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The Migration Of Alkyl Groups From Zirconium To Boron Compounds
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Book Synopsis Migration of Organic Groups from Zirconium to Boron by : Ramona Quintanilla
Download or read book Migration of Organic Groups from Zirconium to Boron written by Ramona Quintanilla and published by . This book was released on 1995 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Trialkoxyboranes and trialkoxyboroxins are synthesized by a novel and efficient route of esterifying boric acid with various alcohols in the presence of calcium hydride. Some of these boranes were used as precursors for transmetallation reactions. Trialkoxyboroxins can be obtained using a 1:1 molar ratio of boric acid to alcohol in the presence of calcium hydride. A special feature of trialkoxyboranes and trialkoxyboroxins is their ability to be interconverted by the addition of the appropriate amounts of boric acid or the hydroxyl compound in the presence of calcium hydride. Biscyclopentadienylzirconium-alkenyl-chlorides, Cp2Zr(alkenyl)Cl, are prepared from the hydrozirconation of terminal and internal alkynes. A systematic investigation of the transmetallation of these alkenyl groups from zirconium to a variety of boron compounds is presented. The reaction of the organozirconium with a boron chloride or bromide results in the exchange of the halogen and alkenyl group, forming structurally different types of alkenylboranes in good to high yields. A general method for preparing pure organohaloboranes (RBX2 and R2BX) was developed with high isolated yields and product purity. The reaction proceeds via the exchange of the anhydrides of boronic or borinic acids, (RBO)3 or R2BOBR2 with trihaloboranes (BX3). The newly formed organohaloboranes can contain hydroboratable (primary or secondary), non-hydroboratable (tertiary or aryl) and chiral groups. To demonstrate the utility of the facile migration from zirconium to boron, the syntheses of trans, trans-1,3-dienes and trisubstituted olefins are examined. Generally the olefin synthesis, via organoboranes, has been limited to coupling of alkylvinylboranes that contain symmetrical vinyl groups. The high regioselectivity of the hydrozirconation reaction with unsymmetrical internal alkynes overcomes this limitation. Thus, trisubstituted olefins containing three distinct organic groups about the double bond were readily synthesized using established organoborane chemistry. A number of preparations for zirconacycles have appeared in the literature. Since borocycles, ring structures containing a boron atom, are not easily prepared via normal hydroboration reactions, the use of metallacycles to prepare borocycle derivatives was investigated.
Book Synopsis Transmetallation from Zirconium to Boron by : Farhad Ghazi Mizori
Download or read book Transmetallation from Zirconium to Boron written by Farhad Ghazi Mizori and published by . This book was released on 2004 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Masters Theses in the Pure and Applied Sciences by : W. H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by W. H. Shafer and published by Plenum Publishing Corporation. This book was released on 1992 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses Listed by Discipline: Aerospace Engineering. Agricultural Economics, Sciences and Engineering. Architechtural Engineering and Urban Planning. Astronomy. Astrophysics. Ceramic Engineering. Communications Engineering and Computer Science. Cryogenic Engineering. Electrical Engineering. Engineering Mechanics. Engineering Physics. Engineering Science. Fuels, Combustion, and Air Pollution. General and Environmental Engineering. Geochemistry and Soil Science. Geological Sciences and Geophysical Engineering. Geology and Earth Science. Geophysics. Industrial Engineering. Marine and Ocean Engineering. Materials Science and Engineering. Mechanical Engineering and Bioengineering. Metallurgy. Meteorology and Atmospheric Science. 17 additional disciplines. Index.
Book Synopsis Science of Synthesis: Houben-Weyl Methods of Molecular Transformations Vol. 6 by : Dieter E. Kaufmann
Download or read book Science of Synthesis: Houben-Weyl Methods of Molecular Transformations Vol. 6 written by Dieter E. Kaufmann and published by Thieme. This book was released on 2014-05-14 with total page 2230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Science of Synthesis: Houben-Weyl Methods of Molecular Transformations is the entirely new edition of the acclaimed reference series, Houben-Weyl, the standard synthetic chemistry resource since 1909. This new edition is published in English and will comprise 48 volumes published between the years 2000 and 2008. Science of Synthesis is a quality reference work developed by a highly esteemed editorial board to provide a comprehensive and critical selection of reliable organic and organometallic synthetic methods. This unique resource is designed to be the first point of reference when searching for a synthesis strategy. Contains the expertise of presently 400 leading chemists worldwide Critically evaluates the preparative applicability and significance of the synthetic methods Discusses relevant background information and provides detailed experimental procedures For full information on the Science of Synthesis series, visit the Science of Synthesis Homepage.
Book Synopsis Boron Science by : Narayan S. Hosmane
Download or read book Boron Science written by Narayan S. Hosmane and published by CRC Press. This book was released on 2016-04-19 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt: Boron has made a significant impact in our lives through its quiet use in fertilizers, fungicides, soaps, detergents, and heat-resistant glassware. Boron Science: New Technologies and Applications addresses the applications of boron in chemistry, industry, medicine, and pharmacology by explaining its role in problems such as catalysis and hydrobora
Book Synopsis Reagents, Auxiliaries, and Catalysts for C-C Bond Formation by : Robert M. Coates
Download or read book Reagents, Auxiliaries, and Catalysts for C-C Bond Formation written by Robert M. Coates and published by John Wiley & Sons. This book was released on 1999-07-09 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Reagents for Organic Synthesis Reagents, Auxiliaries and Catalysts for C-C Bond Formation Robert M. Coates and Scott E. Denmark The University of Illinois, Urbana, USA Recognising the critical need for bringing a handy reference work that deals with the most popular reagents in synthesis to the laboratory of practising organic chemists, the Editors, of the acclaimed Encyclopedia of Reagents for Organic Synthesis (EROS) have selected the most important and useful reagents employed in contemporary organic synthesis. The Handbook of Reagents for Organic Synthesis; Reagents Auxiliaries and Catalysts for C-C Bond Formation, provides practical and concise information on a diverse group of reagents. To familiarise the user with the spectrum of reagents contained within this volume, the editors have subdivided more than 200 entries into 22 classes based on their chemical structures and function. The articles, arranged alphabetically, contain all of the information found in EROS as well as expanded reagents listings. In addition, new listings of recently published review articles and monographs are included, as well as relevant Organic Syntheses procedures that deal with either the preparations or reactions of the featured reagents. This comprehensive and well referenced handbook will prove of great value to all practitioners in the field of organic chemistry.
Book Synopsis Modern Amination Methods by : Alfredo Ricci
Download or read book Modern Amination Methods written by Alfredo Ricci and published by John Wiley & Sons. This book was released on 2008-07-11 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic compounds containing amino groups are at the center of modern organic chemistry, and are widely used in the pharmaceutical industry, crop protection, natural product chemistry, and in advanced materials. Modern methods for the introduction of the amino group are therefore of major importance to synthetic chemists and product developers. Over the last decade, many methods have been developed to generate new C-N bonds. At the same time, the pharmaceutical and chemical industry was rapidly moving away from the development of racemic compounds to the direct synthesis of enantiomerically pure materials. The articles of this book, written by internationally recognized experts, thus focus on asymmetric synthesis. The most recent catalytic amination methods have particularly revolutionized the chemistry of amino compounds - and you find them all in this first comprehensive overview.
Book Synopsis General and Synthetic Methods by : G Pattenden
Download or read book General and Synthetic Methods written by G Pattenden and published by Royal Society of Chemistry. This book was released on 2007-10-31 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt: Specialist Periodical Reports provide systematic and detailed review coverage of progress in the major areas of chemical research. Written by experts in their specialist fields the series creates a unique service for the active research chemist, supplying regular critical in-depth accounts of progress in particular areas of chemistry. For over 80 years the Royal Society of Chemistry and its predecessor, the Chemical Society, have been publishing reports charting developments in chemistry, which originally took the form of Annual Reports. However, by 1967 the whole spectrum of chemistry could no longer be contained within one volume and the series Specialist Periodical Reports was born. The Annual Reports themselves still existed but were divided into two, and subsequently three, volumes covering Inorganic, Organic and Physical Chemistry. For more general coverage of the highlights in chemistry they remain a 'must'. Since that time the SPR series has altered according to the fluctuating degree of activity in various fields of chemistry. Some titles have remained unchanged, while others have altered their emphasis along with their titles; some have been combined under a new name whereas others have had to be discontinued. The current list of Specialist Periodical Reports can be seen on the inside flap of this volume.
Book Synopsis Synthesis and Application of Organoboron Compounds by : Elena Fernández
Download or read book Synthesis and Application of Organoboron Compounds written by Elena Fernández and published by Springer. This book was released on 2015-03-04 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Topics in Organometallic Chemistry presents critical overviews of research results in organometallic chemistry. As our understanding of organometallic structure, properties and mechanisms increases, new ways are opened for the design of organometallic compounds and reactions tailored to the needs of such diverse areas as organic synthesis, medical research, biology and materials science. Thus the scope of coverage includes a broad range of topics in pure and applied organometallic chemistry, where new breakthroughs are being achieved that are of significance to a larger scientific audience. The individual volumes of Topics in Organometallic Chemistry are thematic. Review articles are generally invited by the volume editors.
Book Synopsis Comprehensive Organic Functional Group Transformations II by :
Download or read book Comprehensive Organic Functional Group Transformations II written by and published by Elsevier. This book was released on 2004-12-16 with total page 9196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Organic Functional Group Transformations II (COFGT-II) will provide the first point of entry to the literature for all scientists interested in chemical transformations. Presenting the vast subject of organic synthesis in terms of the introduction and interconversion of all known functional groups, COFGT-II provides a unique information source documenting all methods of efficiently performing a particular transformation. Organised by the functional group formed, COFGT-II consists of 144 specialist reviews, written by leading scientists who evaluate and summarise the methods available for each functional group transformation. Also available online via ScienceDirect – featuring extensive browsing, searching, and internal cross-referencing between articles in the work, plus dynamic linking to journal articles and abstract databases, making navigation flexible and easy. For more information, pricing options and availability visit www.info.sciencedirect.com. By systematically treating each functional group in turn the work also identifies what is not known, thus pointing the way to new research areas Follows the systematic layout of the successful 1995 COFGT reference work, based on the arrangement and bonding of hetero-atoms around a central carbon atom The work will save researchers valuable time in their research as each chapter is written by experts who have critically read and reviewed the literature and presented the best methods of forming every known functional group
Author :American Chemical Society. Committee on Professional Training Publisher : ISBN 13 :9780841227231 Total Pages :1700 pages Book Rating :4.2/5 (272 download)
Book Synopsis ACS Directory of Graduate Research 1993 by : American Chemical Society. Committee on Professional Training
Download or read book ACS Directory of Graduate Research 1993 written by American Chemical Society. Committee on Professional Training and published by . This book was released on 1993 with total page 1700 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1999 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comprehensive Organic Functional Group Transformations: Synthesis: carbon with one heteroatom attached by a single bond by : Alan R. Katritzky
Download or read book Comprehensive Organic Functional Group Transformations: Synthesis: carbon with one heteroatom attached by a single bond written by Alan R. Katritzky and published by Elsevier. This book was released on 1995-12-29 with total page 1474 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comprehensive Organic Synthesis by :
Download or read book Comprehensive Organic Synthesis written by and published by Newnes. This book was released on 2014-02-14 with total page 9815 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of Comprehensive Organic Synthesis—winner of the 2015 PROSE Award for Multivolume Reference/Science from the Association of American Publishers—builds upon the highly respected first edition in drawing together the new common themes that underlie the many disparate areas of organic chemistry. These themes support effective and efficient synthetic strategies, thus providing a comprehensive overview of this important discipline. Fully revised and updated, this new set forms an essential reference work for all those seeking information on the solution of synthetic problems, whether they are experienced practitioners or chemists whose major interests lie outside organic synthesis. In addition, synthetic chemists requiring the essential facts in new areas, as well as students completely new to the field, will find Comprehensive Organic Synthesis, Second Edition, Nine Volume Set an invaluable source, providing an authoritative overview of core concepts. Winner of the 2015 PROSE Award for Multivolume Reference/Science from the Association of American Publishers Contains more than170 articles across nine volumes, including detailed analysis of core topics such as bonds, oxidation, and reduction Includes more than10,000 schemes and images Fully revised and updated; important growth areas—including combinatorial chemistry, new technological, industrial, and green chemistry developments—are covered extensively
Book Synopsis Comprehensive Medicinal Chemistry II by : David J Triggle
Download or read book Comprehensive Medicinal Chemistry II written by David J Triggle and published by Elsevier. This book was released on 2006-12-29 with total page 9367 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of Comprehensive Medicinal Chemistry was published in 1990 and was very well received. Comprehensive Medicinal Chemistry II is much more than a simple updating of the contents of the first edition. Completely revised and expanded, this new edition has been refocused to reflect the significant developments and changes over the past decade in genomics, proteomics, bioinformatics, combinatorial chemistry, high-throughput screening and pharmacology, and more. The content comprises the most up-to-date, authoritative and comprehensive reference text on contemporary medicinal chemistry and drug research, covering major therapeutic classes and targets, research strategy and organisation, high-throughput technologies, computer-assisted design, ADME and selected case histories. It is this coverage of the strategy, technologies, principles and applications of medicinal chemistry in a single work that will make Comprehensive Medicinal Chemistry II a unique work of reference and a single point of entry to the literature for pharmaceutical and biotechnology scientists of all disciplines and for many industry executives as well. Also available online via ScienceDirect (2006) - featuring extensive browsing, searching, and internal cross-referencing between articles in the work, plus dynamic linking to journal articles and abstract databases, making navigation flexible and easy. For more information, pricing options and availability visit www.info.sciencedirect.com. Comprehensively reviews - the strategies, technologies, principles and applications of modern medicinal chemistry Provides a global and current perspective of today's drug discovery process and discusses the major therapeutic classes and targets Includes a unique collection of case studies and personal assays reviewing the discovery and development of key drugs
Book Synopsis Comprehensive Organometallic Chemistry III by :
Download or read book Comprehensive Organometallic Chemistry III written by and published by Elsevier Science. This book was released on 2006-12-26 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Organometallic Chemistry, (COMC-III), Third Edition, 13 Volume Set is aimed at the specialist and non-specialist alike. It covers the major developments in the field in a carefully presented way with extensive cross-references. COMC-III provides a clear and comprehensive overview of developments since 1993 and attempts to predict trends in the field over the next ten years. Applications of organometallic chemistry continue to expand and this has been reflected by the significant increase in the number of volumes devoted to applications in COMC-III. Organic chemists have edited the volumes on organometallic chemistry towards organic synthesis - this is now organized by reaction type so as to be readily accessible to the organic community. Like its predecessors, COMC (1982) and COMC-II (1995), this new work is the essential reference text for any chemist or technologist who needs to use or apply organometallic compounds. Also available online via ScienceDirect (2006) - featuring extensive browsing, searching, and internal cross-referencing between articles in the work, plus dynamic linking to journal articles and abstract databases, making navigation flexible and easy. For more information, pricing options and availability visit www.info.sciencedirect.com. Presents a comprehensive overview of the major developments in the field since 1993 providing general and significant insights Highlights the expansion of applications in organometallic chemistry with a strong organic synthesis focus Provides a structured first point of entry to the key literature and background material for those planning research, teaching and writing about the area
Book Synopsis Journal of the American Chemical Society by : American Chemical Society
Download or read book Journal of the American Chemical Society written by American Chemical Society and published by . This book was released on 1974 with total page 1128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the Society are included in v. 1-59, 1879-1937.
