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Development Of New Catalysts For The Vinylcyclopropane 5 2 Cycloaddition And New Approaches To Cyclopentenone Synthesis
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Book Synopsis Development of New Catalysts for the Vinylcyclopropane [5+2] Cycloaddition and New Approaches to Cyclopentenone Synthesis by : Travis Jesse Williams
Download or read book Development of New Catalysts for the Vinylcyclopropane [5+2] Cycloaddition and New Approaches to Cyclopentenone Synthesis written by Travis Jesse Williams and published by . This book was released on 2005 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Development of New Transition Metal-catalyzed Two-and Three-component Cycloaddition Reactions by : Nicole Marie Deschamps
Download or read book Design and Development of New Transition Metal-catalyzed Two-and Three-component Cycloaddition Reactions written by Nicole Marie Deschamps and published by . This book was released on 2006 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Design and Development of a New Reaction: Rhodium-catalyzed [5+2] Cycloadditions by : Jennifer Ann Love
Download or read book The Design and Development of a New Reaction: Rhodium-catalyzed [5+2] Cycloadditions written by Jennifer Ann Love and published by . This book was released on 2000 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comprehensive Dissertation Index by :
Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1989 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Development of New Ruthenium Catalyzed Reactions and a New Strategy for Cyclopentenone Synthesis by : Anthony Bruce Pinkerton
Download or read book The Development of New Ruthenium Catalyzed Reactions and a New Strategy for Cyclopentenone Synthesis written by Anthony Bruce Pinkerton and published by . This book was released on 2001 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rhodium-catalyzed Cycloadditions and Cycloisomerizations Involving Propargylic Esters and Alcohols by : Xiaoxun Li
Download or read book Rhodium-catalyzed Cycloadditions and Cycloisomerizations Involving Propargylic Esters and Alcohols written by Xiaoxun Li and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transition metal-catalyzed cyloaddition and cycloisomerization reactions occupy a central position within the realm of organic synthesis. Research described in this thesis focuses on using propargylic esters and alcohols as building blocks for rhodium(I)-catalyzed cycloadditions and cycloisomerizations. The discovery and application of combining the [pi]-acidity and redox/insertion reactivity of rhodium(I) complexes, led to the development of many new reactions. By taking advantage of Rh-catalyzed 1,3-acyloxy migration of propargylic esters, I developed two tandem reactions. One is Rh-catalyzed carbonylation of 3-acyloxy-1,4-enynes (ACEs) for the synthesis of highly substituted cyclopentenones, and the other is ring expansion of cyclopropanes or cyclobutanes for the preparation of highly functionalized seven-membered or eight-membered carbocycles. By taking advantage of Rh-catalyzed 1,2-acyloxy migration of propargylic esters adjacent to heterocycles, I developed a novel and practical method for the preparation of a series of heterocycles including indoles, benzofurans, carbazoles and benzothiophenes from substituted pyrroles, furans, indoles and thiophenes. Inspired by the first Rh-catalyzed intra- and intermolecular [5+2] cycloadditions of 3-acyloxy-1,4-enynes (ACEs) with alkynes, I developed a new five-carbon building block, an inverted ACE, for [5+2] cycloadditions by switching the position of the alkene and alkyne groups in ACE. By replacing the acyloxy group in ACE with OH leaving group and aniline nucleophile, a completely new type of 5-carbon building block (HYE) was designed for cycloadditions. The tandem indole annulation and [5+1] cycloaddition was realized for the synthesis of various highly substituted carbazoles. Natural products glycosinine and mahanimbine were prepared. Furthermore, indolyl Rh(I)-carbene could be generated from 3-hydroxy-1,4-enyne (HYE) through a dehydration process. With different N-protecting group, I prepared dimeric indoles, cyclopropyl indoles, vinyl indoles and other interesting indole derivatives.
Book Synopsis Ammonia Synthesis Catalysts by : Huazhang Liu
Download or read book Ammonia Synthesis Catalysts written by Huazhang Liu and published by World Scientific. This book was released on 2013 with total page 895 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a review of worldwide developments in ammonia synthesis catalysts over the last 30 years. It focuses on the new generation of Fe1-xO based catalysts and ruthenium catalysts - both are major breakthroughs for fused iron catalysts. The basic theory for ammonia synthesis is systematically explained, covering topics such as the chemical components, crystal structure, preparation, reduction, performance evaluation, characterization of the catalysts, the mechanism and kinetics of ammonia synthesis reaction. Both theory and practice are combined in this presentation, with emphasis on the research methods, application and exploitation of catalysts. The comprehensive volume includes an assessment of the economic and engineering aspects of ammonia plants based on the performance of catalysts. Recent developments in photo-catalysis, electro-catalysis, biocatalysis and new uses of ammonia are also introduced in this book. The author, Professor Huazhang Liu, has been engaged in research and practice for more than 50 years in this field and was the inventor of the first Fe1-xO based catalysts in the world. He has done a lot of research on Fe3O4 based- and ruthenium based-catalysts, and has published more than 300 papers and obtained 21 patents during his career.
Book Synopsis Artificial Metalloenzymes and MetalloDNAzymes in Catalysis by : Montserrat Diéguez
Download or read book Artificial Metalloenzymes and MetalloDNAzymes in Catalysis written by Montserrat Diéguez and published by John Wiley & Sons. This book was released on 2018-02-21 with total page 1200 pages. Available in PDF, EPUB and Kindle. Book excerpt: An important reference for researchers in the field of metal-enzyme hybrid catalysis Artificial Metalloenzymes and MetalloDNAzymes in Catalysis offers a comprehensive review of the most current strategies, developed over recent decades, for the design, synthesis, and optimization of these hybrid catalysts as well as material about their application. The contributors—noted experts in the field—present information on the preparation, characterization, and optimization of artificial metalloenzymes in a timely and authoritative manner. The authors present a thorough examination of this interesting new platform for catalysis that combines the excellent selective recognition/binding properties of enzymes with transition metal catalysts. The text includes information on the various applications of metal-enzyme hybrid catalysts for novel reactions, offers insights into the latest advances in the field, and contains an informative perspective on the future: Explores the development of artificial metalloenzymes, the modern and strongly evolving research field on the verge of industrial application Contains a comprehensive reference to the research area of metal-enzyme hybrid catalysis that has experienced tremendous growth in recent years Includes contributions from leading researchers in the field Shows how this new catalysis combines the selective recognition/binding properties of enzymes with transition metal catalysts Written for catalytic chemists, bioinorganic chemists, biochemists, and organic chemists, Artificial Metalloenzymes and MetalloDNAzymes in Catalysis offers a unique reference to the fundamentals, concepts, applications, and the most recent developments for more efficient and sustainable synthesis.
Book Synopsis Regeneration of Spent Catalyst and Impregnation of Catalyst by Supercritical Fluid by : Farid M. Gumerov
Download or read book Regeneration of Spent Catalyst and Impregnation of Catalyst by Supercritical Fluid written by Farid M. Gumerov and published by Nova Science Publishers. This book was released on 2016 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: A catalyst is a material of constant composition, which accelerates the rate of a chemical reaction by providing a suitable reaction pathway with the lowest activation energy. As the activation energy is lower, more reaction products are formed in the same period of time. Most catalytic reactions encountered in hydrocarbon processing are carried out with porous catalysts to provide a sufficient surface area for the metal dispersion and the ensuing reaction. These catalysts gradually lose their catalytic activity, usually through structural changes, poisoning, or the deposit of extraneous material. A catalyst which can no longer exhibit the necessary activity and/or is specificity required by the user is referred to as a "spent catalyst". Catalysts are critical to the chemical industry and are now used in most industrial chemical processes. Along with the rapid development and wide application of catalysis technology, the amounts of different spent catalysts are increased from year to year. The physical properties of spent catalysts, as well as their composition, are generally different from those of fresh catalysts. For example, spent hydrotreating catalysts contain metal sulfides and coke, and may have additional contaminants that were not present in the fresh catalyst. Catalyst regeneration involves the processing of spent catalysts in order to make them reusable. This is done by restoring the initial properties of spent catalysts and thus restoring their efficiency through a process called regeneration of catalysts. Traditional methods of vapor-air regeneration are energy-consuming and severely limit the number of regeneration cycles. Using supercritical fluid CO2-extraction process, according to some estimates, provides a two-fold energy savings and an increasing number of regeneration cycles possible. This book gathers a series of studies describing new methods for the regeneration of heterogeneous catalysts for important industrial chemical processes. In this book we propose new extraction techniques using supercritical fluid extraction (SFC), which seems to be one of the most promising as a green reaction medium. The feasibility of using supercritical fluid ?2 extraction process was investigated in particular for spent catalyst regeneration. The low regeneration temperature of supercritical carbon dioxide eliminates the risk of thermal deterioration of the catalyst (namely the collapse of the pores), prevents the reduction of the surface area and the sintering, and allows regeneration of catalysts with an activity close to that of fresh catalysts. The results of the implementation of the supercritical fluid ?2 extraction process with respect to samples of industrial deactivated catalysts are provided. A comparison of the characteristics of the regenerated catalyst samples by traditional approaches and the SC-CO2 extraction process is carried out. The possibility of using a supercritical fluid CO2 impregnation technique in the synthesis of a palladium catalyst is also studied.
Book Synopsis Cooperative Catalysis by : René Peters
Download or read book Cooperative Catalysis written by René Peters and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalysis of Organic Reactions by : Michael L. Prunier
Download or read book Catalysis of Organic Reactions written by Michael L. Prunier and published by CRC Press. This book was released on 2008-12-24 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Apply an Omnibus of Knowledge from Leaders in the Field The unexpected diversity of topics presented at previous gatherings forced organizers of 2008’s 22nd Conference on Catalysis of Organic Reactions to expand its format to reflect the remarkable current degree of specialization in the field. Catalysis of Organic Reactions contains a compilation of papers presented at the event, and subsequently, few books will be able to match the breadth and depth of its content. Featuring papers by respected scientists from academia, industry, and the governmental research-and-development sector, it covers various aspects of the production, sale, and use of catalysts for practical purposes. Articles concentrate on the general area of catalyzed synthesis, emphasizing the production of organic chemicals. With a focus on application rather than theory, the dominant theme is the traditionally practiced area of heterogeneous catalysis. Topics include: Hydrogenation and hydrogenolysis C-C coupling Amination and oxidation (including the precious metal, supported base metal, and sponge metal, Raney process, and homogeneous catalyst types) End uses of products, including industrial petrochemicals, fine chemicals, and pharma intermediates Those working with applied catalysis will benefit greatly from this consolidation of insights and reviews of the latest developments in the field. Each of the papers presented were edited by ORCS members, drawn from both academia and industry, and peer-reviewed by experts in related fields of study.
Book Synopsis Modern Organonickel Chemistry by : Yoshinao Tamaru
Download or read book Modern Organonickel Chemistry written by Yoshinao Tamaru and published by John Wiley & Sons. This book was released on 2006-03-06 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organonickel chemistry plays an increasingly important role in organic chemistry, and interest in this topic is now just as keen as in organopalladium chemistry. While there are numerous, very successful books on the latter, a book specializing in organonickel chemistry is long overdue. Edited by one of the leading experts in the field, this volume covers the many discoveries made over the past 30 years, and previously scattered throughout the literature. Active researchers working at the forefront of organonickel chemistry provide a comprehensive review of the topic, including cross-coupling reactions, asymmetric synthesis and heterogeneous catalysis reaction types. A must-have for both organometallic chemists and synthetic organic chemists.
Book Synopsis Synthesis and Properties of New Catalysts by : Edward W. Corcoran
Download or read book Synthesis and Properties of New Catalysts written by Edward W. Corcoran and published by . This book was released on 1990 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Principles and Methods for Accelerated Catalyst Design and Testing by : E.G. Derouane
Download or read book Principles and Methods for Accelerated Catalyst Design and Testing written by E.G. Derouane and published by Springer. This book was released on 2002-07-31 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: High throughput experimentation has met great success in drug design but it has, so far, been scarcely used in the field ofcatalysis. We present in this book the outcome of a NATO ASI meeting that was held in Vilamoura, Portugal, between July 15 and 28, 2001, with the objective of delineating and consolidating the principles and methods underpinning accelerated catalyst design, evaluation, and development. There is a need to make the underlying principles of this new methodology more widely understood and to make it available in a coherent and integrated format. The latter objective is particularly important to the young scientists who will constitute the new catalysis researchers generation. Indeed, this field which is at the frontier offundamental science and may be a renaissance for catalysis, is one which is much more complex than classical catalysis itself. It implies a close collaboration between scientists from many disciplines (chemistry, physics, chemical and mechanical engineering, automation, robotics, and scientific computing in general). In addition, this emerging area of science is also of paramount industrial importance, as progress in this area would collapse the time necessary to discover new catalysts or improve existing ones.
Book Synopsis The Art of Writing Reasonable Organic Reaction Mechanisms by : Robert B. Grossman
Download or read book The Art of Writing Reasonable Organic Reaction Mechanisms written by Robert B. Grossman and published by Springer Science & Business Media. This book was released on 2007-07-31 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intended for students of intermediate organic chemistry, this text shows how to write a reasonable mechanism for an organic chemical transformation. The discussion is organized by types of mechanisms and the conditions under which the reaction is executed, rather than by the overall reaction as is the case in most textbooks. Each chapter discusses common mechanistic pathways and suggests practical tips for drawing them. Worked problems are included in the discussion of each mechanism, and "common error alerts" are scattered throughout the text to warn readers about pitfalls and misconceptions that bedevil students. Each chapter is capped by a large problem set.
Book Synopsis Inventing Reactions by : Lukas J. Gooßen
Download or read book Inventing Reactions written by Lukas J. Gooßen and published by Springer. This book was released on 2012-10-30 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Barry Trost: Transition metal catalyzed allylic alkylation.- Jeffrey W. Bode: Reinventing Amide Bond Formation.- Naoto Chatani and Mamoru Tobisu: Catalytic Transformations Involving the Cleavage of C-OMe Bonds.- Gregory L. Beutner and Scott E. Denmark: The Interplay of Invention, Observation and Discovery in the Development of Lewis Base Activation of Lewis Acids for Catalytic Enantioselective Synthesis.- David R. Stuart and Keith Fagnou: The Discovery and Development of a Palladium(II)-Catalyzed Oxidative Cross-Coupling of Two Unactivated Arenes.- Lukas Gooßen and Käthe Gooßen: Decarboxylative Cross-Coupling Reactions.- A. Stephen K. Hashmi: Gold-Catalyzed Organic Reactions.- Ben List: Developing Catalytic Asymmetric Acetalizations.- Steven M. Bischof, Brian G. Hashiguchi, Michael M. Konnick, and Roy A. Periana: The De NovoDesign of CH Bond Hydroxylation Catalysts.- Benoit Cardinal-David, Karl A. Scheidt: Carbene Catalysis: Beyond the Benzoin and Stetter Reactions.- Kenso Soai and Tsuneomi Kawasaki: Asymmetric autocatalysis of pyrimidyl alkanol.- Douglas C. Behenna and Brian M. Stoltz: Natural Products as Inspiration for Reaction Development: Catalytic Enantioselective Decarboxylative Reactions of Prochiral Enolate Equivalents. Hisashi Yamamoto: Acid Catalysis in Organic Synthesis.
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