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The Synthesis And Characterization Of New Platinum Gold And Silver Complexes And Their Application As Hydrosilylation Catalysts
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Book Synopsis The Synthesis and Characterization of New Platinum, Gold and Silver Complexes, and Their Application as Hydrosilylation Catalysts by : Bradley M. Wile
Download or read book The Synthesis and Characterization of New Platinum, Gold and Silver Complexes, and Their Application as Hydrosilylation Catalysts written by Bradley M. Wile and published by . This book was released on 2007 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Late transition metal complexes are traditionally employed as catalysts for a variety of organic transformations. The hydrosilylation reaction represents the formal addition of a Si-H bond to an unsaturated organic substrate, and is one such transformation that has received much attention in the scientific literature. The recent development of a series of P,N- and P-substituted indene ligands by the Stradiotto group prompted a study of group 10 and 11 complexes derived from these complexes. Synthesis and structural characterization of Pd(II), Pt(II), Au(III) and Au(I) species is reported, followed by stability and reactivity studies for these complexes. Selected complexes, as well as several M(I)/phosphine (M = Ag, Au) mixtures were evaluated as catalysts for the hydrosilylation reaction. Comparison of a neutral Pt(II) complex and a closely related neutral, charge-separated Au(III) zwitterion reveals significant differences in stability and reactivity, as well as in catalytic competence for the hydrosilylation of alkenes. Key Pt(II) complexes also display interesting reactivity that points to the potential for related species to accomplish intermolecular C-H bond activation. The Ag(I) and Au(I) catalyst systems described represent the first examples of Ag-mediated and room temperature Au-mediated hydrosilylation reactions, and as such, represent a significant contribution to scientific development. Future directions and proposed modifications to substituted indene ligands are discussed.
Book Synopsis Synthesis and Characterization of Novel Palladium and Platinum Phosphanylhydrazine Complexes and Their Potential Use as Catalysts by : Douglas J. Schaffer
Download or read book Synthesis and Characterization of Novel Palladium and Platinum Phosphanylhydrazine Complexes and Their Potential Use as Catalysts written by Douglas J. Schaffer and published by . This book was released on 2009 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of New Gold and Silver Complexes Based on P/N and P/S Ligands by : Vashen Moodley
Download or read book Synthesis and Characterization of New Gold and Silver Complexes Based on P/N and P/S Ligands written by Vashen Moodley and published by . This book was released on 2013 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Platinum Monolayer Electrocatalysts by : Radoslav Adzic
Download or read book Platinum Monolayer Electrocatalysts written by Radoslav Adzic and published by Springer Nature. This book was released on 2020-08-11 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes a science and technology of a new type of electrocatalysts consisting of a single atomic layer of platinum on suitable supports. This development helped overcome three major obstacles—catalysts‘ cost, activity, and stability—for a broad range of fuel cell applications. The volume begins with a short introduction to the science of electrocatalysis, covering four reactions important for energy conversion in fuel cells. A description follows of the properties of metal monolayers on electrode surfaces, and underpotential deposition of metals. The authors then describe the concept of Pt monolayer electrocatalysts and its implications and their synthesis by galvanic displacement of less-noble metal monolayers and other methods. The main part of the book presents a discussion of catalysts’ characterization and catalytic properties of Pt monolayers for the four main reactions of electrochemical energy conversion: oxygen reduction and oxidation of hydrogen, methanol and ethanol. The book concludes with a treatment of scale-up syntheses, fuel cell tests, catalysts’ stability and application prospects.
Book Synopsis Exploring the Bonding and Reaction Chemistry of Gold and Platinum Complexes by : Bruce Wayne Flint
Download or read book Exploring the Bonding and Reaction Chemistry of Gold and Platinum Complexes written by Bruce Wayne Flint and published by . This book was released on 2001 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Platinum complexes have been synthesized and characterized. Relative Pt-X Bond Dissociation Energies (BDE's) for these complexes have been calculated from experimentally measured equilibrium and organic BDE's. Changes in relative BDE's are noted when ligands for the complexes are exchanged. Oxygen atom transfer reactions by a new platinum hydroxo catalyst have been studied. This catalyst is generated by the reaction of a platinum oxo complex with water and catalytically activates the reaction of the this complex with ethylene. The kinetics of this reaction have been studied and a reaction pathway has been proposed. The synthesis and characterization of a series of heteroatom substituted gold imido complexes have been reported. It has been demonstrated that the stability of gold imido complexes has a linear free energy relationship with the donor strength of the adjacent phosphine ligand. The decomposition of the complex involves the release of a free nitrene. Larger phosphine ligands retard the decomposition, and the decomposition is blocked by alkylation of the hydrazido ligand.
Book Synopsis Catalysis by Precious Metals, Past and Future by : Marcela Martinez Tejada
Download or read book Catalysis by Precious Metals, Past and Future written by Marcela Martinez Tejada and published by MDPI. This book was released on 2020-04-15 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: The future of the precious metals is shiny and resistant. Although expensive and potentially replaceable by transition metal catalysts, precious metal implementation in research and industry shows potential. These metals catalyze oxidation and hydrogenation due to their dissociative behavior toward hydrogen and oxygen, dehydrogenation, isomerization, and aromatization, etc. The precious metal catalysts, especially platinum-based catalysts, are involved in a variety of industrial processes. Examples include Pt–Rh gauze for nitric acid production, the Pt/Al2O3 catalyst for cyclohexane and propylene production, and Pd/Al2O3 catalysts for petrochemical hydropurification reactions, etc. A quick search of the number of published articles in the last five years containing a combination of corresponding “metals” (Pt, Pd, Ru, Rh and Au) and “catalysts” as keywords indicates the importance of the Pt catalysts, but also the continuous increase in the contribution of Pd and Au. This Special Issue reveals the importance of precious metals in catalysis and focuses on mono- and bi-metallic formulations of any supported precious metals and their promotional catalytic effect of other transition metals. The application of precious metals in diverse reactions, either homogeneous or heterogeneous, and studies of the preparation, characterization, and applications of the supported precious metal catalysts, are presented.
Book Synopsis Modern Gold Catalyzed Synthesis by : A. Stephen K. Hashmi
Download or read book Modern Gold Catalyzed Synthesis written by A. Stephen K. Hashmi and published by John Wiley & Sons. This book was released on 2012-05-21 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: With its impressive features, gold has led to completely new reaction types in recent years, which in turn have strongly influenced both organic catalysis and material science. Other fields where a significant amount of new results has been obtained include nanotechnology, self assembly/supramolecular systems and biochemical/medicinal chemistry. As a result, gold is one of the hottest topics in catalysis at the moment, with an increasing amount of research being carried out in this field. While focusing on homogeneous catalysis, this monograph also covers the main applications in heterogeneous catalysis. Following a look at the gold-catalyzed addition of heteroatom nucleophiles to alkynes, it goes on to discuss gold-catalyzed additions to allenes and alkenes, gold-catalyzed benzannulations, cycloisomerization and rearrangement reactions, as well as oxidation and reduction reactions. The whole is finished off with a section on gold-catalyzed aldol and related reactions and the application of gold-catalyzed reactions to natural product synthesis. Of interest to synthetic chemists and inorganic chemists, as well as organic chemists working in homogeneous catalysis, physical and technical chemists.
Book Synopsis Synthesis and Characterization of New Nickel and Copper Model Complexes for Biological and Organic Catalysts by : Edurne Erquicia
Download or read book Synthesis and Characterization of New Nickel and Copper Model Complexes for Biological and Organic Catalysts written by Edurne Erquicia and published by . This book was released on 2000 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Silver Catalysis in Organic Synthesis by : Chao-Jun Li
Download or read book Silver Catalysis in Organic Synthesis written by Chao-Jun Li and published by John Wiley & Sons. This book was released on 2018-12-07 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers all the aspects of the recent achievements in silver catalyzed reactions Silver catalysis has emerged as a powerful tool in the field of organic synthesis. This comprehensive book systematically explores the unique performance of silver catalysis, introducing all the recent progress of silver catalysis in organic synthesis. It clearly emphasizes the unique features of silver catalysis and provides the reaction mechanism involved. This two-volume book also provides vivid schematics and tables throughout to enhance the accessibility to the relevant theory and mechanisms. Silver Catalysis in Organic Synthesis begins with an introduction to Silver Chemistry before moving on to chapters covering: Silver-Catalyzed Cycloaddition Reactions; Silver-Catalyzed Cyclizations; Silver-Mediated Radical Reactions; Silver-Mediated Fluorination, Perfluoroalkylation and Trifluoromethylthiolation Reactions; Coupling Reactions and C-H Functionalization; Silver-Catalyzed CO2 Incorporation; Silver-Catalyzed Carbene, Nitrene, and Silylene Transfer Reactions; Asymmetric Silver-Catalyzed Reactions; Silver-Catalyzed Reduction and Oxidation of Aldehydes and Their Derivatives; Silver Complexes in Organic Transformations; and Silver Nanoparticles in Organic Transformations. -Covers recently developed organic reactions catalyzed by silver, along with their reaction mechanism -Introduces many new reactions and mechanisms related to silver catalysis -Offers professionals and newcomers in the related fields a survey of new advances in silver catalysis in organic synthesis Silver Catalysis in Organic Synthesis will appeal to a wide readership including chemists, biochemists, pharmaceutical scientists, biomedical researchers, agriculture scientists, and graduate students in the related fields.
Book Synopsis Silver Catalysis in Organic Synthesis, 2 Volume Set by : Chao-Jun Li
Download or read book Silver Catalysis in Organic Synthesis, 2 Volume Set written by Chao-Jun Li and published by John Wiley & Sons. This book was released on 2019-04-29 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers all the aspects of the recent achievements in silver catalyzed reactions Silver catalysis has emerged as a powerful tool in the field of organic synthesis. This comprehensive book systematically explores the unique performance of silver catalysis, introducing all the recent progress of silver catalysis in organic synthesis. It clearly emphasizes the unique features of silver catalysis and provides the reaction mechanism involved. This two-volume book also provides vivid schematics and tables throughout to enhance the accessibility to the relevant theory and mechanisms. Silver Catalysis in Organic Synthesis begins with an introduction to Silver Chemistry before moving on to chapters covering: Silver-Catalyzed Cycloaddition Reactions; Silver-Catalyzed Cyclizations; Silver-Mediated Radical Reactions; Silver-Mediated Fluorination, Perfluoroalkylation and Trifluoromethylthiolation Reactions; Coupling Reactions and C-H Functionalization; Silver-Catalyzed CO2 Incorporation; Silver-Catalyzed Carbene, Nitrene, and Silylene Transfer Reactions; Asymmetric Silver-Catalyzed Reactions; Silver-Catalyzed Reduction and Oxidation of Aldehydes and Their Derivatives; Silver Complexes in Organic Transformations; and Silver Nanoparticles in Organic Transformations. -Covers recently developed organic reactions catalyzed by silver, along with their reaction mechanism -Introduces many new reactions and mechanisms related to silver catalysis -Offers professionals and newcomers in the related fields a survey of new advances in silver catalysis in organic synthesis Silver Catalysis in Organic Synthesis will appeal to a wide readership including chemists, biochemists, pharmaceutical scientists, biomedical researchers, agriculture scientists, and graduate students in the related fields.
Book Synopsis Synthesis and characterization of new transition metal complexes for catalytic oxidation and electrolytic proton reduction by : Olesea Cuzan
Download or read book Synthesis and characterization of new transition metal complexes for catalytic oxidation and electrolytic proton reduction written by Olesea Cuzan and published by . This book was released on 2016 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nowadays, the ability to synthesize new bioinspired metal catalysts to improve and broaden the spectrum of catalytic activity is of paramount importance for sustainable chemistry respectful for our environment. This thesis is focused on the design of transition metal complexes (copper and palladium) based on two different classes of organic ligands: benzotriazolyl-phenolates and phosphonates.Different original complexes based on palladium and copper were synthetized from benzotriazolyl-phenolate and phosphonates ligands. The characterization of the new compounds was performed by different physical and physico-chemical methods (electrochemistry, EPR, UV-vis, IR, X-ray crystallography) and quantum chemistry. The generation and characterization of different reduced and oxidized species helped us in the possible mechanisms determination. The obtained compounds were successfully employed as catalysts in different processes as: hydrogen production, alcohol oxidation and DNA cleavage.
Book Synopsis Synthesis and Characterization of New Silver(I) and Palladium(II) Compounds and Their Use as Precursors for the Study of Chemical Vapor Deposition of Metal and Matal Alloy Films Via Aerosol Precursor Delivery by : Chongying Xu
Download or read book Synthesis and Characterization of New Silver(I) and Palladium(II) Compounds and Their Use as Precursors for the Study of Chemical Vapor Deposition of Metal and Matal Alloy Films Via Aerosol Precursor Delivery written by Chongying Xu and published by . This book was released on 1996 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of Bimetallic Platinum-gold Catalysts by : Corina Mihut
Download or read book Synthesis and Characterization of Bimetallic Platinum-gold Catalysts written by Corina Mihut and published by . This book was released on 2002 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gold And Silver Co-Operative Catalysis For Carbon Bond Formation by : Pradp Bgle
Download or read book Gold And Silver Co-Operative Catalysis For Carbon Bond Formation written by Pradp Bgle and published by . This book was released on 2023-09-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a comprehensive guidebook that covers the recent advances in gold and silver co-operative catalysis for carbon-carbon and carbon-heteroatom bond formation. The use of gold and silver in catalysis has revolutionized the field of organic synthesis, allowing for the development of new reactions and strategies that were previously inaccessible. The Book provides an in-depth discussion of the various gold and silver co-operative catalysis strategies and their application in the synthesis of a wide range of organic molecules, including pharmaceuticals, natural products, and materials. The author describes the key steps involved in these reactions, including the design of suitable catalysts, optimization of reaction conditions, and purification of the products. Also covers the use of gold and silver co-operative catalysis in the synthesis of other important compounds such as heterocycles, carbenes, and vinylidene complexes. The author discusses the advantages and limitations of gold and silver co-operative catalysis compared to other catalytic systems and provides practical guidance for researchers interested in using these catalysts in their own synthetic projects. Overall, "Gold and Silver Co-Operative Catalysis for Carbon Bond Formation" is an essential reference for synthetic chemists, medicinal chemists, and material scientists who are interested in the development of new catalytic systems for carbon-carbon and carbon-heteroatom bond formation using gold and silver co-operative catalysis.
Book Synopsis Transition Metal and Rare Earth Compounds III by : Hartmut Yersin
Download or read book Transition Metal and Rare Earth Compounds III written by Hartmut Yersin and published by Springer Science & Business Media. This book was released on 2004-11-18 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contribution by numerous experts
Book Synopsis Synthesis and Characterization of [beta]-diiminate Complexes of Platinum (IV) and Gold (III) by : Jong Ho Kim
Download or read book Synthesis and Characterization of [beta]-diiminate Complexes of Platinum (IV) and Gold (III) written by Jong Ho Kim and published by . This book was released on 1980 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalytic Application of Nano-Gold Catalysts by : Neeraj Kumar Mishra
Download or read book Catalytic Application of Nano-Gold Catalysts written by Neeraj Kumar Mishra and published by BoD – Books on Demand. This book was released on 2016-08-31 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gold, considered catalytically inactive for a long time, is now a fascinating partner of modern chemistry, as scientists such as Bond, Teles, Haruta, Hutchings, Ito and Hayashi opened new perspectives for the whole synthetic chemist community. Recently gold has attracted significant attention due to its advantageous characteristics as a catalytic material and since it allows easy functionalization with biologically active molecules. In this context, when gold is prepared as very small particles, it turns out to be a highly active catalyst. However, such a phenomenon completely disappears when the gold particle size grows into the micrometer range. Therefore, the preparation for obtaining an active gold catalyst is so important. The primary objective of this book is to provide a comprehensive overview of gold metal nanoparticles and their application as promising catalysts.
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