ChemCatChem

Cover image for Vol. 9 Issue 13

Early View (Online Version of Record published before inclusion in an issue)

Editor: Michael Rowan; Editorial Board Chairs: Uwe Bornscheuer, Hermenegildo García, A. Stephen K. Hashmi

Impact Factor: 4.803

ISI Journal Citation Reports © Ranking: 2016: 29/145 (Chemistry Physical)

Online ISSN: 1867-3899

Associated Title(s): Advanced Synthesis & Catalysis, Angewandte Chemie International Edition, Chemistry - A European Journal, ChemBioChem, ChemElectroChem, ChemPhotoChem, ChemPhysChem, ChemSusChem

  1. Full Papers

    1. Production of Gasoline Fuel from Alga-Derived Botryococcene by Hydrogenolysis over Ceria-Supported Ruthenium Catalyst

      Yosuke Nakaji, Shin-ichi Oya, Dr. Hideo Watanabe, Prof. Dr. Makoto M. Watanabe, Dr. Yoshinao Nakagawa, Dr. Masazumi Tamura and Prof. Dr. Keiichi Tomishige

      Version of Record online: 20 JUN 2017 | DOI: 10.1002/cctc.201700200

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      Crack the C−C bond: Ceria-supported ruthenium is highly active in the C−C hydrogenolysis of hydrogenated botryococcene to gasoline-range fuel (C5–C12) at relatively low temperature (513 K). The main gasoline products are dimethylalkanes with good octane numbers and stabilities.

  2. Communications

    1. Oxygen Vacancies in Reduced Rh/ and Pt/Ceria for Highly Selective and Reactive Reduction of NO into N2 in excess of O2

      Yixiao Wang, Dr. Ramon Oord, Daniël van den Berg, Prof. Dr. Ir. Bert M. Weckhuysen and Prof. Dr. Ir. Michiel Makkee

      Version of Record online: 20 JUN 2017 | DOI: 10.1002/cctc.201700578

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      In competition: The selectivity and reactivity for the reduction of NO over C3H6 pre-reduced (noble metal-loaded) ceria catalysts are reported. Trace amounts of NO can compete with an excess of O2 to be reduced to N2 over reduced ceria and noble metal loaded ceria. Oxygen defects of ceria (directly) and deposited carbon (indirectly) are responsible for this selectivity and reactivity at a broad temperature window and high GHSV.

  3. Full Papers

    1. Efficient Synthesis of Furfuryl Alcohol and 2-Methylfuran from Furfural over Mineral-Derived Cu/ZnO Catalysts

      Xiaohai Yang, Xiaomin Xiang, Hongmei Chen, Hongyan Zheng, Yong-Wang Li and Yulei Zhu

      Version of Record online: 20 JUN 2017 | DOI: 10.1002/cctc.201700279

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      The cheaper, the better: A Cu/ZnO catalyst derived from aurichalcite having a lower copper cost shows far better performance in the furfural hydrogenation to furfuryl alcohol and 2-methylfuran than that derived from zincian malachite.

  4. Communications

    1. Nitrogen-Doped Carbon-Encapsulated Nickel/Cobalt Nanoparticle Catalysts for Olefin Migration in Allylarenes

      Dr. Søren Kramer, Dr. Jerrik Mielby, Kasper Buss, Dr. Takeshi Kasama and Prof. Dr. Søren Kegnæs

      Version of Record online: 20 JUN 2017 | DOI: 10.1002/cctc.201700316

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      “Het” the base: A heterogeneous base metal catalyst is applied for olefin migration. Specifically, this nickel/cobalt-based nanoparticle catalyst can be used to access the ubiquitous 1-propenylarene motif by means of the stereoselective olefin migration in easily accessible allylarenes.

  5. Full Papers

    1. Enzyme-Promoted Asymmetric Tandem Passerini Reaction

      Dr. Anna Żądło-Dobrowolska, Dr. Dominik Koszelewski, Daniel Paprocki, Arleta Madej, Monika Wilk and Prof. Ryszard Ostaszewski

      Version of Record online: 20 JUN 2017 | DOI: 10.1002/cctc.201700427

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      Three steps, one pot, one enzyme: Access to enantiomerically pure α-hydroxy carboxamides has been achieved by using a chemoenzymatic tandem reaction involving enzyme-catalyzed hydrolysis, subsequent Passerini reaction, and enzymatic kinetic resolution. The reported protocol may be applied for a broad range of substrates, including various aromatic and aliphatic carboxylic vinyl esters and isocyanides.

    2. Three-Dimensional Probing of Catalyst Ageing on Different Length Scales: A Case Study of Changes in Microstructure and Activity for CO Oxidation of a Pt–Pd/Al2O3 Catalyst

      Torben Nilsson Pingel, Dr. Sheedeh Fouladvand, Dr. Marc Heggen, Prof. Rafal E. Dunin-Borkowski, Prof. Wolfgang Jäger, Peter Westenberger, Daniel Phifer, Jace McNeil, Prof. Magnus Skoglundh, Prof. Henrik Grönbeck and Prof. Eva Olsson

      Version of Record online: 20 JUN 2017 | DOI: 10.1002/cctc.201700479

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      Look inside! A bimetallic Pt–Pd/Al2O3 oxidation catalyst is investigated by electron microscopic techniques, revealing its three-dimensional nano- and microstructure. Thermal treatments have a great impact on.

    3. Less Frustration, More Activity—Theoretical Insights into Frustrated Lewis Pairs for Hydrogenation Catalysis

      Dr. Manoj V. Mane and Prof. Kumar Vanka

      Version of Record online: 20 JUN 2017 | DOI: 10.1002/cctc.201700289

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      Less is more: Hydrogenation catalysis with frustrated Lewis pairs (FLPs) and their less frustrated Lewis pair (LFLP) counterparts is investigated by DFT calculations. Using LFLPs can lead to significantly increased turnover frequencies, thus revealing a design principle that can lead to highly effective FLP-based catalysts.

    4. Relationship between Acid–Base Properties and the Activity of ZrO2-Based Catalysts for the Cannizzaro Reaction of Pyruvaldehyde to Lactic Acid

      Dr. Elise M. Albuquerque, Prof. Luiz E. P. Borges, Dr. Marco A. Fraga and Prof. Carsten Sievers

      Version of Record online: 14 JUN 2017 | DOI: 10.1002/cctc.201700305

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      It's all about the acid: Lewis acid sites and mobile surface hydroxy groups play significant roles in the Cannizzaro reaction of pyruvaldehyde over ZrO2-based catalysts. Differences in the crystalline structures of two ZrO2 polymorphs strongly affects the conversion of pyruvaldehyde. The monoclinic phase of zirconia is the most active for this reaction.

    5. Ring-Opening Copolymerization of Epoxides with Cyclic Anhydrides Promoted by Bimetallic and Monometallic Phenoxy–Imine Aluminum complexes

      Florence Isnard, Prof. Dr. Marina Lamberti, Prof. Claudio Pellecchia and Prof. Dr. Mina Mazzeo

      Version of Record online: 14 JUN 2017 | DOI: 10.1002/cctc.201700234

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      Perfectly alternated: Bimetallic and monometallic phenoxy–imine aluminum complexes are very active catalysts in the ring-opening copolymerization of cyclohexene oxide and limonene oxide with anhydrides producing perfectly alternated polyesters.

    6. Synthesis of 1,5-Pentanediol by Hydrogenolysis of Furfuryl Alcohol over Ni–Y2O3 Composite Catalyst

      Husni Wahyu Wijaya, Dr. Takashi Kojima, Dr. Takayoshi Hara, Dr. Nobuyuki Ichikuni and Prof. Shogo Shimazu

      Version of Record online: 14 JUN 2017 | DOI: 10.1002/cctc.201700066

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      Two steps, together: A Ni–Y2O3 composite catalyst is employed to produce 1,5-pentanediol in the hydrogenolysis of furfuryl alcohol with high selectivity. The Ni0–Y2O3 boundary is clearly active and selective in the C−O bond hydrogenolysis.

    7. Nickel Phosphide/Silica Catalysts for the Gas-Phase Hydrogenation of Furfural to High–Added–Value Chemicals

      Carmen P. Jiménez-Gómez, Dr. Juan A. Cecilia, Dr. Ramón Moreno-Tost and Dr. Pedro Maireles-Torres

      Version of Record online: 12 JUN 2017 | DOI: 10.1002/cctc.201700312

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      Inside phosphides: Nickel phosphide catalysts supported on silica are evaluated in furfural hydrogenation. The presence of reduced phosphorus decreases the deactivation of Ni, and the presence of phosphide favors the hydrogenolysis of furfuryl alcohol to obtain 2-methylfuran.

    8. Role of Composition and Size of Cobalt Ferrite Nanocrystals in the Oxygen Evolution Reaction

      Dr. Kalapu Chakrapani, Georg Bendt, Dr. Hamidreza Hajiyani, Ingo Schwarzrock, Dr. Thomas Lunkenbein, Soma Salamon, Joachim Landers, Prof. Dr. Heiko Wende, Prof. Dr. Robert Schlögl, Prof. Dr. Rossitza Pentcheva, Prof. Dr. Malte Behrens and Prof. Dr. Stephan Schulz

      Version of Record online: 12 JUN 2017 | DOI: 10.1002/cctc.201700376

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      Enhancing exchange: Experimental and theoretical findings show that CoxNi1−xFe2O4 nanoparticles have lower binding energy differences of O and OH as well as high intrinsic electrical conductivity with structural inversion, leading to favorable oxygen evolution reaction (OER) activity compared with pure CoFe2O4 and NiFe2O4 as well as their physical mixtures.

    9. Peptide-FlgA3-Based Gold Palladium Bimetallic Nanoparticles That Catalyze the Oxygen Reduction Reaction in Alkaline Solution

      Dongliang Li, Prof. Zhenghua Tang, Prof. Shaowei Chen, Prof. Yong Tian and Prof. Xiufang Wang

      Version of Record online: 12 JUN 2017 | DOI: 10.1002/cctc.201700299

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      Alloys on my mind: Peptide-FlgA3-based AuPd bimetallic nanoparticles are fabricated and employed as an efficient electrocatalyst for the oxygen reduction reaction (ORR) in alkaline solution. The sample with a Au/Pd ratio of 1:2 exhibits the best activity, with an ORR performance comparable with that of Pt/C and a markedly higher long-term stability than Pt/C. These findings can pave the way for the fabrication of bimetallic nanoparticles with enhanced electrocatalytic properties under mild conditions.

  6. Communications

    1. Hydrogen-Economic Synthesis of Gasoline-like Hydrocarbons by Catalytic Hydrodecarboxylation of the Biomass-derived Angelica Lactone Dimer

      Fei Chang, Prof. Saikat Dutta and Prof. Mark Mascal

      Version of Record online: 12 JUN 2017 | DOI: 10.1002/cctc.201700314

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      Seeing red: Catalytic hydrodecarboxylation is used to deoxygenate the biomass-derived angelica lactone dimer to provide branched alkanes suitable for use in motor gasoline. The overall process from biomass to “cellulosic gasoline” involves four efficient, low-intensity chemical steps and consumes as little as 1 molar equivalent of external hydrogen.

  7. Full Papers

    1. Catalytic Effect of Potassium Compounds in Soot Oxidation

      Alexander Rinkenburger, Takaaki Toriyama, Prof. Dr. Kazuhiro Yasuda and Prof. Dr. Reinhard Niessner

      Version of Record online: 9 JUN 2017 | DOI: 10.1002/cctc.201700338

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      Soot, salt, and spectroscopy: The world's energy supply still relies largely on fossil fuels, with soot being one of the most unwanted byproducts of combustion. This study shows how alkali metal compounds can influence and enhance the oxidation reactivity of soot and gives new indications towards a more comprehensive understanding of combustion processes.

    2. Oxidation of d-Glucose to Glucaric Acid Using Au/C Catalysts

      Dr. Stefania Solmi, Calogero Morreale, Dr. Francesca Ospitali, Dr. Stefano Agnoli and Prof. Fabrizio Cavani

      Version of Record online: 8 JUN 2017 | DOI: 10.1002/cctc.201700089

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      From wood to polymers with gold: Carbon-supported gold nanoparticles are highly active in the direct oxidation of glucose to glucaric acid, an intermediate in the synthesis of biobased adipic acid. The catalyst outperforms Pt/C catalysts in both glucose/metal ratio and reaction conditions.

    3. Bimetallic Nickel-Iridium and Nickel-Osmium Alloy Nanoparticles and Their Catalytic Performance in Hydrogenation Reactions

      Alexander Egeberg, Christine Dietrich, Dr. Christian Kind, Dr. Radian Popescu, Prof. Dr. Dagmar Gerthsen, Priv.-Doz. Dr. Silke Behrens and Prof. Dr. Claus Feldmann

      Version of Record online: 8 JUN 2017 | DOI: 10.1002/cctc.201700168

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      Nickel helps out: The alloying of Ir and Os with Ni is highly cost efficient. Bimetallic NiIr4 and NiOs4 alloy nanoparticles show a promising catalytic performance in hydrogenation reactions. Phase composition was determined in detail by using different methods, high-resolution TEM, scanning transmission electron microscopy, selected-area electron diffraction, XRD, and energy-dispersive X-ray spectroscopy.

  8. Communications

    1. Highly Active Gold and Gold–Palladium Catalysts Prepared by Colloidal Methods in the Absence of Polymer Stabilizers

      Laura Abis, Dr. Simon J. Freakley, Georgios Dodekatos, Dr. David J. Morgan, Dr. Meenakshisundaram Sankar, Dr. Nikolaos Dimitratos, Dr. Qian He, Prof. Christopher J. Kiely and Prof. Graham J. Hutchings

      Version of Record online: 6 JUN 2017 | DOI: 10.1002/cctc.201700483

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      Catalysis au naturale: We show that polymer stabilizers are not necessary to produce catalysts that are highly active for the selective oxidation of glycerol and benzyl alcohol. Gold and gold–palladium nanoparticles prepared in the absence of polyvinyl alcohol and polyvinylpyrrolidone stabilizers show identical activity to those prepared with stabilizers, but crucially, the polymer additives alter the reaction selectivity.

  9. Full Papers

    1. Reaction Pathways for the Deoxygenation of Biomass-Pyrolysis-Derived Bio-oil on Ru: A DFT Study using Furfural as a Model Compound

      Dr. Arghya Banerjee and Prof. Samir H. Mushrif

      Version of Record online: 1 JUN 2017 | DOI: 10.1002/cctc.201700036

      Thumbnail image of graphical abstract

      Hydrodeoxygenation network: The complete reaction network of the catalytic hydrodeoxygenation of biomass-pyrolysis-derived bio-oil on a ruthenium catalyst is elucidated by using density functional theory calculations. The reaction pathways for the formation of furfuryl alcohol, tetrahydrofurfuryl alcohol, methylfuran, methyltetrahydrofuran, cyclopentanol, 1,2- and 1,5-pentane diols, furan, and pentanes are established.

    2. Fractionation of Degraded Lignin by Using a Water/1-Butanol Mixture with a Solid-Acid Catalyst: A Potential Source of Phenolic Compounds

      Dr. Yuta Nakasaka, Dr. Takuya Yoshikawa, Yuki Kawamata, Prof. Teruoki Tago, Dr. Shinya Sato, Toshimasa Takanohashi, Yoshihito Koyama and Prof. Takao Masuda

      Version of Record online: 1 JUN 2017 | DOI: 10.1002/cctc.201700104

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      Phase matters: Effective lignin depolymerization by a water/1-butanol mixture and a solid-acid catalyst requires a liquid phase. Catalytic cracking of the n-hexane soluble fraction leads to the production of phenols, while the formation of solid products is suppressed.

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