Dienes In The Diels Alder Reaction

Author : Francesco Fringuelli,Aldo Taticchi
Publisher : John Wiley & Sons
Page : 364 pages
File Size : 41,5 Mb
Release : 2002-01-21
Category : Science
ISBN : 047180343X

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The Diels-Alder Reaction by Francesco Fringuelli,Aldo Taticchi Pdf

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!

Author : Francesco Fringuelli,Aldo Taticchi
Publisher : Wiley-Interscience
Page : 376 pages
File Size : 41,8 Mb
Release : 1990-05-31
Category : Science
ISBN : UOM:39015017959720

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Dienes in the Diels-Alder Reaction by Francesco Fringuelli,Aldo Taticchi Pdf

Dealing with the intermolecular Diels-Alder reaction, this book focuses on one of the reactants - the diene. Following an examination of the fundamental principles of the reaction are descriptions of the salient features of the different classes of dienes.

Author : R. B. Woodward,R. Hoffmann
Publisher : Elsevier
Page : 185 pages
File Size : 40,8 Mb
Release : 2013-10-22
Category : Science
ISBN : 9781483282046

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The Conservation of Orbital Symmetry by R. B. Woodward,R. Hoffmann Pdf

The Conservation of Orbital Symmetry examines the principle of conservation of orbital symmetry and its use. The central content of the principle was that reactions occur readily when there is congruence between orbital symmetry characteristics of reactants and products, and only with difficulty when that congruence does not obtain—or to put it more succinctly, orbital symmetry is conserved in concerted reaction. This principle is expected to endure, whatever the language in which it may be couched, or whatever greater precision may be developed in its application and extension. The book opens with a review of the elementary aspects of the molecular orbital theory of bonding. This is followed by separate chapters on correlation diagrams, the conservation of orbital symmetry, theory of electrocyclic reactions, theory of cycloadditions and cycloreversions, and theory of sigmatropic reactions. Subsequent chapters deal with group transfers and eliminations; secondary conformational effects in concerted cycloaddition reactions; and generalized selection rules for pericyclic reactions.

Author : Douglass F. Taber
Publisher : Springer Science & Business Media
Page : 106 pages
File Size : 50,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642692338

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Intramolecular Diels-Alder and Alder Ene Reactions by Douglass F. Taber Pdf

The Diels-Alder reaction has long been a powerful tool in organic synthesis. In recent years, the Alder ene reaction has also achieved some prominence. From the beginning, it was apparent that the intramolecular variants of these reactions would be feasible. Many such have been reported, but the results are widely scattered in the chemical literature. This volume is an attempt to synthesize results observed to date, and to suggest directions for future development. One of the limiting factors in the application of the intramolecular Diels Alder reaction has been the development of methods for the preparation of the requisite trienes. The fIrst chapter of this volume summarizes methods for the preparation of dienes and dienophiles. Examples representative of every general approach to 1,3-dienes and to dienophilic functional group combinations have been included. There are two questions one might ask in considering the prospective cyclization of a given triene: what are the factors that govern the rate of cyclization? and, for cyclizations that lead to the creation of one or more new chiral centers, what are the factors that govern diastereoselectivity? These questions are addressed in Chapter Two. The third chapter is devoted to the all-carbon intramolecular Alder ene reaction. The tables in that chapter summarize all examples that could be found in the literature through 1981, with several additional examples from 1982. Leading references to heterocyclic ene reactions are also included in this chapter.

Author : Anonim
Publisher : Elsevier
Page : 379 pages
File Size : 47,8 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780080916972

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Hetero Diels-Alder Methodology in Organic Synthesis by Anonim Pdf

Organic Chemistry: A Series of Monographs, Volume 47: Hetero Diels-Alder Methodology in Organic Synthesis focuses on the use of hetero Diels-Alder reactions as pivotal steps in natural product total syntheses. The publication first offers information on N-sulfinyl compounds and sulfur diimides and imino dienophiles. Discussions focus on sulfur dioxide and related compounds, selenium dioxide, sulfur diimide cycloadditions, regiochemical, stereochemical, and mechanistic aspects, iminium salts and neutral imines, oximino compounds, and intramolecular cycloadditions. The text then takes a look at nitroso and thionitroso dienophiles and carbonyl dienophiles. The manuscript elaborates on thiocarbonyl and selenocarbonyl dienophiles and miscellaneous dienophiles. Topics include nitriles, azo compounds, selenoaldehydes, thioketones, thioesters, dithioesters, and related compounds, and thiophosgene and related compounds. The text also ponders on oxabutadienes, thiabutadienes, and azabutadienes. The publication is a valuable reference for chemists and readers interested in the Hetero Diels-Alder methodology.

Author : W. Carruthers
Publisher : Elsevier
Page : 382 pages
File Size : 49,7 Mb
Release : 2013-10-22
Category : Science
ISBN : 9780080912325

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Cycloaddition Reactions in Organic Synthesis by W. Carruthers Pdf

Demonstrates the wide scope of cycloaddition reactions, including the Diels-Alder reaction, the ene reaction, 1,3-dipolar cycloadditions and [2+2] cycloadditions in organic synthesis. The author, a leading exponent of the subject, illustrates the ways in which they can be employed in the synthesis of a wide range of carbocyclic and heterocyclic compounds, including a variety of natural products of various types. Special attention is given to intramolecular reactions, which often provide a rapid and efficient route to polycyclic compounds, and to the stereochemistry of the reactions, including recent and developing work on enantioselective synthesis.

Author : Paula Yurkanis Bruice
Publisher : Unknown
Page : 704 pages
File Size : 45,5 Mb
Release : 2015-06-04
Category : Electronic
ISBN : 1292089032

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Essential Organic Chemistry, Global Edition by Paula Yurkanis Bruice Pdf

NOTE You are purchasing a standalone product; MasteringChemistry does not come packaged with this content. If you would like to purchase both the physical text and MasteringChemistry search for 032196747X / 9780321967473 Essential Organic Chemistry 3/e Plus MasteringChemistry with eText -- Access Card Package: The access card package consists of: 0321937716 / 9780321937711 Essential Organic Chemistry 3/e0133857972 / 9780133857979 MasteringChemistry with PearsonKey Benefits: MasteringChemistry should only be purchased when required by an instructor." For one-term Courses in Organic Chemistry. " A comprehensive, problem-solving approach for the brief Organic Chemistry course. Modern and thorough revisions to the streamlined, " Essential Organic Chemistry f"ocus on developing students' problem solving and analytical reasoning skills throughout organic chemistry. Organized around reaction similarities and rich with contemporary biochemical connections, Bruice's Third Edition discourages memorization and encourages students to be mindful of the fundamental reasoning behind organic reactivity: electrophiles react with nucleophiles. Developed to support a diverse student audience studying organic chemistry for the first and only time, Essentials fosters an understanding of the principles of organic structure and reaction mechanisms, encourages skill development through new Tutorial Spreads and emphasizes bioorganic processes. Contemporary and rigorous, Essentials addresses the skills needed for the 2015 MCAT and serves both pre-med and biology majors. Also Available with MasteringChemistry(R) This title is also available with MasteringChemistry - the leading online homework, tutorial, and assessment system, designed to improve results by engaging students before, during, and after class with powerful content. Instructors ensure students arrive ready to learn by assigning educationally effective content before class, and encourage critical thinking and retention with in-class resources such as Learning Catalytics(TM). Students can further master concepts after class through traditional and adaptive homework assignments that provide hints and answer-specific feedback. The Mastering gradebook records scores for all automatically graded assignments in one place, while diagnostic tools give instructors access to rich data to assess student understanding and misconceptions. MasteringChemistry brings learning full circle by continuously adapting to each student and making learning more personal than ever--before, during, and after class.

Author : John C. Gilbert,Stephen F. Martin
Publisher : Unknown
Page : 846 pages
File Size : 53,8 Mb
Release : 2002-01-01
Category : Chemistry, Organic
ISBN : 0030340489

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Experimental Organic Chemistry by John C. Gilbert,Stephen F. Martin Pdf

Author : Bruno Sarmento,Jose Das Neves
Publisher : William Andrew
Page : 778 pages
File Size : 53,5 Mb
Release : 2018-03-01
Category : Science
ISBN : 9780323508797

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Biomedical Applications of Functionalized Nanomaterials by Bruno Sarmento,Jose Das Neves Pdf

Biomedical Applications of Functionalized Nanomaterials: Concepts, Development and Clinical Translation presents a concise overview of the most promising nanomaterials functionalized with ligands for biomedical applications. The first section focuses on current strategies for identifying biological targets and screening of ligand to optimize anchoring to nanomaterials, providing the foundation for the remaining parts. Section Two covers specific applications of functionalized nanomaterials in therapy and diagnostics, highlighting current practice and addressing major challenges, in particular, case studies of successfully developed and marketed functionalized nanomaterials. The final section focuses on regulatory issues and clinical translation, providing a legal framework for their use in biomedicine. This book is an important reference source for worldwide drug and medical devices policymakers, biomaterials scientists and regulatory bodies. Provides an overview of the methodologies for biological target identification and ligand screening Includes case studies showing the development of functionalized nanomaterials and their biomedical applications Highlights the importance of functionalized nanomaterials for drug delivery, diagnostics and regenerative medicine applications

Author : George A. Olah,Douglas A. Klumpp
Publisher : John Wiley & Sons
Page : 312 pages
File Size : 55,7 Mb
Release : 2008-01-03
Category : Science
ISBN : 9780470185117

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Superelectrophiles and Their Chemistry by George A. Olah,Douglas A. Klumpp Pdf

Superelectrophiles and Their Chemistry contains, for the first-time, a discussion of the basics of this emerging field of organic chemistry, alongside tools to help the reader apply the chemistry. Specific tools include an evaluation of the ways to increase the strength of electrophiles, the classification of superelectrophiles, the solvation issues, a review of methods for studying superelectrophilicity, with details of the superelectrophiles that have been identified and studied. Additional information includes substituent effects in activation of superelectrophiles, and solvation in chemical reactions, as well as an insightful look into future applications.

Author : Henning Hopf,Michael S. Sherburn
Publisher : John Wiley & Sons
Page : 480 pages
File Size : 47,8 Mb
Release : 2016-05-31
Category : Science
ISBN : 9783527334377

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Cross Conjugation by Henning Hopf,Michael S. Sherburn Pdf

Filling a gap in the chemical literature, this monograph provides a comprehensive overview of the fascinating and expanding field of cross-conjugated molecules, their chemistry, synthesis and properties. The editors are world leading scientists in the field, and have assembled a team of experts to discuss different classes of cross-conjuagted molecules, as well as the use of cross-conjugation for organic synthesis and applications in electronic systems and material science.

Author : Carlos A. M. Afonso,Nuno R. Candeias,Dulce Pereira Simão,Alexandre F. Trindade,Jaime A. S. Coelho,Bin Tan,Robert Franzén
Publisher : Royal Society of Chemistry
Page : 976 pages
File Size : 53,6 Mb
Release : 2016-12-16
Category : Science
ISBN : 9781849739634

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Comprehensive Organic Chemistry Experiments for the Laboratory Classroom by Carlos A. M. Afonso,Nuno R. Candeias,Dulce Pereira Simão,Alexandre F. Trindade,Jaime A. S. Coelho,Bin Tan,Robert Franzén Pdf

This expansive and practical textbook contains organic chemistry experiments for teaching in the laboratory at the undergraduate level covering a range of functional group transformations and key organic reactions.The editorial team have collected contributions from around the world and standardized them for publication. Each experiment will explore a modern chemistry scenario, such as: sustainable chemistry; application in the pharmaceutical industry; catalysis and material sciences, to name a few. All the experiments will be complemented with a set of questions to challenge the students and a section for the instructors, concerning the results obtained and advice on getting the best outcome from the experiment. A section covering practical aspects with tips and advice for the instructors, together with the results obtained in the laboratory by students, has been compiled for each experiment. Targeted at professors and lecturers in chemistry, this useful text will provide up to date experiments putting the science into context for the students.

Author : Andrew P. Dunlop,F. N. Peters
Publisher : Unknown
Page : 867 pages
File Size : 54,9 Mb
Release : 1963
Category : Heterocyclic compounds
ISBN : OCLC:900775785

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The Furans by Andrew P. Dunlop,F. N. Peters Pdf

Author : Davor Margetic,Vjekoslav Štrukil
Publisher : Elsevier
Page : 386 pages
File Size : 51,8 Mb
Release : 2016-04-23
Category : Science
ISBN : 9780128025253

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Mechanochemical Organic Synthesis by Davor Margetic,Vjekoslav Štrukil Pdf

Mechanochemical Organic Synthesis is a comprehensive reference that not only synthesizes the current literature but also offers practical protocols that industrial and academic scientists can immediately put to use in their daily work. Increasing interest in green chemistry has led to the development of numerous environmentally-friendly methodologies for the synthesis of organic molecules of interest. Amongst the green methodologies drawing attention, mechanochemistry is emerging as a promising method to circumvent the use of toxic solvents and reagents as well as to increase energy efficiency. The development of synthetic strategies that require less, or the minimal, amount of energy to carry out a specific reaction with optimum productivity is of vital importance for large-scale industrial production. Experimental procedures at room temperature are the mildest reaction conditions (essentially required for many temperature-sensitive organic substrates as a key step in multi-step sequence reactions) and are the core of mechanochemical organic synthesis. This green synthetic method is now emerging in a very progressive manner and until now, there is no book that reviews the recent developments in this area. Features cutting-edge research in the field of mechanochemical organic synthesis for more sustainable reactions Integrates advances in green chemistry research into industrial applications and process development Focuses on designing techniques in organic synthesis directed toward mild reaction conditions Includes global coverage of mechanochemical synthetic protocols for the generation of organic compounds

Author : Karl De Jesus
Publisher : Unknown
Page : 526 pages
File Size : 44,8 Mb
Release : 1986
Category : Electronic
ISBN : WISC:89013250246

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Asymmetric Diels-Alder Reaction Using Chiral Dienes by Karl De Jesus Pdf