Transition Metal Hydrides that Mediate Catalytic Hydrogen Atom Transfers

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Book Synopsis Transition Metal Hydrides that Mediate Catalytic Hydrogen Atom Transfers by :

Download or read book Transition Metal Hydrides that Mediate Catalytic Hydrogen Atom Transfers written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: I have attempted to regenerate these vanadium hydrides by a sequential reduction then protonation of the metalloradical. With HV(CO)4dppe this only produced hydrogen gas, presumably by one electron reduction of HV(CO)4dppe. However, with HV(CO)4dppf this does not readily occur and this hydride could potentially be a catalyst for radical cyclizations. Many radical cyclizations involve vinyl (sp2) radicals. I have shown that both the CpCr(CO)3H and the Co(dmgBF2)2(H2O)2 systems can catalytically perform metal to alkyne hydrogen atom transfers (MAHAT's) and that these reactions can be used to perform radical cyclizations very efficiently.

Transition Metal Hydrides

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ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Transition Metal Hydrides by : Alain Dedieu

Download or read book Transition Metal Hydrides written by Alain Dedieu and published by . This book was released on 1992 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:

First Row Transition Metal Hydrides Catalyzed Hydrogen Atom Transfer

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Book Synopsis First Row Transition Metal Hydrides Catalyzed Hydrogen Atom Transfer by : Chengbo Yao

Download or read book First Row Transition Metal Hydrides Catalyzed Hydrogen Atom Transfer written by Chengbo Yao and published by . This book was released on 2022 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: By combining this reaction with the H• transfer, metalloradicals can often catalyze the formation of radicals from H2. Over the years, the Norton group has studied several transition metal hydride systems and demonstrated their applications in different scenarios. The kinetics and thermodynamics of these systems have been studies in detail, and they are shown be competent hydrogen atom donors to unsaturated organic substrates and to organic radicals. Some of these metal hydrides can be made catalytic under hydrogen pressure, thus providing an atom-economical way to effect radical reactions. Specifically, the thermodynamic properties of the chromium hydride HCpCr(CO)3 have been carefully studied. Based on this information, I developed a Ti/Cr cooperative catalytic system featuring multiple interactions between the two metal systems. Herein are described three applications of this Ti/Cr catalytic system: anti-Markovnikov hydrogenation of epoxides (Chapter 2), reductive cyclization of epoxy enones under H2 (Chapter 3), and aziridine isomerization to allyl amines (Chapter 4).

Recent Advances in Hydride Chemistry

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Publisher : Elsevier
ISBN 13 : 0080540333
Total Pages : 577 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Recent Advances in Hydride Chemistry by : Maurizio Peruzzini

Download or read book Recent Advances in Hydride Chemistry written by Maurizio Peruzzini and published by Elsevier. This book was released on 2002-01-30 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has been conceived to collect the most important recent advances in all areas of hydride chemistry research, including chemical reactivity, instrumental investigation, theory, and applications in the areas of catalysis, biochemistry and materials science. Many of the chapters have been written by the plenary lecturers of the EURO-Hydrides 2000 conference, but other leading scientists in this field have also been invited to contribute. The first part of the book focuses on the chemistry and catalysis of transition metal hydrides. Another block of chapters illustrates the most recent advances in the application of instrumental techniques to the study of the properties and reactivity of hydride compounds. The final part of the book illustrates the relevance of metal-hydrogen bonds in biochemistry and materials science. All of the chapters of this book have been evaluated by independent reviewers.

Catalytic Transition Metal Hydrides

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ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Catalytic Transition Metal Hydrides by : Donald Warren Slocum

Download or read book Catalytic Transition Metal Hydrides written by Donald Warren Slocum and published by . This book was released on 1983 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Kinetics, Mechanism, and Applications of Hydrogen Atom Transfer from Transition-metal Hydrides

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ISBN 13 :
Total Pages : 292 pages
Book Rating : 4.:/5 (457 download)

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Book Synopsis Kinetics, Mechanism, and Applications of Hydrogen Atom Transfer from Transition-metal Hydrides by : Graham Abramo

Download or read book Kinetics, Mechanism, and Applications of Hydrogen Atom Transfer from Transition-metal Hydrides written by Graham Abramo and published by . This book was released on 2000 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hydrogen Atom Transfer from Transition-metal Hydrides

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ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.:/5 (69 download)

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Book Synopsis Hydrogen Atom Transfer from Transition-metal Hydrides by : Mary E. Pulling

Download or read book Hydrogen Atom Transfer from Transition-metal Hydrides written by Mary E. Pulling and published by . This book was released on 2009 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Thermodynamics and Kinetics of Hydrogen Atom Transfer from Transition-metal Hydrides

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ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.:/5 (213 download)

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Book Synopsis Thermodynamics and Kinetics of Hydrogen Atom Transfer from Transition-metal Hydrides by : Jongwook Choi

Download or read book Thermodynamics and Kinetics of Hydrogen Atom Transfer from Transition-metal Hydrides written by Jongwook Choi and published by . This book was released on 2007 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Thermodynamic Acidities and Hydrogen Atom Transfer Rates of Transition Metal Hydrides

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ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (228 download)

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Book Synopsis Thermodynamic Acidities and Hydrogen Atom Transfer Rates of Transition Metal Hydrides by : Anne Erwin Moody

Download or read book Thermodynamic Acidities and Hydrogen Atom Transfer Rates of Transition Metal Hydrides written by Anne Erwin Moody and published by . This book was released on 1989 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Organotransition Metal Chemistry: From Bonding to Catalysis

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ISBN 13 :
Total Pages : 1172 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Organotransition Metal Chemistry: From Bonding to Catalysis by : John F. Hartwig

Download or read book Organotransition Metal Chemistry: From Bonding to Catalysis written by John F. Hartwig and published by . This book was released on 2010-02-10 with total page 1172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on Collman et al.'s best-selling classic book, Principles and Applications of Organotransition Metal Chemistry, Hartwig's text consists of new or thoroughly updated and restructured chapters and provides an in-depth view into mechanism, reaction scope, and applications. It covers the most important developments in the field over the last twenty years with great clarity with a selective, but thorough and authoritative coverage of the fundamentals of organometallic chemistry, the elementary reactions of these complexes, and many catalytic processes occurring through organometallic intermediates, making this the Organotransition Metal Chemistry text for a new generation of scientists.

CO2 Hydrogenation Catalysis

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Publisher : John Wiley & Sons
ISBN 13 : 3527346635
Total Pages : 322 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis CO2 Hydrogenation Catalysis by : Yuichiro Himeda

Download or read book CO2 Hydrogenation Catalysis written by Yuichiro Himeda and published by John Wiley & Sons. This book was released on 2021-06-28 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to the effective catalysts and latest advances in CO2 conversion in chemicals and fuels Carbon dioxide hydrogenation is one of the most promising and economic techniques to utilize CO2 emissions to produce value-added chemicals. With contributions from an international team of experts on the topic, CO2 Hydrogenation Catalysis offers a comprehensive review of the most recent developments in the catalytic hydrogenation of carbon dioxide to formic acid/formate, methanol, methane, and C2+ products. The book explores the electroreduction of carbon dioxide and contains an overview on hydrogen production from formic acid and methanol. With a practical review of the advances and challenges in future CO2 hydrogenation research, the book provides an important guide for researchers in academia and industry working in the field of catalysis, organometallic chemistry, green and sustainable chemistry, as well as energy conversion and storage. This important book: Offers a unique review of effective catalysts and the latest advances in CO2 conversion Explores how to utilize CO2 emissions to produce value-added chemicals and fuels such as methanol, olefins, gasoline, aromatics Includes the latest research in homogeneous and heterogeneous catalysis as well as electrocatalysis Highlights advances and challenges for future investigation Written for chemists, catalytic chemists, electrochemists, chemists in industry, and chemical engineers, CO2 Hydrogenation Catalysis offers a comprehensive resource to understanding how CO2 emissions can create value-added chemicals.

Kinetics and Thermodynamics of Proton and Hydrogen Atom Transfer from Transistion Metal Hydrides

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ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.:/5 (522 download)

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Book Synopsis Kinetics and Thermodynamics of Proton and Hydrogen Atom Transfer from Transistion Metal Hydrides by : Elizabeth Papish

Download or read book Kinetics and Thermodynamics of Proton and Hydrogen Atom Transfer from Transistion Metal Hydrides written by Elizabeth Papish and published by . This book was released on 2002 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hydrogen Transfer Reactions

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Publisher : Springer
ISBN 13 : 3319430513
Total Pages : 393 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Hydrogen Transfer Reactions by : Gabriela Guillena

Download or read book Hydrogen Transfer Reactions written by Gabriela Guillena and published by Springer. This book was released on 2016-09-27 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Topics in Current Chemistry Collections presents critical reviews from the journal Topics in Current Chemistry organized in topical volumes. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field.

Transition Metal-Catalyzed Carbene Transformations

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Publisher : John Wiley & Sons
ISBN 13 : 3527829156
Total Pages : 450 pages
Book Rating : 4.5/5 (278 download)

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Book Synopsis Transition Metal-Catalyzed Carbene Transformations by : Jianbo Wang

Download or read book Transition Metal-Catalyzed Carbene Transformations written by Jianbo Wang and published by John Wiley & Sons. This book was released on 2021-12-20 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.

Transition-Metal Complexes Catalyzed Hydrogen Atom Transfer

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (962 download)

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Book Synopsis Transition-Metal Complexes Catalyzed Hydrogen Atom Transfer by : Gang Li

Download or read book Transition-Metal Complexes Catalyzed Hydrogen Atom Transfer written by Gang Li and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In attempting to improve the efficiency of radical cyclization I have studied the effect of substituents on the target double bond on the rate of cyclization. A single phenyl substituent has proven to stabilize a radical better than two phenyls. This stabilization leads to faster cyclizations and a higher cyclization yield. I also have found that Co(dmgBF2)L2 (L = THF, H2O, MeOH...) under H2 is an effective hydrogen atom donor. I have monitored by NMR the catalysis by the system of the hydrogenation of stable radicals (trityl radical and TEMPO radical) and found the rate-determining step to be the activation of hydrogen gas by CoII. The reactive form of the complex is five-coordinated cobalt complex Co(dmgBF2)2L. The Co/H2 system can also transfer hydrogen atom to C=C bonds, thus initiate radical cyclizations. The resting state of the cobalt is the CoII metalloradical, so a cycloisomerization is obtained. Such a reaction neither loses nor adds any atom and has 100% atom economy.

Industrial Applications of Homogeneous Catalysis

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Publisher : Springer Science & Business Media
ISBN 13 : 9400938977
Total Pages : 371 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Industrial Applications of Homogeneous Catalysis by : A. Mortreux

Download or read book Industrial Applications of Homogeneous Catalysis written by A. Mortreux and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: Catalysts are now widely used in both laboratory and industrial-scale chemistry. Indeed, it is hard to find any complex synthesis or industrial process that does not, at some stage, utilize a catalytic reaction. The development of homogeneous transition metal catalysts on the laboratory scale has demonstrated that these systems can be far superior to the equivalent heterogeneous systems, at least in terms of selectivity. is an increasing interest in this field of research from both an Thus, there academic and industrial point of view. In connection with the rapid developments in this area, four universities from the E.E.C (Aachen, FRG; Liege, Belgium; Milan, Italy; and Lille, France) have collaborated to organise a series of seminars for high-level students and researchers. These meetings have been sponsored by the Commission of the E.E.C and state organizations. The most recent of these meetings was held in Lille in September 1985 and this book contains updated and expanded presentations of most of the lectures given there. These lectures are concerned with the field of homogeneous transition metal catalysis and its application to the synthesis of organic intermediates and fine chemicals from an academic and industrial viewpoint. The continuing petroleum crisis which began in the early 1970s has given rise to the need to develop new feedstocks for the chemical industry.

Intrinsic and Thermodynamic Influences on Hydrogen Atom Transfer Reactions Involving Transition Metal Complexes

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ISBN 13 :
Total Pages : 370 pages
Book Rating : 4.:/5 (466 download)

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Book Synopsis Intrinsic and Thermodynamic Influences on Hydrogen Atom Transfer Reactions Involving Transition Metal Complexes by : Justine Pilar Roth

Download or read book Intrinsic and Thermodynamic Influences on Hydrogen Atom Transfer Reactions Involving Transition Metal Complexes written by Justine Pilar Roth and published by . This book was released on 2000 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: