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Author : Tsutomi Katsuki
Publisher :
ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.:/5 (667 download)
Download or read book Asymmetric Oxidation Reactions written by Tsutomi Katsuki and published by . This book was released on 2001 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tsutomi Katsuki
Publisher :
ISBN 13 : 9781383020229
Total Pages : 0 pages
Book Rating : 4.0/5 (22 download)
Download or read book Asymmetric Oxidation Reactions written by Tsutomi Katsuki and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text contains protocols for all the major methods of asymmetric oxidation reactions, including the C-H bond, epoxidation of olefins, and Baeyer-Villiger oxidations plus much more.
Author : Tsutomi Katsuki
Publisher : Oxford University Press on Demand
ISBN 13 : 9780198502012
Total Pages : 244 pages
Book Rating : 4.5/5 (2 download)
Download or read book Asymmetric Oxidation Reactions written by Tsutomi Katsuki and published by Oxford University Press on Demand. This book was released on 2001 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Asymmetric oxidation is a potent method for the stereo-controlled synthesis of functional highly compounds. Asymmetric Oxidation Reactions: A Practical Approach contains protocols for all the major methods of asymmetric oxidation reactions: the C-H bond, epoxidation of olefins, epoxidationusing peroxides, dihydroxylation, aminohydroxyaltion, aziridination, hydroxylation of enolates and enols, Baeyer-Villiger oxidations, oxidations of sulfides, selenides, and other heteroatoms, and oxidation using biocatalysts. Each section is written by experts and as well as the protocols providesthe reader with the features of the individual reactions, optimal reaction conditions, experimental precautions, and sample results. This book is therefore an indispensable laboratory companion to any chemist performing asymmetric oxidations.
Author : Christopher John Burns
Publisher :
ISBN 13 :
Total Pages : 316 pages
Book Rating : 4.:/5 (222 download)
Download or read book Studies on Asymmetric Oxidation Reactions Using Titanium and Osmium Catalysts written by Christopher John Burns and published by . This book was released on 1989 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sunil T. Patel
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659287633
Total Pages : 72 pages
Book Rating : 4.2/5 (876 download)
Download or read book Asymmetric Oxidation written by Sunil T. Patel and published by LAP Lambert Academic Publishing. This book was released on 2014-06-12 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book 'Asymmetric Oxidation' is an interesting portrait about the oxidation with some example in nature, human body & living organization. Oxidation is about manmade things Asymmeric oxidation chemistry in this book is the base of organic oxidation reactions.Chapter 1 describes the applicative organic oxidation reactions. What are the substrates, product(selective/Non-selective) and the oxidizing agents. We straight want to dicusss about the epoxide in this book.when epoxidation is invented & which process is commercialized is described.Epoxide is used with some product is given in this chapter. Chapter 2 shows how alkene is epoxidized by use of some catalyst. Chapter 3 devotes for structural study for the epoxidation methods. Chapter 4 Shows different type of asymmetric epoxidation. Chapter 5 indicates mechanistic study of electon, radical, bond making, bond breaking, weak interactions between metal & oxygen also between substrate & oxygen.The stereo-electronic factors of substituents on substrates & on catalyst are importa
Author : Schone Olga
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659692543
Total Pages : 256 pages
Book Rating : 4.6/5 (925 download)
Download or read book Organocatalytic Approaches to Asymmetric Oxidation written by Schone Olga and published by LAP Lambert Academic Publishing. This book was released on 2015-05-08 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work describes the development of enantioselective oxidation reactions of carbonyl compounds using covalent organocatalysis. In the first part, asymmetric epoxidation of -branched, -unsaturated aldehydes with aqueous hydrogen peroxide is presented. An exceptionally synergistic combination of a primary cinchona alkaloid-derived amine and a chiral BINOL-derived phosphoric acid was found to promote the reaction with excellent enantiocontrol for a wide variety of, -disubstituted and -monosubstituted enals. Conformational analysis of catalytically relevant intermediates using NMR and computational techniques enabled the rationalization of the absolute stereochemistry of products. The second part of this book describes a highly efficient direct catalytic asymmetric -benzoyloxylation of cyclic ketones. The same primary amine paired with an inorganic acid was found to be an effective catalyst for a wide range of substrates. The methodology was applied to the first asymmetric synthesis of (+)-2,4-dihydroxy-1,8-cineole, a predicted terpenoid metabolite in mammals."
Author : James D. Morrison
Publisher :
ISBN 13 :
Total Pages : 492 pages
Book Rating : 4.:/5 (45 download)
Download or read book Asymmetric Organic Reactions written by James D. Morrison and published by . This book was released on 1980 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Konstantin P. Bryliakov
Publisher : Springer Nature
ISBN 13 : 9813297514
Total Pages : 295 pages
Book Rating : 4.8/5 (132 download)
Download or read book Frontiers of Green Catalytic Selective Oxidations written by Konstantin P. Bryliakov and published by Springer Nature. This book was released on 2019-10-02 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: The demand for novel efficient and environmentally sustainable chemo, regio- and stereoselective catalyst systems for the oxidation of organic substrates is continuously growing in line with toughening economic and environmental constraints. This book addresses these issues; it consists of eleven chapters written by world-recognized experts in green and sustainable oxidation catalysis. The most urgent and challenging topics, in the judgment of the editor, such as green asymmetric epoxidations, sulfoxidatiuons, C–H oxidations; oxidation catalysis by polyoxometalates and oxidations in non-conventional solvents, etc. have been critically reviewed in this book. Both fundamental aspects, such as catalysts design, catalytic properties, nature of catalytically active sites and reaction mechanisms, and practical outlook of the oxidations have been addressed by the authors. The book appeals to a broad readership, particularly graduate students, employees of universities and research organizations, and industrial researchers, particularly those working in the areas of homogeneous oxidation catalysis, asymmetric synthesis, organocatalysis, sustainable catalytic processes and green chemistry, mechanisms of catalytic reactions, synthesis of bioactive compounds, biomimetic chemistry, etc. Konstantin Bryliakov is Leading Researcher at the Boreskov Institute of Catalysis. In 2016, he was elected Honorary Professor of the Russian Academy of Sciences.
Author : Vicente Gotor
Publisher : John Wiley & Sons
ISBN 13 : 3527622497
Total Pages : 340 pages
Book Rating : 4.5/5 (276 download)
Download or read book Asymmetric Organic Synthesis with Enzymes written by Vicente Gotor and published by John Wiley & Sons. This book was released on 2008-09-08 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Perfect for biochemists, synthetic and organic chemists, this book covers all important reactions, including C-C coupling reactions, oxidation reactions and many more. Divided into two parts, the first section on methodology presents new innovative methods for enzymatic catalysis optimization, including such new trends as medium engineering, directed evolution and computer-aided prediction of enantioselectivity. The second and main section deals with applications to synthesis, showing important reaction types and their applications. Only those reactions with very high selectivity are presented, allowing readers to improve their own reaction yields.
Author : Vittorio Caprio
Publisher : John Wiley & Sons
ISBN 13 : 1405190914
Total Pages : 409 pages
Book Rating : 4.4/5 (51 download)
Download or read book Catalysis in Asymmetric Synthesis written by Vittorio Caprio and published by John Wiley & Sons. This book was released on 2009-03-09 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: Asymmetric synthesis has become a major aspect of modern organic chemistry. The stereochemical properties of an organic compound are often essential to its bioactivity, and the need for stereochemically pure pharmaceutical products is a key example of the importance of stereochemical control in organic synthesis. However, achieving high levels of stereoselectivity in the synthesis of complex natural products represents a considerable intellectual and practical challenge for chemists. Written from a synthetic organic chemistry perspective, this text provides a practical overview of the field, illustrating a wide range of transformations that can be achieved. The book captures the latest advances in asymmetric catalysis with emphasis placed on non-enzymatic methods. Topics covered include: Reduction of alkenes, ketones and imines Nucleophilic addition to carbonyl compounds Catalytic carbon-carbon bond forming reactions Catalytic reactions involving metal carbenoids Conjugate addition reactions Catalysis in Asymmetric Synthesis bridges the gap between undergraduate and advanced level textbooks and provides a convenient point of entry to the primary literature for the experienced synthetic organic chemist.
Author : Guo-Qiang Lin
Publisher : John Wiley & Sons
ISBN 13 : 0471465240
Total Pages : 536 pages
Book Rating : 4.4/5 (714 download)
Download or read book Principles and Applications of Asymmetric Synthesis written by Guo-Qiang Lin and published by John Wiley & Sons. This book was released on 2003-05-29 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Asymmetric synthesis remains a challenge to practicing scientistsas the need for enantiomerically pure or enriched compoundscontinues to increase. Over the last decade, a large amount ofliterature has been published in this field. Principles andApplications of Asymmetric Synthesis consolidates and evaluates themost useful methodologies into a one-volume resource for theconvenience of practicing scientists and students. Authored by internationally renowned scientists in the field, thisreliable reference covers more than 450 reactions and includesimportant stoichiometric as well as catalytic asymmetric reactions.The first chapter reviews the basic principles, commonnomenclature, and analytical methods, and the remainder of the bookis organized according to reaction type. The text examines suchtopics as: Carbon-carbon bond formations involving carbonyls, enamines,imines, and enolates Asymmetric C-O bond formations including epoxidation,dihydroxylation, and aminohydroxylation Asymmetric synthesis using the Diels-Alder reaction and othercyclizations Applications to the total synthesis of natural products Use of enzymes in asymmetric synthesis Practicing chemists in the pharmaceutical, fine chemical, andagricultural professions as well as graduate students will findthat Principles and Applications of Asymmetric Synthesis affordscomprehensive and current coverage.
Author : Eric N. Jacobsen
Publisher :
ISBN 13 :
Total Pages : 536 pages
Book Rating : 4.3/5 (91 download)
Download or read book Comprehensive Asymmetric Catalysis written by Eric N. Jacobsen and published by . This book was released on 1999 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying CD-ROM contains the full-text search and a state-of-the-art graphic substructure search routine.
Author : Vicente Gotor
Publisher : John Wiley & Sons
ISBN 13 : 9783527318254
Total Pages : 348 pages
Book Rating : 4.3/5 (182 download)
Download or read book Asymmetric Organic Synthesis with Enzymes written by Vicente Gotor and published by John Wiley & Sons. This book was released on 2008-03-31 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Perfect for biochemists, synthetic and organic chemists, this book covers all important reactions, including C-C coupling reactions, oxidation reactions and many more. Divided into two parts, the first section on methodology presents new innovative methods for enzymatic catalysis optimization, including such new trends as medium engineering, directed evolution and computer-aided prediction of enantioselectivity. The second and main section deals with applications to synthesis, showing important reaction types and their applications. Only those reactions with very high selectivity are presented, allowing readers to improve their own reaction yields.
Author : Bo Hao
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (15 download)
Download or read book Asymetric Oxidation Reactions Catalyzed by Chiral Substituted Polymers written by Bo Hao and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The discovery of new methodologies to advance the fields of synthetic organic, nanoclusters, and polymer chemistry is critical in the asymmetric synthesis of organic compounds. Particularly, catalytic asymmetric oxidation reactions are economic. The oxidation reactions provide chiral molecules and additional functionality onto the molecules for functional group manipulation. New kinds of polymers, namely chiral-substituted poly-N-vinylpyrrolidinones (CSPVPs), stabilize the bimetallic nanoclusters such as Pd/Au or Cu/Au and induce chirality. These chiral polymers wrap around the nanometer-sized (~3 nm) bimetallic nanoclusters and catalyze a number of enantioselective oxidation reactions using oxygen or hydrogen peroxide as the oxidant. Cycloalkanediols were asymmetrically oxidized by 1 atm of oxygen gas to yield the corresponding hydroxyl ketone under the catalysis of Pd/Au (3:1) - CSPVP nanoclusters. Alkenes were oxidized by Pd/Au (3:1)-CSPVP nanoclusters under 2 atmospheric of oxygen in water to give the syn-dihydroxylated products in high chemical and excellent optical yields. Various cycloalkanes underwent regio- and enantio-selective C-H oxidation with Cu/Au (3:1)-CSPVP and 30% hydrogen peroxide to produce the corresponding chiral oxo-molecules in very good to excellent chemical and optical yields. We further discovered an enantioselective desymmetrization of a,a -dialkenyl-alkanols and a,a -dialkenyl-amino acid ethyl esters to give chiral disubstituted lactones and lactams, respectively. A number of medium-sized natural products and drugs were also oxidized regioselectively to give the corresponding mono-oxygenated products. A broad-spectrum predictive C-H oxidation of complex molecules is possible. Chapter 1 mainly discussed the synthesis and characterization of the new classes of chiral substituted PVP and bimetallic nanoclusters. Chapter 2 focus on various kind of oxidation reactions by the catalysis of CSPVP stabilized bimetallic nanoclusters. Among various bioluminescence assays, firefly luciferase based bioluminescence assays are popular due to their high specific activity, low background noise and ease of use. However, it has been found that some aromatic carboxylic acid substantially inhibited the firefly luciferase reporter enzyme's activity. In order to study firefly luciferase inhibition and the proteins associated with inhibition mechanism, we designed two 6-(dimethylamino)-2-phenylisoindolin-1-one derivatives as probe molecules. The synthesis of one probe molecule is discussed in Chapter 3 and the further investigation of its inhibitory activity on firefly luciferase is being conducted by our collaborate.
Author : J. Steven Wailes
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (594 download)
Download or read book Novel Chiral Ketones as Catalysts for Asymmetric Oxidation Reactions written by J. Steven Wailes and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert E. Gawley
Publisher : Elsevier
ISBN 13 : 0080914136
Total Pages : 569 pages
Book Rating : 4.0/5 (89 download)
Download or read book Principles of Asymmetric Synthesis written by Robert E. Gawley and published by Elsevier. This book was released on 2012-05-29 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: The world is chiral. Most of the molecules in it are chiral, and asymmetric synthesis is an important means by which enantiopure chiral molecules may be obtained for study and sale. Using examples from the literature of asymmetric synthesis, this book presents a detailed analysis of the factors that govern stereoselectivity in organic reactions. After an explanation of the basic physical-organic principles governing stereoselective reactions, the authors provide a detailed, annotated glossary of stereochemical terms. A chapter on "Practical Aspects of Asymmetric Synthesis" provides a critical overview of the most common methods for the preparation of enantiomerically pure compounds, techniques for analysis of stereoisomers using chromatographic, spectroscopic, and chiroptical methods. The authors then present an overview of the most important methods in contemporary asymmetric synthesis organized by reaction type. Thus, there are four chapters on carbon-carbon bond forming reactions, one chapter on reductions, and one on oxidations (carbon-oxygen and carbon-nitrogen bond forming reactions). This organization allows the reader to compare the leading methods for asymmetric synthesis in an appropriate context. A highlight of the book is the presentation and discussion of transition states at the current level of understanding, for important reaction types. In addition, extensive tables of examples are used to give the reader an appreciation for the scope of each reaction. Finally, leading references are provided to natural product synthesis that has been accomplished using a given reaction as a key step. Authoritative glossary to aid understanding of stereochemical terminology Explanations of the key factors influencing stereoselectivity with numerous examples, organized by reaction type A handy reference guide to the literature of asymmetric synthesis for practitioners in the field
Author : Koichi Mikami
Publisher : John Wiley & Sons
ISBN 13 : 0471680265
Total Pages : 436 pages
Book Rating : 4.4/5 (716 download)
Download or read book New Frontiers in Asymmetric Catalysis written by Koichi Mikami and published by John Wiley & Sons. This book was released on 2007-05-04 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: A compilation of recent advances and applications in asymmetric catalysis The field of asymmetric catalysis has grown rapidly and plays a key role in drug discovery and pharmaceuticals. New Frontiers in Asymmetric Catalysis gives readers a fundamental understanding of the concepts and applications of asymmetric catalysis reactions and discusses the latest developments and findings. With contributions from preeminent scientists in their respective fields, it covers: * "Rational" ligand design, which is critically dependent on the reaction type (reduction, oxidation, and C-C bond formation) * Recent findings on activation of C-H bonds, C-C bonds, and small molecules (C=O, HCN, RN=C, and CO2) and the latest developments on C-C bond reorganization, such as metathesis * Advances in "chirally economical" non-linear phenomena, racemic catalysis, and autocatalysis * Some of the recent discoveries that have led to a renaissance in the field of organocatalysis, including the development of chiral Brönstead acids and Lewis acidic metals bearing the conjugate base of the Brönstead acids as the ligands and the chiral bi-functional acid/base catalysts The book ends with a thought-provoking perspective on the future of asymmetric catalysis that addresses both the challenges and the unlimited potential in this burgeoning field. This is an authoritative, up-to-date reference for organic chemists in academia, government, and industries, including pharmaceuticals, biotech, fine chemicals, polymers, and agriculture. It is also an excellent textbook for graduate students studying advanced organic chemistry or chemical synthesis.
