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Author : Boris Imelik
Publisher :
ISBN 13 :
Total Pages : 476 pages
Book Rating : 4.:/5 (44 download)
Download or read book Catalyse par les métaux written by Boris Imelik and published by . This book was released on 1984 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 471 pages
Book Rating : 4.:/5 (865 download)
Download or read book Catalyse par les metaux written by and published by . This book was released on 1984 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas Dombray
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (87 download)
Download or read book Catalyse par les métaux de la monnaie written by Thomas Dombray and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Au cours de la dernière décennie, l'utilisation de la catalyse à l'or a connu un essor important en synthèse organique. Les complexes d'or permettent de générer des molécules complexes hautement fonctionnalisées à partir de substrats simples de manière efficace et dans des conditions réactionnelles douces. Les propriétés de cet élément découlent des effets relativistes et confèrent aux complexes d'or un caractère à la fois carbophile et oxophile. Cette dualité a été exploitée au laboratoire à travers de nombreuses réactions, notamment des réarrangements d'alcynyloxiranes en furanes ou en divinylcétones.En approfondissant ces travaux, une nouvelle méthode de synthèse d'alpha-pyrones 6 et 3,6-disubstituées à partir de beta-lactones acétyléniques a pu être développé grâce à la catalyse à l'or. Ce motif alpha-pyrone est particulièrement intéressant car il est présent dans de nombreux produits naturels dont certains ont montré une activité biologique intéressante.Toujours en exploitant la dualité des complexes d'or, nous avons tenté de générer des motifs observés dans des substances naturelles, notamment des spironolactones ou des acétals spiranniques, en variant la nature du substrat et des nucléophiles internes. Malgré plusieurs échecs, nous avons bon espoir de développer une méthode de préparation de spironolactones catalysée par l'or. Au cours de ces travaux, nous avons découvert une nouvelle méthode de déprotection des éthers de p-méthoxybenzyle, un groupement protecteur d'alcool communément utilisé en synthèse organique. Des conditions réactionnelles employant une quantité catalytique d'argent, compatible avec de nombreux groupes fonctionnels a ainsi pu être développé.
Author : Geoffrey C. Bond
Publisher : Springer Science & Business Media
ISBN 13 : 0387261117
Total Pages : 677 pages
Book Rating : 4.3/5 (872 download)
Download or read book Metal-Catalysed Reactions of Hydrocarbons written by Geoffrey C. Bond and published by Springer Science & Business Media. This book was released on 2006-10-03 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique book, drawing on the author’s lifetime experience, critically evaluates the extensive literature on the field of Metal-Catalysed Reactions of Hydrocarbons. Emphasis is placed on reaction mechanisms involving hydrogenation, hydrogenolysis, skeletal and positional isomerisation, and exchange reactions. The motivation for fundamental research in heterogeneous catalysis is to identify the physicochemical characteristics of active centres for the reaction being studied, to learn how these may be modified or manipulated to improve the desired behavior of the catalyst, and to recognize and control those aspects of the catalyst's structure that limit its overall performance. By restricting the subject of the book to hydrocarbons, Bond has progressively developed the subject matter to include areas of importance both to researchers and to those working in the industry.
Author : B. Imelik
Publisher : Elsevier
ISBN 13 : 0080954367
Total Pages : 397 pages
Book Rating : 4.0/5 (89 download)
Download or read book Metal-Support and Metal-Additive Effects in Catalysis written by B. Imelik and published by Elsevier. This book was released on 2000-04-01 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal-Support and Metal-Additive Effects in Catalysis, Volume 11, documents the proceedings of an international symposium organized by the Institut de Recherches sur la Catalyse - CNRS – Villeurbanne and sponsored by the Centre National de la Recherche Scientifique, Ecully (Lyon), September 14-16, 1982. This volume contains 40 manuscripts that cover a wide range of topics. Among these are studies of metal-support interactions involving Pt/Al2O3, Pt/TiO2,Fe/TiO2, Pt/MgO, Rh /Al2O3, and Pt/CeO2 catalysts. There are also separate chapters dealing with ethane, n-butane, and cyclohexane hydrogenolysis; skeletal isomerization of methylpentanes; the catalytic activity and selectivity of noble metals; CO hydrogenation over supported on SiO2, Al2O3, Ti O2,and Zr O2 nickel catalysts; and the role of promoters in Pd catalysts for methanol synthesis. Subsequent chapters cover the poisoning of platinum and nickel by sulfur; C6H6 and CO chemisorption on Pt78Ni22 (111) single crystal alloy; the surface composition of industrial ammonia synthesis catalysts; and the role of alkalis and electronegative promoters on Fe and Ni catalysts.
Author : Robertus J. M. Klein Gebbink
Publisher : John Wiley & Sons
ISBN 13 : 3527340610
Total Pages : 610 pages
Book Rating : 4.5/5 (273 download)
Download or read book Non-Noble Metal Catalysis written by Robertus J. M. Klein Gebbink and published by John Wiley & Sons. This book was released on 2019-04-29 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: An expert overview of current research, applications, and economic and environmental advantages The study and development of new homogeneous catalysts based on first-row metals (Mn, Fe, Co, Ni, and Cu) has grown significantly due to the economic and environmental advantages that non-noble metals present. Base metals offer reduced cost, greater supply, and lower toxicity levels than noble metals?enabling greater opportunity for scientific investigation and increased development of practical applications. Non-Noble Metal Catalysis provides an authoritative survey of the field, from fundamental concepts and computational methods to industrial applications and reaction classes. Recognized experts in organometallic chemistry and homogeneous catalysis, the authors present a comprehensive overview of the conceptual and practical aspects of non-noble metal catalysts. Examination of topics including non-innocent ligands, proton-coupled electron transfer, and multi-nuclear complexes provide essential background information, while areas such as kinetic lability and lifetimes of intermediates reflect current research and shifting trends in the field. This timely book demonstrates the efficacy of base metal catalysts in the pharmaceutical, fine-chemical, and agrochemical industries, addressing both environmental and economic concerns. Providing essential conceptual and practical exploration, this valuable resource: -Illustrates how unravelling new reactivity patterns can lead to new catalysts and new applications -Highlights the multiple advantages of using non-noble metals in homogenous catalysis -Demonstrates how the availability of non-noble metal catalysis reduces costs and leads to immense savings for the chemical industry -Reveals how non-noble metal catalysis are more sustainable than noble metals such as palladium or platinum Non-Noble Metal Catalysis: Molecular Approaches and Reactions is an indispensable source of up-to-date information for catalytic chemists, organic chemists, industrial chemists, organometallic chemists, and those seeking to broaden their knowledge of catalytic chemistry.
Author : Vanessa Narbonne
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (941 download)
Download or read book Catalyse par les métaux de transition written by Vanessa Narbonne and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: La catalyse par les métaux de transition a pris une ampleur considérable depuis quelques décennies et est devenue un outil puissant en chimie organométallique. La réaction de CH ortho fonctionnalisation, impliquant une catalyse duale palladium/norbornène, découverte à la fin des années 90, a permis une grande avancée dans le domaine des réactions multi-composantes. Elle permet d'accéder à des structures polycycliques via un mécanisme original, impliquant la formation d'un palladacycle. Elle constitue également la première réaction catalytique incluant trois états d'oxydation du palladium (0, II et IV). Dans un contexte où la chimie tend à être plus éco-compatible, nous souhaitions tirer avantage de cette réaction pour la synthèse de dibenzoazépines. Ils représentent en effet d'intéressants motifs utilisés aussi bien en organocatalyse que comme composés bioactifs, cependant les synthèses existant à ce jour ne permettent pas de diversifier la structure de ces molécules et requièrent souvent des séquences multiples étapes ou des réactifs toxiques. La synthèse de dibenzoazépines a ainsi été réalisée selon une approche à trois composants incluant une bromobenzylamine, un iodure aromatique ortho substitué et une oléfine portant un groupement électro-attracteur via une séquence de CH ortho fonctionnalisation/Heck/aza-Michael. Remarquablement, cette dernière étape présente une diastéréosélectivité totale. L'emploi de bromobenzylamine substituée racémique montre la même sélectivité grâce à un dédoublement cinétique. L'accès à un large panel de molécules, ainsi qu'aux imines correspondantes via un mécanisme de rétro-Mannich par l'emploi d'une oléfine énolisable, démontre la robustesse de la réaction d'ortho CH-fonctionnalisation. La formation de liaison carbone-carbone par les métaux de transition a été largement développée depuis quelques décennies. Cependant elle génère souvent des déchets et l'utilisation de réactifs toxiques à haute température. La catalyse photorédox connaît un vif intérêt depuis peu et a l'avantage d'utiliser la lumière comme source d'énergie couplé à une faible quantité catalytique de métal ou d'organocatalyseur. Nous avons ainsi développé une méthode de couplage biaryalique via une catalyse photorédox médiée par un complexe de ruthénium. Les précurseurs à coupler que sont les arènes diazoniums ont l'avantage de ne générer comme déchets que du diazote, et réalise une réaction de substitution homolytique aromatique sur des accepteurs aromatiques ou hétéroaromatiques. De plus elle se déroule à température ambiante en l'absence de base. Elle constitue donc une alternative pour le couplage biarylique en une chimie éco-compatible.
Author : V. Ponec
Publisher : Elsevier
ISBN 13 : 0080528651
Total Pages : 745 pages
Book Rating : 4.0/5 (85 download)
Download or read book Catalysis by Metals and Alloys written by V. Ponec and published by Elsevier. This book was released on 1995-08-29 with total page 745 pages. Available in PDF, EPUB and Kindle. Book excerpt: Catalysis by Metals and Alloys
Author : Gian Paolo Chiusoli
Publisher : Royal Society of Chemistry
ISBN 13 : 1788018419
Total Pages : 312 pages
Book Rating : 4.7/5 (88 download)
Download or read book Metal-catalysis in Industrial Organic Processes written by Gian Paolo Chiusoli and published by Royal Society of Chemistry. This book was released on 2019-04-05 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Catalysis underpins most modern industrial organic processes. It has become an essential tool in creating a 'greener' chemical industry by replacing more traditional stoichiometric reactions, which have high energy consumption and high waste production, with mild processes which increasingly resemble Nature's enzymes. Metal-Catalysis in Industrial Organic Processes considers the major areas of the field and discusses the logic of using catalysis in industrial processes. The book provides information on oxidation, hydrogenation, carbonylation, C-C bond formation, metathesis and polymerization processes, as well as on the mechanisms involved. In addition two appendices offer a concise treatment of homogeneous and heterogenous catalysis. Numerous exercises referring to problems of catalytic processes, and research perspectives complete the book. This definitive reference source, written by practising experts in the field, provides detailed and up-to-date information on key aspects of metal catalysis.
Author : Paul J. Dyson
Publisher : Springer Science & Business Media
ISBN 13 : 1402039158
Total Pages : 255 pages
Book Rating : 4.4/5 (2 download)
Download or read book Metal Catalysed Reactions in Ionic Liquids written by Paul J. Dyson and published by Springer Science & Business Media. This book was released on 2006-01-24 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal Catalysed Reactions in Ionic Liquids is the first non-edited book on the subject of metal catalyzed reactions in ionic liquids to cover the literature from its origins until early 2005. Following a general introduction to the field of biphasic/multiphasic catalysis, the book moves on to describe the synthesis, the functionalisation, and fundamental properties of ionic liquids relevant to catalysis. It then analyses the catalysed reactions according to their type, encompassing hydrogenation, hydroformylation, oxidation, C-C coupling reactions, metathesis, dimerisation, polymerisation and more. Trends, generalisations, advantages and disadvantages of ionic liquids for specific reaction types are also examined as well as specific processes such as supported ionic liquid phase catalysis, continuous processes using CO2 extraction and nanoparticle catalysis. Metal Catalysed Reactions in Ionic Liquids is of interest to those working in catalysis/green chemistry, in particular to advanced level undergraduate and graduate students and researchers in bi- or multiphasic catalysis using ionic liquids.
Author : Y. Iwasawa
Publisher : Springer Science & Business Media
ISBN 13 : 9400952619
Total Pages : 343 pages
Book Rating : 4.4/5 (9 download)
Download or read book Tailored Metal Catalysts written by Y. Iwasawa and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : CHRISTIAN.. LORBER
Publisher :
ISBN 13 :
Total Pages : 270 pages
Book Rating : 4.:/5 (49 download)
Download or read book CATALYSE HOMOGENE PAR LES COMPLEXES OXO DES METAUX DE TRANSITION written by CHRISTIAN.. LORBER and published by . This book was released on 1995 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: LA PREMIERE PARTIE DE CE TRAVAIL DECRIT L'ETUDE DE L'ISOMERISATION DES ALCOOLS ALPHA-ACETYLENIQUES EN DERIVES CARBONYLES ALPHA, BETA-ETHYLENIQUES, CATALYSEE PAR DES COMPLEXES DE METAUX DE TRANSITION. UNE GRANDE PARTIE EST CONSACREE A LA RECHERCHE DE NOUVEAUX CATALYSEURS, ET A CONDUIT AU DEVELOPPEMENT DE NOUVEAUX SYSTEMES CATALYTIQUES BASES SUR L'UTILISATION DES COMPOSES OXO DU RHENIUM (VII) ET DU MOLYBDENE (VI). NOUS NOUS SOMMES AUSSI INTERESSES AU MECANISME D'ACTION DE CES CATALYSEURS VIS-A-VIS DU REARRANGEMENT DES ALCOOLS PROPARGYLIQUES, EN PARTICULIER PAR DES ETUDES D'ENRICHISSEMENT ISOTOPIQUE A L'#1#7O ET PAR LA CARACTERISATION D'INTERMEDIAIRES REACTIONNELS: COMPLEXES METHYLBUTYNOXO DU TITANE(IV) OU DU MOLYBDENE(VI) ET COMPLEXES PI-ACETYLENIQUES DU CUIVRE (I). LA DEUXIEME PARTIE DE CE MEMOIRE TRAITE D'UNE NOUVELLE FACON DE CONCEVOIR ET DE REALISER L'OXYDATION CATALYTIQUE DES ALCOOLS EN DERIVES CARBONYLES, VIA REACTION DE TRANSFERT D'ATOME D'OXYGENE CATALYSEE PAR DES COMPLEXES CIS-DIOXO DU MOLYBDENE(VI), EN PRESENCE DE COOXYDANTS TELS QUE LES SULFOXYDES. NOUS AVONS AUSSI MIS AU POINT UN NOUVEAU SYSTEME CATALYTIQUE D'OXYDATION DES ALCOOLS PAR L'OXYGENE MOLECULAIRE, QUI EST BASE SUR L'UTILISATION CONJOINTE D'UN METAL-OXO (MO#V#I, V#V, CR#V#I, W#V#I, RE#V#I#I, RU#V#I#I ET OS#V#I#I#I) ET DE COMPOSES DU CU#I#I (OU DU CO#I#I#I, FE#I#I#I ET MN#I#I#I) AFIN D'ACTIVER L'OXYGENE MOLECULAIRE. NOS ETUDES PERMETTENT DE MIEUX COMPRENDRE LE MECANISME IMPLIQUE DANS CES OXYDATIONS D'ALCOOLS, ET DE PROPOSER UN CYCLE CATALYTIQUE A CES TRANSFORMATIONS
Author : Jianbo Wang
Publisher : John Wiley & Sons
ISBN 13 : 3527347992
Total Pages : 450 pages
Book Rating : 4.5/5 (273 download)
Download or read book Transition Metal-Catalyzed Carbene Transformations written by Jianbo Wang and published by John Wiley & Sons. This book was released on 2022-05-16 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents an up-to-date overview of the rapidly growing field of carbene transformations Carbene transformations have had an enormous impact on catalysis and organometallic chemistry. With the growth of transition metal-catalyzed carbene transformations in recent decades, carbene transformations are today an important compound class in organic synthesis as well as in the pharmaceutical and agrochemical industries. Edited by leading experts in the field, Transition Metal-Catalyzed Carbene Transformations is a thorough summary of the most recent advances in the rapidly expanding research area. This authoritative volume covers different reaction types such as ring forming reactions and rearrangement reactions, details their conditions and properties, and provides readers with accurate information on a wide range of carbene reactions. Twelve in-depth chapters address topics including carbene C-H bond insertion in alkane functionalization, the application of engineered enzymes in asymmetric carbene transfer, progress in transition-metal-catalyzed cross-coupling using carbene precursors, and more. Throughout the text, the authors highlight novel catalytic systems, transformations, and applications of transition-metal-catalyzed carbene transfer. Highlights the dynamic nature of the field of transition-metal-catalyzed carbene transformations Summarizes the catalytic radical approach for selective carbene cyclopropanation, high enantioselectivity in X-H insertions, and bio-inspired carbene transformations Introduces chiral N,N'-dioxide and chiral guanidine-based catalysts and different transformations with gold catalysis Discusses approaches in cycloaddition reactions with metal carbenes and polymerization with carbene transformations Outlines multicomponent reactions through gem-difunctionalization and transition-metal-catalyzed cross-coupling using carbene precursors Transition Metal-Catalyzed Carbene Transformations is essential reading for all chemists involved in organometallics, including organic and inorganic chemists, catalytic chemists, and chemists working in industry.
Author :
Publisher : Editions Bréal
ISBN 13 : 2749520614
Total Pages : 416 pages
Book Rating : 4.7/5 (495 download)
Download or read book written by and published by Editions Bréal. This book was released on with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Boris Imelik
Publisher :
ISBN 13 : 9780444421111
Total Pages : 384 pages
Book Rating : 4.4/5 (211 download)
Download or read book Catalysis by zeolites written by Boris Imelik and published by . This book was released on 1982 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roger Sheldon
Publisher : Elsevier
ISBN 13 : 0323150047
Total Pages : 447 pages
Book Rating : 4.3/5 (231 download)
Download or read book Metal-Catalyzed Oxidations of Organic Compounds written by Roger Sheldon and published by Elsevier. This book was released on 2012-12-02 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal-Catalyzed Oxidations of Organic Compounds: Mechanistic Principles and Synthetic focuses on the oxidative transformations of functional groups. This book explores oxidation as being extensively used in the laboratory synthesis of fine organic chemicals and in the manufacture of large-volume petrochemicals. Organized into two parts encompassing 13 chapters, this book starts with an overview of the mechanistic principles of oxidation–reduction in biochemical, organic, and inorganic systems. This text then proceeds with a discussion of the use of molecular oxygen, hydrogen peroxide, and alkyl hydroperoxides as primary oxidants. Other chapters explore stoichiometric oxidations with metal oxidants, which include permanganate and chromic acid. This book discusses as well the synthetic applications of catalytic oxidations as well as the technology of petrochemical oxidation. The final chapter deals with the autoxidations of sulfur, phosphorus, and nitrogen compounds. This book is intended for chemists involved in organic synthesis, catalysis, and organometallic chemistry, both in academic institutions and in industrial laboratories.
Author : Philippe Serp
Publisher : John Wiley & Sons
ISBN 13 : 3527830170
Total Pages : 912 pages
Book Rating : 4.5/5 (278 download)
Download or read book Supported Metal Single Atom Catalysis written by Philippe Serp and published by John Wiley & Sons. This book was released on 2022-02-09 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt: b”Supported Metal Single Atom CatalysisCovers all key aspects of supported metal single atom catalysts, an invaluable resource for academic researchers and industry professionals alike Single atom catalysis is one of the most innovative and dynamic research areas in catalysis science. Supported metal catalysts are used extensively across the chemical industry, ranging from fine and bulk chemical production to petrochemicals. Single atom catalysts (SACs) combine the advantages of both homogeneous and heterogeneous catalysts such as catalyst stability, activity, and high dispersion of the active phase. Supported Metal Single Atom Catalysis provides an authoritative and up-to-date overview of the emerging field, covering the synthesis, preparation, characterization, modeling, and applications of SACs. This comprehensive volume introduces the basic principles of single atom catalysis, describes metal oxide and carbon support materials for SAC preparation, presents characterization techniques and theoretical calculations, and discusses SACs in areas including selective hydrogenation, oxidation reactions, activation of small molecules, C-C bond formation, and biomedical applications. Highlights the activity, selectivity, and stability advantages of supported metal SACs compared to other heterogeneous catalysts Covers applications of SACs in thermal catalysis, electrocatalysis, and photocatalysis Includes chapters on single atom alloys and supported double and triple metal atom catalysts Discusses the prospects, challenges, and potential industrial applications of SACs Supported Metal Single Atom Catalysis is an indispensable reference for all those working in the fields of catalysis, solid-state chemistry, materials science, and spectroscopy, including catalytic chemists, organic chemists, electrochemists, theoretical chemists, and industrial chemists.
