Selenium Reagents Intermediates In Organic Synthesis
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| Author | : C. Paulmier |
| Publisher | : Elsevier |
| Total Pages | : 478 |
| Release | : 2013-10-22 |
| Genre | : Science |
| ISBN | : 1483286401 |
The explosive growth of organoselenium chemistry over the past 12 years can be attributed to the specific properties of organic selenium molecules, which fit the requirements of modern organic synthesis. Most of them are well adapted to chemo-, regio- and stereo-selectivities. In addition, they can be used in mild experimental conditions which are compatible with the stability of both substrates and products in the preparation of unsaturated and functional complex molecules, especially in the field of natural products. This book describes and illustrates different synthetic routes to organic structures using selenium reagents or intermediates. The approach emphasizes that such transformations are simple, efficient and often carried out at room temperature. The scope ranges from the preparation of both inorganic and organic selenium reagents, through descriptions of structure, toxicity, biological aspects and nuclear magnetic resonance, to applications of specific selenium compounds in various syntheses including natural products and biologically active compounds.
| Author | : Claude Paulmier |
| Publisher | : Pergamon |
| Total Pages | : 463 |
| Release | : 1986 |
| Genre | : Science |
| ISBN | : 9780080324852 |
The explosive growth of organoselenium chemistry over the past 12 years can be attributed to the specific properties of organic selenium molecules, which fit the requirements of modern organic synthesis. Most of them are well adapted to chemo-, regio- and stereo-selectivities. In addition, they can be used in mild experimental conditions which are compatible with the stability of both substrates and products in the preparation of unsaturated and functional complex molecules, especially in the field of natural products. This book describes and illustrates different synthetic routes to organic structures using selenium reagents or intermediates. The approach emphasizes that such transformations are simple, efficient and often carried out at room temperature. The scope ranges from the preparation of both inorganic and organic selenium reagents, through descriptions of structure, toxicity, biological aspects and nuclear magnetic resonance, to applications of specific selenium compounds in various syntheses including natural products and biologically active compounds.
| Author | : V. K. Ahluwalia |
| Publisher | : I. K. International Pvt Ltd |
| Total Pages | : 372 |
| Release | : 2013-12-30 |
| Genre | : Chemistry, Organic |
| ISBN | : 8188237337 |
The intermediates described in this book include different types of phenols, aldehydes, carboxylic acids and ketones (acetophenones, w-substituted acetophenones, propiophenones, butyrophenones, benzophenones, phenyl ketones and some miscellaneous ketones). The preparation of heterocyclic compounds (O-containing, S-containing, N-containing, N & S-containing) is also described. The synthesis of certain miscellaneous compounds of the type benzyl cyanides, b-ketoesters, chalcones, naphthaquinones, benzoquinones, stilbene and certain catalysts and reagents required for organic synthesis are also described. The present book aims to make available detailed procedures for the synthesis of various intermediates, which are generally required by organic chemists working in various universities, industries and by the research scholars at different levels. No single publication is available describing the intermediates required for organic synthesis. Attempt has been made to describe the best possible procedures with ample experimental details keeping in mind the maximum yield. The authors and their associates have verified all the procedures described.
| Author | : Risto Laitinen |
| Publisher | : Walter de Gruyter GmbH & Co KG |
| Total Pages | : 614 |
| Release | : 2019-04-01 |
| Genre | : Science |
| ISBN | : 311052810X |
Selenium and Tellurium Reagents provides an in-depth overview of recent advances on the chemistry of these elements. Written by internationally recognized experts, it gives insight into the synthesis, structure, analysis and mechanistic studies of these compounds. The book is organized into four parts which reflect the applications of Se and Te reagents in four areas: inorganic chemistry, organic chemistry, materials science and biochemistry.
| Author | : Sohail Anjum Shahzad |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 208 |
| Release | : 2012-10-11 |
| Genre | : Science |
| ISBN | : 3642331734 |
In his thesis, Sohail Shahzad carefully investigates carbon nucleophiles in selenocyclisations, as well as reaction protocols for performing such reactions catalytically. After a comprehensive introduction to the element selenium, the author goes on to report the synthesis of several substrates for carbocyclisation reactions and the use of selenium reagents for the preparation of dihydronaphthalenes. Further chapters detail electrophilic selenium-mediated reactions, and novel strategies using selenium catalysts together with stoichiometric amounts of hypervalent iodine reagents as oxidants to convert stilbene carbosylic acids into the corresponding isocoumarins. This thesis outlines some excellent new synthetic routes which will be useful tools for synthetic organic chemistry in the future.
| Author | : P. J. Murray |
| Publisher | : |
| Total Pages | : |
| Release | : 1983 |
| Genre | : |
| ISBN | : |
| Author | : K. M. Reeve |
| Publisher | : |
| Total Pages | : |
| Release | : 1985 |
| Genre | : |
| ISBN | : |
| Author | : Thomas Wirth |
| Publisher | : John Wiley & Sons |
| Total Pages | : 441 |
| Release | : 2012-01-09 |
| Genre | : Science |
| ISBN | : 3527641955 |
Selenium-based methods in synthetic chemistry have developed rapidly over the past years and are now offering highly useful tools for organic synthesis. Filling the gap for a comprehensive handbook and ready reference, this book covers all modern developments within the field, including biochemical aspects. The chemistry chapters are organized according to the different reactivities of various selenium compounds and reagents, with each chapter dealing with a special reaction type. Also includes a table with 77Se NMR shifts to aid in practical problems. From the Contents: * Electrophilic and Nucleophilic Selenium * Selenium Compounds in Radical Reactions * Selenium-Stabilized Carbanions * Selenium Compounds with Valency Higher than Two * Selenocarbonyls * Selenoxide Elimination and [2,3]-Sigmatropic Rearrangement * Selenium Compounds as Ligands and Catalysts * Biological and Biochemical Aspects of Selenium Compounds
| Author | : Alain Krief |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 232 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 3642732410 |
During the last fifteen years organoselenium chemistry underwent a spectacular mutation: from an exotic area of science practised by a few specialists it became a relatively well mastered and widely used methodology of synthetic organic chemistry. The key to this success is that a fair number of selenium based reagents and reactions have been discovered, which are able to perform specific transformations selectively and often under very mild conditions. The aim of this volume is to present the different selenium containing reagents now available to chemists, to mention the scope as well as the limitations of their reactions, and to compare those which possess similar reactivities. The authors present the reagents in the order of increasing oxidation level around the selenium atom.
| Author | : J. Drabowicz |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 265 |
| Release | : 2000-02-25 |
| Genre | : Medical |
| ISBN | : 3540665161 |
Embarking on a new millennium, the book in hands describes the recent developments of organsoselenium chemistry in all facets. Various distinguished scientists have contributed, with their skill and expertise, making this book a valuable source for synthetic oriented organic chemists and for those, who want to get a first insight into the chemistry of selenium.
