardson, Fabrice Gallou, Zhao-Kui Wan, Wei Zhang
The solvent effect on the Grignard reaction of benzyl, aryl and heteroaromatic substrates has been systematically evaluated based on reaction efficiency, ease of subsequent work-up, safety and greenness. 2-Methyltetrahydrofuran (2-MeTHF),...
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Sulfonated surfactants obtained from furfural

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC00062A, Paper

Abdoulaye Gassama, Cedric Ernenwein, Ali Youssef, Mickael Agach, Emmanuel Riguet, Sinisa Marinkovic, Boris Estrine, Norbert Hoffmann
Furfural obtained from biomass is transformed into efficient and biodegradable surfactants. Photooxygenation is used as a sustainable key step.
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CeO2 as a versatile and reusable catalyst for transesterification of esters with alcohols under solvent-free conditions

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40408K, Paper

Masazumi Tamura, S. M. A. Hakim Siddiki, Ken-ichi Shimizu
CeO₂ acted as an efficient and reusable heterogeneous catalyst for transesterification of various methyl esters with alcohols under the solvent-free conditions, providing a clean, versatile, and economic synthetic method for esters.
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Ionic liquids as cosolvents for glycosylation by sucrose phosphorylase: balancing acceptor solubility and enzyme stability.

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40449H, Paper

Karel De Winter, Kristien Verlinden, Vladimir Kren, Lenka Weignerova, Wim Soetaert, Tom Desmet
Over the past decade, disaccharide phosphorylases have received increasing attention as promising biocatalysts for glycoside synthesis. Unfortunately, these enzymes typically have a very low affinity for non-carbohydrate acceptors, which urges...
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Synergistic catalysis by aerogel supported ionic liquid phase (ASILP) in synthesis of 1,5-benzodiazepines

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40592C, Communication

Rajanikant Kurane, Sharanbasappa Khanapure, Jagannath Shrimant Jadhav, Rajashri S Salunkhe, Gajanan Shankarrao Rashinkar
An ionic liquid film of [Bmim]Cl containing organometallic catalyst (Cp2ZrCl2) has been anchored on the porous matrix of aerogel by adsorption interactions. The synthesized aerogel supported ionic liquid phase catalyst...
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Continuous pretreatment of sugarcane bagasse at high loading in an ionic liquid using a twin-screw extruder

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40352A, Paper

Ayla Sant'Ana da Silva, Ricardo Sposina Sobral Teixeira, Takashi Endo, Elba Pinto da Silva Bon, Seung-Hwan Lee
Ionic liquids (ILs) are innovative and effective solvents for pretreating lignocellulose biomasses because they bring about a noticeable increase in the enzymatic saccharification of these materials. However, the reported solid...
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Stereoselective organic reactions promoted by immobilized chiral catalysts in continuous flow systems

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40195B, Tutorial Review

Alessandra Puglisi, Maurizio Benaglia, Valerio Chiroli
The immobilization of the catalyst on a support with the aim of facilitating the separation of the product from the catalyst, and thus the recovery and recycling of the latter,...
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A General and Practical Oxidation of Alcohols to Primary Amides under Metal-Free Conditions

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40668G, Paper

Xiao-Feng Wu, Muhammad Sharif, Jian-bo Feng, Helfried Neumann, Anahit Pews-Davtyan, Peter Langer, Matthias Beller
A general procedure for oxidation both benzyl alcohols and alkyl alcohols to primary amides under catalyst free conditions has been developed. 34 examples of primary amides were produced from their...
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Cycloaddition of CO2 to epoxides catalyzed by imidazolium-based polymeric ionic liquids

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC37085B, Paper

Saeideh Ghazali-Esfahani, Hongbing Song, Emilia Paunescu, Felix D. Bobbink, Huizhen Liu, Zhaofu Fei, Gabor Laurenczy, Mojtaba Bagherzadeh, Ning Yan, Paul J. Dyson
A cross-linked ionic polymer derived from a styrene-functionalized imidazolium ionic liquid displays high efficiency and reusability as a heterogeneous catalyst for the cycloaddition of CO₂ to epoxides.
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Magnetically recyclable magnetite-ceria (Nanocat-Fe-Ce) nanocatalyst - applications in multicomponent reactions under benign conditions

Green Chem., 2013, 15,1226-1231
DOI: 10.1039/C3GC40375K, Paper

Manoj B. Gawande, Vasco D. B. Bonifacio, Rajender S. Varma, Isabel D. Nogueira, Nenad Bundaleski, C. Amjad A. Ghumman, Orlando M. N. D. Teodoro, Paula S. Branco
Sustainable protocol provides functionalized 1,4-dihydropyrines and tetrahydropyridine using recyclable nano-catalyst.
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Development of a solvent selection guide for aldehyde-based direct reductive amination processes

Green Chem., 2013, 15,1159-1165
DOI: 10.1039/C3GC40359A, Communication

Fiona I. McGonagle, Donna S. MacMillan, Jane Murray, Helen F. Sneddon, Craig Jamieson, Allan J. B. Watson
A solvent selection guide has been developed to facilitate replacement of CH₂Cl₂, DCE, and DMF for the direct reductive amination of aldehydes using borane-based reductants.
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Unravelling the structure and function of human hair

Green Chem., 2013, 15,1268-1273
DOI: 10.1039/C3GC37027E, Paper

Ramiz A. Boulos, Ela Eroglu, Xianjue Chen, Adrian Scaffidi, Ben R. Edwards, Jeremiah Toster, Colin L. Raston
The use of an IL composite is successful in unravelling the structure of often-discarded human hair with the components having applications in wastewater treatment and drug coating.
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Substrate dependent synergetic and antagonistic interaction of ammonium halide and polyoxometalate catalysts in the synthesis of cyclic carbonates from oleochemical epoxides and CO2

Green Chem., 2013, 15,1173-1182
DOI: 10.1039/C3GC36710J, Paper

Jens Langanke, Lasse Greiner, Walter Leitner
Oleochemical cyclic carbonates are accessible from the corresponding epoxides and CO₂ with high cis-selectivity under synergistic activation by ammonium halides and polyoxometalates (POMs).
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Alkali silicates and structured mesoporous silicas from biomass power station wastes: the emergence of bio-MCMs

Green Chem., 2013, 15,1203-1210
DOI: 10.1039/C3GC40324F, Paper

J. R. Dodson, E. C. Cooper, A. J. Hunt, A. Matharu, J. Cole, A. Minihan, J. H. Clark, D. J. Macquarrie
High value mesoporous MCM-41 is formed from low value commercial biomass waste ashes.
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Polyterpenes by ring opening metathesis polymerization of caryophyllene and humulene

Green Chem., 2013, 15,1112-1115
DOI: 10.1039/C3GC40300A, Communication

Etienne Grau, Stefan Mecking
Catalytic polymerization of the common sesquiterpenes caryophyllene and humulene, and post-polymerization modification yield non-crosslinked linear polymers with unique microstructures.
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Control of the selectivity in multi-functional group molecules using supported gold-palladium nanoparticles

Green Chem., 2013, 15,1244-1254
DOI: 10.1039/C3GC36828A, Paper

Hamed Alshammari, Peter J. Miedziak, David J. Morgan, David W. Knight, Graham J. Hutchings
The selectivity during the reaction of substrates with multiple functional groups is manipulated by varying the gold to palladium ratio in a bimetallic catalyst.
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Mesoporous poly-melamine-formaldehyde (mPMF) - a highly efficient catalyst for chemoselective acetalization of aldehydes

Green Chem., 2013, 15,1127-1132
DOI: 10.1039/C3GC40297E, Communication

Mei Xuan Tan, Liuqun Gu, Nannan Li, Jackie Y. Ying, Yugen Zhang
A mesoporous poly-melamine-formaldehyde (mPMF) polymer was found to be highly effective in catalyzing chemoselective acetalization of aldehydes, without the need for any dehydrating agents.
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Suzuki-Miyaura cross-coupling reactions using a low-leaching and highly recyclable gold-supported palladium material and two types of microwave equipments

Green Chem., 2013, 15,1142-1145
DOI: 10.1039/C3GC00063J, Communication

Mohammad Al-Amin, Masayoshi Akimoto, Tsuyoshi Tameno, Yuuta Ohki, Naoyuki Takahashi, Naoyuki Hoshiya, Satoshi Shuto, Mitsuhiro Arisawa
Efficient Suzuki-Miyaura cross-coupling reactions with sulfur-modified Au-supported Pd material using single-mode and multi-mode microwaves.
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Directed laccase evolution for improved ionic liquid resistance

Green Chem., 2013, 15,1348-1355
DOI: 10.1039/C3GC36899H, Paper

Haifeng Liu, Leilei Zhu, Marco Bocola, Nora Chen, Antje C. Spiess, Ulrich Schwaneberg
Laccase (lcc2) variants were obtained with improved resistance in the presence of [EMIM] [EtSO₄] by directed evolution.
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Recycling Pd colloidal catalysts using polymeric phosphine ligands and polyethylene as a solvent

Green Chem., 2013, 15,1361-1367
DOI: 10.1039/C3GC36932C, Paper

Nilusha Priyadarshani, Jakkrit Suriboot, David E. Bergbreiter
Polyisobutylene (PIB)-bound azo dyes were prepared from aryl amine terminated polyisobutylene oligomers and used to form palladacycle precatalysts that can be used for catalytic carbon-carbon cross coupling reactions.
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Facile insertion of CO2 into metal-phenoxide bonds

Green Chem., 2013, 15,1356-1360
DOI: 10.1039/C3GC40147B, Paper

Sait Elmas, M. Afzal Subhani, Henning Vogt, Walter Leitner, Thomas E. Muller
The insertion of CO₂ into cobalt- and zinc-phenoxide bonds was found to occur rapidly suggesting it to be a facile key-step in the copolymerisation of carbon dioxide with epoxides.
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Facile conversion of glycosyloxymethyl-furfural into [gamma]-keto-carboxylic acid building blocks towards a sustainable chemical industry

Green Chem., 2013, 15,1368-1372
DOI: 10.1039/C3GC40185E, Paper

Andreas Brust, Frieder W. Lichtenthaler
Sucrose-based glycosyloxymethyl-furfural (GMF) was converted into [gamma]-keto-carboxylic acid building blocks. The conversion into N-heterocycles is demonstrated using benign chemistry pathways.
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Acid enhanced ionic liquid pretreatment of biomass

Green Chem., 2013, 15,1264-1267
DOI: 10.1039/C3GC37086K, Paper

Dan Groff, Anthe George, Ning Sun, Noppadon Sathitsuksanoh, Gregory Bokinsky, Blake A. Simmons, Bradley M. Holmes, Jay D. Keasling
Amberlyst 15 enhanced IL pretreatment of switchgrass boosted the yield of sugar up to ten times, decreased the amount of cellulase required for saccharification and increased the biocatalytic conversion of switchgrass into free fatty acids 10-fold to 22% of the theoretical yield.
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A silver and water free metathesis reaction: a route to ionic liquids

Green Chem., 2013, 15,1341-1347
DOI: 10.1039/C3GC37034H, Paper

Hassan Srour, Helene Rouault, Catherine C. Santini, Yves Chauvin
A versatile, low-cost, silver and water-free metathesis reaction using melt amine chloride as a solvent yields ionic liquids in high purity ([greater-than-or-equal]99.5%) and high yields ([greater-than-or-equal]90%).
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Substrate imprinted lipase nanogel for one-step synthesis of chloramphenicol palmitate

Green Chem., 2013, 15,1155-1158
DOI: 10.1039/C3GC40465J, Communication

Rui Wang, Yifei Zhang, Jinhai Huang, Diannan Lu, Jun Ge, Zheng Liu
Lipase nanogel imprinted with its substrate, palmitic acid, during lyophilization has the molecular 'cavities' in polymer shells that enhanced substrate transport and recognition. The imprinting treatment increased the apparent activity in catalyzing the transesterification reaction between chloramphenicol and vinyl palmitate.
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Enzymatic cleavage of lignin [small beta]-O-4 aryl ether bonds via net internal hydrogen transfer

Green Chem., 2013, 15,1373-1381
DOI: 10.1039/C3GC40295A, Paper

Jochen Reiter, Harald Strittmatter, Lars O. Wiemann, Doris Schieder, Volker Sieber
A four enzyme system for the reductive cleavage of lignin ether bonds and complete cofactor recycling was established and applied to technical lignin for monomer release.
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Homogeneous isocyanate- and catalyst-free synthesis of polyurethanes in aqueous media

Green Chem., 2013, 15,1121-1126
DOI: 10.1039/C3GC40319J, Communication

Haritz Sardon, Amanda C. Engler, Julian M. W. Chan, Daniel J. Coady, Jeannette M. O'Brien, David Mecerreyes, Yi Yan Yang, James L. Hedrick
Catalyst- and isocyanate-free synthesis of polyurethanes in aqueous media.
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A distributed activation energy model for the pyrolysis of lignocellulosic biomass

Green Chem., 2013, 15,1331-1340
DOI: 10.1039/C3GC36958G, Paper

Junmeng Cai, Weixuan Wu, Ronghou Liu, George W. Huber
The pyrolysis kinetics of xylan, cellulose, and eight lignocellulosic biomass samples (including corn stover, cotton stalk, palm oil husk, pine wood, red oak, sugarcane bagasse, switchgrass, and wheat straw) were measured in a TA SDT Q600 thermogravimetric analyzer. A three-parallel-DAEM-reaction model was developed to successfully describe the pyrolysis kinetics of lignocellulosic biomass.
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Deep eutectic solvents as extraction media for azeotropic mixtures

Green Chem., 2013, 15,1326-1330
DOI: 10.1039/C3GC37030E, Paper

Filipe S. Oliveira, Ana B. Pereiro, Luis P. N. Rebelo, Isabel M. Marrucho
Choline-based Deep Eutectic Solvents were used as highly efficient extractants in the liquid-liquid separation of heptane-ethanol azeotropic mixtures.
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Facile one-pot synthesis of VxOy@C catalysts using sucrose for the direct hydroxylation of benzene to phenol

Green Chem., 2013, 15,1150-1154
DOI: 10.1039/C3GC00084B, Communication

Weitao Wang, Guodong Ding, Tao Jiang, Peng Zhang, Tianbin Wu, Buxing Han
V_xO_y@C catalysts prepared from sucrose and NH₄VO₃ showed satisfactory catalytic performance for the hydroxylation of benzene to phenol in acetonitrile.
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Synthesis and characterization of a renewable polyester containing oxabicyclic dicarboxylate derived from furfural

Green Chem., 2013, 15,1318-1325
DOI: 10.1039/C3GC36938B, Paper

Yuya Tachibana, Masayuki Yamahata, Ken-ichi Kasuya
Furan derivatives produced from inedible biomass resources were converted to novel biomass-based polyesters containing oxabicyclic dicarboxylate.
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Methyl formate as a carbonylating agent for the catalytic conversion of phenol to methyl phenyl carbonate

Green Chem., 2013, 15,1146-1149
DOI: 10.1039/C3GC36877G, Communication

Mohammad S. Yalfani, Giulio Lolli, Aurel Wolf, Leslaw Mleczko, Thomas E. Muller, Walter Leitner
Methyl formate was used as a green and efficient carbonylating agent instead of toxic CO gas in the synthesis of methyl phenyl carbonate from phenol.
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Environmentally benign peptide synthesis using liquid-assisted ball-milling: application to the synthesis of Leu-enkephalin

Green Chem., 2013, 15,1116-1120
DOI: 10.1039/C3GC40302E, Communication

Julien Bonnamour, Thomas-Xavier Metro, Jean Martinez, Frederic Lamaty
This paper describes an original methodology for peptide bond synthesis avoiding toxic solvents and reactants and its application to the synthesis of Leu-enkephalin.
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Production of polyetheretherketone in ionic liquid media

Green Chem., 2013, 15,1166-1172
DOI: 10.1039/C3GC36754A, Paper

H. Q. Nimal Gunaratne, C. Richard Langrick, Alberto V. Puga, Kenneth R. Seddon, Keith Whiston
Polyetheretherketones were synthesised in the ionic liquid 1-butyl-3-methylimidazolium bis{(trifluoromethyl)sulfonyl}amide and recovered with high separation efficiency.
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On the usefulness of life cycle assessment in early chemical methodology development: the case of organophosphorus-catalyzed Appel and Wittig reactions

Green Chem., 2013, 15,1255-1263
DOI: 10.1039/C3GC00053B, Paper

Henri A. van Kalkeren, Anneloes L. Blom, Floris P. J. T. Rutjes, Mark A. J. Huijbregts
A life cycle assessment (LCA) was conducted in which the classic Appel and Wittig reactions are compared with their catalytic counterparts in terms of cumulative energy demand and greenhouse gas emissions.
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Reduction of sulfoxides and pyridine-N-oxides over iron powder with water as hydrogen source promoted by carbon dioxide

Green Chem., 2013, 15,1274-1279
DOI: 10.1039/C3GC40243F, Paper

Ran Ma, An-Hua Liu, Cheng-Bin Huang, Xue-Dong Li, Liang-Nian He
Reduction of sulfoxides and pyridine-N-oxides by iron powder performed well in the in situ acidic CO₂-H₂O system.
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Biocatalysis: fungi mediated novel and selective 12[small beta]- or 17[small beta]-hydroxylation on the basic limonoid skeleton

Green Chem., 2013, 15,1311-1317
DOI: 10.1039/C3GC40193F, Paper

Saikat Haldar, Swati P. Kolet, Hirekodathakallu V. Thulasiram
Synthetically challenging, novel and efficient 12[small beta]- and 17[small beta]-hydroxylation was achieved on the basic limonoid skeleton by fungi mediated biocatalysis.
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Synthesis and properties of full bio-based thermosetting resins from rosin acid and soybean oil: the role of rosin acid derivatives

Green Chem., 2013, 15,1300-1310
DOI: 10.1039/C3GC00095H, Paper

Qiangqiang Ma, Xiaoqing Liu, Ruoyu Zhang, Jin Zhu, Yanhua Jiang
Rosin-based monomers were synthesized and served as petroleum-based rigid compound substitutions to copolymerize with soybean oil derivatives. Full bio-based thermosetting resins were then prepared.
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Hydrolysis of cellulose to glucose by solid acid catalysts

Green Chem., 2013, 15,1095-1111
DOI: 10.1039/C3GC40136G, Tutorial Review

Yao-Bing Huang, Yao Fu
This paper reviews the recent advances in cellulose hydrolysis into glucose over solid acids, which plays an important role in the conversion of biomass derived carbohydrates into useful platform molecules.
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Catalytic dehydration of lactic acid to acrylic acid using calcium hydroxyapatite catalysts

Green Chem., 2013, 15,1211-1217
DOI: 10.1039/C3GC40144H, Paper

Vidhya C. Ghantani, Samadhan T. Lomate, Mohan K. Dongare, Shubhangi B. Umbarkar
The hydroxyapatite catalyst with a Ca/P ratio of 1.3 showed 100% conversion and 60% acrylic acid selectivity for vapour phase dehydration of lactic acid using 50% lactic acid solution at 375 [degree]C. In situ FTIR studies showed formation of calcium lactate as an intermediate responsible for high acrylic acid selectivity.
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A novel method to recycle mixed cathode materials for lithium ion batteries

Green Chem., 2013, 15,1183-1191
DOI: 10.1039/C3GC40182K, Paper

Haiyang Zou, Eric Gratz, Diran Apelian, Yan Wang
A new low temperature methodology with high efficiency to recycle Li-ion batteries economically regardless of cathode chemistry is studied.
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Synthesis of a biodegradable polymer in gas expanded solution: effect of the process on cytocompatibility

Green Chem., 2013, 15,1280-1291
DOI: 10.1039/C3GC36747A, Paper

Sherry Y. Lee, Xia Zhong, Peter Valtchev, Fariba Dehghani
CO₂ gas expanded solutions were used as alternative solvents for the synthesis of poly(lactide ethylene oxide fumarate) (PLEOF) with significantly improved properties and reduction in organic solvent consumption.
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Chemodivergent, multicomponent domino reactions in aqueous media: L-proline-catalyzed assembly of densely functionalized 4H-pyrano[2,3-c]pyrazoles and bispyrazolyl propanoates from simple, acyclic starting materials

Green Chem., 2013, 15,1292-1299
DOI: 10.1039/C3GC37128J, Paper

Pitchaimani Prasanna, Subbu Perumal, J. Carlos Menendez
A library of 4H-pyrano[2,3-c]pyrazol-6-amines was synthesized in excellent yield employing an L-proline-catalyzed, on-water four-component domino reaction.
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Synthesis of polymerizable vinyltriazoles: development of an optimized one-pot strategy starting from 4-bromobutyne

Green Chem., 2013, 15,1138-1141
DOI: 10.1039/C3GC37066F, Communication

A. Praud, O. Bootzeek, Y. Blache
The development and implementation of a safe and scalable process for the preparation of isomeric vinyl-1,2,3-triazoles under mild conditions are described.
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Surface dealloyed PtCo nanoparticles supported on carbon nanotube: facile synthesis and promising application for anion exchange membrane direct crude glycerol fuel cell

Green Chem., 2013, 15,1133-1137
DOI: 10.1039/C3GC36955B, Communication

Ji Qi, Le Xin, Zhiyong Zhang, Kai Sun, Haiying He, Fang Wang, David Chadderdon, Yang Qiu, Changhai Liang, Wenzhen Li
CNT-supported surface dealloyed PtCo catalysts achieved very high peak power density for low-temperature direct crude glycerol fuel cells.
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Aqueous oxidation of alcohols catalysed by recoverable iron oxide nanoparticles supported on aluminosilicates

Green Chem., 2013, 15,1232-1237
DOI: 10.1039/C3GC40110C, Paper

Fatemeh Rajabi, Antonio Pineda, Sareh Naserian, Alina Mariana Balu, Rafael Luque, Antonio A. Romero
Supported iron oxide nanoparticles on aluminosilicate catalysts were found to be efficient and easily recoverable catalysts in the aqueous selective oxidation of alcohols under both conventional and microwave heating.
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Polymerisable di- and triesters from Tall Oil Fatty Acids and related compounds

Green Chem., 2013, 15,1218-1225
DOI: 10.1039/C3GC37071B, Paper

Marc R. L. Furst, Thomas Seidensticker, David J. Cole-Hamilton
Tall Oil Fatty Acids, which are part of a low value stream from paper manufacture, are converted into [small alpha],[small omega]-diesters and [small alpha],n,[small omega]-triesters by methoxycarbonylation catalysed by a palladium complex. Image of swans reproduced with permission of Lucinda Surber.
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Ionic liquids-based processing of electrically conducting chitin nanocomposite scaffolds for stem cell growth

Green Chem., 2013, 15,1192-1202
DOI: 10.1039/C3GC37087A, Paper

Nandita Singh, Krzysztof K. K. Koziol, Jinhu Chen, Avinash J. Patil, Jeffrey W. Gilman, Paul C. Trulove, Wael Kafienah, Sameer S. Rahatekar
We have combined the biocompatible properties of chitin with the high electrical conductivity of carbon nanotubes to grow stem cells on electrically conducting chitin nano-composite scaffolds.
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Efficient three-component coupling catalysed by mesoporous copper-aluminum based nanocomposites

Green Chem., 2013, 15,1238-1243
DOI: 10.1039/C3GC36607C, Paper

Jana Dulle, K. Thirunavukkarasu, Marjo C. Mittelmeijer-Hazeleger, Daria V. Andreeva, N. Raveendran Shiju, Gadi Rothenberg
Bring out the copper! A novel porous copper-aluminum alloy couples together alkynes, aldehydes and amines efficiently.
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The role of flow in green chemistry and engineering

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40374B, Critical Review

Stephen G. Newman, Klavs F. Jensen
Methods for running reactions continuously offer numerous environmental advantages over batch reactions.
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Application of multivariate statistics in assessment of green analytical chemistry parameters of analytical methodologies

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC36976E, Paper

Marek Tobiszewski, Stefan Tsakovski, Vasil Simeonov, Jacek Namiesnik
The study offers a multivariate statistical analysis of a dataset, including the major metrological, "greenness" and methodological parameters of 43 analytical methodologies applied for aldrin determination (a frequently analyzed organic compound) in water samples.
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Engaging isatins in solvent-free, sterically congested Passerini reaction

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40454D, Paper

Trinadh Kaicharla, Santhivardhana Reddy Yetra, Tony Roy, Akkattu T. Biju
A facile, atom-economic and environmentally-benign protocol for the synthesis of biologically important oxindole derivatives in high yields has been demonstrated by employing isatins as carbonyl compound surrogates in a Passerini reaction carried out under solvent-free conditions.
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N-terminal PEGylated cellulase: a high stability enzyme in 1-butyl-3-methylimidazolium chloride

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC40104A, Paper

Lu Li, Juan Xie, Shitao Yu, Zhongliang Su, Shiwei Liu, Fusheng Liu, Congxia Xie, Baoquan Zhang, Chenggang Zhang
A high stability enzyme in 1-butyl-3-methylimidazolium chloride was obtained by N-terminal PEGylation of cellulase.
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Iron nanoparticles in situ encapsulated in biochar-based carbon as an effective catalyst for the conversion of biomass-derived syngas to liquid hydrocarbons

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC37107G, Paper

Qiangu Yan, Caixia Wan, Jian Liu, Jinsen Gao, Fei Yu, Jilei Zhang, Zhiyong Cai
The Fe-core/C-shell nanocomposite catalyst was synthesized by self-assembly at high temperature using char. The catalyst proves highly active and stable for upgrading biosyngas to liquid hydrocarbons.
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High Yield Production of 5-hydroxymethylfurfural from Cellulose by High Concentration of Sulfates in Biphase System

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40667A, Paper

Ning Shi, Qiying Liu, Tiejun Wang, Longlong Ma, Qi Zhang
High 5-hydroxymethylfurfural (HMF) yield of 53% was obtained by direct degradation of cellulose in a biphasic system with concentrated NaHSO4 and ZnSO4 as co-catalyst, accompanied with 96% of cellulose conversion...
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Preparation of PDMS Membrane Using Water as Solvent for Pervaporation Separation of Butanol/Water Mixture

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40291F, Paper

Shufeng Li, Fan Qin, Peiyong Qin, M. Nazmul Karim, Tianwei Tan
Polydimethylsiloxane (PDMS) membrane has attracted increasing attention due to its potential application in separating organic-organic liquid mixtures and removing volatile organic compounds from water and soil. However, solvents like n-hexane,...
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Sustainable catalysts for methanol carbonylation

Green Chem., 2013, Advance Article
DOI: 10.1039/C3GC00024A, Paper

Fengbo Li, Bingfeng Chen, Zhijun Huang, Tao Lu, Yin Yuan, Guoqing Yuan
Well-designed cross-linked copolymers were prepared and used as support for the simultaneous immobilization of rhodium and iodide species.
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Eliminating ammonia emissions during rare earth separation through control of equilibrium acidity in a HEH(EHP)-Cl system

Green Chem., 2013, Accepted Manuscript
DOI: 10.1039/C3GC40470F, Paper

Liangshi Wang, Xiaowei Huang, Ying Yu, Yanfei Xiao, Zhiqi Long, Dali Cui
This paper investigates the development of a new environmentally friendly approach for rare earth separation. A technique for controlling equilibrium acidity in a HEH(EHP)-Cl system achieves ammonia-free emissions during rare...
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