New Aspects Of Zirconium Containing Organic Compounds
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New Aspects Of Zirconium Containing Organic Compounds
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Author : Ilan Marek
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-02-18
New Aspects Of Zirconium Containing Organic Compounds written by Ilan Marek and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-02-18 with Science categories.
Metal carbene complexes have made their way from organometallic curiosities to valuable reagents and catalysts. They offer novel synthetic opportunities in carbon-carbon bond formation based on either carbene-centered reactions or on metal-templated processes which makes them indispensable in modern synthetic methodology. The most prominent metal carbenes are now either commercially available or easy to synthesize and handle with modern laboratory techniques. This volume organized in eight chapters written by the leading scientists in the field illustrates the theoretical background, non-classical nucleophilic and cycloaddition patterns, chromium-templated benzannulation and photo-induced reactions, rhodium-catalyzed carbene transfer as well as the principles and applications of olefin metathesis which has coined the progress in synthetic methodology over the past decade. Designed for researchers in academia and industry as well as graduate students it presents the state-of-the-art potential of carbene complexes in modern organic synthesis.
Organometallic Chemistry Of Titanium Zirconium And Hafnium
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Author : P.C. Wailes
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Organometallic Chemistry Of Titanium Zirconium And Hafnium written by P.C. Wailes and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Organometallic Chemistry of Titanium, Zirconium, and Hafnium covers the chemistry of organic complexes of titanium, zirconium, and hafnium having metal-to-carbon linkage. This book is organized into eight chapters that consider the significant developments in delineating the chemistry of these metal derivatives. This book starts with a description of the stability and bonding in cyclopentadienyl derivatives of the metals, based on the thermodynamic and spectroscopic evidence. The remaining chapters discuss the preparation and reactions of titanium-, zirconium-, and hafnium-bonded organic compounds. These chapters also look into the synthetic difficulties encountered from the reactions and preparation of these compounds. The stabilization and adduct formation of these metal complexes are also explored. Organic chemists and organic chemistry researchers and students will find this book invaluable.
Aspects Of The Chemistry Of Zirconium Compounds Containing Sterically Demanding Cyclopentadienyl Ligands
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Author : Evelyn Josephine Ryan
language : en
Publisher:
Release Date : 1993
Aspects Of The Chemistry Of Zirconium Compounds Containing Sterically Demanding Cyclopentadienyl Ligands written by Evelyn Josephine Ryan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
The Chemistry Of Zirconacycles And 2 6 Diazasemibullvalenes
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Author : Shaoguang Zhang
language : en
Publisher: Springer
Release Date : 2014-11-05
The Chemistry Of Zirconacycles And 2 6 Diazasemibullvalenes written by Shaoguang Zhang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-05 with Science categories.
In this thesis, the author introduces two strategies used to construct various types of N-heterocycles, based on the chemistry of zirconacycles and 2,6-diazasemibullvalenes. In the first part, the author presents the development of multi-component cyclization of a zirconacyclobutene-silacyclobutene fused compound, nitriles and unsaturated compounds. These reactions provide synthetically useful methodology for various N-heterocycles such as 3-acyl pyrrole, pyrrolo[3,2-d]pyridazine and dihydropyrroloazepine, which are all difficult to synthesize by other means. The isolation and characterization of the key three-fused-ring Zr/Si-containing intermediates are also described in detail. These results show that the zirconacyclobutene-silacyclobutene fused compound behaves as a “chemical transformer” upon treatment with various substrates via the “coordination-induced skeleton rearrangement” mechanism. In the second part, the author demonstrates the synthesis and isolation of a series of 2,6-diazasemibullvalenes (NSBVs) from the reaction of 1,4-dilithio-1,3-dienes and nitriles, highlighting the significant progress made for the first time in this work: (1) determination of X-ray crystal structure of a substituted 2,6-diazasemibullvalene; (2) measurement of the activation barrier of its rapid intramolecular aza-Cope rearrangement in solution; (3) exploration of several reaction types of NSBV with diverse ring-expansion products and “bowl-shape” or “cage-shape” N-containing polycyclic skeletons; (4) demonstration of the localized structure as the predominant form and the homoaromatic delocalized structure as a minor component in the equilibrium using theoretical analysis. Based on well-founded results, this work sheds new light on this controversial topic.
The Chemistry Of Titanium Zirconium And Hafnium
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Author : R. J. H. Clark
language : en
Publisher: Elsevier
Release Date : 2018-03-12
The Chemistry Of Titanium Zirconium And Hafnium written by R. J. H. Clark and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-12 with Science categories.
The Chemistry of Titanium, Zirconium and Hafnium deals with the chemistry of titanium, zirconium, and hafnium and covers topics ranging from the occurrence and metallurgy of all three elements to their nuclear, physical, and chemical properties as well as analytical chemistry. The compounds of titanium, zirconium, and hafnium are also discussed. This volume is comprised of two chapters and opens with a historical overview and discovery of titanium, along with its occurrence and distribution, metallurgical aspects, and nuclear and physicochemical properties. The compounds of titanium are also considered, including alloys and complexes; hydrides and oxides; halides and oxyhalides; titanates and antimonides; and carbides and borides. The second chapter is devoted to zirconium and hafnium, their occurrence and metallurgy; and physical, chemical, and biological properties. Compounds of zirconium and hafnium are described, from alloys and hydrides to zirconates and hafnates; nitrides, phosphides, and arsenides; carbides, silicides, and germanides; molybdates, tungstates, halates, and perchlorates; alkoxides, mercaptides, and dithiocarbamates; and amides, alkylamides, triazenes, phthalocyanines, and bipyridyls. This book will be a valuable source of information for inorganic chemists.
Transition Metal Complexes Of Neutral Eta1 Carbon Ligands
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Author : Remi Chauvin
language : en
Publisher: Springer
Release Date : 2009-12-18
Transition Metal Complexes Of Neutral Eta1 Carbon Ligands written by Remi Chauvin and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-12-18 with Science categories.
Contents: Yves Canac and Remi Chauvin: Neutral eta1-carbon ligands: beyond carbon monoxide; Esteban P. Urriolabeitia: Ylide Ligands; Wolfgang Petz and Gernot Frenking: Carbodiphosphoranes and related ligands; Mareike C. Jahnke and F. Ekkehardt Hahn: Chemistry of N-Heterocyclic Carbene Ligands; Tsuyoshi Kato, Eddy Maerten, Antoine Baceiredo: Non-NHCs stable singlet carbene ligands; Victorio Cadierno, Sergio E. García-Garrido: All-Carbon-Substituted Allenylidene and Related Cumulenylidene Ligands; Victorio Cadierno, Sergio E. García-Garrido: Heteroatom-Conjugated Allenylidene and Related Cumulenylidene Ligands.
Zirconium
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Author : Greg Roza
language : en
Publisher: The Rosen Publishing Group, Inc
Release Date : 2009-01-15
Zirconium written by Greg Roza and has been published by The Rosen Publishing Group, Inc this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-15 with Juvenile Nonfiction categories.
Pure zirconium (Zr) is a lustrous, grayish-white metal. It is highly malleable and ductile, and generally resists corrosion. Middle school readers learn about the discovery of zirconium, its place on the periodic table, atoms and subatomic particles, how zirconium is extracted and refined, how it is used in nuclear reactors The book explains the various zirconium compounds and alloys and their applications in ceramics, medical products, superconductors, and electronics, among others.
Analytical Chemistry Of Zirconium And Hafnium
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Author : Samuil Vladimirovich Elinson
language : en
Publisher:
Release Date : 1969
Analytical Chemistry Of Zirconium And Hafnium written by Samuil Vladimirovich Elinson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Chemistry, Analytic categories.
Zirconium
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Author : H. Loevenstein
language : en
Publisher:
Release Date : 1958
Zirconium written by H. Loevenstein and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Zirconium categories.
Analytical Chemistry Of Zirconium And Hafnium
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Author : Anil K. Mukherji
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Analytical Chemistry Of Zirconium And Hafnium written by Anil K. Mukherji and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.
Analytical Chemistry of Zirconium and Hafnium compiles literature on the characterization and analysis of zirconium and hafnium. Various methods in studying the properties of the featured elements are presented in this book. This book also discusses the aqueous solutions of zirconium and hafnium. It then explains the methods such as dissolution of ores and alloys, detection and identification, and gravimetric determinations. This text further examines the titrimetric, electrometric, and absorptiometric methods, as well as methods of separations using ion-exchange and using solvent extraction, along with separation of hafnium from zirconium. The latter part of this text presents methods such as spectrographic analyses, X-ray analyses, and neutron activation analysis and separation of tracers. This book will come in handy for chemists and chemistry students, as well as for others interested in studying zirconium and hafnium.
