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ruthenium catalysts

Application of tethered ruthenium catalysts to asymmetric hydrogenation of ketones, and the selective Hydrogenation of aldehydes

Application of tethered ruthenium catalysts to asymmetric hydrogenation of ketones, and the selective Hydrogenation of aldehydes

... "This is the peer reviewed version of the following article: Jolley, K. E., Zanotti-Gerosa, A., Hancock, F., Dyke, A., Grainger, D. M., Medlock, J. A., Nedden, H. G., Le Paih, J. J. M., Roseblade, S. J., Seger, A., ...

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Microwave assisted benzylic c h activation using ruthenium catalysts  Synthesis of  lactams

Microwave assisted benzylic c h activation using ruthenium catalysts Synthesis of  lactams

... microwave activation in a very short reaction time. Even if the lactams are isolated with moderate yields, the simplicity of the process and the challenging unprecedented reaction involved bring new insights into the ...

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Iron and ruthenium catalysts for hydrogen transfer reactions

Iron and ruthenium catalysts for hydrogen transfer reactions

... Cationic ruthenium (II) complexes of cyclometallated benzylic amines have been developed by Pfeffer et ...Noyori-type catalysts discussed later in which complex formation is always ...

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Modelling Reactions at the Active Sites of Chiral Ruthenium Catalysts Using Density Functional Theory54-62

Modelling Reactions at the Active Sites of Chiral Ruthenium Catalysts Using Density Functional Theory54-62

... The project, supported financially by the U.K. Department of Trade and Industry’s ‘Manufacturing Molecules Initiative’ (6), is focused on two industrially important organic reactions: (a) the production of chiral ...

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Iron and ruthenium catalysts for asymmetric synthesis

Iron and ruthenium catalysts for asymmetric synthesis

... Both experimental and computational data were found which provided additional support for the interaction between the substrate phenyl ring and metal arene ring, which is in contrast to aliphatic ketones. At the same ...

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New ruthenium catalysts for asymmetric hydrogenation

New ruthenium catalysts for asymmetric hydrogenation

... active catalysts in the main ...the ruthenium-amido bond via an unstable dihydrogen complex regenerates the ...these catalysts are selective for the hydrogenation of polar bonds (C=O, C=N) over C=C ...

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Ruthenium Indenylidene Complexes33-40

Ruthenium Indenylidene Complexes33-40

... of ruthenium indenylidene complexes which constitute robust and efficient pre-catalysts for olefin metathesis reactions, specifically ring-closing metathesis of substituted linear dienes, acyclic diene ...

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Haren Gandhi 1941–2010: Contributions to the Development and Implementation of Catalytic Emissions Control Systems43-53

Haren Gandhi 1941–2010: Contributions to the Development and Implementation of Catalytic Emissions Control Systems43-53

... platinum-rhodium-based catalysts were dis- covered to be effective in NOx reduction, during the search for NOx reduction catalysts it was found that ruthenium was particularly effective and had the ...

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The Design, Synthesis, and Application of Ruthenium Metathesis Catalysts for the Preparation of Small Molecules and Polymers

The Design, Synthesis, and Application of Ruthenium Metathesis Catalysts for the Preparation of Small Molecules and Polymers

... on ruthenium complexes in the development of an efficient ethenolysis catalyst due to their functional group tolerance and stability to air and water, which renders them easy to handle and does not require ...

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ABSTRACTS: July 1969114-120

ABSTRACTS: July 1969114-120

... The Reaction of Methylacetylene with Hydrogen Catalysed by Palladium, Platinnm, Iridium, Rhodium, and Ruthenium Catalysts.. Hydrogenation of Cyclohegtene and cis- Cyclooctene [r] ...

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Z Selectivc Olefin Metathesis using Chelating Ruthenium Alkylidene Catalysts

Z Selectivc Olefin Metathesis using Chelating Ruthenium Alkylidene Catalysts

... 27. In contrast, the bottom-bound mechanism is favored with previous unchelated ruthenium catalysts. For examples of recent computational studies of olefin metathesis with unchelated ruthenium ...

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Enantioselective hydrogenation using ruthenium complexes of tridentate ligands

Enantioselective hydrogenation using ruthenium complexes of tridentate ligands

... the ruthenium complex formed with DPEN (Scheme I-30, ...corresponding ruthenium catalysts formed with the matched BINAP enantiomer (Scheme I-30, ...supported catalysts were shown to be highly ...

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Functionalized Polymers from Ring-Opening Metathesis Polymerization Through Monomer Design

Functionalized Polymers from Ring-Opening Metathesis Polymerization Through Monomer Design

... Valenti et al. reported the acyclic diene metathesis polymerization (ADMET) of a symmetric alcohol-containing monomer (Figure A.1a). 10 The molecular weights, however, are restricted to < 3 x 10 4 g/mol when employing ...

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SUBJECT INDEX to Volume 52259-266

SUBJECT INDEX to Volume 52259-266

... Catalysts, Palladium, ( cont... Catalysts, Platinum, ( cont..[r] ...

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Ruthenium-Based Olefin Metathesis Catalysts Coordinated with NHeterocyclic Carbene Ligands: Synthesis and Applications

Ruthenium-Based Olefin Metathesis Catalysts Coordinated with NHeterocyclic Carbene Ligands: Synthesis and Applications

... A more efficient route to selective ROCM would involve the generation of end- differentiated products in a single metathesis reaction (Scheme 1, path [b]). In order to suppress dimer formation (path [a]), cycloolefins ...

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The development of phosphine free "tethered" ruthenium(II) catalysts for the asymmetric reduction of ketones and imines

The development of phosphine free "tethered" ruthenium(II) catalysts for the asymmetric reduction of ketones and imines

... tether catalysts were not as active. [26,28] Tethered catalysts, including the original 3-C-tethered 8, and the recently disclosed deriva- tives, have been applied to the ATH of a range of acetophenone ...

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Metal-Ligand Exchange Kinetics in Platinum and Ruthenium Complexes2-11

Metal-Ligand Exchange Kinetics in Platinum and Ruthenium Complexes2-11

... This overview will begin with a brief introduction to the molecular, kinetic and thermodynamic details of the coordination chemistry of medicinally relevant metals, focusing on platinum, ruthenium and other noble ...

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Chloro(η6 p cymene)(di­ethyl­di­thio­carbamato κ2S,S)­ruthenium(II)

Chloro(η6 p cymene)(di­ethyl­di­thio­carbamato κ2S,S)­ruthenium(II)

... The chemistry of transition metal±sulfur compounds has attracted much interest for their importance in the ®eld of metalloenzymes, materials precursors, and catalysts (Hidai et al., 2000). In recent years there ...

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DESIGN AND DEVELOPMENT OF PLATINUM AND RUTHENIUM METAL SUPPORTED CATALYSTS FOR SELECTIVE ORGANIC TRANSFORMATONS

DESIGN AND DEVELOPMENT OF PLATINUM AND RUTHENIUM METAL SUPPORTED CATALYSTS FOR SELECTIVE ORGANIC TRANSFORMATONS

... Various magnesium oxide crystals [commercial MgO, CM-MgO (SSA: 25 m 2 g -1 ), conventionally prepared MgO, CP-MgO (SSA: 252 m 2 g -1 ), and aerogel-prepared MgO, NAP-MgO (SSA: 590 m 2 g -1 )] were used as supports. The ...

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Properties of Stacked Cobalt: Ruthenium Oxide Thin Film

Properties of Stacked Cobalt: Ruthenium Oxide Thin Film

... Fourier Transform Infrared Spectroscopy (FT-IR) gives the information of the functional groups of compounds. Generally, metal oxides give absorption bands below 1000 cm −1 , due to interatomic vibrations. Cobalt: ...

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