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Studies On Organodioxygen Complexes Of Molybdenum And Tungsten And Their Oxygen Transfer Reactions
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Book Synopsis Studies on Organodioxygen Complexes of Molybdenum and Tungsten and Their Oxygen Transfer Reactions by : Siew Yein Yap
Download or read book Studies on Organodioxygen Complexes of Molybdenum and Tungsten and Their Oxygen Transfer Reactions written by Siew Yein Yap and published by . This book was released on 1999 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies on Oxygen Atom and Nitrene Group Transfer by : Diana Elisabeth Over
Download or read book Studies on Oxygen Atom and Nitrene Group Transfer written by Diana Elisabeth Over and published by . This book was released on 1992 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies on Synthesis, Properties and Reactions of High-valent Oxo Molybdenum and Tungsten Complexes by : Fu-Min Su
Download or read book Studies on Synthesis, Properties and Reactions of High-valent Oxo Molybdenum and Tungsten Complexes written by Fu-Min Su and published by . This book was released on 1986 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Studies of Mo and W Complexes for 2N Reduction by : Jia Min Chin
Download or read book Synthesis and Studies of Mo and W Complexes for 2N Reduction written by Jia Min Chin and published by . This book was released on 2010 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of monopyrroletriamine ligands [Arpyr(Ar')2]H3 of the form ArC4H2NHCH2N(CH2CH2NHAr')2 (Ar = 2,4,6-mesityl (Mes), 2,4,6-triisopropylphenyl (TRIP); Ar' = C6F5, 2-tolyl (o-tol), naphthyl, 3,5-(2,4,6-triisopropylphenyl)phenyl (HIPT), 3,5- dimethylphenyl, 3,5-di-tert-butylphenyl were synthesized. [Mespyr(C6F5)2]MoCl, ([Mespyr(C6F5)2]Mo = MesitylC4H2NCH2N(CH2CH2NC6F5)2) was prepared by reaction of [Mespyr(C6F5)2]H3 with MoCl4(THF)2 and base and [Mespyr(3,5-t-Bu)2]MoCl and [Mespyr(3,5- Me)2]MoCl (3,5-t-Bu=3,5-di-tert-butylphenyl, Me = 3,5-dimethylphenyl) were synthesized likewise. All three monochlorides are paramagnetic. [Mespyr(C6F5)2]MoNMe2, [[Mespyr(otol) 2]MoNMe2, [Mespyr(3,5-t-Bu)2]MoNMe2, [Mespyr(3,5-Me)2]MoNMe2 were synthesized by reaction of the ligands with Mo(NMe2)4. The resulting compounds are diamagnetic and range in color from teal blue to emerald green. These low spin monodimethylamide complexes exist in rapid equilibria with their high spin forms. [Mespyr(C6F5)2]MoN and [Mespyr(3,5-t-Bu)2]MoN were synthesized by reaction of their respective monochlorides with NaN3 and are yellow diamagnetic species. Reaction of [Mespyr(3,5-t-Bu)2]MoN with Et3OBF4 leads to {[Mespyr(3,5- t-Bu)2]MoNEt}BF4, also a diamagnetic yellow species. [Mespyr(C6F5)2]MoOTf is synthesized by the reaction of [Mespyr(C6F5)2]MoCl with AgOTf. Reduction of [Mespyr(3,5-t-Bu)2]MoCl with Na under N2 led to [Mespyr(3,5-t-Bu)2]MoNNNa(THF)x, several species with varying numbers of THF coordination, x. A single species can be obtained when [Mespyr(3,5-t- Bu)2]MoNNNa(THF)x is reacted with either NBu4Cl or 15-crown-5 ether to yield purple green 4 {[Mespyr(3,5-t-Bu)2]MoNN}NBu4 or [Mespyr(3,5-t-Bu)2]MoNNNa(15-c-5). All the diazenide species are diamagnetic. Oxidation of the diazenide with AgOTf yields [Mespyr(3,5-t- Bu)2]Mo(N2). [Mespyr(3,5-t-Bu)2]Mo(CO) is synthesized by exposure of [Mespyr(3,5-t- Bu)2]Mo(N2) to CO. Reaction of [Mespyr(3,5-t-Bu)2]MoCl with NaBPh4 and NH3 yields {[Mespyr(3,5-t-Bu)2]Mo(NH3)}BPh4. Catalytic runs employing [Mespyr(3,5-t-Bu)2]MoN as the catalyst yielded one equivalent of NH3. A triamidoamine ligand [(HIPTNCH2CH2CH2)3N]3- was synthesized and metalated with MoCl4(THF)2 to produce [(HIPTNCH2CH2CH2)3N]MoCl ([HIPTtrpn]MoCl). Reduction of [HIPTtrpn]MoCl by KC8 under an atmosphere of dinitrogen leads to the green species [HIPTtrpn]MoNNK which can be oxidized by ZnCl2(dioxane) to produce [HIPTtrpn]Mo(N2). Other complexes synthesized include {[HIPTtrpn]Mo(NH3)}+ salts and [HIPTtrpn]Mo(CO). Xray studies were carried out on [HIPTtrpn]MoN and {[HIPTtrpn]Mo(NH3)}BAr'4. This system is not catalytic for the reduction of dinitrogen to ammonia and studies were carried out to elucidate the reasons. Oxidation studies were carried out on [HIPTN3N]Mo(N2) and [HIPTN3N]W(N2) ([HIPTN3N] = [(HIPTNCH2CH2)3N]3- ). The rate of conversion of [HIPTN3N]Mo(NH3) to [HIPTN3N]Mo(N2) was studied and found to be increased in the presence of BPh3. [HIPTN3N]Mo(N2) conversion to [HIPTN3N]Mo(CO) was found to be dependent on CO pressure. Protonation studies of [HIPTN3N]Mo(N2) were also carried out. Studies of [HIPTN3N]MoNNH decomposition showed that decomposition is not base-catalyzed. [HIPTN3N]W(CO) was synthesized by exposure of [HIPTN3N]W(N2) to CO. It is a green, paramagnetic compound and its use as a standard (for determining relative concentrations of other compounds in the IR sample) in IR spectroscopic studies appears to be promising. [HIPTN3N]MoCNH2 was synthesized by addition of acid and reducing agent to [HIPTN3N]MoCN and is a yellow, diamagnetic compound. Two triamidophosphine ligands, triHIPTamine and tri-n-Buamine were synthesized. Metalation of Zr(NMe2)4 with these ligands leads to formation of pn3HIPTZrNMe2 and pn3-n- BuZrNMe2, both diamagnetic, pale yellow complexes.
Book Synopsis A Study of Oxo and Imido Transfer Reactions Mediated by Molybdenum Complexes by : Anurag Shanker Srivastava
Download or read book A Study of Oxo and Imido Transfer Reactions Mediated by Molybdenum Complexes written by Anurag Shanker Srivastava and published by . This book was released on 1991 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toxicological Chemistry and Biochemistry, Third Edition by : Stanley E. Manahan
Download or read book Toxicological Chemistry and Biochemistry, Third Edition written by Stanley E. Manahan and published by CRC Press. This book was released on 2002-09-25 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique book bridges the gap between toxicology and chemistry at a level understandable by a wide spectrum of readers with various interests and a broad range of backgrounds in chemistry, biochemistry, and toxicology. The third edition has been thoroughly updated and expanded to reflect recent advances in important areas of research, including toxicogenetics and toxic effects on various body systems. Toxicological Chemistry and Biochemistry, Third Edition begins by outlining the basic concepts of general chemistry, organic chemistry, and biochemistry needed to understand the topics in the book. The author then presents an overview of environmental chemistry so that you can understand the remainder of the material covered within that framework. He also discusses biodegradation, bioaccumulation, and biochemical processes that occur in water and soil. The new chapter on toxic effects considers toxicities to the endocrine and reproductive systems, and the section on xenobiotics analysis deals with the determination of toxicants and their metabolites in blood and other biological materials. The chapter on the genetic aspects of toxicology discusses the ways in which chemical damage to DNA can cause mutations, cancer, and other toxic effects on specific body systems, and it considers the role of genetics in determining individual susceptibilities to various toxicants. Toxicological Chemistry and Biochemistry, Third Edition retains the basic information and structure that made the first two editions popular with students and industry professionals, while enhancing the usefulness of the book and modernizing it in important areas. Review questions and supplementary references at the end of each chapter round out the third edition of this bestselling work.
Download or read book Organic Chemistry written by and published by . This book was released on 1902 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthetic Fuels Handbook by : James Speight
Download or read book Synthetic Fuels Handbook written by James Speight and published by McGraw Hill Professional. This book was released on 2008-06-22 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: Capitalize on the Vast Potential of Alternative Energy Sources Such as Fuel Cells and Biofuels Synthetic Fuels Handbook is a comprehensive guide to the benefits and trade-offs of numerous alternative fuels, presenting expert analyses of the different properties, processes, and performance characteristics of each fuel. It discusses the concept systems and technology involved in the production of fuels on both industrial and individual scales. Written by internationally renowned fuels expert James G. Speight, this vital resource describes the production and properties of fuels from natural gas and natural gas hydrates...tar sand bitumen...coal...oil shale...synthesis gas...crops...wood sources...biomass...industrial and domestic waste...landfill gas...and much more. Using both U.S. and SI units, Synthetic Fuels Handbook features: Information on conventional and nonconventional fuel sources Discussion of the production of alternative fuels on both industrial and individual scales Analyses of properties and uses of gaseous, liquid, and solid fuels from different sources Comparison of properties of alternative fuels with petroleum-based fuels Discover All the Benefits and Trade-Offs of Synthetic Fuels • Fuel sources: conventional and nonconventional • Natural gas and natural gas hydrates • Petroleum and heavy oil • Tar sand bitumen • Coal • Oil shale • Synthesis gas • Crops • Wood sources • Biomass • Industrial and domestic waste • Landfill gas • Comparison of the properties and uses of gaseous fuels from different sources • Comparison of the properties and uses of liquid fuels from different sources • Comparison of the properties and uses of solid fuels from different sources
Book Synopsis Green Chemistry and the Ten Commandments of Sustainability by : Stanley E. Manahan
Download or read book Green Chemistry and the Ten Commandments of Sustainability written by Stanley E. Manahan and published by . This book was released on 2011 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of Environmental Chemistry, Second Edition by : Stanley E. Manahan
Download or read book Fundamentals of Environmental Chemistry, Second Edition written by Stanley E. Manahan and published by CRC Press. This book was released on 2000-07-31 with total page 1024 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by a leader in the field, the Fundamentals of Environmental Chemistry, Second Edition puts the fundamentals of chemistry and environmental chemistry right at your students fingertips. Manahan presents the material in an understandable and interesting manner without being overly simplistic. They get basic coverage on: - Matter and the basis of its physical nature and behavior - Organic and biological chemistry - Chemistry of water, soil, and air - Industrial chemistry - Toxicological chemistry as it pertains to occupational health and human exposure to pollutants and toxicants - Energy, nuclear energy, and nuclear waste - Applications of nuclear science in areas such as tracing pesticide degradation and nuclear medicine - More than an introduction to this field, Fundamentals of Environmental Chemistry, Second Edition provides the foundation that gives your students an understanding of the chemical processes of the environment and the effects pollution on those processes.
Book Synopsis Organic Reaction Mechanisms 1983 by : A. C. Knipe
Download or read book Organic Reaction Mechanisms 1983 written by A. C. Knipe and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: The only book series to summarize the latest progress on organic reaction mechanisms, Organic Reaction Mechanisms, 1983 surveys the development in understanding of the main classes of organic reaction mechanisms reported in the primary scientific literature in 1983. The 19th annual volume in this highly successful series highlights mechanisms of stereo-specific reactions. Reviews are compiled by a team of experienced editors and authors, allowing advanced undergraduates, graduate students, postdocs, and chemists to rely on the volume's continuing quality of selection and presentation.
Book Synopsis Karl Fischer Titration by : Eugen Scholz
Download or read book Karl Fischer Titration written by Eugen Scholz and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Karl Fischer titration is used in many different ways following its publication in 1935 and further applications are continually being explored. At the present time we are experiencing another phase of expansion, as shown by the development of new titration equipment and new reagents. KF equipment increasingly incorporates microprocessors which enable the course of a titration to be programmed thus sim plifying the titration. Coulometric titrators allow water determinations in the micro gram-range: the KF titration has become a micro-method. The new pyridine-free re agents make its application significantly more pleasant and open up further possibili ties on account of their accuracy. To make the approach to Karl Fischer titrations easier, we have summarized the present knowledge in this monograph and we have complemented it with our own studies and practical experience. As this book should remain "readable", we have tried to keep the fundamentals to a minimum. Historical developments are only mentioned if they seem to be necessary for understanding the KF reaction. The ap plications are described more fully. Specific details which may interest a particular reader can be found in the original publications cited. The referenced literature is in chronological order as the year of publication may also prove informative. Thus, [6902] for example denotes 69 for 1969 being the year of publication and 02 is a non-recurring progressive number. The referenced litera ture includes summaries which we hope will be of help to find the "right" publica tion easily.
Book Synopsis Encyclopedia of Catalysis, 6 Volume Set by : István T. Horváth
Download or read book Encyclopedia of Catalysis, 6 Volume Set written by István T. Horváth and published by Wiley-Interscience. This book was released on 2003 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt: Catalysis, the speeding up of a chemical reaction by a substance which itself does not react, is vital not only to the chemical process industry but also to life itself. The six volume Encyclopedia of Catalysis is the definitive A-to-Z reference work covering the most significant aspects of homogenous, heterogeneous, asymmetric, biomimetic, and biological catalysis. Available both on-line and in print, the state-of-the-art Encyclopedia encompasses the principles of catalysis; the scope of catalytic reactions; the preparation, characterization, and use of catalysts (including catalytic technology); the modeling of catalytic processes; and related reaction engineering techniques. The logical organization of this seminal work renders the text easily accessible to both process personnel and those involved in basic and applied research and development. For more information regarding the online edition, please visit Wiley Online Library: Encyclopedia of Catalysis Online
Book Synopsis Catalysis Looks to the Future by : National Research Council
Download or read book Catalysis Looks to the Future written by National Research Council and published by National Academies Press. This book was released on 1992-02-01 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: The impact of catalysis on the nation's economy is evidenced by the fact that catalytic technologies generate U.S. sales in excess of $400 billion per year and a net positive balance of trade of $16 billion annually. This book outlines recent accomplishments in the science and technology of catalysis and summarizes important likely challenges and opportunities on the near horizon. It also presents recommendations for investment of financial and human resources by industry, academe, national laboratories, and relevant federal agencies if the nation is to maintain continuing leadership in this fieldâ€"one that is critical to the chemical and petroleum processing industries, essential for energy-efficient means for environmental protection, and vital for the production of a broad range of pharmaceuticals.
Book Synopsis Catalytic Chemistry by : Bruce C. Gates
Download or read book Catalytic Chemistry written by Bruce C. Gates and published by John Wiley & Sons. This book was released on 1992-04-16 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text aims to present catalysis in a coherent, unified and easy-to-teach manner. The subject traditionally appears as fragments in courses such as chemical reaction engineering, chemical engineering, kinetics, organometallic chemistry and physical chemistry.
Book Synopsis Environmental Chemistry, Seventh Edition by : Stanley E. Manahan
Download or read book Environmental Chemistry, Seventh Edition written by Stanley E. Manahan and published by CRC Press. This book was released on 1999-12-29 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt: The standard-setting classic just got better! Completely revised and updated since the publication of the sixth edition, Environmental Chemistry, Seventh Edition contains eight new chapters, with significant emphasis on industrial ecology as it relates to the emerging area of "green" chemistry. It also discusses the concept of the anthrosphere as a distinct sphere of the environment. The new chapters in the Seventh Edition include: The Anthrosphere, Industrial Ecosystems, and Environmental Chemistry Principles of Industrial Ecology Industrial Ecology, Resources, and Energy Industrial Ecology for Waste Minimization, Utilization, and Treatment Chemical Analysis of Water and Wastewater Chemical Analysis of Wastes and Solids Air and Gas Analysis Chemical Analysis of Biological Materials Xenobiotics Many professionals in environmental chemistry today began their studies with this definitive textbook. Now this benchmark resource has even more to offer. It gives your students a basic understanding of the science and its applications. In addition to providing updated materials in this rapidly developing field, the Seventh Edition emphasizes the major concepts essential to the practice of environmental chemistry at the beginning of the new millennium.
Book Synopsis Mechanisms in Organic Reactions by : Richard A. Jackson
Download or read book Mechanisms in Organic Reactions written by Richard A. Jackson and published by Royal Society of Chemistry. This book was released on 2004 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: An increasing knowledge and understanding of organic reaction mechanisms has been a major factor in the rapid advance of organic chemistry, biochemistry and pharmacology in the last century. It therefore forms a vital part of today's chemistry courses. Mechanisms in Organic Reactions helps students to make sensible proposals for the mechanisms of particular organic reactions, and then how to distinguish between different possible mechanisms. Techniques for this include product studies, kinetics, and the identification of intermediates. Three chapters on intermediates discuss likely points of attack on molecules by anions, radicals and cations, and the important role of acid- and base-catalysed reactions and radical chain reactions. The prediction of reaction rates and the effects of structural changes on reaction rate are also covered. It concludes with a discussion of molecular reactions, both thermal and photochemical - reactions which provide deep and beautiful insights into the reasons why some reactions go and others do not, and why the majority of real-life reactions involve multi-step processes. The book provides both illuminating insights into fundamental chemistry, and also practical value for students who will go on to teach, research, or be involved in other scientific roles (administration, policy making or journalism). Ideal for the needs of undergraduate chemistry students, Tutorial Chemistry Texts is a major series consisting of short, single topic or modular texts concentrating on the fundamental areas of chemistry taught in undergraduate science courses. Each book provides a concise account of the basic principles underlying a given subject, embodying an independent-learning philosophy and including worked examples.
