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Author: G. W. H. Chesseman
Publisher: John Wiley & Sons
ISBN: 0470188855
Category : Science
Languages : en
Pages : 835
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Book Description
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.
Author: G. W. H. Chesseman
Publisher: John Wiley & Sons
ISBN: 0470188855
Category : Science
Languages : en
Pages : 835
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Book Description
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.
Author:
Publisher: Elsevier
ISBN: 0443297436
Category : Science
Languages : en
Pages : 270
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Book Description
Advances in Heterocyclic Chemistry, Volume 144 highlights new advances in the field, with this volume presenting chapters on Metal free C-H functionalization of aromatic and non-aromatic heterocyclic systems, Divergent Total Synthesis of Indolizidine-, Quinolizidine-, and Decahydroquinoline-type Poison-frog Alkaloids, A perspective on the synthetic potential of bio-based building blocks for heterocyclic chemistry, Recent advances in the synthesis of 3,3-disubstituted oxetanes, and Pyrrole-based chemosensors: Recent trends. - Provides the authority and expertise of leading contributors from an international board of authors - Presents the latest release in Advances in Heterocyclic Chemistry
Author: Angelo Albini
Publisher: Routledge
ISBN: 1351441019
Category : Science
Languages : en
Pages : 328
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Book Description
This book provides a comprehensive presentation of all aspects of heterocyclic N-oxides. Topics discussed include the preparation of these compounds by N-oxidation of heterocycles and simultaneous synthesis of the ring and formation of the N-oxide group; general spectroscopic characteristics and molecular structure; and reactions and recently devel
Author: Gordon Bruce Barlin
Publisher: John Wiley & Sons
ISBN: 0470188693
Category : Science
Languages : en
Pages : 714
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Book Description
Complete coverage of chemical literature on simple pyrazines recorded in Beilstein to 1929, and Chemical Abstracts through 1978 (volume 89), together with selected references to 1980. Describes their history, occurrence, biological activity and uses, and nomenclature. Classified primary syntheses of pyrazines according to the starting materials employed. Treats primary syntheses of pyrazine N-oxides. Details syntheses, properties and reactions of alkyl, halogeno, hydroxy, mercapto, amino and carboxy pyrazines and their derivative and related compounds. Extensive table lists known simple pyrazines, physical data such as melting points and boiling points, and references.
Author: A. E. Needham
Publisher: Elsevier
ISBN: 1483156702
Category : Science
Languages : en
Pages : 617
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Book Description
The Uniqueness of Biological Materials deals with the unique properties of biological materials, carbohydrates, lipids, proteins, and nucleic acids and the extent to which this uniqueness is related to the uniqueness of life in general. More specifically, it examines whether the uniqueness of life is inherent in the material of living organisms. This volume is comprised of 32 chapters and begins with an introduction to the nature of biological uniqueness and how it is related to the uniqueness of life by comparing the elemental composition of living organisms with that of their environment. The discussion then turns to the uniqueness of hydrogen and oxygen which make up water; carbon; carbohydrates; and ternary compounds that are more fully oxidized than carbohydrates. Ternary compounds of intermediate grades of reduction are also considered, along with fatty acids and related lipids, paraffins, and olefins and ternary unsaturated compounds. Other biological materials discussed include peptides, proteins, amino acids, and halogens. This book will be of interest to students and practitioners of biology and biochemistry.
Author: Ole Hammerich
Publisher: CRC Press
ISBN: 9780824704308
Category : Science
Languages : en
Pages : 1418
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Book Description
A presentation of developments in the electrochemistry of C60 and related compounds, electroenzymatic synthesis, conducting polymers, and electrochemical partial fluorination. It contains accounts of carbonyl compounds, anodic oxidation of oxygen-containing compounds, electrosynthesis of bioactive materials, electrolyte reductive coupling, and more.
Author: Vakhid A. Mamedov
Publisher: Springer
ISBN: 3319297732
Category : Science
Languages : en
Pages : 451
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Book Description
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.
Author: Zerong Wang
Publisher: CRC Press
ISBN: 1000738922
Category : Science
Languages : en
Pages : 420
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Book Description
This is the second volume of a first-of-its-kind four-volume book set that provides readers with up-to-date information on α-amino acids, the potential challenges in working with α-amino acids, the protecting groups for the carboxyl, amino and side chain groups of the amino acids, and the most popular heterocyclic compounds that are originating from alpha-amino acids. These heterocyclic compounds include hydantoins, thiohydantoins (including 2-thiohydantoins, 4-thiohydantoins, 2,4-dithiohydantoins), 2,5-diketopiperazines, N-carboxyanhydrides, N-thiocarboxyanhydrides, sydnones, sydnonimines, azlactones, pseudoazlactones, and oxazolidin-5-ones. This is the first resource to comprehensively collect all the heterocycles that can be directly prepared from α-amino acids. In addition, almost all kinds of synthetic methods for a particular type of heterocycles from alpha-amino acids are included, along with the detailed mechanistic discussions and experimental procedures. In Volume 2: Hydantoins, Thiohydantoins, and 2,5-Diketopiperazines compiles the three IUPAC accepted nomenclature systems for heterocyclic compounds, which will be very useful for readers working in the heterocyclic chemistry field for giving synthesized molecules their correct names. In addition, three groups of heterocyclic compounds, i.e., hydantoins, thiohydantoins (including 2-thiohydantoin, 4-thiohydantoin and 2,4-dithiohydantoin), and 2,5-diketopiperazines, have been organized with updated literature information. Particularly, all three groups of heterocyclic compounds have demonstrated many important biological activities, particularly anticancer and antibacterial activities. On the other hand, these three groups of heterocycles can be applied as substrates to make other chemical derivatives, particularly novel unnatural amino acids. All their reactivities have been compiled and updated. The other volumes include: Volume 1: Protecting Groups Volume 3: N-Carboxyanhydrides, N-Thiocarboxyanhydrides, and Sydnones Volume 4: Azlactones and Oxazolidin-5-ones All together, this unique 4-volume set thoroughly covers the two types of heterocyclic compounds that are originated from alpha-amino acids, providing carefully compiled updated information with detailed examples. The author has shared many thoughtful insights based on his strong background in physical organic chemistry. The volumes will be highly valuable for graduate students and senior students, as well as for professors and researchers working in the field of medicinal and pharmaceutical chemistry, organic chemistry, organic synthesis, heterocycles, and proteins and peptides.
Author:
Publisher:
ISBN: 9789280514384
Category : Intellectual property
Languages : en
Pages : 262
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Book Description
Author: Desmond J. Brown
Publisher: John Wiley & Sons
ISBN: 0471264954
Category : Science
Languages : en
Pages : 533
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Book Description
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.
