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Author: Gianfranco Favi
Publisher: MDPI
ISBN: 3036503404
Category : Medical
Languages : en
Pages : 372
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Book Description
Heterocycles feature widely in natural products, agrochemicals, pharmaceuticals and dyes, and their synthesis is of great interest to synthetic chemists in both academia and industry. The contributions of recent applications of new methodologies in C–H activation, photoredox chemistry, cross-coupling strategies, borrowing hydrogen catalysis, multicomponent and solvent-free reactions, regio- and stereoselective syntheses, as well as other new, attractive approaches for the construction of heterocyclic scaffolds are of great interest. This Special Issue is dedicated to featuring the latest research that is ongoing in the field of heterocyclic synthesis. It is expected that most submissions will focus on five- and six-membered oxygen and nitrogen-containing heterocycles, but structures incorporating other rings/heteroatoms will also be considered. Original research (communications, full papers and reviews) that discusses innovative methodologies for assembling heterocycles with potential application in materials, catalysis and medicine are therefore welcome.
Author: Gianfranco Favi
Publisher: MDPI
ISBN: 3036503404
Category : Medical
Languages : en
Pages : 372
Get Book Here
Book Description
Heterocycles feature widely in natural products, agrochemicals, pharmaceuticals and dyes, and their synthesis is of great interest to synthetic chemists in both academia and industry. The contributions of recent applications of new methodologies in C–H activation, photoredox chemistry, cross-coupling strategies, borrowing hydrogen catalysis, multicomponent and solvent-free reactions, regio- and stereoselective syntheses, as well as other new, attractive approaches for the construction of heterocyclic scaffolds are of great interest. This Special Issue is dedicated to featuring the latest research that is ongoing in the field of heterocyclic synthesis. It is expected that most submissions will focus on five- and six-membered oxygen and nitrogen-containing heterocycles, but structures incorporating other rings/heteroatoms will also be considered. Original research (communications, full papers and reviews) that discusses innovative methodologies for assembling heterocycles with potential application in materials, catalysis and medicine are therefore welcome.
Author: Jie Jack Li
Publisher: John Wiley & Sons
ISBN: 1118354435
Category : Science
Languages : en
Pages : 688
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Book Description
Enables researchers to fully realize the potential to discover new pharmaceuticals among heterocyclic compounds Integrating heterocyclic chemistry and drug discovery, this innovative text enables readers to understand how and why these two fields go hand in hand in the effective practice of medicinal chemistry. Contributions from international leaders in the field review more than 100 years of findings, explaining their relevance to contemporary drug discovery practice. Moreover, these authors have provided plenty of practical guidance and tips based on their own academic and industrial laboratory experience, helping readers avoid common pitfalls. Heterocyclic Chemistry in Drug Discovery is ideal for readers who want to fully realize the almost limitless potential to discover new and effective pharmaceuticals among heterocyclic compounds, the largest and most varied family of organic compounds. The book features: Several case studies illustrating the role and application of 3, 4, 5, and 6+ heterocyclic ring systems in drug discovery Step-by-step descriptions of synthetic methods and practical techniques Examination of the physical properties for each heterocycle, including NMR data and quantum calculations Detailed explanations of the complexity and intricacies of reactivity and stability for each class of heterocycles Heterocyclic Chemistry in Drug Discovery is recommended as a textbook for organic and medicinal chemistry courses, particularly those emphasizing heterocyclic chemistry. The text also serves as a guide for medicinal and process chemists in the pharmaceutical industry, offering them new insights and new paths to explore for effective drug discovery.
Author: Alan R. Katritzky
Publisher: Academic Press
ISBN: 0123854652
Category : Science
Languages : en
Pages : 313
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Book Description
Established in 1960, Advances in Heterocyclic Chemistry is the definitive serial in the area—one of great importance to organic chemists, polymer chemists, and many biological scientists. Written by established authorities in the field, the comprehensive reviews combine descriptive chemistry and mechanistic insight and yield an understanding of how the chemistry drives the properties. - Provides up-to-date material on a fast-growing and highly topical subject area - Contains the latest research covering a wide variety of heterocyclic topics - Written by leading authorities and designed as a handbook for students and industry and academic researchers
Author: Ana Maria Faisca Phillips
Publisher: John Wiley & Sons
ISBN: 1119708753
Category : Science
Languages : en
Pages : 864
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Book Description
A comprehensive overview of synthetic strategies for nonaromatic nitrogen heterocycles Nitrogen heterocycles are extremely widely distributed in nature, as well as in synthetic substances found in pharmaceuticals, agrochemicals, and materials chemistry. With new structures and medicines that include these structures emerging yearly, and a vast new journal literature to describe them, anyone who wants to be effective in R&D needs to easily access a synthesis of the latest research. This state-of-the-art survey explores recent developments in the most widely used reactions, as well as completely new ones. Highlights the major modern synthetic methods known to obtain nonaromatic nitrogen heterocycles, and their practical applications Topics include enantioselective synthesis and catalysis, photocatalysis, biocatalysis, microwave-assisted synthesis, reactions of oximes and nitrones, and ionic liquids Discusses how to synthesize rings of specific sizes Covers sustainable synthetic approaches for obtaining salts Whether you are using nonaromatic nitrogen compounds as an academic researcher, a synthetic chemist in industry, or an advanced student, this book is an essential, up-to-date resource to support your work.
Author:
Publisher: Elsevier
ISBN: 0443237743
Category : Science
Languages : en
Pages : 430
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Book Description
Advances in Heterocyclic Chemistry, Volume 142, the latest release in this definitive series, combines descriptive synthetic chemistry and mechanistic insight to yield an understanding of how chemistry drives the preparation and useful properties of heterocyclic compounds. Chapters in this new release include Recent advances in the Synthesis of Benzo[b]furans, Recent Advances in the Synthesis of 6-Membered Heterocycles via Domino and Multicomponent Reactions (from 2017-2022), Multi-component synthesis of isatin based bioactive heterocycles, Recent advances in the chemistry of pyrazolo[1,5-a]pyrimidines, The Literature of Heterocyclic Chemistry, Part XXI, 2021, and much more.Additional sections present the latest Advances in applications of dihydropyridines in organic chemistry and Strategies for the annulation of five-membered sulfur-nitrogen rings to benzene and heterocycles. - Considered the definitive serial in the field of heterocyclic chemistry - Serves as the go-to reference for organic chemists, polymer chemists, and many biological scientists - Provides the latest comprehensive reviews written by established authorities in the field - Combines descriptive synthetic chemistry and mechanistic insights to enhance understanding on how chemistry drives the preparation and useful properties of heterocyclic compounds
Author: Gordon W. Gribble
Publisher: John Wiley & Sons
ISBN: 0470512180
Category : Science
Languages : en
Pages : 704
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Book Description
Of the myriad of heterocycles known to man, the indole ring stands foremost for its remarkably versatile chemistry, its enormous range of biological activities, and its ubiquity in the terrestrial and marine environments. The indole ring continues to be discovered in natural products and to be employed in man-made pharmaceuticals and other materials. Given the enormous resurgence in indole ring synthesis over the past decade — highlighted by the power of transition metal catalysis — this authoritative guide addresses the need for a comprehensive presentation of the myriad of methods for constructing the indole ring, from the ancient to the modern, and from the obscure to the well-known. Following presentation of the classic indole ring syntheses and many newer methods, coverage continues with indole ring syntheses via pyrroles, indolines, oxindoles, isatins, radical and photochemical reactions, aryne cycloadditions. This extensive volume concludes with the modern transition metal–catalyzed indole ring syntheses that utilize copper, palladium, rhodium, gold, ruthenium, platinum, and other metals to fashion the indole ring Indole Ring Synthesis is a comprehensive, authoritative and up-to-date guide to the synthesis of this important heterocycle for organic chemists, pharmaceutical researchers and those interested in the chemistry of natural products.
Author: Julio Alvarez-Builla
Publisher: John Wiley & Sons
ISBN: 3527332014
Category : Science
Languages : en
Pages : 2531
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Book Description
Eine Fülle von Information zum attraktiven Preis bietet Ihnen dieses vierbändige Handbuch der Heterocyclenchemie.
Author: Tim Wezeman
Publisher: Logos Verlag Berlin GmbH
ISBN: 383254397X
Category : Science
Languages : en
Pages : 253
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Book Description
Sulfonyl ynamides are highly versatile and synthetically useful reagents. This thesis details the modular synthesis and use of sulfonyl ynamides in order to access N-heterocyclic scaffolds, such as quinolines and pyrazoles. The synthesis of a wide array of sulfonyl ynamides can be realized via copper-catalyzed amidative cross-couplings or by elimination of dichloroenamide precursors. Additionally the use of Sonogashira chemistry to further diversify terminal ynamides and the synthesis of solid-supported ynamides was investigated. Electrophilically-activated amides can be reacted with sulfonyl ynamides in order to access highly functionalized 4-aminoquinolines. The straightforward amide activation procedure with triflic anhydride and 2-chloropyridine was found to tolerate a wide range of substrates, which allowed for the development of a library of 4-aminoquinolines with ease. Moreover, 4-aminopyrazoles can be prepared by reacting terminal sulfonyl ynamides with sydnones under copper catalysis. However, as the copper catalysts were also found to promote the degradation of the ynamides, a copper-free strain-promoted alternative was developed. An in situ prepared 3-azacyclohexyne was found to tolerate a wide array of C-4 substituted sydnones, producing a mixture of both the 3,4- and 4,3-fused pyrazoles in good yields. Additional investigations into heterocyclic methodology led to the development of highly sophisticated, non-symmetrical and axially-chiral dibenzo-1,3-diazepines, -oxazepines and -thiazepines from simple, commercially available anilines. The anilines were coupled to their corresponding reaction partners via a chloromethyl intermediate and the 7-membered ring was subsequently formed using direct arylation.
Author: Gordon Gribble
Publisher: Elsevier
ISBN: 0080458564
Category : Science
Languages : en
Pages : 459
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Book Description
This is the seventeenth annual volume of Progress in Heterocyclic Chemistry, which covers the literature published during 2004 on most of the important heterocyclic ring systems. The volume opens with two specialized reviews: Dennis Wright covers Furans as Versatile Synthons for Target-Oriented and Diversity-Oriented Synthesis; and John Hepworth and Mark Heron discuss 'The Synthesis and Photochromic Properties of Naphthopyrans'. The remaining chapters examine the recent literature on the common heterocycles in order of increasing ring size and the heteroatoms present. - Includes new contributions from experts in the field - Covers literature published during 2004 on most of the important heterocyclic ring systems - Presents reviews on Versatile Synthons for Target-Oriented and Diversity-Oriented Synthesis; and Synthesis and Photochromic Properties of Naphthopyrans
Author: Goutam Brahmachari
Publisher: Elsevier
ISBN: 0128205865
Category : Science
Languages : en
Pages : 642
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Book Description
Green Synthetic Approaches for Biologically Relevant Heterocycles, Second Edition, Volume One: Advanced Synthetic Techniques 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 One explores advanced synthetic techniques, with each chapter presenting in-depth coverage of various green protocols for the synthesis of a wide variety of bioactive heterocycles that are classified on the basis of ring-size and/or the presence of heteroatoms. Techniques covered range from high pressure cycloaddition reactions and microwave irradiation to sustainable one-pot domino reactions. 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 of greener heterocycle synthesis Includes new chapters on varied multicomponent reactions, alongside both traditional and novel approaches Presents information in an accessible style with an emphasis on sustainability
