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Quinoxalines
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Download or read book Quinoxalines written by Vakhid A. Mamedov and published by Springer. This book was released on 2016-04-26 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews the fundamental aspects of quinoxaline chemistry: synthesis, reactions, mechanisms, structure, properties, and uses. The first four chapters present a survey of the developments in quinoxaline chemistry since the publication of the monograph on “Condensed Pyrazines” by Cheeseman and Cookson in 1979. These chapters give comprehensive coverage of all the methods of the synthesis of quinoxalines and the important quinoxaline-containing ring systems such as thiazolo[3,4-a]-, pyrrolo[1,2-a]-, and imidazo[1,5-a]quinoxalines. Chapter five describes many new methods for the construction of quinoxaline macrocycles, which are important in applications such as optical devices and materials. The final chapter reviews all previously known rearrangements of heterocyclic systems that lead to benzimidazole derivatives. Mamedov critically analyses these transformations to reveal a novel acid-catalyzed rearrangement of quinoxalinones giving 2-heteroarylbenzimidazoles and 1-heteroarylbenzimidazolones in the presence of nucleophilic reactants (MAMEDOV Heterocycle Rearrangement). This book is of interest to researchers in the fields of heterocyclic and synthetic organic chemistry.
Book Synopsis Quinoxalines, Volume 61, Spplement 2 by : Desmond J. Brown
Download or read book Quinoxalines, Volume 61, Spplement 2 written by Desmond J. Brown and published by John Wiley & Sons. This book was released on 2004-02-15 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume in the Chemistry of Heterocyclic Compounds series presents a comprehensive review of the quinoxaline literature from 1975 to the present (2002), updating Volumes 5 and 35. It provides an alphabetical table of known simple quinoxalines, including new compounds discussed in this volume and their physical data, as well as the pyrazines from the original volumes. Biological activities, spectral or other physical studies, and other such materials appear at appropriate points in the text. The in-depth coverage includes synthesis, reactions, spectroscopic, and physical properties for each class of compounds. Chemistry of Heterocyclic Compounds, Volume 61: Supplement II provides the most up-to-date summation of knowledge of the synthetic chemistry of quinoxalines.
Book Synopsis Synthesis of Functional Quinoxaline Derivatives for the Application in Biology and Materials Sciences by : Laura Holzhauer
Download or read book Synthesis of Functional Quinoxaline Derivatives for the Application in Biology and Materials Sciences written by Laura Holzhauer and published by Logos Verlag Berlin GmbH. This book was released on 2024-02-19 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nitrogen-containing heterocycles belong to the most versatile and important compounds for medicinal chemistry and sustainable and advanced materials. Around 60 % of FDA-approved unique small molecule drugs incorporate a nitrogen heterocycle. N-heterocyclic compounds are essential components of organic light-emitting diodes and organic solar cells. Quinoxalines are a class of heterocyclic compounds accessible by straightforward syntheses, present in commercially available drugs and optoelectronic architectures. In this work, quinoxaline-containing compounds were synthesized and analyzed regarding their potential uses in biology and materials science, focusing on nitrogen-rich and dimeric quinoxalines. Various tetrazolo[1,5-a]quinoxalines were synthesized and converted to 1,2,3-triazoloquinoxalines and novel triazoloimidazoquinoxalines via a modified CuAAC procedure. A previously unknown copper-catalyzed denitrogenative annulation process was described in this context. As tankyrase inhibitors, substituted tetrazolo[1,5-a]quinoxaline derivatives were assembled and tested in biological studies. Moreover, the synthesis of quinoxaline dimers and metal complexation of selected 1,2,3-triazoloquinoxalines was investigated. Donor-acceptor emitter structures were assembled employing suitable tetrazolo [1,5-a]quinoxalines and 1,2,3-triazoloquinoxalines and their emissive properties were explored, highlighting the influence of the direction of the triazole linker on delayed fluorescence.
Book Synopsis Mechanism of Action of Antimicrobial and Antitumor Agents by : J. F. Snell
Download or read book Mechanism of Action of Antimicrobial and Antitumor Agents written by J. F. Snell and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is the third in the series devoted to Antibiotics initiated by Springer Verlag in 1967. The first two volumes were devoted to the Mode of Action of Antibiotics and Biogenesis, respectively and were received graciously. During the intervening years these two works have been used often by research workers and students alike and have been quoted extensively. Although a number of other excellent treatises on antibiotics have appeared, the Springer series has set a standard for thoroughness and quality that meets the need of the scientific community. It is against this background that the present Editors set about the preparation of a third volume in the Series on Antibiotics. Since the appearance of Volume I, also dealing with Mechanism of Action, tremendous strides have been made in the depth and breadth of our knowledge of molecular biology, microbial chemistry and molecular pharmacology and of their direct application to studies on the mode of action of drugs. The field of molecular biology itself was in its relative infancy during the preceding decade and the unique role played by many anti biotics in the development of our understanding of nucleic acid synthesis and function and its relationship to protein synthesis and cell physiology has led rapidly to a very precise, understanding of how many of these same antibiotics inhibit susceptible cells.
Book Synopsis Quinoxalines, Volume 61, Spplement 2 by : Desmond J. Brown
Download or read book Quinoxalines, Volume 61, Spplement 2 written by Desmond J. Brown and published by Wiley-Interscience. This book was released on 2004-01-22 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume in the Chemistry of Heterocyclic Compounds series presents a comprehensive review of the quinoxaline literature from 1975 to the present (2002), updating Volumes 5 and 35. It provides an alphabetical table of known simple quinoxalines, including new compounds discussed in this volume and their physical data, as well as the pyrazines from the original volumes. Biological activities, spectral or other physical studies, and other such materials appear at appropriate points in the text. The in-depth coverage includes synthesis, reactions, spectroscopic, and physical properties for each class of compounds. Chemistry of Heterocyclic Compounds, Volume 61: Supplement II provides the most up-to-date summation of knowledge of the synthetic chemistry of quinoxalines.
Book Synopsis Condensed Pyrazines by : G. W. H. Chesseman
Download or read book Condensed Pyrazines written by G. W. H. Chesseman and published by John Wiley & Sons. This book was released on 2009-09-15 with total page 835 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides an account of the preparation, properties, and uses of the more important bi- and tri-cyclic ring systems incorporating the pyrazine ring. The first 18 chapters survey the developments in the chemistry of quinoxalines since the appearance in 1953 of a previous monograph in this series. The subsequent 22 chapters provide the first authoritative reviews of the chemistry of such important related ring systems as the pyrrolopyrazines.
Book Synopsis Quinoxalines, Volume 61, Spplement 2 by : Desmond J. Brown
Download or read book Quinoxalines, Volume 61, Spplement 2 written by Desmond J. Brown and published by Wiley-Interscience. This book was released on 2004-01-22 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume in the Chemistry of Heterocyclic Compounds series presents a comprehensive review of the quinoxaline literature from 1975 to the present (2002), updating Volumes 5 and 35. It provides an alphabetical table of known simple quinoxalines, including new compounds discussed in this volume and their physical data, as well as the pyrazines from the original volumes. Biological activities, spectral or other physical studies, and other such materials appear at appropriate points in the text. The in-depth coverage includes synthesis, reactions, spectroscopic, and physical properties for each class of compounds. Chemistry of Heterocyclic Compounds, Volume 61: Supplement II provides the most up-to-date summation of knowledge of the synthetic chemistry of quinoxalines.
Book Synopsis Substituted Quinoxalines by : Astley R. McLaughlin
Download or read book Substituted Quinoxalines written by Astley R. McLaughlin and published by . This book was released on 1981 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Condensed Pyridazine and Pyrazine Rings (cinnolines, Phthalazines, and Quinoxalines) by : James Charles Edward Simpson
Download or read book Condensed Pyridazine and Pyrazine Rings (cinnolines, Phthalazines, and Quinoxalines) written by James Charles Edward Simpson and published by . This book was released on 1953 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High-performance Polymers by : Guy Rabilloud
Download or read book High-performance Polymers written by Guy Rabilloud and published by Editions TECHNIP. This book was released on 1997 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summarizes the results published so far in the literature as an introduction to the third volume of the series, which will focus on the applications of heterocyclic polymers in the electronics industry. Considers the chemistry and applications of polyphenylquinoxalines and polymides, both of which have been used to make high-performance adhesives, composites, coatings, films, fibers, and foams that are now commercially available. Primarily a reference for materials scientists, polymer chemists, manufacturers of electronic components, and process engineers, but also potentially a textbook. Distributed in the US by Enfield Publishing and Distribution. Annotation copyrighted by Book News, Inc., Portland, OR
Book Synopsis Progress in Heterocyclic Chemistry by : Vakhid A. Mamedov
Download or read book Progress in Heterocyclic Chemistry written by Vakhid A. Mamedov and published by Elsevier Inc. Chapters. This book was released on 2013-09-06 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the second part of this two-part review (for Part 1 see V.A. Mamedov, A. Nataliya, N.A. Zhukova, Prog. Heterocycl. Chem. 2012, 24, 55), recent advances in the synthesis of quinoxalines are reviewed. Syntheses that start from pyrazine fragments and from benzenoid units are discussed. The review covers quinoxaline synthesis starting from anilines and derivatives of anilines, from nitroarenes, from other heterocycles, including benzimidazoles, benzodiazepines, and from fragments that contain neither a pyrazine ring nor a benzene ring, for example, epoxides and azirines, pyrrolidin-3-ones and piperidin-3-ones, γ-butyrolactones, pyran-2,3-diones, and 4-hydroxythiazolidines, amongst others.
Book Synopsis Pyridazine and Pyrazine Rings, Volume 5 by : J. C. Simpson
Download or read book Pyridazine and Pyrazine Rings, Volume 5 written by J. C. Simpson and published by John Wiley & Sons. This book was released on 2009-09-15 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Chemistry of Heterocyclic Compounds, since its inception, has been recognized as a cornerstone of heterocyclic chemistry. Each volume attempts to discuss all aspects – properties, synthesis, reactions, physiological and industrial significance – of a specific ring system. To keep the series up-to-date, supplementary volumes covering the recent literature on each individual ring system have been published. Many ring systems (such as pyridines and oxazoles) are treated in distinct books, each consisting of separate volumes or parts dealing with different individual topics. With all authors are recognized authorities, the Chemistry of Heterocyclic Chemistry is considered worldwide as the indispensable resource for organic, bioorganic, and medicinal chemists.
Book Synopsis Carbon-Carbon and Carbon-Heteroatom by : Rakesh Kumar Sharma
Download or read book Carbon-Carbon and Carbon-Heteroatom written by Rakesh Kumar Sharma and published by Walter de Gruyter GmbH & Co KG. This book was released on 2022-08-22 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon-carbon and carbon-heteroatom bond-forming reactions are the backbone of synthetic organic chemistry. Scientists are constantly developing and improving these techniques in order to maximize the diversity of synthetically available molecules. These techniques must be developed in a sustainable manner in order to limit their environmental impact. This book highlights green carbon-carbon and carbon-heteroatom bond forming reactions.
Book Synopsis Organic Syntheses Based on Name Reactions and Unnamed Reactions by : Alfred Hassner
Download or read book Organic Syntheses Based on Name Reactions and Unnamed Reactions written by Alfred Hassner and published by Elsevier. This book was released on 2013-10-22 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthetically useful organic reactions or reagents are often referred to by the name of the discoverer(s) or developer(s). Older name reactions are described in text books, but more recently developed synthetically useful reactions that may have been associated occasionally with a name are not always well known. For neither of the above are experimental procedures or references easy to find. In this monograph approximately 500 name reactions are included, of which over 200 represent newer name reactions and modern reagents. Each of these reactions are extremely useful for the contemporary organic chemistry researcher in industry or academic institutions. This book provides the information in an easily accessible form. In addition to seminal references and reviews, one or more examples for each name reaction are provided and a complete typical experimental procedure is included, to enable the student or researcher to immediately evaluate reaction conditions. Besides an alphabetical listing of reactions and reagents, cross references permit the organic practitioner to find those name reactions or reagents that enable specific transformations, such as, conversion of amines to nitriles, stereoselective reduction, fluoroalkylation, phenol alkynylation, asymmetric syntheses, allylic alkylation, nucleoside synthesis, cyclopentanation, hydrozirconation, to name a few. Emphasis has been placed on stereoselective and regioselective transformations as well as on enantioselective processes. The listing of reactions and reagents is supported by four indexes.
Book Synopsis Synthesis and Design of Unsymmetrical Quinoxaline-based Oligomer with Tunable Backbone by : Jér ^ome Klein
Download or read book Synthesis and Design of Unsymmetrical Quinoxaline-based Oligomer with Tunable Backbone written by Jér ^ome Klein and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Heterocyclic Chemistry by :
Download or read book Advances in Heterocyclic Chemistry written by and published by Academic Press. This book was released on 1978-05-31 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Heterocyclic Chemistry
Book Synopsis Green Synthetic Approaches for Biologically Relevant Heterocycles by : Goutam Brahmachari
Download or read book Green Synthetic Approaches for Biologically Relevant Heterocycles written by Goutam Brahmachari and published by Elsevier. This book was released on 2021-02-26 with total page 823 pages. Available in PDF, EPUB and Kindle. Book excerpt: Green Synthetic Approaches for Biologically Relevant Heterocycles, Second Edition, Volume Two: Green Catalytic Systems and Solvents reviews this significant group of organic compounds within the context of sustainable methods and processes, expanding on the first edition with fully updated coverage and a whole range of new chapters. Volume Two explores green catalytic systems and solvents and the techniques surrounding this approach, including metal and magnetic catalysis to organocatalysis and solid acid catalysis, cycloaddition reactions, and varied approaches using ionic liquids. This updated edition is an essential resource on sustainable approaches for academic researchers, R&D professionals, and students working across medicinal, organic, natural product and green chemistry. Provides fully updated coverage of the field with an emphasis on sustainability Highlights a range of different eco-friendly solvents and environmentally-friendly catalysts Collates the experience of a global team of expert contributors
