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01 December 2009
Poster abstract submission and online registration now open for 2010 ISACS conferences
Efficient Eucalyptus chemistry
02 November 2009
Eucalyptus leaves can be used as a greener way to produce a valuable chemical used in fragrances and pharmaceuticals
Ionic liquids share ions for the common good
28 October 2009
Scientists in Italy have made ionic liquids more useful for electrochemistry.
Green Chemistry News Archive
Contents list for Green Chemistry, issue 12, 2009
Front cover
Green Chem., 2009, 11, 1917
DOI: 10.1039/b924105c
Contents and Highlights in Chemical Technology
Green Chem., 2009, 11, 1919
DOI: 10.1039/b924106j
Communications
Suzuki-Miyaura cross-coupling catalyzed by protein-stabilized palladium nanoparticles under aerobic conditions in water: application to a one-pot chemoenzymatic enantioselective synthesis of chiral biaryl alcohols
A. Prastaro, P. Ceci, E. Chiancone, A. Boffi, R. Cirilli, M. Colone, G. Fabrizi, A. Stringaro and S. Cacchi,
Green Chem., 2009, 11, 1929
DOI: 10.1039/b915184b
Describes the use of palladium nanoparticles, stabilized within the protein cavity of a highly thermostable protein, in Suzuki-Miyaura reactions and a one-pot Suzuki-Miyaura cross-coupling/enzyme-catalyzed reduction.
Lipase-catalysed decarboxylative aldol reaction and decarboxylative Knoevenagel reaction
Xing-Wen Feng, Chao Li, Na Wang, Kun Li, Wei-Wei Zhang, Zao Wang and Xiao-Qi Yu,
Green Chem., 2009, 11, 1933
DOI: 10.1039/b914653a
Acrylic resin immobilized Candida antarctica lipase B (CAL-B) is able to catalyse the decarboxylative aldol reaction and decarboxylative Knoevenagel reaction with good to excellent yields.
Unexpected chemoselectivity in the rhodium-catalyzed transfer hydrogenation of 
,
-unsaturated ketones in ionic liquids
Zoltán Baán, Zoltán Finta, György Keglevich and István Hermecz,
Green Chem., 2009, 11, 1937
DOI: 10.1039/b913305d
,-Unsaturated ketones could be chemoselectively transfer hydrogenated by the dimer [Rh(cod)Cl]2 and Wilkinson's catalyst in ionic liquids, in contrast with molecular solvents, which resulted in the formation of saturated alcohols.
Nafion supported molybdenum oxychloride: Recyclable catalyst for one-pot synthesis of nitrones via direct condensation/oxidation of primary amines and aldehydes using UHP as oxidant
Bhawan Singh, Suman L. Jain, Praveen K. Khatri and Bir Sain,
Green Chem., 2009, 11, 1941
DOI: 10.1039/b914402a
Perfluorinated ion-exchange polymer 
Nafion
has been used for the first time as a support for the immobilization of MoOCl4 catalyst for the one-pot synthesis of nitrones under mild reaction conditions.
Four-component catalyst-free reaction in water: Combinatorial library synthesis of novel 2-amino-4-(5-hydroxy-3-methyl-1H-pyrazol-4-yl)-4H-chromene-3-carbonitrile derivatives
Kandhasamy Kumaravel and Gnanasambandam Vasuki,
Green Chem., 2009, 11, 1945
DOI: 10.1039/b913838b
A four-component catalyst-free reaction in water which conforms to several green chemistry principles coupled with the potential for building a combinatorial library has been developed for the synthesis of medicinal scaffolds.
Papers
Conversion of carbohydrates into 5-hydroxymethylfurfural in highly concentrated low melting mixtures
Florian Ilgen, Denise Ott, Dana Kralisch, Christian Reil, Agnes Palmberger and Burkhard König,
Green Chem., 2009, 11, 1948
DOI: 10.1039/b917548m
Highly concentrated melt systems consisting of ChCl and carbohydrates have been used for the conversion of the carbohydrate content into 5-hydroxymethylfurfural (HMF) in the presence of catalysts.
Polyoxometalate-based protic alkylimidazolium salts as reaction-induced phase-separation catalysts for olefin epoxidation
Yunxiang Qiao, Zhenshan Hou, Huan Li, Yu Hu, Bo Feng, Xiangrui Wang, Li Hua and Qingfa Huang,
Green Chem., 2009, 11, 1955
DOI: 10.1039/b916766h
The protic liquid salt N-dodecylimidazolium peroxotungstate has been utilized as a reaction-induced phase-separation catalyst for the highly efficient epoxidation of various olefins.
Alkylation of isobutane with 2-butene using ionic liquids as catalyst
Thi Le Thuy Bui, Wolfgang Korth, Stephan Aschauer and Andreas Jess,
Green Chem., 2009, 11, 1961
DOI: 10.1039/b913872b
Acidic ionic liquid (IL) catalysts have a less hazardous potential when compared to industrially used catalysts for the alkylation of isobutene with 2-butene. ILs or resins, both containing sulfonic acid groups, and water as proton source are mixed with Lewis acidic halogenoaluminates to form the catalysts. Their catalytic activity, selectivity and recyclability are studied and compared to sulfuric acid, the conventionally used alkylation catalyst.
Catalyst-free aqueous multicomponent domino reactions from formaldehyde and 1,3-dicarbonyl derivatives
Yanlong Gu, Rodolphe De Sousa, Gilles Frapper, Christian Bachmann, Joël Barrault and François Jérôme,
Green Chem., 2009, 11, 1968
DOI: 10.1039/b913846c
1,3-dicarbonyl derivatives and formaldehyde were successfully assembled in/on water with indole, styrene or aniline derivatives opening a new route to aqueous and catalyst-free multicomponent domino reactions
A metal-free catalytic system for the oxidation of benzylic methylenes and primary amines under solvent-free conditions
Jintang Zhang, Zhentao Wang, Ye Wang, Changfeng Wan, Xiaoqi Zheng and Zhiyong Wang,
Green Chem., 2009, 11, 1973
DOI: 10.1039/b919346b
Iodine–pyridine–tert-butylhydroperoxide is developed as a green and efficient catalytic system for the oxidation of benzylic methylenes to ketones and primary amines to nitriles.
Interaction of polyols with ruthenium metal surfaces in aqueous solution
Lars Peereboom, James E. Jackson and Dennis J. Miller,
Green Chem., 2009, 11, 1979
DOI: 10.1039/b917547b
The interaction of simple polyols with clean metallic Ru surfaces in aqueous solution provides insight into the initial stages of hydrogenolysis reactions. Glycerol and propylene glycol adsorb in quantities equivalent to one molecule per 8 to 10 surface Ru atoms. The quantity adsorbed is reduced if the metal is saturated with H2 prior to exposure to the polyol solution.
Highly efficient synthesis of thioesters in water
Hassan Zali Boeini and Maryam Eshghi Kashan,
Green Chem., 2009, 11, 1987
DOI: 10.1039/b916852d
Diverse thioesters were efficiently prepared via the reaction of tertiary thioamides with alkyl halides in the presence of catalytic amounts of NaI, hexadecyltrimethylammonium bromide (HTAB), and DABCO in water.
Ruthenium-catalyzed redox isomerization/transfer hydrogenation in organic and aqueous media: A one-pot tandem process for the reduction of allylic alcohols
Victorio Cadierno, Pascale Crochet, Javier Francos, Sergio E. García-Garrido, José Gimeno and Noel Nebra,
Green Chem., 2009, 11, 1992
DOI: 10.1039/b916117a
A simple method for the selective reduction of the C
C bond in allylic alcohols, which avoids the use of H2 gas, has been developed using ruthenium catalysts. The reactions can be efficiently performed in both organic and environmentally benign aqueous media.
Direct reduction of iron oxides based on steam reforming of bio-oil: a highly efficient approach for production of DRI from bio-oil and iron ores
Feiyan Gong, Tongqi Ye, Lixia Yuan, Tao Kan, Youshifumi Torimoto, Mitsuo Yamamoto and Quanxin Li,
Green Chem., 2009, 11, 2001
DOI: 10.1039/b915830h
A green bio-oil-based DRI process with high efficiency, temperate operating conditions, competitive cost and real environmental benefits would be a useful route to produce DRI using renewable biomass in future.
An environmentally benign catalytic oxidation of cholesteryl acetate with molecular oxygen by using N-hydroxyphthalimide
Zhen Yao, Xingbang Hu, Jianyong Mao and Haoran Li,
Green Chem., 2009, 11, 2013
DOI: 10.1039/b915737a
We successfully performed the allylic oxidation of cholestoryl acetate, using N-hydroxyphthalimide and a mixture of Co(OAc)2 and Mn(OAc)2 as catalysts with molecular oxygen under mild conditions.
Highly efficient hydrogen evolution by decomposition of formic acid using an iridium catalyst with 4,4
-dihydroxy-2,2-bipyridine
Yuichiro Himeda,
Green Chem., 2009, 11, 2018
DOI: 10.1039/b914442k
The efficient evolution of CO-free hydrogen by the decomposition of formic acid in H2O was demonstrated. A TOF of up to 14000 h-1 was obtained with an almost complete consumption of formic acid.
Novel transparent nanocomposite films based on chitosan and bacterial cellulose
Susana C. M. Fernandes, Lúcia Oliveira, Carmen S. R. Freire, Armando J. D. Silvestre, Carlos Pascoal Neto, Alessandro Gandini and Jacques Desbriéres,
Green Chem., 2009, 11, 2023
DOI: 10.1039/b919112g
New transparent nanocomposite films, based on chitosan matrices and bacterial cellulose, were prepared by a fully green procedure by casting a water based suspension of chitosan and bacterial cellulose nanofibrils.
Photooxygenation of furans in water and ionic liquid solutions
Anna Astarita, Flavio Cermola, Marina DellaGreca, Maria Rosaria Iesce, Lucio Previtera and Maria Rubino,
Green Chem., 2009, 11, 2030
DOI: 10.1039/b914726h
The photooxygenation of various substituted furans in water and in ionic liquids proceeds selectively and leads to products in good yields depending mainly on the solvent polarity and/or nucleophilicity.
Creation of highly stable monomeric Pd(II) species in an anion-exchangeable hydroxy double salt interlayer: Application to aerobic alcohol oxidation under an air atmosphere
Takayoshi Hara, Masakazu Ishikawa, Junya Sawada, Nobuyuki Ichikuni and Shogo Shimazu,
Green Chem., 2009, 11, 2034
DOI: 10.1039/b918350g
Ni–Zn mixed basic salt (NiZn)-intercalated anionic Pd complex (Pd/NiZn) catalyst prepared by anion-exchange acts as a reusable heterogeneous catalyst for aerobic alcohol oxidation.
Bio-supported palladium nanoparticles as a catalyst for Suzuki–Miyaura and Mizoroki–Heck reactions
Lina Sveidal Sřbjerg, Delphine Gauthier, Anders Thyboe Lindhardt, Michael Bunge, Kai Finster, Rikke Louise Meyer and Troels Skrydstrup,
Green Chem., 2009, 11, 2041
DOI: 10.1039/b918351p
Gram-negative bacteria were exploited as a potential green method for the preparation of an active palladium catalyst for carbon–carbon bond forming reactions.
Efficient epoxidation of alkenes with hydrogen peroxide, lactone, and lipase
Yi Xu, Na Ranong Bo Jian Khaw and Zhi Li,
Green Chem., 2009, 11, 2047
DOI: 10.1039/b913077b
An efficient oxidation system containing hydrogen peroxide, lactone, and lipase has been developed for high-yielding epoxidations of alkenes, involving lipase-catalyzed formation of hydroxy peroxy acid from lactone and in situ chemical oxidation of alkenes.
Non-catalyzed and Pt/
-Al2O3-catalyzed hydrothermal cellulose dissolution–conversion: influence of the reaction parameters and analysis of the unreacted cellulose
Véronique Jollet, Flora Chambon, Franck Rataboul, Amandine Cabiac, Catherine Pinel, Emmanuelle Guillon and Nadine Essayem,
Green Chem., 2009, 11, 2052
DOI: 10.1039/b915758a
Cellulose dissolves in water in the absence of catalyst at 190 °C under 5 MPa of H2 in a 38% ratio after 24 hours, while the presence of Pt/-Al2O3 catalyst increases the initial rate of dissolution.
Back matter
Green Chem., 2009, 11, 2061
DOI: 10.1039/b924119c
Back cover
Green Chem., 2009, 11, 2063
DOI: 10.1039/b924107h
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