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Cyclic Dienes
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Book Synopsis The Diels-Alder Reaction by : Francesco Fringuelli
Download or read book The Diels-Alder Reaction written by Francesco Fringuelli and published by John Wiley & Sons. This book was released on 2002-01-21 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: 70 Jahre Forschung an der Diels-Alder-Reaktion: Dieses Buch fasst die wichtigsten und beeindruckendsten Ergebnisse in einzigartiger Weise zusammen! Zunächst werden die Grundprinzipien der Reaktion klar und verständlich anhand übersichtlicher Graphiken erläutert. Spezielle Vorschriften und gegebenenfalls ihre industrielle Umsetzung werden anschließend erklärt. Einen Schwerpunkt bilden auch physikalische und katalytische Verfahren zur Steigerung der Selektivität der Reaktion. Cycloadditionen in konventionellen und unkonventionellen Medien werden vorgestellt. Mit über 1.000 Literaturverweisen!
Book Synopsis Synthesis of Cyclic Dienes and Their Reactions by : Joseph Rosenberg
Download or read book Synthesis of Cyclic Dienes and Their Reactions written by Joseph Rosenberg and published by . This book was released on 1951 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Organic Reactions and Orbital Symmetry by : T. L. Gilchrist
Download or read book Organic Reactions and Orbital Symmetry written by T. L. Gilchrist and published by Cambridge University Press. This book was released on 1972-04-06 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermodynamics of Cyclic Dienes by : Stuart W. Staley
Download or read book Thermodynamics of Cyclic Dienes written by Stuart W. Staley and published by . This book was released on 1964 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diels-Alder Reactivities of Cyclic Dienes and Dienophiles by : Brian Levandowski
Download or read book Diels-Alder Reactivities of Cyclic Dienes and Dienophiles written by Brian Levandowski and published by . This book was released on 2018 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the discovery of the Diels-Alder reaction in 1928, chemical theorists have pursued a deeper understanding of the factors controlling reactivity and stereoselectivity for this reaction. Cyclopentadiene and cyclopropene are unusual, in that they exhibit rapid Diels-Alder reactivity despite their lack of activating electron withdrawing or donating groups. The rapid reactivities of cyclopentadienes result from the minimal distortion required of cyclopentadiene to achieve the envelope-like geometry adopted in the transition state, while the rapid reactivities of cyclopropenes result from reactant distortion and the highly stabilizing orbital interactions present at the transition state. Substituents at the 3-position of cyclopropenes and the 5-position of cyclopentadienes significantly influence the Diels-Alder reactivity through hyperconjugative interactions of the substituent with the cyclic -system. Hyperconjugative acceptors stabilize cyclopropenes and decrease the reactivity by invoking aromatic cyclic delocalization of the two -electrons and the reactivity decreases. The effect is opposite for cyclopentadienes, where hyperconjugative acceptors induce antiaromatic cyclic delocalization of the four -electrons, destabilizing the diene and promoting reactivity. The syn and anti -facial selectivity of 5-substituted cyclopentadienes is related to the electronic nature of the substituent. Experimentally, electron-withdrawing groups provide syn adducts, while electron-donating groups provide anti adducts. Structural analysis of the ground state geometries revealed that -acceptors pre-distort the cyclopentadiene into an envelope-like geometry that minimizes the destabilizing effect of the negative hyperconjugation. This envelope geometry resembles the syn transition state geometry and promotes syn selectivity by minimizing the distortion energy required to achieve the syn transition state. Conversely, donors pre-distort in the opposite direction to maximize the stabilizing effect the hyperconjugative interaction towards an envelope geometry that favors the anti cycloaddition. The computational insights into the reactivities of cyclopentadienes inspired us to develop cyclopentadiene as a bioorthogonal reagent. Bioorthogonal reactions take place rapidly and selectively in biological environments and enable the study of biomolecules in living systems. Highly accurate computational methods were used to screen potential bioorthogonal cyclopentadiene candidates. The screening revealed tetrachlorocyclopentadiene ketals as highly reactive and stable dienes with promising bioorthogonal potential. To verify our prediction, the Murphy group bioconjugated a tetrachlorocyclopentadiene ketal it to a peptide and labeled the peptide with trans-cyclooctene dye. Some cyclopentadienes are now considered viable bioorthogonal reagents.
Book Synopsis Comprehensive Organic Synthesis: Additions to and substitutions at C-C[pi]-Bonds by : Barry M. Trost
Download or read book Comprehensive Organic Synthesis: Additions to and substitutions at C-C[pi]-Bonds written by Barry M. Trost and published by Elsevier. This book was released on 1991 with total page 1328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 4 focuses on additions and the resulting substitutions at carbon-carbon &pgr;-bonds. Part 1 includes processes generally considered as simple polar reactions, reactive electrophiles and nucleophiles adding to alkenes and alkynes. A major topic is Michael-type addition to electron deficient &pgr;-bonds, featured in the first six chapters. In part 2 are collected the four general processes leading to nucleophilic aromatic substitution, including radical chain processes and transition metal activation through to &pgr;-complexation. Metal-activated addition (generally by nucleophiles) to alkenes and polyenes is presented in part 3, including allylic alkylation catalyzed by palladium. The coverage of nonpolar additions in part 4 includes radical additions, organometal addition (Heck reaction), carbene addition, and 1,3-dipolar cycloadditions.
Book Synopsis March's Advanced Organic Chemistry by : Michael B. Smith
Download or read book March's Advanced Organic Chemistry written by Michael B. Smith and published by John Wiley & Sons. This book was released on 2007-01-29 with total page 2379 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Sixth Edition of a classic in organic chemistry continues its tradition of excellence Now in its sixth edition, March's Advanced Organic Chemistry remains the gold standard in organic chemistry. Throughout its six editions, students and chemists from around the world have relied on it as an essential resource for planning and executing synthetic reactions. The Sixth Edition brings the text completely current with the most recent organic reactions. In addition, the references have been updated to enable readers to find the latest primary and review literature with ease. New features include: More than 25,000 references to the literature to facilitate further research Revised mechanisms, where required, that explain concepts in clear modern terms Revisions and updates to each chapter to bring them all fully up to date with the latest reactions and discoveries A revised Appendix B to facilitate correlating chapter sections with synthetic transformations
Download or read book Catalysis written by and published by Royal Society of Chemistry. This book was released on 1977 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Green Chemistry written by Mike Lancaster and published by Royal Society of Chemistry. This book was released on 2010 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aimed at students, this introduction to green chemistry encourages new ways of thinking about how products and processes are developed.
Book Synopsis Addition and Elimination Reactions of Aliphatic Compounds by : C.H. Bamford
Download or read book Addition and Elimination Reactions of Aliphatic Compounds written by C.H. Bamford and published by Elsevier. This book was released on 1973-01-01 with total page 531 pages. Available in PDF, EPUB and Kindle. Book excerpt: Addition and Elimination Reactions of Aliphatic Compounds
Book Synopsis Key Chiral Auxiliary Applications by : Gregory Roos
Download or read book Key Chiral Auxiliary Applications written by Gregory Roos and published by Academic Press. This book was released on 2014-01-20 with total page 1271 pages. Available in PDF, EPUB and Kindle. Book excerpt: Key Chiral Auxiliary Applications, Second Edition is a detailed compilation of chiral auxiliary applications organized by type of transformation. Continuing from the most important and relevant auxiliaries described in its predecessor, the three-volume set Compendium of Chiral Auxiliary Applications (2001), as well as advances in the field, the book provides a vital and timely resource for chemists in the field. Each reaction class includes a series of tables and graphical abstracts of real reactions from the literature and patents to enable easy review and comparison of results. This anticipated edition is based on a screening of nearly 40,000 auxiliary reaction applications, with details supplied for the more than 13,000 selected representative entries: synthetic route, reagents, yields, diastereomeric/enantiomeric excesses, and characterization data. Updated and streamlined with more than 60% new material, Key Chiral Auxiliary Applications provides valuable guidance and reliable content for selecting the best auxiliary for a specific asymmetric synthetic transformation. Provides a comprehensive compilation based on nearly 40,000 diverse applications of chiral auxiliaries for selecting the best synthetic route to optically pure compounds Contains over 60% new material with 13,000+ auxiliary applications categorized by reaction type, with reaction details and chemical and optical yields in one unique resource
Book Synopsis Comprehensive Aryne Synthetic Chemistry by : Hiroto Yoshida
Download or read book Comprehensive Aryne Synthetic Chemistry written by Hiroto Yoshida and published by Elsevier. This book was released on 2022-07-22 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Arynes have been important, well-recognized reactive intermediates in organic chemistry since the first speculation of their existence at the beginning of the 20th century. In recent years, synthetic chemistry with arynes has experienced a remarkable revival, leading to diverse new reactions that provide convenient and direct access to various aromatic compounds of high synthetic significance. Comprehensive Aryne Synthetic Chemistry summarizes the progress in the synthetic utilization of arynes for noncatalytic and transition metal-catalyzed reactions developed in the last 20 years. The book covers a broad range of topics including methods of generating arynes, regioselectivity, electrophilic couplings, pericyclic reactions, transition metal-catalyzed reactions, and cycloadditions. It is ideal for advanced students and researchers working in synthetic organic chemistry in academia and industry. Presents an overview of aryne synthetic chemistry, which has experienced a remarkable revival in the 21st century Provides a systematic classification of reactions with arynes Includes comprehensive descriptions of synthetic utilization of arynes ranging from noncatalytic to transition metal-catalyzed reactions Features systematically organized reaction modes and the aromatic compounds formed from these reactions
Book Synopsis The Chemistry of Catalytic Hydrocarbon Conversions by : Herman Pines
Download or read book The Chemistry of Catalytic Hydrocarbon Conversions written by Herman Pines and published by Elsevier. This book was released on 2012-12-02 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Chemistry of Catalytic Hydrocarbon Conversions covers the various chemical aspects of catalytic conversions of hydrocarbons. This book is composed of eight chapters that include catalytic synthesis of hydrocarbons from carbon monoxide, hydrogen, and methanol. The opening chapters examine various acid- and base-catalyzed reactions, such as isomerization, polymerization, oligomerization, alkylation, catalytic cracking, reforming, hydrocracking, and hydrogenation. The subsequent chapters are devoted to specific catalytic reactions, including heterogeneous hydrogenation, dehydrogenation, aromatization, and oxidation. Other chapters describe the homogeneous catalysis by transition metal organometallic catalysts and the metathesis of unsaturated hydrocarbons. The concluding chapter deals with the synthesis of liquid hydrocarbon fuels from carbon monoxide, hydrogen, methanol, and dimethyl ether. This book is of great benefit to petroleum chemists, engineers, and researchers.
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 Ring-Forming Polymerizations Pt A by : Robert Cotter
Download or read book Ring-Forming Polymerizations Pt A written by Robert Cotter and published by Elsevier. This book was released on 2012-12-02 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ring-forming Polymerizations, Part A: Carbocyclic and Metallorganic Rings covers polymerization reactions that form carbocyclic rings and those that lead to metallorganic ring-containing structures. This book is organized into 11 chapters. The first four chapters describe ring-forming polymerizations that lead to the formation of homocyclic carbon-containing rings. These chapters specifically examine Diels-Alder polymerizations and certain diisopropenyl monomers polymerization yielding high molecular weight polyindanes. Chapter V is an introduction to polymers from metals and unsaturated carbon compounds, which has been called a ""natural coordination polymer"". Chapters VI to X deal with metallorganic ring polymers formed by chelation and are arranged according to the elements in the ligands that are affecting chelation. The final chapter explores ring forming polymerizations that yield polysiloxanes, polysilazanes, and certain polymetalloxanes. This book will be of value to organic chemists and researchers, as well as to organic chemistry teachers and students.
Book Synopsis Guidebook on Spectroscopic Techniques for Undergraduate Students by : Bhawna Pareek
Download or read book Guidebook on Spectroscopic Techniques for Undergraduate Students written by Bhawna Pareek and published by RSYN EDUCATION. This book was released on 2024-01-26 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unlock the Power of Spectroscopy for Analysis Spectroscopy provides critical insights into chemical structures and properties. This book offers an in-depth guide to Four essential spectroscopy techniques for every chemist's toolkit: UV-Vis, IR, Mass, and NMR. Learn the theoretical foundations that make spectroscopy possible. Master the instrumentation involved in modern spectroscopic analysis. Discover practical applications from molecular identification to structural elucidation. Whether you are new to spectroscopy or looking to deepen your expertise, this book has you covered. Key Features: · Comprehensive overview of UV-Vis, IR, Mass, and NMR spectroscopic techniques · Plain explanations of fundamental principles behind spectroscopy · Detailed guidance on instrumentation, equipment, and procedures · Practical examples demonstrating spectroscopic analysis in chemical research. · Extensive illustrations and spectra to enhance understanding. · Chapter summaries and practice questions for testing knowledge Written by leading experts in analytical chemistry, this book combines deep scientific rigor with accessibility and relevance. It empowers chemistry students and working professionals to advance their skills and careers through a fuller command of essential spectroscopy techniques.
Book Synopsis Handbook of Metathesis, Volume 2 by : Robert H. Grubbs
Download or read book Handbook of Metathesis, Volume 2 written by Robert H. Grubbs and published by John Wiley & Sons. This book was released on 2015-02-18 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of the "go-to" reference in this field is completely updated and features more than 80% new content, with emphasis on new developments in the field, especially in industrial applications. No other book covers the topic in such a comprehensive manner and in such high quality. Edited by the Nobel laureate R. H. Grubbs and D. J. O´Leary, Volume 2 of the 3-volume work focusses on applications in organic synthesis. With a list of contributors that reads like a "Who's-Who" of metathesis, this is an indispensable one-stop reference for chemists in academia and industry. View the set here - http://www.wiley.com/WileyCDA/WileyTitle/productCd-3527334246.html Other available volumes: Volume 1: Catalyst Development and Mechanism, Editors: R. H. Grubbs and A. G. Wenzel - http://www.wiley.com/WileyCDA/WileyTitle/productCd-3527339485.html Volume 3: Polymer Synthesis, Editors: R. H. Grubbs and E. Khosravi - http://www.wiley.com/WileyCDA/WileyTitle/productCd-3527339507.html
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