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Author : Janet Ruth Dawson
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (111 download)
Download or read book The Intramolecular Diels Alder Reaction of Some Aromatic Amides written by Janet Ruth Dawson and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Douglass F. Taber
Publisher : Springer Science & Business Media
ISBN 13 : 3642692338
Total Pages : 106 pages
Book Rating : 4.6/5 (426 download)
Download or read book Intramolecular Diels-Alder and Alder Ene Reactions written by Douglass F. Taber and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Francesco Fringuelli
Publisher : John Wiley & Sons
ISBN 13 : 9780471803430
Total Pages : 364 pages
Book Rating : 4.8/5 (34 download)
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!
Author : Joseph Scott Warmus Warmus
Publisher :
ISBN 13 :
Total Pages : 446 pages
Book Rating : 4.:/5 (243 download)
Download or read book Synthetic Studies of the Intramolecular Diels-Alder Reaction written by Joseph Scott Warmus Warmus and published by . This book was released on 1990 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Allen Alexander Krantz
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.:/5 (41 download)
Download or read book A Study of the Intramolecular Diels-Alder Reaction written by Allen Alexander Krantz and published by . This book was released on 1967 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph C. Salamone
Publisher : CRC Press
ISBN 13 : 9780849322266
Total Pages : 1782 pages
Book Rating : 4.3/5 (222 download)
Download or read book Concise Polymeric Materials Encyclopedia written by Joseph C. Salamone and published by CRC Press. This book was released on 1998-08-28 with total page 1782 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concise Polymeric Materials Encyclopedia culls the most used, widely applicable articles from the Polymeric Materials Encyclopedia - more than 1,100 - and presents them to you in a condensed, well-ordered format. Featuring contributions from more than 1,800 scientists from all over the world, the book discusses a vast array of subjects related to the: synthesis, properties, and applications of polymeric materials development of modern catalysts in preparing new or modified polymers modification of existing polymers by chemical and physical processes biologically oriented polymers This comprehensive, easy-to-use resource on modern polymeric materials serves as an invaluable addition to reference collections in the polymer field.
Author : T. Barouri
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (643 download)
Download or read book Some Syntheses Based on Intramolecular Diels-Alder Reactions written by T. Barouri and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Amy Pia Essenfeld
Publisher :
ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.:/5 (149 download)
Download or read book Asymmetric Intramolecular Diels-Alder Reactions written by Amy Pia Essenfeld and published by . This book was released on 1985 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Janet Noellert Bennett
Publisher :
ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.:/5 (176 download)
Download or read book The Intramolecular Diels-Alder Reaction written by Janet Noellert Bennett and published by . This book was released on 1979 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stuart Hazeldine
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.:/5 (348 download)
Download or read book Studies of the Intramolecular Diels-Alder Reaction Towards the Synthesis of Natural Products written by Stuart Hazeldine and published by . This book was released on 1995 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Timothy Henry Cronin
Publisher :
ISBN 13 :
Total Pages : 97 pages
Book Rating : 4.:/5 (255 download)
Download or read book Intramolecular Diels-Alder Reactions written by Timothy Henry Cronin and published by . This book was released on 1965 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.3/5 (91 download)
Download or read book Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards written by and published by . This book was released on 2006 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nicholas Blandford Luke Sizemore
Publisher :
ISBN 13 : 9781321094374
Total Pages : 204 pages
Book Rating : 4.0/5 (943 download)
Download or read book Intramolecular Diels-alder Reactions in Organic Synthesis written by Nicholas Blandford Luke Sizemore and published by . This book was released on 2014 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intramolecular Diels-Alder (IMDA) reactions are an important class of reactions in synthetic organic chemistry for the rapid construction of polycyclic frameworks. Three classes of IMDA reactions were investigated synthetically and computationally: 1) all-carbon type 1 IMDA reactions, 2) N-acylnitroso type 2 IMDA reactions, and 3) cyano-azadiene IMDA reactions. The first class was implemented in research toward the total synthesis of maoecrystal Z and isopalhinine A. The second class was studied computationally to understand the origins of regio- and stereochemistry in these reactions. The third class was investigated in the context of indolizine and quinolizidine synthesis.
Author : DENNY. LIN
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (977 download)
Download or read book Intramolecular Diels-alder Reactions of Alkenyboranes & a written by DENNY. LIN and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Karen Lackey
Publisher : John Wiley & Sons
ISBN 13 : 0470423927
Total Pages : 382 pages
Book Rating : 4.4/5 (74 download)
Download or read book Gene Family Targeted Molecular Design written by Karen Lackey and published by John Wiley & Sons. This book was released on 2008-12-01 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: As research progresses and information continues to proliferate in the field of molecular design for therapeutic use, there is a need for a reference that brings current theory and proven practice together in a how-to volume. This reference guides scientists new to the field on how to design small molecules that interact with critical protein targets. The chapters condense useful material into a manageable format which is carefully organized and presented. It offers an essential resource for a variety of chemists in academia, and the biotech and pharmaceutical industries, as well as professionals in complementary fields.
Author : Jehan Anwar Baban
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (779 download)
Download or read book Intramolecular Diels-Alder Reactions of Thebaine written by Jehan Anwar Baban and published by . This book was released on 1982 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William James Lording
Publisher :
ISBN 13 :
Total Pages : 550 pages
Book Rating : 4.:/5 (953 download)
Download or read book A Deeper Understanding of the Diels-Alder Reaction written by William James Lording and published by . This book was released on 2010 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Diels-Alder reaction was discovered in 1928 and has become the most efficient and practical method for the synthesis of six-membered carbocyclic and heterocyclic rings. This thesis comprises three chapters of results and discussion with the Diels-Alder reaction as a theme. Chapter 2 details an investigation of endo:exo selectivity in the Diels-Alder reactions of 1,3-butadiene. Chapter 3 explores aspects of the intramolecular Diels-Alder reactions of some substituted 1,3,8-nonatrienes, and Chapter 4 describes the domino Diels-Alder reactions of 1,4-diiodo-1,3-butadiene. The Diels-Alder reaction is powerful, general, and widely used in chemical synthesis, and it is well known that many Diels-Alder reactions exhibit endo selectivity, in accord with Alder's empirical rule. The origins of endo:exo selectivity in the Diels-Alder reaction, however, are not completely understood and there is a dearth of experimental evidence concerning the Diels-Alder reactions of the archetypal 1,3-diene, 1,3-butadiene. Chapter 2 describes a study of the Diels-Alder reactions of an isotopically labelled 1,3-butadiene with a range of simple dienophiles, allowing the endo:exo selectivities of these important reactions to be determined for the first time. The experimental data shed light on the origins of endo:exo selectivity in the Diels-Alder reaction and will serve as an important reference for future computational investigations in this area. The intramolecular Diels-Alder reaction shares many of the virtues of its intermolecular counterpart, however its use in chemical synthesis is limited because intramolecular Diels-Alder reactivity and stereoselectivity are often governed by subtle factors, and can be very difficult to predict. As part of a comprehensive experimental and computational collaboration, Chapter 3 describes an investigation of the heat and Lewis acid promoted intramolecular Diels-Alder reactions of some ether tethered 1,3,8-nonatrienes. Also presented are the results of a rate study and a kinetic isotope effect study involving the intramolecular Diels-Alder reactions of some 1,3,8-nonatrienes. The experimental data are analysed and compared with predicted stereoselectivities, activation barriers and kinetic isotope effects obtained from computational modelling. Increased efficiency in chemical synthesis conserves resources, reduces waste, and saves time and money. Domino reactions are particularly efficient processes, which can generate complex products from simple reactants. Chapter 4 describes an investigation of the domino Diels-Alder reactions of (1E,3E)-1,4-diiodo-1,3-butadiene with maleimide dienophiles, through which a family of bicyclo[2.2.2]oct-2-ene derivatives are produced in one high yielding and stereoselective synthetic step.
