Download or read book Heterocyclic Scaffolds I written by Bimal K. Banik and published by Springer Science & Business Media. This book was released on 2010-06-08 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: B. Alcaide ∙ P. Almendros: Novel Aspects on the Preparation of Spirocyclic and Fused Unsual β-Lactams.- S.S. Bari ∙ A. Bhalla: Spirocyclic β-Lactams: Synthesis and Biological Evaluation of Novel Heterocycles.- L. Troisi ∙ C. Granito ∙ E. Pindinelli: Novel and Recent Synthesis and Applications of β-Lactams.- C. Palomo ∙ M. Oiarbide: β-Lactams Ring Opening: A Useful Entry to Amino Acids and Relevant Nitrogen-Containing Compounds.- B. Mandal ∙ P. Ghosh ∙ B. Basu: Recent Approaches Towards Solid Phase Synthesis of β-Lactams.- A.Arrieta ∙ B. Lecea ∙ F.P. Cossio: Computational Studies on the Synthesis of β-Lactams Via [ 2+2] Thermal Cycloadditions.- B. K. Banik ∙ I. Banik ∙ F. F. Becker: Novel Anticancer β-Lactams

Download or read book Heterocyclic Scaffolds II written by Gordon W. Gribble and published by Springer Science & Business Media. This book was released on 2010-10-09 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: Richard J. Sundberg Electrophilic Substitution Reactions of Indoles Tara L.S. Kishbaugh Reactions of Indole with Nucleophiles Erin Pelkey Metalation of Indole Jie Jack Li ∙ Gordon W. Gribble Metal-Catalyzed Cross-Coupling Reactions for Indoles Jeanese C. Badenock Radical Reactions of Indole Fariborz Firooznia ∙ Robert F. Kester ∙ Steven J. Berthel [2+2], [3+2] and [2+2+2] Cycloaddition Reactions of Indole Derivatives Robert F. Kester ∙ Steven J. Berthel ∙ Fariborz Firooznia [4+2] Cycloaddition Reactions of Indole Derivatives Jonathon S. Russel Oxindoles and Spirocyclic Variations: Strategies for C3 Functionalization Liangfeng Fu Advances in the Total Syntheses of Complex Indole Natural Products

Download or read book Synthesis of Heterocyclic Scaffolds Using Reagentless Techniques written by Sergi Ortoll and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Key Heterocycle Cores for Designing Multitargeting Molecules written by Om Silakari and published by Elsevier. This book was released on 2018-06-11 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Key Heterocycle Cores for Designing Multitargeting Molecules provides a helpful overview of current developments in the field. Following a detailed introduction to the manipulation of heterocycle cores for the development of dual or multitargeting molecules, the book goes on to describe specific examples of such developments, focusing on compounds such as Benzimidazole, Acridine, Flavones, Thiazolidinedione and Oxazoline. Drawing on the latest developments in the field, this volume provides a valuable guide to current approaches in the design and development of molecules capable of acting on multiple targets. Adapting the heterocyclic core of a single-target molecule can facilitate its development into an agent capable of acting on multiple targets. Such multi-targeting drugs have the potential to become essential components in the design of novel, holistic treatment plans for complex diseases, making the design of such active agents an increasingly important area of research. Emphasizes the chemical development of heterocyclic nuclei, from single to multitargeting molecules Provides chapter-by-chapter coverage of the key heterocyclic compounds used in synthesizing multitargeting agents Outlines current trends and future developments in multitarget molecule design for the treatment of various diseases

Download or read book Privileged Scaffolds in Medicinal Chemistry written by Stefan Bräse and published by Royal Society of Chemistry. This book was released on 2015-11-20 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses the various classes of privileged scaffolds and covers the history of their discovery and use.

Download or read book Synthesis of Bioactive Scaffolds 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 414 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 bond forming reactions for bioactive scaffolds.

Download or read book Preparation of 5 6 7 8 tetrahydro 1 6 naphthyridines and Other Heterocyclic Scaffolds and Their Application in Library Synthesis written by Ya Zhou and published by . This book was released on 2008 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Small, polyfunctionalized heterocycles have attracted significant attention in the design of biologically active compounds in the drug discovery enterprise. Research in the area of combinatorial synthesis employing heterocycles as scaffolds for library development has become very prominent. Pyridine-containing heterocycles, such as tetrahydronaphthyridines, have been shown to possess a variety of biologic activities. Previous work in our group developed an inverse-electron-demand Diets-Alder (IEDDA) strategy to prepare the 1,2,3,4-tetrahydro-1,5-naphthyridines, however, the preparation of the other tetrahydronaphthyridine analogues could not be achieved via this IEDDA strategy. Thus, metal-catalyzed [2 + 2 + 2] cyclizations between a nitrite and two alkynes were investigated in both intermolecular and intramolecular reactions, which have the potential to prepare all the tetrahydronaphthyridine isomers. To determine optimal conditions, different transition metals (Co, Zr, Ni, Ir, Ru, and Au), as well as reaction conditions (thermal heating, photochemical activation, and microwave irradiation) were screened. The best results were achieved when CpCo(CO) 2 was employed as catalyst, under microwave irradiation in chlorobenzene. Using the optimized microwave-promoted conditions, the intermolecular cyclizations between amino alkynyl nitriles and alkynes gave the desired 5,6,7,8-tetrahydro-1,6-naphthyridines in modest yields, while the intramolecular cyclizations of dialkynyl aminonitrile precursors afforded dihydropyran ring-fused tetrahydronaphthyridines in excellent yields. Finally, a heterocyclic natural product, naringenin, was investigated for its suitability as a library scaffold. Belonging to the flavonone class, naringenin is characterized by the rigid tricyclic benzopyran core with three phenols at C-5, C-7 and C-4' positions. Recent epidemiological studies showed increasing evidence for the anticancer and antiatherogenic properties of this natural product. Its rigid, densely functionalized tricyclic scaffold is an attractive structure for discovering novel bioactive molecules. Thus, suitable chemistries were explored on these scaffolds in an effort to define regioselective transformations of the phenolic groups through palladium catalyzed cross-coupling chemistry which could be applied to library development.

Download or read book Biological Potentials of Heterocyclic Scaffolds in the New Era written by Aakash Deep and published by LAP Lambert Academic Publishing. This book was released on 2015-05-07 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the recent past, Heterocycles becomes an important class of compounds, making up more than half of all known organic compounds. Heterocycles are present in a wide variety of drugs, most vitamins, many natural products, biomolecules, and biologically active compounds, including antimicrobial, anticancer, anti-inflammatory, antidepressant, antimalarial, anti-HIV, antiviral, plant activators agents.

Download or read book Non Conventional Synthesis written by György Keglevich and published by Walter de Gruyter GmbH & Co KG. This book was released on 2023-11-06 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Heterocyclic Scaffolds II written by Gordon W. Gribble and published by Springer. This book was released on 2010-10-08 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: Richard J. Sundberg Electrophilic Substitution Reactions of Indoles Tara L.S. Kishbaugh Reactions of Indole with Nucleophiles Erin Pelkey Metalation of Indole Jie Jack Li ∙ Gordon W. Gribble Metal-Catalyzed Cross-Coupling Reactions for Indoles Jeanese C. Badenock Radical Reactions of Indole Fariborz Firooznia ∙ Robert F. Kester ∙ Steven J. Berthel [2+2], [3+2] and [2+2+2] Cycloaddition Reactions of Indole Derivatives Robert F. Kester ∙ Steven J. Berthel ∙ Fariborz Firooznia [4+2] Cycloaddition Reactions of Indole Derivatives Jonathon S. Russel Oxindoles and Spirocyclic Variations: Strategies for C3 Functionalization Liangfeng Fu Advances in the Total Syntheses of Complex Indole Natural Products

Download or read book Sustainable Approaches to Novel Heterocyclic Scaffolds for Medicinal Chemistry written by Robert W. Foster and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Vicinal Diaryl Substituted Heterocycles written by M. R. Yadav and published by Elsevier. This book was released on 2018-03-14 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vicinal Diaryl-Substituted Heterocycles: A Gold Mine for the Discovery of Novel Therapeutic Agents draws together all of the key information about these compounds in one place for the first time. Following an informative overview of the importance of these structures to the discovery of potential therapeutic agents, the text goes on to outline the main compound types, with each chapter focusing on the activities of a different structure. Designed to support researchers by consolidating this important information in a single, practical guide, the authors hope to encourage further advancement and development in the discovery of novel therapeutic agents. As flexible building blocks for the production of novel compounds, vicinal diaryl-substituted heterocycles are a rich source of leads for the development of new drugs. Their adaptability means that they can be used to produce structures with a broad range of attractive characteristics, and a large number of vicinal diaryl-substituted heterocyclic compounds have already been synthesized and investigated by medicinal chemists as promising lead molecules. Collects together details of the key vicinal diaryl-substituted heterocyclic compounds in one place for the first time Highlights biological activities and SAR of derivatives Structured practically for ease of navigation between different derivatives

Download or read book Heterocyclic N Oxides written by Oleg V. Larionov and published by Springer. This book was released on 2017-07-12 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Topics in Heterocyclic Chemistry presents critical reviews on present and future trends in the research of heterocyclic compounds. Overall the scope is to cover topics dealing with all areas within heterocyclic chemistry, both experimental and theoretical, of interest to the general heterocyclic chemistry community. The series consists of topic related volumes edited by renowned editors with contributions of experts in the field. All chapters from Topics in Heterocyclic Chemistry are published Online First with an individual DOI. In references, Topics in Heterocyclic Chemistry is abbreviated as Top Heterocycl Chem and cited as a journal.

Download or read book Scope of Selective Heterocycles from Organic and Pharmaceutical Perspective written by Ravi Varala and published by BoD – Books on Demand. This book was released on 2016-06-30 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scope of Selective Heterocycles from Organic and Pharmaceutical Perspective is a compilation of bioactive-chosen heterocyclic scaffolds intended for postgraduates, research scholars, pharmaceutical scientists, and others interested in an appreciation of the title subject. It is an edited book and is not comprehensive as well in the mentioned field. Few synthetic strategies along with bioactivity are presented, and some limitations were raised in order to arouse curiosity of the reader.

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 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Download or read book Synthesis of Novel Heterocyclic Scaffolds from Cyclic Sulfamidates written by Laura Mhairi Broad and published by . This book was released on 2012 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Piperidine Based Drug Discovery written by Ruben Vardanyan and published by Elsevier. This book was released on 2017-06-12 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: Piperidine-Based Drug Discovery outlines the complexities of Piperidine scaffold use in drug discovery, including derivative chemistry, structural properties, methods of synthesis and practical implementations. Piperidine scaffolds are the cornerstones of over 70 commercialized drugs (including multiple blockbusters). Designed as a guide for both experts and students working in this and related areas, it is hoped that this volume will encourage and inspire the continued design and development of novel pharmaceuticals based on Piperidine and its derivatives. Heterocyclic compounds are of central importance to medicinal chemistry, as demonstrated by the high percentage of marketable drugs that feature heterocyclic fragments in their structures. As starting points for drug discovery they offer a broad range of attractive properties, and a detailed understanding of the particular characteristics of each is of great benefit to researchers. The most commonly used heterocycle among US FDA approved pharmaceuticals, Piperidine is an extremely important building block in the synthesis of medicinal agents. This heterocycle and its derivatives exhibit a number of important functionalities and have been employed variously as CNS modulators, antiaggregants, anticoagulants, antihistamines, anti-cancer drugs and analgesics. Explores this extremely important heterocycle to a high level of detail Describes synthesis methods for 70 current drugs based on Piperidine scaffolds Gives drug designers all the key knowledge required to develop new drugs utilizing Piperidine Provides pharmacologists a solid overview of the chemical background of existing Piperidine-based drugs