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Author: Pedro J. Pérez Publisher: Springer Science & Business Media ISBN: 9048136989 Category : Science Languages : en Pages : 277
Book Description
Over the past decade, much research effort has been devoted to the design and synthesis of new reagents and catalysts that can influence carbon-hydrogen bond activation, mainly because of the prospect that C−H activation could enable the conversion of cheap and abundant alkanes into valuable functionalized organic compounds. Alkane C-H Activation by Single-Site Metal Catalysis presents the current state-of-the-art development in the catalytic systems for the catalytic trans-formations of alkanes under homogeneous conditions. Chapter 1 offers a comprehensive summary of the main discoveries realized so far. Chapter 2 reviews the so-called electrophilic activation, initiated by Shulpín in the late 60s, and the base for the Catalytica system. Chapter 3 examines the catalytic borylation of alkanes, discovered by Hartwig, whereas chapter 4 provides an updated vision of the alkane dehydrogenation reaction. Chapter 5 covers the oxygenation of C-H bonds, a field of enormous interest with bioinorganic im-plications, and finally chapter 6 presents the functionalization of alkane C-H bonds by carbene or nitrene insertion. The history of C-H bond activation, and the current research described in this book, highlight the current research and present the reader with an outlook of this field which continues to be explored by an increasingly visionary and enthusiastic group of organic, organometallic, biological and physical chemists.
Author: Pedro J. Pérez Publisher: Springer Science & Business Media ISBN: 9048136970 Category : Science Languages : en Pages : 277
Book Description
Over the past decade, much research effort has been devoted to the design and synthesis of new reagents and catalysts that can influence carbon-hydrogen bond activation, mainly because of the prospect that C−H activation could enable the conversion of cheap and abundant alkanes into valuable functionalized organic compounds. Alkane C-H Activation by Single-Site Metal Catalysis presents the current state-of-the-art development in the catalytic systems for the catalytic trans-formations of alkanes under homogeneous conditions. Chapter 1 offers a comprehensive summary of the main discoveries realized so far. Chapter 2 reviews the so-called electrophilic activation, initiated by Shulpín in the late 60s, and the base for the Catalytica system. Chapter 3 examines the catalytic borylation of alkanes, discovered by Hartwig, whereas chapter 4 provides an updated vision of the alkane dehydrogenation reaction. Chapter 5 covers the oxygenation of C-H bonds, a field of enormous interest with bioinorganic im-plications, and finally chapter 6 presents the functionalization of alkane C-H bonds by carbene or nitrene insertion. The history of C-H bond activation, and the current research described in this book, highlight the current research and present the reader with an outlook of this field which continues to be explored by an increasingly visionary and enthusiastic group of organic, organometallic, biological and physical chemists.
Author: E.G. Derouane Publisher: Springer ISBN: 9789048149995 Category : Science Languages : en Pages : 492
Book Description
Light alkanes tend to be resistant to many forms of activation. The horizontal approach of the present book covers homogeneous, heterogeneous and biological catalysis, thus allowing readers to gain an awareness of progress and ideas in research areas different from their own. The book contains both general chapters, giving an overview of the subject, and specialised contributions that deal with the details and state of the art. A specialist report is also included which gives a critical insight into current progress and discusses future prospects and major challenges. Audience: Newcomers and senior researchers in the field of alkane activation. The mixed theoretical and practical approach will be of interest to researchers and industrialists alike.
Author: A.E. Shilov Publisher: Springer Science & Business Media ISBN: 0792361016 Category : Science Languages : en Pages : 551
Book Description
This monograph is devoted to the activation and various transformations of saturated hydrocarbons (alkanes), i.e. reactions accompanied by the C-H and C-C bond cleavage. Alkanes are the main constituents of oil and natural gas, and consequently are the principal feedstocks for the chemical industry. On the other hand, these substances are known to be the least reactive organic compounds. Special attention is paid to the recently found alkane activations in the presence of metal complexes, which are described in more detail. In addition to the reactions of saturated hydrocarbons which are the main topic of this book, the activation of C-H bonds in arenes and even olefins and acetylenes are considered. The monograph will be useful not only for those who are interested in the activation of alkanes and other hydrocarbons by metal complexes, but also for specialists in homogeneous and heterogeneous catalysis, petrochemistry, and organometallic chemistry. Some parts of the monograph will be of interest for specialists in inorganic and organic chemistry, theoretical chemistry, biochemistry and even biology, and also for those who work in the petrochemical industry, industrial organic synthesis and biotechnology.
Author: Pedro J. Pérez Publisher: Springer Science & Business Media ISBN: 9048136989 Category : Science Languages : en Pages : 277
Book Description
Over the past decade, much research effort has been devoted to the design and synthesis of new reagents and catalysts that can influence carbon-hydrogen bond activation, mainly because of the prospect that C−H activation could enable the conversion of cheap and abundant alkanes into valuable functionalized organic compounds. Alkane C-H Activation by Single-Site Metal Catalysis presents the current state-of-the-art development in the catalytic systems for the catalytic trans-formations of alkanes under homogeneous conditions. Chapter 1 offers a comprehensive summary of the main discoveries realized so far. Chapter 2 reviews the so-called electrophilic activation, initiated by Shulpín in the late 60s, and the base for the Catalytica system. Chapter 3 examines the catalytic borylation of alkanes, discovered by Hartwig, whereas chapter 4 provides an updated vision of the alkane dehydrogenation reaction. Chapter 5 covers the oxygenation of C-H bonds, a field of enormous interest with bioinorganic im-plications, and finally chapter 6 presents the functionalization of alkane C-H bonds by carbene or nitrene insertion. The history of C-H bond activation, and the current research described in this book, highlight the current research and present the reader with an outlook of this field which continues to be explored by an increasingly visionary and enthusiastic group of organic, organometallic, biological and physical chemists.
Author: Geoffrey C. Bond Publisher: Springer ISBN: 9781441936943 Category : Science Languages : en Pages : 0
Book Description
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: Cheng Chien-Hong Publisher: Thieme Chemistry ISBN: 9783131711410 Category : Organic compounds Languages : en Pages : 0
Book Description
The reference work Science of Synthesis: Catalytic Transformations via C-H Activation covers the state of the art in C-H activation chemistry. Experts in the field present the best synthetic methods including typical or general experimental procedures. As such, this two volume set can serve as both a basis for the practical application of the techniques discussed, and as an educational resource to lay the foundations for future research. Volume 1 concerns the formation of C-C bonds by both arene and hetarene C-H activation. For the arenes the material is subdivided into arylation (using palladium(0), palladium(II)/palladium(IV), palladium(II), and ruthenium(II) catalysts), vinylation (using various palladium and ruthenium(III) catalysts), and alkylation (using various metal catalysts in combination with either functionalized alkanes or alkenes). For the hetarenes, the related coupling strategies are covered as a single topic using a variety of metal catalysts and coupling partners.
Author: Naohiko Yoshikai Publisher: Georg Thieme Verlag ISBN: 3132453811 Category : Science Languages : en Pages : 698
Book Description
Recent advances in catalytic methods based on earth-abundant metals are discussed. Catalysis with earth-abundant metals, often referred to as base metals, is having a transformative impact on synthetic chemistry. Research in this area is driven not only by the common interest in the sustainability of chemical synthesis but also by the vast opportunity to discover and develop novel reaction chemistry that is not attainable with rare and precious metal catalysts. This work provides representative developments in base-metal catalysis, specifically catalysis with 3d-transition metals, in a format suitable for practitioners of organic synthesis. Volume 1 is focused on recent advances in copper and nickel catalysis, including Ullmann-type coupling, reductive coupling and cross-coupling reactions, CH activation and functionalization, and alkene hydrofunctionalization and difunctionalization. Methods for the installation of important functional groups such as trifluoromethyl and carboxyl, and for the aerobic oxidation of alcohols are also covered.
Author: Victor Fung Publisher: ISBN: 9781085781657 Category : Alkanes Languages : en Pages : 265
Book Description
The selective conversion of alkanes to high value products remains a monumental catalytic challenge. Significant gaps in our knowledge remain regarding the mechanistic details of alkane activation and the chemical nature of the catalytically active sites for this class of reactions. In this thesis, systematic and thorough first principles studies of alkane activation on several major classes of promising materials, ranging from metal oxide surfaces to metal clusters and single metal atom sites, have provided us with the insight to tackle these open questions. To further expand these findings towards a comprehensive search of catalytically active materials, we developed chemical and catalytic descriptors which can predict these properties at a fraction of the computational cost. We find on oxide surfaces, the homolytic C-H activation pathway is favored, and correlated with the reducibility of the lattice oxygen. We identify hydrogen adsorption energy and vacancy formation as strongly correlated energetic descriptors for C-H activation energy and CH3 adsorption energy, which we use to predict catalytic properties of doped Co3O4 and compositionally diverse perovskite surfaces. To provide a structure-activity link between the oxygen and alkane activation, we developed a generally applicable coordination number descriptor, 'ACN, ' which can quickly predict C-H activation barriers on various oxides. Furthermore, we identify a bulk descriptor, the metal-oxygen crystal orbital Hamilton population, which is correlated to the adsorption energy of radical adsorbates such as hydrogen and methyl. Meanwhile on metal clusters, structural fluxionality plays a pivotal role in catalytic performance. In the model system of Pt10-13, we utilize various structural features to identify Pt10 as a magic number cluster with low fluxionality which can explain its experimental inertness to alkanes. On single atoms, we demonstrate how heterolytic C-H cleavage pathway can be tuned through the metal d-orbital occupation and the substrate electronic band gap. These findings have allowed us to identify promising single atom catalysts with the elusive low-temperature methane activation ability. The work in this thesis aims to provide valuable descriptors and design principles for alkane activation and theoretical predictions of promising catalysts.
Author: Pedro J. Pérez
Author: Pedro J. Pérez
Author: E.G. Derouane
Author: A.E. Shilov
Author: Pedro J. Pérez
Author: Mu-Jeng Cheng
Author: Geoffrey C. Bond
Author: Cheng Chien-Hong
Author: Naohiko Yoshikai
Author: Victor Fung
Author: V. Ponec