isocoumarin thiaisocoumarin and phosphaisocoumarin

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Isocoumarin, Thiaisocoumarin and Phosphaisocoumarin
Author : Sarbani Pal,Manojit Pal
Publisher : Elsevier
Release Date : 2018-10-16
ISBN 10 : 0128154462
Pages : 216 pages

Isocoumarin, Thiaisocoumarin and Phosphaisocoumarin: Natural Occurrences, Synthetic Approaches and Pharmaceutical Applications gives an overview of the various aspects of this class of heterocycle, with a major focus on synthesis and biological activity. Aromatic δ lactones or isocoumarins with thiaisocoumarins, phosphaisocoumarins and a-pyranone fused with a heteroaryl ring constitute an important class of heterocyclic compounds. This book provides the methods applied for the synthesis of thiaisocoumarins, phosphaisocoumarins, and a-pyranone fused with a heteroaryl ring. It is useful to medicinal and natural product chemists who want to synthesize target molecules and develop cutting-edge technologies to provide better solutions to researchers. Features an overview of isocoumarins and their role in pharmaceutical research Presents a template for the design, discovery and development of new and potential drugs in various therapeutic areas Includes comprehensive coverage of the synthesis of isocoumarins, from traditional methods, to transition metal catalyzed methods Looks at future applications for these important compounds in the areas of drug discovery and pharmaceutical research

Advances in Polymer Chemistry and Methods Reported in Recent US Patents
Author : Thomas F. DeRosa
Publisher : John Wiley & Sons
Release Date : 2008-09-16
ISBN 10 : 0470385987
Pages : 760 pages

The objective of this book is to convey to academic and industrial researchers and students advances in synthetic and characterization methods in 9 selected areas of polymer chemistry reported in 2007-2008 US Patents. It reviews the impact of newer bulk anionic, cationic, and free radical polymerization methods within selected industrial applications. Bulk and surface crosslinking agents using selected bi- and tri-functional reagents, photochemical methods, or free radical agents are also reviewed. Finally, there is a separate section on cationic and cationic ring opening polymerization reactions describing di- and tri-heterocyclic monomers and their use in medical devices.

Name Reactions in Heterocyclic Chemistry II
Author : Jie Jack Li
Publisher : John Wiley & Sons
Release Date : 2011-09-28
ISBN 10 : 1118092848
Pages : 704 pages

The up-to-DATE guide to name reactions in heterocyclicchemistry Name Reactions in Heterocyclic Chemistry II presents acomprehensive treatise on name reactions in heterocyclic chemistry,one of the most exciting—and important—fields withinorganic chemistry today. The book not only covers fresh ground, but also providesextensive information on new and/or expanded reactions in: Three- and four-membered heterocycles Five-membered heterocycles (pyrroles and pyrrolidines, indoles,furans, thiophenes, and oxazoles) Six-membered heterocycles, including pyridines, quinolines, andisoquinolines Featuring contributions from the leading authorities inheterocyclic chemistry. Each section includes a description of thegiven reaction, as well as the relevant historical perspective,mechanism, variations and improvements, synthetic utilities,experimental details, and references to the current primaryliterature. The reactions covered in Name Reactions in HeterocyclicChemistry have been widely adopted in all areas of organicsynthesis, from the medicinal/pharmaceutical field, to agriculture,to fine chemicals, and the book brings the most cutting-edgeknowledge to practicing synthetic chemists and students, along withthe tools needed to synthesize new and useful molecules.

Comprehensive Natural Products III
Author : N.A
Publisher : Elsevier
Release Date : 2020-07-22
ISBN 10 : 0081026919
Pages : 4238 pages

Comprehensive Natural Products III, Third Edition, updates and complements the previous two editions, including recent advances in cofactor chemistry, structural diversity of natural products and secondary metabolites, enzymes and enzyme mechanisms and new bioinformatics tools. Natural products research is a dynamic discipline at the intersection of chemistry and biology concerned with isolation, identification, structure elucidation, and chemical characteristics of naturally occurring compounds such as pheromones, carbohydrates, nucleic acids and enzymes. This book reviews the accumulated efforts of chemical and biological research to understand living organisms and their distinctive effects on health and medicine and to stimulate new ideas among the established natural products community. Provides readers with an in-depth review of current natural products research and a critical insight into the future direction of the field Bridges the gap in knowledge by covering developments in the field since the second edition published in 2010 Split into 7 sections on key topics to allow students, researchers and professionals to find relevant information quickly and easily Ensures that the knowledge within is easily understood by and applicable to a large audience

Hypervalent Iodine in Organic Synthesis
Author : A. Varvoglis
Publisher : Academic Press
Release Date : 1996-11-14
ISBN 10 : 0080534368
Pages : 223 pages

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. Key Features * 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

Anionic Annulations in Organic Synthesis
Author : Dipakranjan Mal
Publisher : Elsevier
Release Date : 2018-10-25
ISBN 10 : 0128138017
Pages : 464 pages

Anionic Annulations in Organic Synthesis: A Versatile and Prolific Class of Ring-Forming Reactions is a comprehensive review of the best annulations for the construction of cyclic structures and their applications in the total synthesis of functional molecules. The reactions described in the work are particularly useful for the synthesis of polyoxygenated polycyclic compounds, including tetracyclines, angucyclines, uncialamycins, and lignans, among other compounds. Included in detail are the Hauser, Robinson, Sammes and Meyers annulations, all of which can be effectively used to construct substrates with complex molecular structures. This work provides the tools to master anionic organic chemistry, ortho-lithiation, lateral lithaition/metalation and organic selectivity issues, like chemoselectivity, regioselectivity and stereoselectivity. This book is a valuable resource for organic chemists, researchers and students seeking a complete and detailed understanding of anionic annulations. Provides a comprehensive review of anionic cyclization for chemical construction of a variety of cyclic scaffolds involved in many kinds of biologically active natural products and pharmaceutical drugs Serves as a useful tool to academic and industrial researchers working on the synthesis of cyclic compounds as their targets Includes many examples of anionic annulations and practical information on how to use them in research and industry Features anionic annulations that are particularly useful for the synthesis of polyoxygenated polycyclic compounds, including tetracyclines, angucyclines, uncialamycins and lignans

Principles of Organic Chemistry
Author : Robert J. Ouellette,J. David Rawn
Publisher : Academic Press
Release Date : 2015-02-13
ISBN 10 : 0128026340
Pages : 496 pages

Class-tested and thoughtfully designed for student engagement, Principles of Organic Chemistry provides the tools and foundations needed by students in a short course or one-semester class on the subject. This book does not dilute the material or rely on rote memorization. Rather, it focuses on the underlying principles in order to make accessible the science that underpins so much of our day-to-day lives, as well as present further study and practice in medical and scientific fields. This book provides context and structure for learning the fundamental principles of organic chemistry, enabling the reader to proceed from simple to complex examples in a systematic and logical way. Utilizing clear and consistently colored figures, Principles of Organic Chemistry begins by exploring the step-by-step processes (or mechanisms) by which reactions occur to create molecular structures. It then describes some of the many ways these reactions make new compounds, examined by functional groups and corresponding common reaction mechanisms. Throughout, this book includes biochemical and pharmaceutical examples with varying degrees of difficulty, with worked answers and without, as well as advanced topics in later chapters for optional coverage. Incorporates valuable and engaging applications of the content to biological and industrial uses Includes a wealth of useful figures and problems to support reader comprehension and study Provides a high quality chapter on stereochemistry as well as advanced topics such as synthetic polymers and spectroscopy for class customization

Tellurium in Organic Synthesis
Author : Nicola Petragnani,Hélio A. Stefani
Publisher : Elsevier
Release Date : 2010-07-07
ISBN 10 : 9780080474922
Pages : 398 pages

The increasing number of publications that use tellurium clearly demonstrates the important role of tellurium compounds as unique and powerful tools in a broad range of organic chemical manipulations, often characterized by their selective behavior. Tellurium in Organic Synthesis provides an overview of the principal aspects of organic tellurium chemistry. Many chapters have been enriched and updated in this second edition. New chapters include overviews of toxicology and pharmacology and a review on the preparation and reactivity of several tellurium heterocycles. The first part of the book focuses on the preparation of selected inorganic tellurium compounds and on the main classes of organotellurium compounds. The second part, and main interest of the book, details the use of these inorganic and organic compounds as reagents to perform specific organic manipulations and synthesis. Reactions covered include reduction, formation and reaction of anionic species, deprotection, tellurium cyclizations, formation of alkenes, use of vinyllic tellurides, free radical chemistry, transmetallations, and removal of tellurium. Overview of inorganic and organic tellurium chemistry Synthetic applications of tellurium compounds All topics accompanied by detailed experimental procedures

Author : Shabir Hussain Lone,Mohd Akbar Khuroo
Publisher : Elsevier
Release Date : 2016-04-14
ISBN 10 : 0081011903
Pages : 52 pages

Biflavanoids are an important class of plant metabolites offering a range of activities, good availability and relatively low toxicity. Long thought to hold possible therapeutic potential, the recent surge in interest for natural product drug discovery has further highlighted the possibility of using them in the discovery of new drugs, and Biflavanoids: Chemical and Pharmacological Aspects provides a quick reference to the area in a focused manner, to support and encourage further research. Beginning with a focus on the structural features and occurrence of biflavanoids, Chapter 1 reviews key background information including notes on nomenclature and natural distribution. Chapter 2 then goes on to discuss methods for identification and isolation, with separation and purification using various chromatography methods reviewed, followed by identification via UV spectroscopy, NRM spectroscopy and mass spectrometry. Synthesis is the focus of Chapter 3, with a broad range of synthetic methods outlined, before the book concludes in Chapter 4 by describing the biochemical pharmacology of Biflavanoids and their anticancer, antimicrobial, antiviral, anti-inflammatory and analgesic activity. With its discussion of both the underlying chemistry and biological activity of Biflavanoids, Biflavanoids: Chemical and Pharmacological Aspects is a concise guide to this important class of compounds for all those working in the fields of medicinal chemistry and natural products drug discovery. Focused coverage of techniques for the isolation, identification, and synthesis of Biflavanoids Practical tool for researchers working with these flavonoid compounds Real-world expertise from the authors provides support for further developments in the growing field of natural product drug discovery Useful, clear illustrations of key structures throughout the text

Pincer Compounds
Author : David Morales-Morales
Publisher : Elsevier
Release Date : 2018-04-11
ISBN 10 : 0128129328
Pages : 754 pages

Pincer Compounds: Chemistry and Applications offers valuable state-of-the-art coverage highlighting highly active areas of research—from mechanistic work to synthesis and characterization. The book focuses on small molecule activation chemistry (particularly H2 and hydrogenation), earth abundant metals (such as Fe), actinides, carbene-pincers, chiral catalysis, and alternative solvent usage. The book covers the current state of the field, featuring chapters from renowned contributors, covering four continents and ranging from still-active pioneers to new names emerging as creative strong contributors to this fascinating and promising area. Over a decade since the publication of Morales-Morales and Jensen’s The Chemistry of Pincer Compounds (Elsevier 2007), research in this unique area has flourished, finding a plethora of applications in almost every single branch of chemistry—from their traditional application as very robust and active catalysts all the way to potential biological and pharmaceutical applications. Describes the chemistry and applications of this important class of organometallic and coordination compounds Includes contributions from global leaders in the field, featuring pioneers in the area as well as emerging experts conducting exciting research on pincer complexes Highlights areas of promising and active research, including small molecule activation, earth abundant metals, and actinide chemistry

Recent Advances in Natural Products Analysis
Author : Seyed Mohammad Nabavi,Mina Saeedi,Seyed Fazel Nabavi,Ana Sanches Silva
Publisher : Elsevier
Release Date : 2020-03-07
ISBN 10 : 0128175192
Pages : 878 pages

Recent Advances in Natural Products Analysis is a thorough guide to the latest analytical methods used for identifying and studying bioactive phytochemicals and other natural products. Chemical compounds, such as flavonoids, alkaloids, carotenoids and saponins are examined, highlighting the many techniques for studying their properties. Each chapter is devoted to a compound category, beginning with the underlying chemical properties of the main components followed by techniques of extraction, purification and fractionation, and then techniques of identification and quantification. Biological activities, possible interactions, levels found in plants, the effects of processing, and current and potential industrial applications are also included. Focuses on the latest analytical techniques used for studying phytochemical and other biological compounds Authored and edited by the top worldwide experts in their field Discusses the current and potential applications and predicts future trends of each compound group

Handbook of Heterocyclic Chemistry
Author : Alan R. Katritzky
Publisher : Elsevier
Release Date : 2017-01-31
ISBN 10 : 1483293424
Pages : 568 pages

Provides a one-volume overall picture of the largest of the classical divisions of organic chemistry, suitable for the graduate or advanced undergraduate student, as well as for research workers, both specialists in the field and those engaged in another discipline and requiring knowledge of heterocyclic chemistry. It represents Volume 9 of Comprehensive Heterocyclic Chemistry and utilizes the general chapters which appear in the 8-volume work. The highly systematic coverage given to the subject makes this the most authoritative one-volume account of modern heterocyclic chemistry available.