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New Applications Of Molybdenum Vi Catalyzed Oxygen Atom Transfer Reactions
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Book Synopsis New Applications of Molybdenum (VI) Catalyzed Oxygen Atom Transfer Reactions by : Theo Adrian Hooper Rusmore
Download or read book New Applications of Molybdenum (VI) Catalyzed Oxygen Atom Transfer Reactions written by Theo Adrian Hooper Rusmore and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanistic Study of Oxygen Atom Transfer Catalyzed by Rhenium Compounds by : Xiaopeng Shan
Download or read book Mechanistic Study of Oxygen Atom Transfer Catalyzed by Rhenium Compounds written by Xiaopeng Shan and published by . This book was released on 2003 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: The investigation of oxygen atom transfer (OAT) catalyzed by transition metal complexes continues to provide chemical insight for advanced studies in bioinorganic chemistry as well as industrial applications. Unlike molybdenum(IV/VI) pairs, which received intensive interest from inorganic and bioinorganic chemists for decades, rhenium(V/VII), forming the redox loop involving two-electron or one-oxygen atom processes has only received limited attention. A family of oxorhenium(V) complexes was synthesized from methyltrioxorhenium(VII), abbreviated as MTO, that can be reduced by phosphanes, thiols or sulfides and coordinated by suitable ligands including thiolates, phosphanes, pyridines, phenolates, carboxylates and etc. An unexpected methyl transfer from rhenium to thiolate sulfur was discovered when MTO react with 1,2-ethanedithiol without the presence of a reducing reagent. Ligand displacement was found to be an essential step in OAT reactions catalyzed by rhenium(V) complexes. This allows the oxidant to access rhenium(V) and be activated by the metal subsequently. Kinetic studies of ligand exchange of MeReO(dithiolate)Py with Py or phosphanes and ReO([kappa]2-edt)([kappa]2-edtMe) with phosphanes all revealed in unique correlation behavior when series of substituted ligands were employed. Detailed investigation led us to conclude that a three-step mechanism was involved and caused this unique phenomenon. Further study of the OAT catalytic cycle led us to investigate the geometric effect on the oxidation of rhenium(V) complexes with pyridine N-oxides. Five and six coordinated rhenium(V) complexes with tridentate ligands display an entirely different rate law. The reactions of six-coordinate compounds shows first-order dependence on the concentration of water instead of pyridine N-oxide in the rate law of the reactions of five coordinated rhenium(V) compounds. Steric demand may play the key role in this difference. A catalytic OAT cycle with pyridine N-oxides and sulfide catalyzed by MeReO(PA)2, where PAH is 2-piclinic acid, was investigated. Mechanistic and isotope labeling studies were applied to trap the intermediate, from which a structure was postulated.
Book Synopsis Oxygen Atom Transfer Reactions by : Robert Bakhtchadjian
Download or read book Oxygen Atom Transfer Reactions written by Robert Bakhtchadjian and published by Bentham Science Publishers. This book was released on 2023-01-11 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces readers to the fundamentals of oxygen atom transfer reactions. It also gives mechanistic insights into the redox processes occurring through the oxygen atom transfer reactions. It also includes information about catalytic activation of oxygen through enzymes and oxo-metallic complexes. All topics are explored in separate chapters. Key features: - reviews the basic mechanisms in redox processes involving oxo-atom transfer reactions. - presents progress in the biomimetic activation of dioxygen related to the catalytic oxidations by synthetic metal organic complexes. - covers an important class of metal-organic compounds - nickel-oxygen species - generated in catalytic oxidation processes as oxygen atom transfer agents. - explains the mechanistic aspects of the heterogeneous photochemical redox processes via oxo-atom transfer reactions - provides references for further reading It is a reference for both professional scientists in the fields of chemistry, biology and applied sciences, and for graduate and undergraduate students interested in understanding reaction mechanisms involving oxygen.
Book Synopsis Molybdenum-mediated Oxygen Atom and Imido Group Transfer Reactions by : Edgar Wall Harlan
Download or read book Molybdenum-mediated Oxygen Atom and Imido Group Transfer Reactions written by Edgar Wall Harlan and published by . This book was released on 1989 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanistic Studies and Synthetic Applications of Oxygen Atom Transfer Reactions Catalyzed by Rhenium(V) Dithiolato Complexes and Methyltrioxorhenium (MTO) by : Ying Wang
Download or read book Mechanistic Studies and Synthetic Applications of Oxygen Atom Transfer Reactions Catalyzed by Rhenium(V) Dithiolato Complexes and Methyltrioxorhenium (MTO) written by Ying Wang and published by . This book was released on 2001 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the case of oxygen atom transfer reaction between tert-butyl hydroperoxide and sulfide catalyzed by Re(V) dithiolato compounds, an induction period is observed due to the slow ligand exchange step. Reaction schemes are proposed to interpret the kinetic data. In both cases, the active intermediates are Re(VII) dioxo species, which were detected at the low temperature. Organic disulfides with both alkyl and aryl substituents are oxidized by hydrogen peroxide when CH3ReO33 (MTO) is used as a catalyst. Thiosulfinate is formed in the first step about an hour with nearly quantitative yield. Kinetics studies of the first oxidation reaction established that two peroxorhenium compounds are the active forms of the catalyst. Rate constants were obtained and a mechanism was proposed in which the electron-rich sulfur attacks the peroxo oxygen of intermediates.
Book Synopsis Molybdenum(VI) Bis(amidate) Complexes for Group Transfer Reactions and Catalysis by : Joshua Miles Smith
Download or read book Molybdenum(VI) Bis(amidate) Complexes for Group Transfer Reactions and Catalysis written by Joshua Miles Smith and published by . This book was released on 2019 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis I. Oxygen Atom Transfer Reactions of Molybdenum Complexes ; II. Sulfur-oxygen Complexes of Macrocyclic Iron (II, III) ; III. Hexanuclear Iron-sulfur Basket Clusters by : Martha Susan Reynolds
Download or read book I. Oxygen Atom Transfer Reactions of Molybdenum Complexes ; II. Sulfur-oxygen Complexes of Macrocyclic Iron (II, III) ; III. Hexanuclear Iron-sulfur Basket Clusters written by Martha Susan Reynolds and published by . This book was released on 1988 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Homogeneous Oxidation Reactions by : Mohammad Reza Rahimpour
Download or read book Homogeneous Oxidation Reactions written by Mohammad Reza Rahimpour and published by Elsevier. This book was released on 2024-09-27 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Homogeneous Oxidation Reactions, a volume in the Advances Homogeneous in Catalysis series, covers oxidation and hydrogenation reactions in detail. Split into two sections, the first is devoted to various homogeneous oxidation processes, such as oxidation of olefins, phenols, and aromatic acids. The second presents homogeneous hydrogenation reactions and related processes, including hydrogenation of alkenes, esters, and olefins. Relevant reactor design, industrial case studies, economic analysis and environmental issues of both oxidation and hydrogenation homogeneous reactions are considered. This book will be of particular interest and benefit to catalysts users, manufacturers, and creators. Includes fundamentals, reactor design and process description of oxidation homogeneous reactions Describes various oxidation homogeneous reactions Explains oxidation economic and environmental challenges
Book Synopsis Advances in Organic Synthesis by : Atta-ur-Rahman
Download or read book Advances in Organic Synthesis written by Atta-ur-Rahman and published by Bentham Science Publishers. This book was released on 2013-01-10 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Organic Synthesis is a book series devoted to the latest advances in synthetic approaches towards challenging structures. It presents comprehensive articles written by eminent authorities on different synthetic approaches to selected target molecules and new methods developed to achieve specific synthetic transformations. Contributions are written by eminent scientists and each volume is edited by an authority in the field. Advances in Organic Synthesis is essential for all organic chemists in the academia and industry who wish to keep abreast of rapid and important developments in the field.
Book Synopsis Molybdenum and Molybdenum-Containing Enzymes by : Michael P. Coughlan
Download or read book Molybdenum and Molybdenum-Containing Enzymes written by Michael P. Coughlan and published by Elsevier. This book was released on 2014-06-28 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molybdenum and Molybdenum-Containing Enzymes is a collection of papers that deals with the various concerns with molybdenum-containing enzymes. The text first covers the organometallic chemistry of molybdenum, and then proceeds to tackling molybdenum-containing enzymes, such as xanthine oxidase, aldehyde oxidase, and sulphite oxidase. The text also discusses the advancement in the understanding of molybdenum-containing enzymes. The remaining chapters deal with the genetics of molybdoenzymes and the nutritional aspects of molybdenum. The book will be of great use to students, researchers, and practitioners of biochemistry.
Book Synopsis Comprehensive Inorganic Chemistry II by :
Download or read book Comprehensive Inorganic Chemistry II written by and published by Newnes. This book was released on 2013-07-23 with total page 7694 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Inorganic Chemistry II, Nine Volume Set reviews and examines topics of relevance to today’s inorganic chemists. Covering more interdisciplinary and high impact areas, Comprehensive Inorganic Chemistry II includes biological inorganic chemistry, solid state chemistry, materials chemistry, and nanoscience. The work is designed to follow on, with a different viewpoint and format, from our 1973 work, Comprehensive Inorganic Chemistry, edited by Bailar, Emeléus, Nyholm, and Trotman-Dickenson, which has received over 2,000 citations. The new work will also complement other recent Elsevier works in this area, Comprehensive Coordination Chemistry and Comprehensive Organometallic Chemistry, to form a trio of works covering the whole of modern inorganic chemistry. Chapters are designed to provide a valuable, long-standing scientific resource for both advanced students new to an area and researchers who need further background or answers to a particular problem on the elements, their compounds, or applications. Chapters are written by teams of leading experts, under the guidance of the Volume Editors and the Editors-in-Chief. The articles are written at a level that allows undergraduate students to understand the material, while providing active researchers with a ready reference resource for information in the field. The chapters will not provide basic data on the elements, which is available from many sources (and the original work), but instead concentrate on applications of the elements and their compounds. Provides a comprehensive review which serves to put many advances in perspective and allows the reader to make connections to related fields, such as: biological inorganic chemistry, materials chemistry, solid state chemistry and nanoscience Inorganic chemistry is rapidly developing, which brings about the need for a reference resource such as this that summarise recent developments and simultaneously provide background information Forms the new definitive source for researchers interested in elements and their applications; completely replacing the highly cited first edition, which published in 1973
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.
Book Synopsis Metals in Biology by : Graeme Hanson
Download or read book Metals in Biology written by Graeme Hanson and published by Springer. This book was released on 2010-03-11 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal ions in biology is an ever expanding area in science and medicine involving metal ions in proteins and enzymes, their biosynthesis, catalysis, electron transfer, metal ion trafficking, gene regulation and disease. While X-ray crystallography has provided snapshots of the geometric structures of the active site redox cofactors in these proteins, the application of high resolution EPR spectroscopy in conjunction with quantum chemistry calculations has enabled, in many cases, a detailed understanding of a metalloenzymes mechanism through investigations of the geometric and electronic structure of the resting, enzyme-substrate intermediates and product complexes. This volume, Part II of a two-volume set demonstrates the application of high resolution EPR spectroscopy in determining the geometric and electronic structure of active site metal ion centers in iron sulfur cluster containing metalloproteins, mononuclear molybdenum metalloenzymes, manganese-containing enzymes and novel metalloproteins.
Book Synopsis Molybdenum-mediated Oxygen Atom Transfer in Enzymes and Model Compounds by : Brian Edward Schultz
Download or read book Molybdenum-mediated Oxygen Atom Transfer in Enzymes and Model Compounds written by Brian Edward Schultz and published by . This book was released on 1994 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Molybdenum and Tungsten Enzymes by : Russ Hille
Download or read book Molybdenum and Tungsten Enzymes written by Russ Hille and published by Royal Society of Chemistry. This book was released on 2016-10-10 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: There has been enormous progress in our understanding of molybdenum and tungsten enzymes and relevant inorganic complexes of molybdenum and tungsten over the past twenty years. This set of three books provides a timely and comprehensive overview of the field and documents the latest research. Building on the first and second volumes that focussed on biochemistry and bioinorganic chemistry aspects, the third volume focusses on spectroscopic and computational methods that have been applied to both enzymes and model compounds. A particular emphasis is placed on how these important studies have been used to reveal critical components of enzyme mechanisms. This text will be a valuable reference to workers both inside and outside the field, including graduate students and young investigators interested in developing new research programs in this area.
Book Synopsis Molybdenum Enzymes by : Thomas G. Spiro
Download or read book Molybdenum Enzymes written by Thomas G. Spiro and published by Wiley-Interscience. This book was released on 1985-11-14 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 7 in the Metal Ions in Biology Series, divided into two parts, covers the nitrogenase enzyme complex and the molybdenum redox enzymes. Part one covers the chemistry of Mo-Fe-S clusters and their relationship to nitrogenase, cofactor chemistry and biochemistry of nitrogenase, spectroscopic and electrochemical studies of the Fe-Mo cofactor and Fe-S clusters, and more. Part Two surveys oxo-molybdenum chemistry, discusses the nature of the molybdo-pterin complex, and describes the characteristics of several of the Mo redox enzymes.
Book Synopsis Chemistry & Uses of Molybdenum by : Philip Charles Harry Mitchell
Download or read book Chemistry & Uses of Molybdenum written by Philip Charles Harry Mitchell and published by . This book was released on 1977 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
