Asymmetric Organocatalysis

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Asymmetric Organocatalysis

Author : Benjamin List
Publisher : Springer Science & Business Media
Page : 467 pages
File Size : 53,6 Mb
Release : 2010-03-04
Category : Science
ISBN : 9783642028144

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Asymmetric Organocatalysis by Benjamin List Pdf

Annotation Kerstin Etzenbach-Effers, Albrecht Berkessel: Non-Covalent Organocatalysis Based on Hydrogen Bonding: Elucidation of Reaction Paths by Computational Methods.- Petri M. Pihko, Inkeri Majander, and Anniina Erkkilä: Enamine Catalysis.- Jennifer L. Moore, Tomislav Rovis: Lewis Base Catalysts 6: Carbene Catalysts.- Amal Ting, Jennifer M. Goss, Nolan T. McDougal, and Scott E. Schaus: Brønsted Base Catalysts.- O. Andrea Wong, Yian Shi: Chiral Ketone and Iminium Catalysts for Olefin Epoxidation.- Alan C. Spivey, Stellios Arseniyadis: Amine, Alcohol and Phosphine Catalysts for Acyl Transfer Reactions.- John B. Brazier, Nicholas C.O. Tomkinson: Lewis Base Catalysts 2 Secondary and Primary Amine Catalysts for Iminium Catalysis.- Oksana Sereda, Sobia Tabassum, and René Wilhelm: Lewis Acid Organocatalysts.- Daniela Kampen, Corinna M. Reisinger, and Benjamin List: Chiral Bronsted Acids for C Organocatalysis.

Asymmetric Organocatalysis

Author : Albrecht Berkessel,Harald Gröger
Publisher : John Wiley & Sons
Page : 454 pages
File Size : 48,9 Mb
Release : 2006-03-06
Category : Science
ISBN : 9783527604050

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Asymmetric Organocatalysis by Albrecht Berkessel,Harald Gröger Pdf

Asymmetric catalysis represents still one of the major challenges in modern organic chemistry. Besides the well-established asymmetric metal-complex-catalysed syntheses and biocatalysis, the use of "pure" organic catalysts turned out to be an additional efficient tool for the synthesis of chiral building blocks. In this handbook, the experienced authors from academia and industry provide the first overview of the important use of such metal-free organic catalysts in organic chemistry. With its comprehensive description of numerous reaction types, e.g., nucleophilic substitution and addition reactions as well as cycloadditions and redox reactions, this book targets organic chemists working in industry and academia, and deserves a place in every laboratory.

Recent Developments in Asymmetric Organocatalysis

Author : Hélène Pellissier
Publisher : Royal Society of Chemistry
Page : 258 pages
File Size : 46,9 Mb
Release : 2010
Category : Science
ISBN : 9781849730549

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Recent Developments in Asymmetric Organocatalysis by Hélène Pellissier Pdf

The Series is intended to provide an accessible reference for postgraduates and industrialists working in the field of catalysis and its applications. Books will be produced either as monographs or reference handbooks. The Series will cover research developments and applications of catalysis, in both academia and industry. --Résumé de l'éditeur.

Asymmetric Organocatalysis

Author : Lukasz Albrecht,Anna Albrecht,Luca Dell'Amico
Publisher : John Wiley & Sons
Page : 1092 pages
File Size : 46,9 Mb
Release : 2022-11-10
Category : Technology & Engineering
ISBN : 9783527832200

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Asymmetric Organocatalysis by Lukasz Albrecht,Anna Albrecht,Luca Dell'Amico Pdf

Asymmetric Organocatalysis Comprehensive resource on the latest and most important developments in the highly vivid field of asymmetric organocatalysis The book provides a comprehensive overview of the most important advancements in the field of asymmetric organocatalysis that have occurred within the last decade. It presents valuable examples of newly developed synthetic methodologies based on various organocatalytic activation modes. Special emphasis is given to strategies where organocatalysis is expanding its potential by pushing the boundaries and founding new synergistic interactions with other fields of synthetic chemistry, such as metal catalysis, photocatalysis, and biocatalysis. The application of different concepts (such as vinylogy, dearomatization, or cascade reactivity), resulting in the development of new functionalization strategies, is also discussed. Sample topics covered within the book include: New developments in enantioselective Brønsted acid catalysis with strong hydrogen-bond donors Asymmetric phase-transfer catalysis, from classical applications to new concepts Halogen-bonding organocatalysis Asymmetric electrochemical organocatalysis and synergistic organo-organocatalysis Immobilized organocatalysts for enantioselective continuous flow processes Mechanochemistry and high-pressure techniques in asymmetric organocatalysis Useful tools in elucidation of organocatalytic reaction mechanisms With an overall focus on new reactions and catalysts, this two-volume work is an indispensable source for everyone working in the field of asymmetric organocatalysis.

Radical and Ion-pairing Strategies in Asymmetric Organocatalysis

Author : Maxime R Vitale,Sylvain Oudeyer,Vincent Levacher,Jean-Francois Briere
Publisher : Elsevier
Page : 184 pages
File Size : 45,7 Mb
Release : 2017-07-21
Category : Technology & Engineering
ISBN : 9780081011553

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Radical and Ion-pairing Strategies in Asymmetric Organocatalysis by Maxime R Vitale,Sylvain Oudeyer,Vincent Levacher,Jean-Francois Briere Pdf

Considering the challenge of sustainability facing our society in the coming decades, catalysis is without any doubt a research area of major importance. In this regard, asymmetric organocatalysis, now considered a pillar of green chemistry, deserves particular attention. The first chapter of this volume examines the topic of asymmetric organocatalysis in light of radical chemistry. Recent important progress in this field has been attained by promoting the formation and harnessing the high reactivity of open-shell intermediates. Merging organocatalysis with radical chemistry has been the key to solving some longstanding bottlenecks, and has also significantly contributed to reinforcing the key role of organocatalysis in asymmetric catalysis. This chapter presents the most significant developments in this area, with a particular focus on asymmetric SOMO- and photoredox-organocatalyzed transformations. Chapter 2 focuses on quaternary ammonium salts (R4N+X-), especially chiral derivatives, and their behavior as unique catalysts in organocatalysis. Forming chiral ion-pairs capable of promoting asymmetric reactions, they also operate as unique “transporters involved in phase transfer catalytic processes between liquid–liquid or liquid–solid systems. Furthermore, they offer unique opportunities when forming cooperative ion-paired entities R4N+X-, allowing a synergistic implication of the counter-ion X- either as Brønsted bases or Lewis bases. Specific design of such chiral catalysts in modern chemistry and better insight into their mode of activation facilitates efficient and unprecedented chemical transformations. This chapter provides an overview of the use of chiral quaternary ammonium salts in organocatalysis, emphasizing both general mechanistic aspects and the scope of this approach. Presents the most significant developments with a particular focus on asymmetric SOMO- and photoredox-organocatalyzed transformations Givies a larger overview of chiral ammonium salts in organocatalysis rather than a specific review dedicated to specialists in this area Affords a historical evolution of this field of research

Asymmetric Organo-Metal Catalysis

Author : Liu-Zhu Gong
Publisher : John Wiley & Sons
Page : 354 pages
File Size : 44,6 Mb
Release : 2022-03-14
Category : Science
ISBN : 9783527345922

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Asymmetric Organo-Metal Catalysis by Liu-Zhu Gong Pdf

Explore the latest advances involving organo/metal combined catalysts from leading contributors in the field In Asymmetric Organo-Metal Catalysis: Concepts, Principles, and Applications, accomplished chemist Liu-Zhu Gong delivers a comprehensive discussion of how to design efficient organo/metal combined catalyst systems, new cooperatively catalyzed asymmetric reactions, relay catalytic cascades, and multicomponent reactions. The distinguished author covers critical topics, like the combined catalysis of chiral phase transfer catalysts, enamine, iminium, nucleophilic Lewis base, or Bronsted acids with metal complexes, while also covering the cooperative catalysis of photocatalysts and organocatalysts. The book offers readers an exploration of the general concepts and principles of bond activation and reorganization, together with a comprehensive introduction to the historical developments and recent advances in the field. Readers will also benefit from the descriptions of new chemistry and new synthetic methods included within. Asymmetric Organo-Metal Catalysis also provides: Thorough introductions to chiral PTC-metal cooperative catalysis and enamine-metal cooperative catalysis Comprehensive explorations of iminum-metal relay catalysis and cooperative catalysis of bronsted acids and transition metals Practical discussions of metal-bronsted acid relay catalysis and Lewis base–Lewis acid cooperative catalysis In-depth examinations of Lewis base-transition metal cooperative catalysis and photocatalysis combined with organocatalysis Perfect for organic, catalytic, and pharmaceutical chemists, Asymmetric Organo-Metal Catalysis: Concepts, Principles, and Applications is also an invaluable resource for chemists working with or on organometallics.

Science of Synthesis: Asymmetric Organocatalysis Vol. 2

Author : K. Maruoka
Publisher : Georg Thieme Verlag
Page : 1635 pages
File Size : 40,8 Mb
Release : 2014-05-14
Category : Science
ISBN : 9783131790217

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Science of Synthesis: Asymmetric Organocatalysis Vol. 2 by K. Maruoka Pdf

Asymmetric Organocatalysis 2 from the Science of Synthesis series gives an authoritative, broad overview of the field, compiled by 3 8 experts, as well as a critical presentation of the best organocatalytic and related methodologies available today for practical as ymmetric synthesis. It provides alternative, greener syntheses with simple and easily used catalysts helping avoid the use of expens ive and/or toxic metals. The reference work covers all the catalysts and reactions within the activation modes Brønsted base catalys is and Brønsted acid catalysis. Typical or general experimental procedures as well as mechanistic, technical and theoretical aspects are included, allowing the reader to clearly see how simple, clean and efficient this chemistry is. // The content of this e-book w as originally published in December 2011.

Asymmetric Organocatalysis in Natural Product Syntheses

Author : Mario Waser
Publisher : Springer Science & Business Media
Page : 205 pages
File Size : 48,7 Mb
Release : 2012-07-30
Category : Science
ISBN : 9783709111635

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Asymmetric Organocatalysis in Natural Product Syntheses by Mario Waser Pdf

This book provides the reader with an illustrative overview concerning successful and widely used applications of organocatalysis in the field of natural product synthesis. The main focus will be on organocatalytic key-steps for each (multi-step) synthesis described, whereas other often particularly innovative transformations will be omitted, as this would be beyond the scope of this volume.

Organocatalysis

Author : Manfred Reetz,Benjamin List,Stefan Jaroch,Hilmar Weinmann
Publisher : Springer Science & Business Media
Page : 348 pages
File Size : 40,8 Mb
Release : 2008-05-27
Category : Science
ISBN : 9783540734956

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Organocatalysis by Manfred Reetz,Benjamin List,Stefan Jaroch,Hilmar Weinmann Pdf

This book provides an excellent overview on state-of-the-art of modern organocatalysis. It presents the contributions from leading experts, with backgrounds in academia and industry, to an Ernst Schering Research Foundation Symposium held in April 2007. It will be of interest to those who want a general overview of the topic, but also to those who want to learn more about the state-of-the-art, current trends and perspectives in this highly dynamic field of research.

Organocatalysis

Author : Maurizio Benaglia
Publisher : Walter de Gruyter GmbH & Co KG
Page : 606 pages
File Size : 47,7 Mb
Release : 2021-07-19
Category : Science
ISBN : 9783110588729

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Organocatalysis by Maurizio Benaglia Pdf

Organocatalysis is considered today one of the three pillars in asymmetric catalysis, along with biocatalysis and organometallic catalysis. The current book gives an overview of the new reactions, the catalysts and their activation strategies reported in recent years. In addition, the applications of organocatalysis in total synthesis, radical reactions, flow chemistry and industrial practice are discussed.

Enantioselective Organocatalysis

Author : Peter I. Dalko
Publisher : John Wiley & Sons
Page : 559 pages
File Size : 43,5 Mb
Release : 2007-06-27
Category : Science
ISBN : 9783527610952

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Enantioselective Organocatalysis by Peter I. Dalko Pdf

In this reference leaders at the forefront of research provide an insight into one of the hottest topics in organic synthesis, focusing on the most important enantioselective reactions. Clearly structured, each entry begins with a concise introduction, including a mechanistic discussion of the reaction, followed by preparative guidelines for newcomers, such as carefully selected working procedures with critical notes for bench chemists, rules of thumb and tips and tricks.

Stereoselective Organocatalysis

Author : Ramon Rios Torres
Publisher : John Wiley & Sons
Page : 581 pages
File Size : 43,8 Mb
Release : 2013-04-29
Category : Science
ISBN : 9781118604700

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Stereoselective Organocatalysis by Ramon Rios Torres Pdf

Sets forth an important group of environmentally friendly organic reactions With contributions from leading international experts in organic synthesis, this book presents all the most important methodologies for stereoselective organocatalysis, fully examining both the activation mode as well as the type of bond formed. Clear explanations guide researchers through all the most important methods used to form key chemical bonds, including carbon-carbon (C–C), carbon-nitrogen (C–N), and carbon-halogen (C–X) bonds. Moreover, readers will discover how the use of non-metallic catalysts facilitates a broad range of important reactions that are environmentally friendly and fully meet the standards of green chemistry. Stereoselective Organocatalysis begins with an historical overview and a review of activation modes in asymmetric organocatalysis. The next group of chapters is organized by bond type, making it easy to find bonds according to their applications. The first of these chapters takes a detailed look at the many routes to C–C bond formation. Next, the book covers: Organocatalytic C–N bond formation C–O bond formation C–X bond formation C–S, C–Se, and C–B bond formation Enantioselective organocatalytic reductions Cascade reactions forming both C–C bonds and C–heteroatom bonds The final chapter is devoted to the use of organocatalysis for the synthesis of natural products. All the chapters in the book are extensively referenced, serving as a gateway to the growing body of original research reports and reviews in the field. Based on the most recent findings and practices in organic synthesis, Stereoselective Organocatalysis equips synthetic chemists with a group of organocatalytic reactions that will help them design green reactions and overcome many challenges in organic synthesis.

Asymmetric Catalysis

Author : B. Bosnich
Publisher : Springer Science & Business Media
Page : 169 pages
File Size : 41,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400951778

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Asymmetric Catalysis by B. Bosnich Pdf

The rate of advance in areas of science is seldom constant. Usually certain fields effloresce with activity because of the ~ealization that solutions are possible to long standing important problems. So it is now with asymmetric catalysis, a field which promises to change profoundly the strategic thinking of synthetic chemists. As this Report will show, reagents which can induce catalytic enantiocontrol of chemical transformations could represent the ultimate synthetic method. Nearly all synthetic strategies of complex molecules involve steps which require enantiocontrol and, in many cases, a specific catalytic transformation embodying enan tiocontrol has enormous advantages in terms of the rate and economy of the reaction. Because asymmetric catalysis is in a formative stage, workers with different backgrounds have joined the field. This Workshop had representatives with organometallic, organic, structural, kinetic, enzymatic, microbiological and industrial backgrounds. Each had his own perspective and this Report represents a consensus of this group of eleven people. The result is probably as compre hensive and balanced a view of the subject as is possible at present. It is hoped that those who have until now had but a glancing interest in asymmetric catalysis will find this Report a useful indication of its present state. We believe that asymmetric catalysis will have an increasing impact on the development of chemistry and will eventually dominate much of synthetic and industrial chemistry.

Asymmetric Organocatalysis Combined with Metal Catalysis

Author : Bruce A. Arndtsen,Liu-Zhu Gong
Publisher : Springer Nature
Page : 211 pages
File Size : 55,7 Mb
Release : 2020-04-24
Category : Science
ISBN : 9783030438517

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Asymmetric Organocatalysis Combined with Metal Catalysis by Bruce A. Arndtsen,Liu-Zhu Gong Pdf

The series Topics in Current Chemistry Collections presents critical reviews from the journal Topics in Current Chemistry organized in topical volumes. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience.Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field.The chapter "Enamine/Transition Metal Combined Catalysis: Catalytic Transformations Involving Organometallic Electrophilic Intermediates" is available open access under a CC BY 4.0 License via link.springer.com.

Nonnitrogenous Organocatalysis

Author : Andrew Harned
Publisher : CRC Press
Page : 241 pages
File Size : 43,8 Mb
Release : 2017-12-12
Category : Science
ISBN : 9781315354057

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Nonnitrogenous Organocatalysis by Andrew Harned Pdf

Since the 1990s the synthetic community has shown a growing interest in the development of catalytic reactions that employ entirely organic catalysts – so-called ‘organocatalysts’. With the current emphasis on green chemistry throughout the chemical industry, organocatalysis has become indispensible. In spite of this growth and recognition, there can be a misconception that organocatalysts are only based on nitrogen-containing functional groups (amines, ureas, and quaternary ammonium salts, for example), and are only useful for asymmetric reactions. Nonnitrogenous Organocatalysis shows that the umbrella of organocatalysis covers other main group elements besides nitrogen, and the coverage is not just limited to asymmetric methods. Many of the catalysts and mechanisms discussed may not have a viable asymmetric variant or cannot be rendered asymmetric at all. This does not make them any less useful, as illustrated in this book.