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Author: Steven Michael Bischof Publisher: ISBN: Category : Activation (Chemistry) Languages : en Pages : 846
Book Description
The conversion of hydrocarbon resources (oil and natural gas) to useful products constitutes a major portion of industrial chemistry; wherein, the products of such processes are utilized in the manufacture of materials, commodity chemicals, and pharmaceuticals. One possible method for overcoming this challenge is the design of new catalysts that operate via the C-H activation reaction coupled to an efficient M-R functionalization using transition metal catalysts. However, very few efficient C-H functionalization catalysts have been reported in the literature. The development of new methods to functionalize M-R intermediates and their coupling to C-H activation may meet this challenge. This thesis presents work focused on two core areas related to C-H bond functionalization, C-H activation and M-R functionalization. C-H activation involves the formation of an activated of metal-carbon intermediate by scission of a hydrocarbon C-H bond. This is followed by functionalization of the incipient metal-carbon intermediate to generate C-X bonds. The concepts related to choosing such a two-step, C-H activation/M-R functionalization, approach are presented in Chapter 1. Following chapters focus on independent study of C-H activation and M-R functionalization reactions, with a final emphasis on combining working M-R functionalization reactions to known C-H activation catalysts to complete the catalytic cycle. Chapter 2 focuses on Baeyer-Villiger and related functionalization reactions of an aryl-rheniumtrioxide complex. Work on M-R functionalization reactions is extended in Chapter 3 with a study on low oxidation state Re-CH3 compounds for oxy-functionalization reactions. Examination of an iridium catalyst that undergoes extraordinarily facile C-H activation and the mechanistic basis for the observed catalytic rates is presented in Chapter 4. Chapter 5 extends our examination on the C-H activation reaction using iridium and rhodium catalysts and finds that both arenes and alkanes are activated. Most significantly, oxy-functionalization of benzene is observed in the presence of Cu II salts using either family of catalysts. Finally, Chapter 6 makes concluding remarks on this work and what lies in store for the future.
Author: Steven Michael Bischof Publisher: ISBN: Category : Activation (Chemistry) Languages : en Pages : 846
Book Description
The conversion of hydrocarbon resources (oil and natural gas) to useful products constitutes a major portion of industrial chemistry; wherein, the products of such processes are utilized in the manufacture of materials, commodity chemicals, and pharmaceuticals. One possible method for overcoming this challenge is the design of new catalysts that operate via the C-H activation reaction coupled to an efficient M-R functionalization using transition metal catalysts. However, very few efficient C-H functionalization catalysts have been reported in the literature. The development of new methods to functionalize M-R intermediates and their coupling to C-H activation may meet this challenge. This thesis presents work focused on two core areas related to C-H bond functionalization, C-H activation and M-R functionalization. C-H activation involves the formation of an activated of metal-carbon intermediate by scission of a hydrocarbon C-H bond. This is followed by functionalization of the incipient metal-carbon intermediate to generate C-X bonds. The concepts related to choosing such a two-step, C-H activation/M-R functionalization, approach are presented in Chapter 1. Following chapters focus on independent study of C-H activation and M-R functionalization reactions, with a final emphasis on combining working M-R functionalization reactions to known C-H activation catalysts to complete the catalytic cycle. Chapter 2 focuses on Baeyer-Villiger and related functionalization reactions of an aryl-rheniumtrioxide complex. Work on M-R functionalization reactions is extended in Chapter 3 with a study on low oxidation state Re-CH3 compounds for oxy-functionalization reactions. Examination of an iridium catalyst that undergoes extraordinarily facile C-H activation and the mechanistic basis for the observed catalytic rates is presented in Chapter 4. Chapter 5 extends our examination on the C-H activation reaction using iridium and rhodium catalysts and finds that both arenes and alkanes are activated. Most significantly, oxy-functionalization of benzene is observed in the presence of Cu II salts using either family of catalysts. Finally, Chapter 6 makes concluding remarks on this work and what lies in store for the future.
Author: Arkadi Vigalok Publisher: Springer ISBN: 3642120733 Category : Science Languages : en Pages : 198
Book Description
Contents: Kilian Muñiz: Transition Metal Catalyzed Electrophilic Halogenation of C-H bonds in alpha-Position to Carbonyl Groups; Arkadi Vigalok * and Ariela W Kaspi: Late Transition Metal-Mediated Formation of Carbon-Halogen Bonds; Paul Bichler and Jennifer A. Love*: Organometallic Approaches to Carbon-Sulfur Bond Formation; David S. Glueck: Recent Advances in Metal-Catalyzed C-P Bond Formation; Andrei N. Vedernikov: C-O Reductive Elimination from High Valent Pt and Pd Centers; Lukas Hintermann: Recent Developments in Metal-Catalyzed Additions of Oxygen Nucleophiles to Alkenes and Alkynes; Moris S. Eisen: Catalytic C-N, C-O and C-S bond formation promoted by organoactinide complexes.
Author: Yanbiao Liu Publisher: Royal Society of Chemistry ISBN: 1839165103 Category : Science Languages : en Pages : 441
Book Description
Rapid population growth, urbanisation and industrialisation have caused serious problems in terms of water pollution and the supply of safe water. Solutions for monitoring pollutants in water and for removing them are urgently needed and they must be both efficient and sustainable. Recent advances in emerging environmental nanotechnologies provide promising solutions for these issues. The physical and chemical properties of nanomaterials can be tailored by controlling attributes such as their size, shape, composition, and surface, so that they can be both highly specific and highly efficient. This makes them perfect platforms for a variety of environmental applications including sensing, treatment and remediation. Providing an array of cutting-edge nanotechnology research in water applications, including sensing, treatment, and remediation, as well as a discussion of progress in the rational design and engineering of nanomaterials for environmental applications, this book is a valuable reference for researchers working in applications for nanotechnology, environmental chemistry and environmental engineering as well as those working in the water treatment industry.
Author: Florencio Zaragoza Dörwald Publisher: John Wiley & Sons ISBN: 3527604987 Category : Science Languages : en Pages : 389
Book Description
Most syntheses in the chemical research laboratory fail and usually require several attempts before proceeding satisfactorily. Failed syntheses are not only discouraging and frustrating, but also cost a lot of time and money. Many failures may, however, be avoided by understanding the structure-reactivity relationship of organic compounds. This textbook highlights the competing processes and limitations of the most important reactions used in organic synthesis. By allowing chemists to quickly recognize potential problems this book will help to improve their efficiency and success-rate. A must for every graduate student but also for every chemist in industry and academia. Contents: 1 Organic Synthesis: General Remarks 2 Stereoelectronic Effects and Reactivity 3 The Stability of Organic Compounds 4 Aliphatic Nucleophilic Substitutions: Problematic Electrophiles 5 The Alkylation of Carbanions 6 The Alkylation of Heteroatoms 7 The Acylation of Heteroatoms 8 Palladium-Catalyzed C-C Bond Formation 9 Cyclizations 10 Monofunctionalization of Symmetric Difunctional Substrates
Author: Christopher T. Walsh Publisher: Royal Society of Chemistry ISBN: 1788010760 Category : Science Languages : en Pages : 787
Book Description
This textbook describes the types of natural products, the biosynthetic pathways that enable the production of these molecules, and an update on the discovery of novel products in the post-genomic era.
Author: Olga Garcia-Mancheno Publisher: John Wiley & Sons ISBN: 3527348573 Category : Technology & Engineering Languages : en Pages : 418
Book Description
Explores the potential of new types of anion-binding catalysts to solve challenging synthetic problems Anion-Binding Catalysis introduces readers to the use of anion-binding processes in catalytic chemical activation, exploring how this approach can contribute to the future design of novel synthetic transformations. Featuring contributions by world-renowned scientists in the field, this authoritative volume describes the structure, properties, and catalytic applications of anions as well as synthetic applications and practical analytical methods. In-depth chapters are organized by type of catalyst rather than reaction type, providing readers with an accessible overview of the existing classes of effective catalysts. The authors discuss the use of halogens as counteranions, the combination of (thio)urea and squaramide-based anion-binding with other types of organocatalysis, anion-binding catalysis by pnictogen and tetrel bonding, nucleophilic co-catalysis, anion-binding catalysis by pnictogen and tetrel bonding, and more. Helping readers appreciate and evaluate the potential of anion-binding catalysis, this timely book: Illustrates the historical development, activation mode, and importance of anion-binding in chemical catalysis Explains the analytic methods used to determine the anion-binding affinity of the catalysts Describes catalytic and synthetic applications of common NH- and OH-based hydrogen-donor catalysts as well as C-H triazole/triazolium catalysts Covers amino-catalysis involving enamine, dienamine, or iminium activation approaches Discusses new trends in the field of anion-binding catalysis, such as the combination of anion-binding with other types of catalysis Presenting the current state of the field as well as the synthetic potential of anion-binding catalysis in future, Anion-Binding Catalysis is essential reading for researchers in both academia and industry involved in organic synthesis, homogeneous catalysis, and pharmaceutical chemistry.
Author: J. S. Davies Publisher: Chapman & Hall/CRC ISBN: Category : Science Languages : en Pages : 448
Book Description
This book provides a handy reference compilation of physical and bibliographical data on all of the most important amino acids and small peptides as well as a selection of interesting polypeptides and proteins. There are extensive entries on the common protein amino acids, including many derivatives; virtually all of the known rarer plant amino acides are also included. The entries are listed in alphabetical order giving instant access in the majority of cases: additionally, the book is fully indexed by compound name, formula and CAS registry number, allowing the rapid location of compounds which cannot be immedialtely located alphabetically.
Author: C. N. R. Rao Publisher: John Wiley & Sons ISBN: 3527611371 Category : Science Languages : en Pages : 420
Book Description
With this handbook, the distinguished team of editors has combined the expertise of leading nanomaterials scientists to provide the latest overview of this field. They cover the whole spectrum of nanomaterials, ranging from theory, synthesis, properties, characterization to application, including such new developments as quantum dots, nanoparticles, nanoporous materials, nanowires, nanotubes, and nanostructured polymers. The result is recommended reading for everybody working in nanoscience: Newcomers to the field can acquaint themselves with this exciting subject, while specialists will find answers to all their questions as well as helpful suggestions for further research.
Author: Steven Michael Bischof
Author: Steven Michael Bischof
Author: Paul A. Vadola
Author: 
Author: Arkadi Vigalok
Author: Yanbiao Liu
Author: Florencio Zaragoza Dörwald
Author: Christopher T. Walsh
Author: Olga Garcia-Mancheno
Author: J. S. Davies
Author: C. N. R. Rao