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Noble Metal Noble Value

Author: Xiao-Feng Wu
Publisher: World Scientific
ISBN: 1783269251
Size: 16.95 MB
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Heterocyclic chemistry constitutes the largest branch of chemistry, covering almost two-thirds of literature in the field. In addition, around 90% of naturally-occurring molecules have heterocycles as their core structure. Therefore, as a central part of organic chemistry, the discovery of new methodologies in synthesizing heterocyclic compounds is essential to their continued application and development. Transition metal catalysts offer a low cost and often low toxicity pathway for heterocycles synthesis, while the use of noble metals represents an alternative form of experimentation which is discussed in the book. Noble Metals, Noble Value provides the first comprehensive analysis of the applications of the noble metals of ruthenium (Ru), rhodium (Rh) and palladium (Pd) catalysts in heterocycles synthesis. Pairs of chapters are dedicated to summarizing each of the metals when applied to either five- or six-membered heterocyclic syntheses. An introduction to the importance of heterocycles and possible procedures for the preparation of heterocyclic compounds is also given. With up to date research and findings, this review is excellently suited to academics and professionals in the field of chemistry, with a particular focus on the specialities of biological, catalytic and organic chemistry. Contents:Ru-Catalyzed Five-Membered Heterocycles SynthesisRuthenium Catalysis in the Synthesis of Six-Membered HeterocyclesRh-Catalyzed Five-Membered Heterocycle SynthesisRh-Catalyzed Six-Membered Heterocycles SynthesisPalladium-Catalyzed Synthesis of Five-Membered HeterocyclesPd-Catalyzed Six-Membered Heterocycles SynthesisPd-Catalyzed Synthesis of Sulfur- and Phosphorus-Containing Heterocycles via C-H ActivationPd-Catalyzed Heterocycles Synthesis in Ionic Liquids Readership: Academics and professionals in the field of chemistry, with a particular focus on the specialities of biological, catalytic and organic chemistry.

Photoorganocatalysis In Organic Synthesis

Author: Fagnoni Maurizio
Publisher: World Scientific
ISBN: 1786346060
Size: 75.17 MB
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The use of organocatalysts able to photocatalyze an organic reaction is a rapidly growing field. These photocatalyzed transformations are more environmentally sustainable with respect to the use of expensive/toxic metal-based (photo)catalysts.Based on the authors' extensive experience in photogenerated intermediates, this book presents an overview on photocatalyzed organic processes having a synthetic significance, where an organic molecule functions as the photocatalyst.After a brief introduction defining the nature and the characteristics of a photoorganocatalyst (POC), the chapters are organized according to the class of POC used, as detailed below.Each chapter begins with a summary of the photophysical characteristics of the POCs and is followed by selected examples of synthetic applications. The last two chapters are devoted to the adoption of photoorganocatalysis in polymerization and to flow photoorganocatalysis. These in-depth explanations and practical applications make this title an essential reading for any chemistry student interested in organic (sustainable) synthesis.

Electro Catalysis At Chemically Modified Solid Surfaces

Author: Simonet Jacques
Publisher: World Scientific
ISBN: 1786342456
Size: 28.53 MB
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This book documents Professor Jacques Simonet's contribution to building new electrode materials and their related catalytic reactions. Research includes synthesis of new alloys of palladium, discovery of new composite electrodes (including gold- and silver-graphene) and the creation of new materials through judicious cathodic or anodic doping. Additionally, studies demonstrate the malleability and reactivity of previously unused precious and semi-precious metals for the creation of 2D and 3D catalytic materials. Studies key to innovative research show how transition metals may reversibly cathodically insert small size electro-active molecules such as CO2 and O2, and be applied to methods of depollution brought by carbon and nitrogen oxides. Written for practical use, Simonet has provided both theory and tools needed for those aiming to recreate and develop his experiments in electrochemical catalysis and surface modifications. This full publication of research gives graduate and post-graduate students of chemistry, electrochemistry and catalysis an in-depth insight into key historical and modern developments in the field.

Hydroprocessing Catalysts And Processes The Challenges For Biofuels Production

Author: Seddon Duncan
Publisher: World Scientific
ISBN: 1786344858
Size: 41.10 MB
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The demand for hydroprocessing catalysts has shown an increasing trend, because of their applications in refining of petroleum and biofuels, in order to comply with strict environmental regulations controlling emissions from transportation vehicles. Transport fuel is dominated by fossil fuels with carbon emission intensive production methods. If we are to move away from these sources, the alternative is to produce liquid fuels from agricultural stocks -- crops, crop waste, forestry waste or algae. Converting these feedstocks into high quality fuels is a considerable challenge. By describing the current status in processing agricultural feedstock into high quality liquid transport fuels, the authors set out the means to develop better chemistry and catalysis for the necessary conversion processes. This book offers an intriguing insight into the mechanisms and protocols involved in new hydroprocessing catalysts and processes, and covers the methods for upgrading these liquids to modern transport vehicles suitable for operation in modern gasoline and diesel engines. It provides an introduction to the mechanism of hydroprocessing reactions, application of different metals in hydroprocessing, the effect of catalyst supports, applications in refining new feedstock, renewable fuels standards, the management of spent hydroprocessing catalysts, and hydrogen production. Hydroprocessing Catalysts and Processes will prove useful for both researchers in academe and industry concerned with future fuels development and treatment to produce current and future liquid transport fuels. Contents: PrefaceHydroprocessing and the ChemistryStabilization of Bio-Oil to Enable Its Hydrotreating to Produce Bio-FuelsHydroprocessing Catalysts: Inexpensive Ni Based Non-Sulfided CatalystsCatalytic Upgrading of Pinewood Pyrolysis Bio-Oil Over Carbon-Encapsulated Bimetallic Co-Mo Carbides and Sulfides CatalystsHydroprocessing Catalysts for Algal BiofuelsEffects of Catalyst Support on HydroprocessingCommercial Hydroprocessing Processes for Bio-FeedstockRenewable Fuels and Fuel Regulations and StandardsSpent Hydroprocessing Catalysts ManagementHydrogen Production Readership: Graduate students in catalysis, refinery feedstock operations and planners, fuel technologists. Keywords: Hydrodesulfurization;Hydrodenitrogenation;Hydrodeoxygenation;Hydrogenation;Hydrocracking;Hydrodemetallization;Hydroprocessing Catalyst Model;Bio-Oil Stabilization;Ni Based Catalysts;Cobalt-Molybdenum Carbide Catalysts;Algal Biofuels;Support Effect;Commercial Hydroprocessing Processes for Bio-feedstock;Neste MY;BP;Ecofining;ENI;Honeywell-UOP;Bio-Synfining;Vegan;HydroFlex;Renewable Fuels Standards;Spent Hydroprocessing Catalyst;Hydrogen ProductionReview: Key Features: Most recent books related to hydroprocessing catalysts were published over 8 years agoNew challenges in biorefining and petroleum refining have required development of entirely new catalyst formulations and improvements of currently used catalystsIt is anticipated that the consumption of hydroprocessing catalysts will show a significant increase in the near future

New And Future Developments In Catalysis

Author: Steven L Suib
Publisher: Newnes
ISBN: 0444538836
Size: 20.47 MB
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New and Future Developments in Catalysis is a package of books that compile the latest ideas concerning alternate and renewable energy sources and the role that catalysis plays in converting new renewable feedstock into biofuels and biochemicals. Both homogeneous and heterogeneous catalysts and catalytic processes will be discussed in a unified and comprehensive approach. There will be extensive cross-referencing within all volumes. This volume presents a complete picture of all carbon dioxide (CO2) sources, outlines the environmental concerns regarding CO2, and critically reviews all current CO2 activation processes. Furthermore, the volume discusses all future developments and gives a critical economic analysis of the various processes. Offers in-depth coverage of all catalytic topics of current interest and outlines future challenges and research areas A clear and visual description of all parameters and conditions, enabling the reader to draw conclusions for a particular case Outlines the catalytic processes applicable to energy generation and design of green processes

Angewandte Homogene Katalyse

Author: Arno Behr
Publisher: Wiley-VCH Verlag GmbH
ISBN: 9783527316663
Size: 44.25 MB
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Die homogene Übergangsmetallkatalyse ist noch eine noch junge Wissenschaft, hat aber bereits zahlreiche großindustrielle Anwendungen gefunden. Langkettige Olefine, Essigsäure, Adipodinitril und Aldehyde werden heute überwiegend homogen-katalytisch hergestellt. Die Stärke der homogenen Katalyse liegt aber insbesondere bei der Synthese von Pharma- und Feinchemikalien, wo wenige Syntheseschritte eine lange Anfolge von Stufenreaktionen überflüssig machen. Dieses Buch gibt einen kompakten Überblick über die Prinzipien und Reaktionsmöglichkeiten der Homogenkatalyse, verdeutlicht an ausgesuchten Einzelbeispielen. Studierende, Chemiker und Ingenieure können dieses Buch zum ausführlichen Studium oder als Nachschlagewerk nutzen.

Heterocyclenchemie

Author: T. L. Gilchrist
Publisher: Wiley-VCH
ISBN: 9783527292233
Size: 11.26 MB
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Jetzt gibt es endlich den Heterocyclen-Klassiker auch in Deutsch! Die Vorzuge des englischsprachigen Originals kennzeichnen auch das vorliegende Werk. Didaktisch hervorragend aufgebaut, werden allgemeine Aspekte der Chemie der Heterocyclen in den ersten Kapiteln prasentiert; in der zweiten Halfte des Buches werden die wichtigsten Ringsysteme vorgestellt, geordnet nach Ringgro?e und Komplexitat. Vorteile fur den Leser: * enthalt Richtlinien fur die Nomenklatur der Heterocyclen * technische Synthesen von Heterocyclen sowie wichtige Hersteller werden tabellarisch vorgestellt * das Lernen der Namensreaktionen in der Heterocyclenchemie wird durch ein separates Register erleichtert * ein eigenes Kapitel ist der Literatur der Heterocyclen gewidmet und bietet einen aktuellen Uberblick uber die wichtigsten deutsch- und englischsprachigen Publikationen * ausfuhrlich werden aktuelle Forschungsrichtungen der Heterocyclenchemie, z. B. der Einsatz von Heterocyclen als Synthesebaustein und Organometallreagenzien in der Heterocyclensynthese behandelt Als Lehrbuch und Nachschlagewerk fur Studenten nach dem Vordiplom und fur Wissenschaftler ist dieses Buch unersetzlich.

Issues In Chemistry And General Chemical Research 2011 Edition

Author:
Publisher: ScholarlyEditions
ISBN: 1464963290
Size: 43.17 MB
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Issues in Chemistry and General Chemical Research: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Chemistry and General Chemical Research. The editors have built Issues in Chemistry and General Chemical Research: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Chemistry and General Chemical Research in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Chemistry and General Chemical Research: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Enzyklop Die Der Technischen Chemie

Author: Fritz Ullmann
Publisher: Verlag Der Wissenschaften
ISBN: 9783957003898
Size: 50.56 MB
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"Vor ungefahr zwei Jahren trat die Firma Urban und Schwarzenberg mit dem Vorschlage an mich heran, eine Enzyklopadie der technischen Chemie herauszugeben, die ungefahr 10 Bande umfassen und im Verlaufe von 3 - 4 Jahren erscheinen sollte. So wurde denn in fast 2jahriger angestrengter Vorarbeit der Grundplan fur das gesamte Werk entworfen und die Anordnung sowie der Umfang der einzelnen aufzunehmenden Artikel festgestellt. Den Gegenstand des auf breitester Basis angelegten Werkes bilden nicht nur die chemische Grossindustrie und die Metallhuttenkunde mit ihren maschinellen und apparativen Hilfsmitteln, sondern auch die zahlreichen Grenzgebiete, welche sich mit der stofflichen Veranderung oder der Veredelung der Materie uberhaupt befassen. Dem enzyklopadischen Charakter des Werkes entsprechend, musste die Anordnung des Stoffes alphabetisch sein. Doch schien es im Interesse der Ubersichtlichkeit und zur Vermeidung von Wiederholungen zweckmassig, Gebiete, welche stofflich eng zusammen gehoren, auch ausserlich aneinander zu schliessen. Um die Benutzung des Werkes in jeder nur denkbaren Weise zu erleichtern, dienen zur schnelleren Auffindung einer Substanz ausser den zahlreichen Hinweisen die jedem Bande beigegebenen sehr ausfuhrlichen Sachregister; den Schluss soll ein Generalregister bilden, welches die ganze Enzyklopadie umfassen wird. Fur die Rechtschreibung gilt durchweg die wissenschaftliche Schreibweise nach Jansen." [...] Der hier vorliegende siebte Band der "Enzyklopadie der technischen Chemie" erlautert von "Kunstharz" bis "Natrium" und ist mit uber 315 historischen Abbildungen illustriert. Der Verlag der Wissenschaften verlegt historische Literatur bekannter und unbekannter wissenschaftlicher Autoren. Dem interessierten Leser werden so teilweise langst nicht mehr verlegte Werke wieder zugangig gemacht. Das vorliegende Buch ist ein unveranderter Nachdruck der historischen Originalausgabe der zweiten neu bearbeiteten Auflage von 1931."