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Front Cover: Internal Donors in Ziegler–Natta Systems: is Reduction by AlR3 a Requirement for Donor Clean-Up? (ChemCatChem 5/2018)
10.1002/cctc.201800269 2018-03-08 The Front Cover shows the reaction deck of a glove-box-contained robotic platform used to investigate the chemisorption of Al-alkyls and organic donors on the surface of MgCl2-supported Ziegler–Natta catalysts for the industrial production of isotactic polypr... |
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Cover Feature: Colloidal Au Catalyst Preparation: Selective Removal of Polyvinylpyrrolidone from Active Au Sites (ChemCatChem 5/2018)
10.1002/cctc.201800271 2018-03-08 The Cover Feature shows that polyvinylpyrrolidone (PVP) stabilizer is selectively removed from gold nanoparticles supported on titania by using NaBH4. In their Full Paper, B. Donoeva and P. E. de Jongh demonstrate that PVP is adsorbed both on the metal nanopa... |
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Cover Feature: Easy Access to Enantiopure (S)- and (R)-Aryl Alkyl Alcohols by a Combination of Gold(III)-Catalyzed Alkyne Hydration and Enzymatic Reduction (ChemCatChem 5/2018)
10.1002/cctc.201800272 2018-03-08 The Cover Feature shows the combination of a gold-catalyzed hydration and a biocatalytic reduction step leading to chiral aryl-ethyl alcohols in excellent optical purity. In their Communication, P. Schaaf et al. demonstrate that this sequence can be conducted... |
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Cover Feature: Insight into the Role of Pd State on Pd-Based Catalysts in o-Xylene Oxidation at Low Temperature (ChemCatChem 5/2018)
10.1002/cctc.201800273 2018-03-08 The Cover Feature shows the different effects of H2 and NaBH4 pretreatments on Pd-based catalysts for o-xylene oxidation. In their Full Paper, Y. Wang et al. show that the metallic Pd species are the active sites for the catalytic oxidation of o-xylene at low... |
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Internal Donors in Ziegler–Natta Systems: is Reduction by AlR3 a Requirement for Donor Clean-Up?
10.1002/cctc.201800270 2018-03-08 Abstract The front cover artwork for issue 5/2018 is provided by the Laboratory of Stereoselective Polymerizations, at the Department of Chemical Sciences, Federico II University of Naples, (Italy). The image shows the reaction deck of a glove-box-contained r... |
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A Novel Post‐Synthesis Modification of CuO‐CeO2 Catalysts: Effect on Their Activity for Selective CO Oxidation
10.1002/cctc.201701968 2018-03-08 Copper oxide nanoparticles were dispersed onto the surface of ceria nanorods, while a post‐synthesis modification was applied to the reference sample using ammonia solutions. The modified catalysts were characterized with a variety of analytical techniques, p... |
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Selective catalytic reduction of NOx with ammonia over novel Cu ion‐exchanged SAPO‐47 zeolites in a wide temperature range
10.1002/cctc.201800169 2018-03-07 Copper exchanged H‐SAPO‐47 zeolites were synthesized by aqueous solution ion‐exchange method and applied in the selective catalytic reduction of NO with NH3 (SCR). The microporous chabazite (CHA) structure of the catalysts was characterzied and confirmed usin... |
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Modification of salt‐templated carbon surface chemistry for efficient oxidation of glucose with supported gold catalysts
10.1002/cctc.201800104 2018-03-07 Gold nanoparticles dispersed on high surface area carbon materials are investigated as heterogeneous catalysts for the selective oxidation of D‐glucose to D‐gluconic acid in aqueous solution with molecular oxygen. Salt‐templated porous carbon supports are obt... |
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Oxidative Dehydrogenation of n‐Octane over Niobium‐Doped NiAl2O4: An Example of Beneficial Coking in Catalysis over Spinel
10.1002/cctc.201701940 2018-03-07 NiAl2O4‐based materials are known as enhanced catalysts for several catalytic applications that have coke deposition in common. In this study, Nb as a dopant was found to occupy the octahedral sites of the spinel preferably. As a result, the cation distributi... |
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Nickel Hydroxide–Cobalt Hydroxide Nanoparticle Supported Ruthenium–Nickel–Cobalt Islands as an Efficient Nanocatalyst for the Hydrogenation Reaction
10.1002/cctc.201701847 2018-03-07 The RuNiCo tri‐metallic nanocatalyst of Ru islands‐on‐nickel‐cobalt/nickel hydroxide‐cobalt hydroxide nanoparticles (Ru/NiCo/Ni(OH)2‐Co(OH)2/C) was prepared at room temperature (RT) via hydrazine hydrate reduction and galvanic replacement methods. And Ru/NiCo... |