Download or read book Modern Photocatalytic Strategies in Natural Product Synthesis written by A. Douglas Kinghorn and published by Springer Nature. This book was released on 2023-01-01 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents recent reports of total syntheses involving a photocatalytic reaction as a key step in the methodology. Modern photocatalysis has proven its generality for the development and functionalization of native functionalities. To date, the field has found broad applications in diverse research areas, including the total synthesis of natural products. Among the selected examples presented in this book, it highlights how the photocatalytic process proceeds in a highly chemo-, regio-, and stereoselective manner, thereby allowing the rapid access to structurally complex architectures under light-driven conditions.
Download or read book Modern Natural Product Synthesis written by Masahisa Nakada and published by Springer Nature. This book was released on with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Modern Sustainable Techniques In Total Synthesis Of Bioactive Natural Products written by Sasadhar Majhi and published by World Scientific. This book was released on 2023-04-25 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Sustainable Techniques in Total Synthesis of Bioactive Natural Products comprises five parts for green tools, such as ultrasonic waves, microwave heating, visible-light photochemistry, organic electrochemistry, and flow chemistry, along with 72 chapters for each bioactive molecule of natural origin. Each chapter explores the natural source, structure, systematic name, structural features, compound class, biological activity, conventional approaches for their chemical synthesis, and demerit(s) of conventional approaches (where applicable). Finally, critical features of total synthesis using modern sustainable techniques, including reaction types, synthetic strategy, and synthetic route utilizing modern sustainable tools for each bioactive natural product and secondary metabolites, are discussed brilliantly. The spectrum of application of total synthesis of bioactive natural products using modern sustainable techniques may promote the development of more eco-friendly synthetic processes so that the next generations can live on this planet with a minimum energy requirement for chemical reactions with the least pollution.
Download or read book Modern Strategies for Heterocycle Synthesis written by Gianfranco Favi and published by MDPI. This book was released on 2021-03-17 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Efficiency in Natural Product Total Synthesis written by Pei-Qiang Huang and published by John Wiley & Sons. This book was released on 2018-07-20 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uniting the key organic topics of total synthesis and efficient synthetic methodologies, this book clearly overviews synthetic strategies and tactics applied in total synthesis, demonstrating how the total synthesis of natural products enables scientific and drug discovery. • Focuses on efficiency, a fundamental and important issue in natural products synthesis that makes natural product synthesis a powerful tool in biological and pharmaceutical science • Describes new methods like organocatalysis, multicomponent and cascade reactions, and biomimetic synthesis • Appeals to graduate students with two sections at the end of each chapter illustrating key reactions, strategies, tactics, and concepts; and good but unfinished total synthesis (synthesis of core structure) before the last section • Compiles examples of solid phase synthesis and continuing flow chemistry-based total synthesis which are very relevant and attractive to industry R&D professionals
Download or read book Photocatalysts in Advanced Oxidation Processes for Wastewater Treatment written by Elvis Fosso-Kankeu and published by John Wiley & Sons. This book was released on 2020-05-19 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photocatalysts in Advanced Oxidation Processes for Wastewater Treatment comprehensively covers a range of topics aiming to promote the implementation of photocatalysis at large scale through provision of facile and green methods for catalysts synthesis and elucidation of pollutants degradation mechanisms. This book is divided into two main parts namely “Synthesis of effective photocatalysts” (Part I) and “Mechanisms of the photocatalytic degradation of various pollutants” (Part II). The first part focuses on the exploration of various strategies to synthesize sustainable and effective photocatalysts. The second part of the book provides an insights into the photocatalytic degradation mechanisms and pathways under ultraviolet and visible light irradiation, as well as the challenges faced by this technology and its future prospects.
Download or read book Natural Product Synthesis Via Aromatic Annulation Strategies written by Don Dongwuk Cha and published by . This book was released on 1990 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Visible Light Photocatalysis in Organic Chemistry written by Corey R.J. Stephenson and published by John Wiley & Sons. This book was released on 2018-05-29 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filling the need for a ready reference that reflects the vast developments in this field, this book presents everything from fundamentals, applications, various reaction types, and technical applications. Edited by rising stars in the scientific community, the text focuses solely on visible light photocatalysis in the context of organic chemistry. This primarily entails photoinduced electron transfer and energy transfer chemistry sensitized by polypyridyl complexes, yet also includes the use of organic dyes and heterogeneous catalysts. A valuable resource to the synthetic organic community, polymer and medicinal chemists, as well as industry professionals.
Download or read book Photochemical Processes In Continuous flow Reactors From Engineering Principles To Chemical Applications written by Timothy Noel and published by World Scientific. This book was released on 2017-02-27 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Continuous-flow photochemistry is an expanding field within chemistry. It unites the mass transfer enhancement of flow chemistry with the high energy field density of microscale geometries. Moreover, it provides means to scale photochemical reactions efficiently.This book gives an overview of both technological and chemical aspects associated with photochemical processes in microreactors. It provides analysis, the first of its kind, of these new technologies developed within the field of photochemical processes, with a description and case studies of practical implementation. It specifically looks at:By providing a deeper understanding of underlying concepts, coupled with numerous examples, this book is an essential reference for chemistry students, researchers and professionals working on photochemistry, photoredox catalysis, flow chemistry, process chemistry and reactor engineering.
Download or read book Carbonylation written by H.M. Colquhoun and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the publication of our earlier book on transition metal mediated organic synthesis, * there has been a widespread increase of interest in this topic, and transition metal based methodology has become firmly established in many areas of organic chemistry. The direct, catalytic formation of organic carbonyl compounds using carbon monoxide as the source of the carbonyl group has seen exceptional progress, and this carbonylation chemistry is being used increasingly in research and on a larger scale for fine chemicals production. In view of these developments, there is a need for a modem, practi cally oriented book dealing with transition metal based carbonylation chemistry. The present monograph should help fulfill this need, since it is intended specifically to foster the adoption of catalytic carbonylation as a general tool in synthetic organic chemistry. It deals exclusively with reactions involving the interconversion of carbon monoxide and organic carbonyl compounds, and although the majority of the reactions discussed involve catalytic formation of carbonyl compounds, potentially valuable syntheses requiring stoichiometric quantities of transition metal are also included. In addition, a chapter is devoted to the remarkably useful reverse transformation (decarbonylation), in which an organic carbonyl group is eliminated in the form of carbon monoxide.
Download or read book Studies Toward the Total Synthesis of Biselides Radical Fluorination of Aliphatic Compounds written by Hope Fan and published by . This book was released on 2014 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern pharmaceuticals originate predominately either from natural products or totally synthetic compounds. The rich variety of marine life found in the Earth's oceans have especially allowed our access to increasingly more and intriguing biologically active marine natural products, such as haterumalides and biselides. The lack of materialistic return associated with natural product isolation from marine organisms has prompted the need for practical laboratory synthesis. The same demand holds true for synthetic drugs, as more novel synthetic methods are required to complement the increasingly target- and diversity-oriented approach to synthetic drug discovery. Biselides, isolated from the Okinawan ascidian Didemnidae sp., are marine macrolides which have demonstrated potent cytotoxicity towards a variety of human cancer cell lines while being non-toxic towards brine shrimp. They contain a 2,5-disubstituted-3-oxygenated tetrahydrofuran functionality and a (Z,Z)-1,4-diene as part of a 14-membered macrocyclic molecular skeleton. A proposed total synthesis of biselide A involves the cyclization of chloropolyols to form the substituted tetrahydrofuran and metathesis for construction of the (Z,Z)-1,4-diene. Specifically, direct ring-closing metathesis (RCM), relay ring-closing metathesis (RRCM), and cross metathesis (CM) strategies were examined, with only the CM strategy allowing us to construct the 1,4-diene with desired geometry. The second part of this thesis describes the development of a novel methodology for the direct conversion of C(sp3)-H bonds to C(sp3)-F bonds. This radical-based, photocatalytic process yielded monofluorinated products from various small molecule aliphatic substrates, and has showed further potential with other chemical systems. Improvement and expansion of this methodology could hold positive future implications with regards to fluoropharmaceuticals.
Download or read book Total Synthesis of Natural Products written by Jie Jack Li and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'Total Synthesis of Natural Products' is written and edited by some of today's leaders in organic chemistry. Eleven chapters cover a range of natural products, from steroids to alkaloids. Each chapter contains an introduction to the natural product in question, descriptions of its biological and pharmacological properties and outlines of total synthesis procedures already carried out. Particular emphasis is placed on novel methodologies developed by the respective authors and their research groups. This text is ideal for graduate and advanced undergraduate students, as well as organic chemists in academia and industry.
Download or read book Research Methodology in Chemical Sciences written by Tanmoy Chakraborty and published by CRC Press. This book was released on 2017-03-03 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent Methodology in Chemical Sciences provides an eclectic survey of contemporary problems in experimental, theoretical, and applied chemistry. This book covers recent trends in research with the different domain of the chemical sciences. The chapters, written by knowledgeable researchers, provide different insights to the modern-day research in the domain of spectroscopy, plasma modification, and theoretical and computational analysis of chemical problems. It covers descriptions of experimental techniques, discussions on theoretical modeling, and much more.
Download or read book Photocatalytic Semiconductors written by Aracely Hernández-Ramírez and published by Springer. This book was released on 2014-11-17 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: This critical volume examines the different methods used for the synthesis of a great number of photocatalysts, including TiO2, ZnO and other modified semiconductors, as well as characterization techniques used for determining the optical, structural and morphological properties of the semiconducting materials. Additionally, the authors discuss photoelectrochemical methods for determining the light activity of the photocatalytic semiconductors by means of measurement of properties such as band gap energy, flat band potential and kinetics of hole and electron transfer. Photocatalytic Semiconductors: Synthesis, Characterization and Environmental Applications provide an overview of the semiconductor materials from first- to third-generation photocatalysts and their applications in wastewater treatment and water disinfection. The book further presents economic and toxicological aspects in the production and application of photocatalytic materials.
Download or read book Green Photocatalytic Semiconductors written by Seema Garg and published by Springer Nature. This book was released on 2021-09-20 with total page 855 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises a detailed overview on the role of photocatalysts for environmental remediation, hydrogen production and carbon dioxide reduction. Effective ways to enhance the photocatalytic activity of the material via doping, hybrid material, laser light and nanocomposites have been discussed in this book. The book also further elaborates the role of metal nanoparticles, rare earth doping, sensitizers, surface oxygen vacancy, interface engineering and band gap engineering for enhancing the photocatalytic activity. An approach to recover the photocatalytic material via immobilization is also presented. This book brings to light much of the recent research in the development of such semiconductor photocatalytic systems. The book will thus be of relevance to researchers in the field of: material science, environmental science & technology, photocatalytic applications, newer methods of energy generation & conversion and industrial applications.
Download or read book Photocatalysis written by Dionysios D Dionysiou and published by Royal Society of Chemistry. This book was released on 2016-03-30 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: From environmental remediation to alternative fuels, this book explores the numerous important applications of photocatalysis. The book covers topics such as the photocatalytic processes in the treatment of water and air; the fundamentals of solar photocatalysis; the challenges involved in developing self-cleaning photocatalytic materials; photocatalytic hydrogen generation; photocatalysts in the synthesis of chemicals; and photocatalysis in food packaging and biomedical and medical applications. The book also critically discusses concepts for the future of photocatalysis, providing a fascinating insight for researchers. Together with Photocatalysis: Fundamentals and Perspectives, these volumes provide a complete overview to photocatalysis.
Download or read book Sustainable Ammonia Production written by Inamuddin and published by Springer Nature. This book was released on 2020-01-09 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents sustainable synthetic pathways and modern applications of ammonia. It focuses on the production of ammonia using various catalytic systems and its use in fuel cells, membrane, agriculture, and renewable energy sectors. The book highlights the history, investigation, and development of sustainable pathways for ammonia production, current challenges, and state-of-the-art reviews. While discussing industrial applications, it fills the gap between laboratory research and viable applications in large-scale production.
