Articles with "ruthenium" as a keyword



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Fast and Durable Alkaline Hydrogen Oxidation Reaction at the Electron‐Deficient Ruthenium–Ruthenium Oxide Interface

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202208821

Abstract: The slow hydrogen oxidation reaction (HOR) kinetics under alkaline conditions remain a critical challenge for the practical application of alkaline exchange membrane fuel cells. Herein, Ru/RuO2 in‐plane heterostructures are designed with abundant active Ru–RuO2 interface… read more here.

Keywords: hydrogen oxidation; oxidation reaction; ruthenium; interface ... See more keywords
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SIMes/PCy3 mixed ligand-coordinated alkyl group-tagged ruthenium indenylidene complexes : synthesis, characterization and metathesis activity

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Published in 2018 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.4548

Abstract: We report on the synthesis and characterization of SIMes/PCy3 mixed ligand-coordinated second-generation ruthenium catalysts, bearing various 3-alkyl-1-indenylidene ligands, denoted as RuCl2(3-alkyl-1-indenylidene)(SIMes)(PCy3), in which alkyl is isopropyl (4f), tert-butyl (4g) or cyclohexyl (4h). The characterization of… read more here.

Keywords: ruthenium; simes pcy3; spectroscopy; ligand ... See more keywords
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Chemical Activation in Blood Serum and Human Cell Culture: Improved Ruthenium Complex for Catalytic Uncaging of Alloc‐Protected Amines

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Published in 2017 at "ChemBioChem"

DOI: 10.1002/cbic.201700168

Abstract: Chemical (as opposed to light‐induced) activation of caged molecules is a rapidly advancing approach to trigger biological processes. We previously introduced the ruthenium‐catalyzed release of allyloxycarbonyl (alloc)‐protected amines in human cells. A restriction of this… read more here.

Keywords: ruthenium; protected amines; alloc protected; uncaging alloc ... See more keywords
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Coupling Synergetic Effect between Ruthenium and Ruthenium Oxide with Size Effect of Ruthenium Particles on Ketone Catalytic Hydrogenation

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Published in 2017 at "ChemCatChem"

DOI: 10.1002/cctc.201601245

Abstract: Carbon black‐supported ruthenium catalysts (Ru/C) with different Ru particle sizes and varying fractions of surficial RuO2 are prepared and studied for acetone hydrogenation. The size of Ru particles and the surficial RuO2 species on the… read more here.

Keywords: ruthenium; hydrogenation; effect ruthenium; size ... See more keywords
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Plasma‐Assisted Synthesis of Monodispersed and Robust Ruthenium Ultrafine Nanocatalysts for Organosilane Oxidation and Oxygen Evolution Reactions

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Published in 2017 at "Chemcatchem"

DOI: 10.1002/cctc.201700809

Abstract: We report a facile and general approach for preparing ultrafine ruthenium nanocatalysts by using a plasma‐assisted synthesis at read more here.

Keywords: ruthenium; oxidation oxygen; oxygen evolution; plasma assisted ... See more keywords
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Hydrothermally Stable Ruthenium–Zirconium–Tungsten Catalyst for Cellulose Hydrogenolysis to Polyols

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201701113

Abstract: In this work, we describe a catalytic material based on a zirconium–tungsten oxide with ruthenium for the hydrogenolysis of microcrystalline cellulose under hydrothermal conditions. With these catalysts, polyols can be produced with high yields. High… read more here.

Keywords: ruthenium; stable ruthenium; zirconium tungsten; hydrogenolysis ... See more keywords
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Hydrogenation and Reductive Amination of Aldehydes using Triphos Ruthenium Catalysts

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201701450

Abstract: An air‐stable and readily accessible ruthenium dihydride complex catalyses aldehyde hydrogenation under neutral conditions. A high activity has been shown in a number of examples, and solvent‐free conditions are also applicable, which favours industrial‐scale applications.… read more here.

Keywords: ruthenium; aldehydes using; hydrogenation reductive; reductive amination ... See more keywords
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Ultralow Loading Ruthenium Nanoparticles on Nitrogen‐Doped Graphene Aerogel for Trifunctional Electrocatalysis

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201701691

Abstract: A three‐dimensional (3 D) nitrogen‐doped graphene aerogel (NGA) with confined ultrasmall ruthenium nanoparticles (2–4 nm) was prepared through a hydrothermal reaction of graphene oxide (GO), ammonia solution, and ruthenium trichloride hydrate, followed by high‐temperature annealing and oxidation.… read more here.

Keywords: ruthenium; nitrogen doped; graphene aerogel; ruthenium nanoparticles ... See more keywords
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Ruthenium(II)biscarboxylate‐Catalyzed Hydrogen‐Isotope Exchange by Alkene C−H Activation

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201801601

Abstract: Ruthenium(II) biscarboxylate catalysis enabled efficient hydrogen isotope exchange of acrylic C−H bonds with user‐friendly D2O. The C−H labelling was characterized by excellent positional selectivity and a broad functional group tolerance. The deuteration was successfully conducted… read more here.

Keywords: ruthenium; hydrogen isotope; ruthenium biscarboxylate; isotope exchange ... See more keywords
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Ruthenium Complexes Immobilized on an Azolium Based Metal Organic Framework for Highly Efficient Conversion of CO2 into Formic Acid

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Published in 2019 at "ChemCatChem"

DOI: 10.1002/cctc.201801701

Abstract: A series of efficient heterogenized ruthenium catalysts designated as Rux‐NHC‐MOF (x=1, 2, 3; NHC=N‐heterocyclic carbene; MOF=metal organic framework) were successfully synthesized by the immobilization of different ruthenium complexes RuCl3, [RuCp*Cl2]2 (Cp*=pentamethylcyclopentadienyl) and [Ru(C6Me6)Cl2]2 (C6Me6=hexamethylbenzene) on… read more here.

Keywords: ruthenium; mof; metal organic; co2 ... See more keywords
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Defect‐Engineered Ruthenium MOFs as Versatile Heterogeneous Hydrogenation Catalysts

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Published in 2020 at "ChemCatChem"

DOI: 10.1002/cctc.201902079

Abstract: Ruthenium MOF [Ru3(BTC)2Yy] ⋅ Gg (BTC=benzene‐1,3,5‐tricarboxylate; Y=counter ions=Cl−, OH−, OAc−; G=guest molecules=HOAc, H2O) is modified via a mixed‐linker approach, using mixtures of BTC and pyridine‐3,5‐dicarboxylate (PYDC) linkers, triggering structural defects at the distinct Ru2 paddlewheel (PW) nodes.… read more here.

Keywords: ruthenium; mofs versatile; engineered ruthenium; defect engineered ... See more keywords