Carbon-carbon Bond Forming Reactions Facilitated by Kukhtin-ramirez Adducts PDF Download
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Author: Samantha Damiano
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The preparation of carbon-carbon bonds is an essential goal of organic synthesis. This thesis describes research efforts directed toward the use of Kukhtin-Ramirez type oxyphosphoranes derived from [alpha]-ketoesters as reagents to initiate carbon-carbon bond formation in three transformations. First, a non-metal mediated Barbier-type addition is described with diastereoselection under both substrate and reagent control. Second, diastereoselective epoxidation resulting from reaction of Kukhtin-Ramirez adducts with aldehydes is described and the impact of Lewis acid additives on diastereoselection is explored. Third, the potential of Kukhtin-Ramirez adducts as carbene transfer precursors in transition metal-catalyzed reactions is investigated within the context of cyclopropanation and insertion reactions. Concisely, this thesis explores the ambiphilic properties of Kukhtin-Ramirez adducts by attempting to carry out new carbon-carbon bond forming reactions.
Author: Samantha Damiano
Publisher:
ISBN:
Category :
Languages : en
Pages :
Get Book Here
Book Description
The preparation of carbon-carbon bonds is an essential goal of organic synthesis. This thesis describes research efforts directed toward the use of Kukhtin-Ramirez type oxyphosphoranes derived from [alpha]-ketoesters as reagents to initiate carbon-carbon bond formation in three transformations. First, a non-metal mediated Barbier-type addition is described with diastereoselection under both substrate and reagent control. Second, diastereoselective epoxidation resulting from reaction of Kukhtin-Ramirez adducts with aldehydes is described and the impact of Lewis acid additives on diastereoselection is explored. Third, the potential of Kukhtin-Ramirez adducts as carbene transfer precursors in transition metal-catalyzed reactions is investigated within the context of cyclopropanation and insertion reactions. Concisely, this thesis explores the ambiphilic properties of Kukhtin-Ramirez adducts by attempting to carry out new carbon-carbon bond forming reactions.
Author: G. Pattenden
Publisher: Elsevier
ISBN: 008091246X
Category : Science
Languages : en
Pages : 1209
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Book Description
Volume 3 covers carbon-to-carbon single bond forming reactions involving sp3, sp2 and sp carbon centers, but only those which do not involve additions to C-X &pgr;-bonds. The volume first compares and contrasts the alkylation reactions of all types of sp3 carbon nucleophiles and also covers vinyl and alkynyl carbanions. Following on from Volume 2, a separate section covers Friedel-Crafts alkylation reactions, which is complemented by discussions of polyene cyclizations and electrophilic transannular cyclizations in synthesis. Coupling reactions leading to &agr;-bond formation, and involving all types of combinations ofsp3, sp2 and sp carbon centers are next covered, including those reactions based on pinacol, acyloin and phenol oxidative coupling reactions, and also the Kolbe reaction. Rearrangement reactions, leading to carbon-to-carbon &agr;-bond formation, are often used in a clever manner in synthesis. The volume includes all those rearrangement reactions based on intermediate carbonium ions and carbanions, and also includes the benzil-benzilic acid and the Wolff rearrangements. The volume closes with coverage of carbonylation reactions, and the use of carbene insertion reactions into the C-H bond in synthesis.
Author: Robert Engel
Publisher: CRC Press
ISBN: 0203998243
Category : Science
Languages : en
Pages : 200
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Book Description
Synthesis of Carbon-Phosphorus Bonds, Second Edition is a working guide for the laboratory, incorporating classical approaches with the recent developments of carbon-phosphorus (C-P) bond formation. These advances include the preparation of phosphoranes - specifically in the use of transient oxophosphoranes as intermediates in organophosphorus comp
Author: Andreas Hirsch
Publisher: John Wiley & Sons
ISBN: 3527605940
Category : Science
Languages : en
Pages : 440
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Book Description
In this handbook, the leading experts in the field presents important and fundamental aspects of the organic and organometallic chemistry of fullerenes. Naturally they also cover the applications in material and medicinal science for these fascinating molecules. Completely self-contained, the book is logically arranged such that information is easy to retrieve, and the style lends itself to effortless reading and to learning more about the chemical properties of this family of molecules. A definitive "must" for everyone working in this ever-expanding sphere.
Author: A. C. Knipe
Publisher: John Wiley & Sons
ISBN: 1119125065
Category : Science
Languages : en
Pages : 717
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Book Description
Organic Reaction Mechanisms 2015, the 51st annual volume in this highly successful and unique series, surveys research on organic reaction mechanisms described in the available literature dated 2015. The following classes of organic reaction mechanisms are comprehensively reviewed: Reaction of Aldehydes and Ketones and their Derivatives Reactions of Carboxylic, Phosphoric, and Sulfonic Acids and their Derivatives Oxidation and Reduction Carbenes and Nitrenes Nucleophilic Aromatic Substitution Electrophilic Aromatic Substitution Carbocations Nucleophilic Aliphatic Substitution Carbanions and Electrophilic Aliphatic Substitution Elimination Reactions Polar Addition Reactions Cycloaddition Reactions Molecular Rearrangements An experienced team of authors compile these reviews every year, so that the reader can rely on a continuing quality of selection and presentation.
Author: Inamuddin
Publisher: Springer Nature
ISBN: 3030728773
Category : Science
Languages : en
Pages : 354
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Book Description
This edited book provides an in-depth overview of carbon dioxide (CO2) transformations to sustainable power technologies. It also discusses the wide scope of issues in engineering avenues, key designs, device fabrication, characterizations, various types of conversions and related topics. It includes studies focusing on the applications in catalysis, energy conversion and conversion technologies, etc. This is a unique reference guide, and one of the detailed works is on this technology. The book is the result of commitments by leading researchers from various backgrounds and expertise. The book is well structured and is an essential resource for scientists, undergraduate, postgraduate students, faculty, R&D professionals, energy chemists and industrial experts.
Author: A. Varvoglis
Publisher: Academic Press
ISBN: 0080534368
Category : Science
Languages : en
Pages : 245
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Book Description
This book describes the fascinating chemistry of the many kinds of organic compounds of hypervalent iodine. Each chapter deals with a particular iodine compound or families of compounds which have been used as reagents in a plethora of useful transformations. These include assorted oxidation, such as with the precious Dess-Martin reagent as well as with a wide range of further reactions. Prominent features of hypervalent iodine reagents derived from iodobenzene are: ready availability, operational simplicity, mild reaction conditions, and high efficiency. They are environmentally safe and can be recycled. New species may be easily prepared by introducing substituents in the benzene ring or changing the ligand attached to iodine. Their combination with other reagents broadens considerably their synthetic potential. Today, no synthetic chemist can afford to ignore the valuable hypervalentiodine reagents. - Features up-to-date coverage of a wide range of topics - Includes many tables featuring a diversity of reactivity, and a comprehensive index - Acts as a comprehensive, up-to-date reference on all aspects of hypervalent iodine chemistry - Contains a section on unusual efficiency of hypervalent iodine reactions
Author: Guangbin Dong
Publisher: Springer
ISBN: 364255055X
Category : Science
Languages : en
Pages : 265
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Book Description
The series Topics in Current Chemistry presents critical reviews of the present and future trends in modern chemical research. 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. Review articles for the individual volumes are invited by the volume editors. Readership: research chemists at universities or in industry, graduate students
Author: Peter J. Dunn
Publisher: John Wiley & Sons
ISBN: 1118354516
Category : Science
Languages : en
Pages : 449
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Book Description
Opens the door to the sustainable production of pharmaceuticals and fine chemicals Driven by both public demand and government regulations, pharmaceutical and fine chemical manufacturers are increasingly seeking to replace stoichiometric reagents used in synthetic transformations with catalytic routes in order to develop greener, safer, and more cost-effective chemical processes. This book supports the discovery, development, and implementation of new catalytic methodologies on a process scale, opening the door to the sustainable production of pharmaceuticals and fine chemicals. Pairing contributions from leading academic and industrial researchers, Sustainable Catalysis focuses on key areas that are particularly important for the fine chemical and pharmaceutical industries, including chemo-, bio-, and organo-catalytic approaches to C H, C N, and C C bond-forming reactions. Chapters include academic overviews of current innovations and industrial case studies at the process scale, providing new insights into green catalytic methodologies from proof-of-concept to their applications in the synthesis of target organic molecules. Sustainable Catalysis provides the foundation needed to develop sustainable green synthetic procedures, with coverage of such emerging topics as: Catalytic reduction of amides avoiding LiAlH4 or B2H6 Synthesis of chiral amines using transaminases Industrial applications of boric acid and boronic acid catalyzed direct amidation reactions C H activation of heteroaromatics Organocatalysis for asymmetric synthesis Offering a balanced perspective on current limitations, challenges, and solutions, Sustainable Catalysis is recommended for synthetic organic chemists seeking to develop new methodologies and for industrial chemists dedicated to large-scale process development.
Author: Joseph Jankovic
Publisher: Elsevier Health Sciences
ISBN: 1437737706
Category : Medical
Languages : en
Pages : 557
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Book Description
Principles and Practice of Movement Disorders provides the complete, expert guidance you need to diagnose and manage these challenging conditions. Drs. Stanley Fahn, Joseph Jankovic and Mark Hallett explore all facets of these disorders, including the latest rating scales for clinical research, neurochemistry, clinical pharmacology, genetics, clinical trials, and experimental therapeutics. This edition features many new full-color images, additional coverage of pediatric disorders, updated Parkinson information, and many other valuable updates. An accompanying Expert Consult website makes the content fully searchable and contains several hundred video clips that illustrate the manifestations of all the movement disorders in the book along with their differential diagnoses. Get just the information you need for a clinical approach to diagnosis and management, with minimal emphasis on basic science. Find the answers you need quickly and easily thanks to a reader-friendly full-color format, with plentiful diagrams, photographs, and tables. Apply the latest advances to diagnosis and treatment of pediatric movement disorders, Parkinson disease, and much more. View the characteristic presentation of each disorder with a complete collection of professional-quality, narrated videos online. Better visualize every concept with new full-color illustrations throughout. Search the complete text online, follow links to PubMed abstracts, and download all of the illustrations, at www.expertconsult.com.
