The Barbier Reaction And Related One Step Processes
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| Author | : Cornelis Blomberg |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 194 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 3642850197 |
The significant increase in applications of Barbier and Barbier-type reactions in (in-) organic synthesis over the past twenty-five years, combined with repeated stimulation on the part of Springer-Verlag (Dr. R. Stumpe) were strong in centives for me to write this book. My earliest activities in this field include a modest and first-ever review article (in cooperation with Dr. F. A. Hartog who at that time (1977) did his doctoral research on the Barbier reaction). References to this review article, as mentioned in the Science Citation Index till recently are a good indication for a continued interest in this simple synthetic procedure. The subtitle of this monograph, Related One-Step Processes, may require the following clarification. A synthesis with the aid of an organometallic compound is usually carried out in two steps: 1) the organometallic reagent is prepared from an organo halide and a metal in a solvent, 2) a chosen substrate is added to this reagent. In a Barbier reaction these two steps are combined: a mixture of the organo halide and the substrate is added to a suspension of the metal-in an appropriate solvent.
| Author | : Robert M. Coates |
| Publisher | : John Wiley & Sons |
| Total Pages | : 772 |
| Release | : 1999-07-09 |
| Genre | : Science |
| ISBN | : 0471979244 |
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.
| Author | : Michael Smith |
| Publisher | : Academic Press |
| Total Pages | : 1537 |
| Release | : 2011-07-12 |
| Genre | : Science |
| ISBN | : 0124158846 |
A reactions oriented course is a staple of most graduate organic programs, and synthesis is taught either as a part of that course or as a special topic. Ideally, the incoming student is an organic major, who has a good working knowledge of basic reactions, stereochemistry and conformational principles. In fact, however, many (often most) of the students in a first year graduate level organic course have deficiencies in their undergraduate work, are not organic majors and are not synthetically inclined. To save students much time catching up this text provides a reliable and readily available source for background material that will enable all graduate students to reach the same high level of proficiency in organic chemistry. Produced over many years with extensive feedback from students taking an organic chemistry course this book provides a reaction based approach. The first two chapters provide an introduction to functional groups; these are followed by chapters reviewing basic organic transformations (e.g. oxidation, reduction). The book then looks at carbon-carbon bond formation reactions and ways to 'disconnect' a bigger molecule into simpler building blocks. Most chapters include an extensive list of questions to test the reader's understanding. There is also a new chapter outlining full retrosynthetic analyses of complex molecules which highlights common problems made by scientists. The book is intended for graduate and postgraduate students, scientific researchers in chemistry - New publisher, new edition; extensively updated and corrected - Over 950 new references with more than 6100 references in total - Over 600 new reactions and figures replaced or updated - Over 300 new homework problems from the current literature to provide nearly 800 problems to test reader understanding of the key principles
| Author | : Jean-Louis Luche |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 447 |
| Release | : 2013-06-29 |
| Genre | : Science |
| ISBN | : 1489919104 |
TEAN-LOUIS LUCHE A French poet of this eentury, Pierre Mae Orlan, wrote "Adventure does not exist, it is only in the mind of he who is pursuing it, and, as soon as it is at one's finger tips, it vanishes to come back to life, far away, in a different shape, at the frontiers of imagination". This sentence could be used to define the adventure that many sonochemists experienced. Most of them did not even suspect that the "laboratory trick" they were using was the first contact with a considerable amount of science. If a personal note is allowed here, it ean be interesting to mention the part played by chance in my involvement in sonochemistry. Almost 20 years ago, we had to perform an apparently simple Grignard reaetion with n-butylmagnesium bromide and geranial, but the results were repeatedly unsatisfactory. The one-pot Barbier technique was attempted, also without success. From my studies at the University, I imagined that the failure of the latter reaction could be caused by a common phenomenon known by solid state chemists as passivation, which in some cases can be overcome by ultrasonication. By chance, an ultrasonie bath was sitting on the next beneh, borrowed to clean some equipment. We clamped our reluctant reaction mixture into the bath, the reaction proceeded vigorously, and ... the adventure started. Without knowing anything about cavitation, high energies, ete., we had an illustration of Goethe's word "Am Anfang war die Tat" (at the Beginning was the Act).
| Author | : Dakeshwar Kumar Verma |
| Publisher | : Elsevier |
| Total Pages | : 481 |
| Release | : 2023-08-14 |
| Genre | : Science |
| ISBN | : 0323959474 |
Handbook of Organic Named Reactions: Reagents, Mechanisms and Applications discusses the reactions used in organic synthesis, showing the value and scope of these reactions and how they are used in the synthesis of organic molecules. Presenting an accounting of the traditional methods used, as well as the latest details on the advances made in synthetic chemistry research, the named reactions of carbonyl compounds, alcohols, amines, heterocyclic molecules, rearrangements and coupling reactions are all included. Explaining the established research and including detailed mechanism information, step-by-step descriptions, problems and the applications of named reactions in industry, this book also discusses emerging aspects. Additional sections cover present and future research directions, making it an invaluable resource for all those needing to familiarize themselves with the concepts and applications of designated reactions. - Provides chronological advancements of name reactions and industrial applications - Describes the entire name reaction and their step-by-step mechanism - Focuses on the most advanced industry-oriented applications including current challenges
| Author | : Reinhard Bruckner |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 874 |
| Release | : 2010-04-30 |
| Genre | : Science |
| ISBN | : 3642036511 |
“Much of life can be understood in rational terms if expressed in the language of chemistry. It is an international language, a language without dialects, a language for all time, a language that explains where we came from, what we are, and where the physical world will allow us to go. Chemical Language has great esthetic beauty and links the physical sciences to the b- logical sciences. ” from The Two Cultures: Chemistry and Biology by Arthur Kornberg (Nobel Prize in Physiology and Medicine, 1959) Over the past two centuries, chemistry has evolved from a relatively pure disciplinary pursuit to a position of central importance in the physical and life sciences. More generally, it has p- vided the language and methodology that has unified, integrated and, indeed, molecularized the sciences, shaping our understanding of the molecular world and in so doing the direction, development and destiny of scientific research. The “language of chemistry” referred to by my former Stanford colleague is made up of atoms and bonds and their interactions. It is a s- tem of knowledge that allows us to understand structure and events at a molecular level and increasingly to use that understanding to create new knowledge and beneficial change. The words on this page, for example, are detected by the eye in a series of events, now generally understood at the molecular level.
| Author | : Gary S. Silverman |
| Publisher | : CRC Press |
| Total Pages | : 732 |
| Release | : 1996-04-25 |
| Genre | : Science |
| ISBN | : 1482273373 |
This handbook provides the theoretical and practical information necessary to explore new applications for Grignard reagents on a day-to-day basis, presenting a comprehensive overview of current research activities in Grignard chemistry. This book surveys specific reactions and applications of Grignard reagents, organized by type of substrate and t
| Author | : Basil J. Wakefield |
| Publisher | : Academic Press |
| Total Pages | : 269 |
| Release | : 1995-03-16 |
| Genre | : Science |
| ISBN | : 0080538177 |
The book opens with a general overview of the constitution and reactivity of organomagnesium compounds, followed by information on handling them and on their detection and estimation. Throughout, practical aspects aswell as principles are emphasized. The chapters on the synthesis of organomagnesium compounds cover the preparation of special forms of metallic magnesium and the reaction of magnesium with substrates such as dienes, as well as the traditional preparation of Grignard reagents. Preparations by metallation and metal-halogen exchanges are also included, as are newer methods such as hydromagnesiation of alkenes and alkynes. Systematic coverage is provided on synthetically useful reactions of organomagnesium compounds. Of fundamental importance in organic synthesis are carbon-carbon bond forming reactions; additions to carbon-carbon, carbon-nitrogen, carbon-oxygen, and carbon-sulfur multiple bonds; and nucleophilic substitution at carbon. The formation of carbon-heteroatom bonds in organic compounds is described, where the heteroatom is hydrogen, nitrogen, oxygen, sulfur, or halogen. Finally, the use of organomagnesium compounds in preparing other organometalloid and organometallic compounds is outlined. Representative experimental procedures are included throughout the book, and tables with references to well-described examples are provided. - Presents a general overview of the constitution and reactivity of organomagnesium compounds - Provides coverage on the detection and estimation of organomagnesium compounds - Emphasizes practical aspects as well as principles - Covers the preparation of special forms of metallic magnesium and the reaction of magnesium with substrates such as dienes - Includes preparations by metallation and metal-halogen exchanges - Reviews new preparation methods such as hydromagnesiation of alkenes and alkynes - Outlines information on synthetically useful reactions of organomagnesium compounds - Describes the formation of carbon-heteroatom bonds in organic compounds - Addresses the use of organomagnesium compounds in preparing other organometalloid and organometallic compounds - Includes representative procedures and tables with references to well-described examples
| Author | : George S. Zweifel |
| Publisher | : John Wiley & Sons |
| Total Pages | : 416 |
| Release | : 2017-03-09 |
| Genre | : Science |
| ISBN | : 1119086728 |
This book bridges the gap between sophomore and advanced / graduate level organic chemistry courses, providing students with a necessary background to begin research in either an industry or academic environment. • Covers key concepts that include retrosynthesis, conformational analysis, and functional group transformations as well as presents the latest developments in organometallic chemistry and C–C bond formation • Uses a concise and easy-to-read style, with many illustrated examples • Updates material, examples, and references from the first edition • Adds coverage of organocatalysts and organometallic reagents
| Author | : Richard C. Larock |
| Publisher | : John Wiley & Sons |
| Total Pages | : 3955 |
| Release | : 2018-03-20 |
| Genre | : Science |
| ISBN | : 047092795X |
PROSE Award Finalist 2019 - Multivolume Reference/Science Association of American Publishers Award for Professional and Scholarly Excellence This greatly-expanded new edition of a best-selling guide offers an encyclopedic and systematic collection of useful synthetic methodology, including tens of thousands of reactions and synthetic transformations. Covers and cross references so practicing chemists can easily navigate through the book’s comprehensive coverage of reagents and reactions Updates and expands a best-selling guide through the year 2011 "...the book is undoubtedly still of great value and every chemist working in the area of synthesis should have it within reach in the laboratory." —Angewandte Chemie review of the 2nd edition "...an indispensable reference work for designing and carrying out modern organic chemical synthesis.... It is amazing that so much information is contained in a single volume that is arranged in a logical and easy to use fashion." —Analytical Biochemistry review of the 2nd edition
