Chiral Auxiliaries And Chirogenesis
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Chiral Auxiliaries And Chirogenesis
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Author : Victor Borovkov
language : en
Publisher: Mdpi AG
Release Date : 2021-06-29
Chiral Auxiliaries And Chirogenesis written by Victor Borovkov and has been published by Mdpi AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-29 with Science categories.
This Reprint Book highlights and overviews the most important and novel aspects of chiral auxiliary and chirogenesis in different natural/physical sciences and in modern technologies. In particular, some newly emerging classes of molecules used for these purposes are described. This book consists of four review articles and one research paper and is of interest for general chemistry readership, including graduate and postgraduate students, and for researchers specializing in the fields of chirality and stereochemistry
Chiral Auxiliaries And Chirogenesis Ii
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Author : Victor Borovkov
language : en
Publisher:
Release Date : 2021-06-29
Chiral Auxiliaries And Chirogenesis Ii written by Victor Borovkov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-29 with categories.
This Reprint Book highlights and overviews the most important and novel aspects of chiral auxiliary and chirogenesis in different natural/physical sciences and in modern technologies. In particular, some newly emerging classes of molecules used for these purposes have been described. Furthermore, some important experimental and theoretical issues associated with the chirality field have been addressed. This book consists of one review article and six research papers and is of interest for general chemistry readership, including graduate and post-graduate students, and for researchers specializing in the fields of chirality and stereochemistry
Chirogenesis In Chemical Science
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Author : Victor Borovkov
language : en
Publisher: World Scientific
Release Date : 2022-12-28
Chirogenesis In Chemical Science written by Victor Borovkov and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-12-28 with Science categories.
Chirogenesis in Chemical Science is an exciting new book that takes readers inside the world of chirality and chirogenesis, guided by Victor Borovkov and Riina Aav, both internationally renowned experts on chirality. Chirality is a fundamental property of the universe and has significance in different organic/inorganic materials, living organisms, and human beings. The basic principle of chirality is existence of an object in two mirror image forms, which are not superimposable. This phenomenon is widely seen in various fields of knowledge including mathematics, astronomy, physics, chemistry, biology and ranging in scale from galaxies to nuclear particles.In chemical science, chirality is generally associated with a single molecule or group of molecules, which symmetry properties belonging to the Cn or Dn point groups with the simplest example of sp3 carbon atom bonded to four different substituents. The dynamic processes of chirality generation, modulation, transfer, amplification, etc. are termed chirogenesis.This is a fast-growing and interdisciplinary field of research, which is widely seen in many natural systems (such as DNA double helix, the secondary alpha-helix structure of proteins, lipid membranes, saccharides, heme proteins, and other biological molecular objects) and various artificial systems. It is of prime importance not only for fundamental science but also for a number of practical applications in such areas as pharmacology and agrochemistry, perfumery and food industry, materials and polymer sciences, enantioselective catalysis and nonlinear optics, nanoscience and nanotechnology, molecular devices and chemical sensors, and others. Therefore, understanding the mechanisms and various influencing factors is of particular significance for smart control and further effective application of chirogenesis in chemistry.
Supramolecular Chirogenesis In Chemical And Related Sciences
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Author : Victor Borovkov
language : en
Publisher: Frontiers Media SA
Release Date : 2021-06-01
Supramolecular Chirogenesis In Chemical And Related Sciences written by Victor Borovkov and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-01 with Science categories.
Key Chiral Auxiliary Applications
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Author : Gregory Roos
language : en
Publisher: Academic Press
Release Date : 2014-01-20
Key Chiral Auxiliary Applications written by Gregory Roos and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-20 with Science categories.
Key Chiral Auxiliary Applications, Second Edition is a detailed compilation of chiral auxiliary applications organized by type of transformation. Continuing from the most important and relevant auxiliaries described in its predecessor, the three-volume set Compendium of Chiral Auxiliary Applications (2001), as well as advances in the field, the book provides a vital and timely resource for chemists in the field. Each reaction class includes a series of tables and graphical abstracts of real reactions from the literature and patents to enable easy review and comparison of results. This anticipated edition is based on a screening of nearly 40,000 auxiliary reaction applications, with details supplied for the more than 13,000 selected representative entries: synthetic route, reagents, yields, diastereomeric/enantiomeric excesses, and characterization data. Updated and streamlined with more than 60% new material, Key Chiral Auxiliary Applications provides valuable guidance and reliable content for selecting the best auxiliary for a specific asymmetric synthetic transformation. Provides a comprehensive compilation based on nearly 40,000 diverse applications of chiral auxiliaries for selecting the best synthetic route to optically pure compounds Contains over 60% new material with 13,000+ auxiliary applications categorized by reaction type, with reaction details and chemical and optical yields in one unique resource
Fundamentals Of Supramolecular Chirality
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Author : Roberto Purrello
language : en
Publisher: World Scientific
Release Date : 2021-10-18
Fundamentals Of Supramolecular Chirality written by Roberto Purrello and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-10-18 with Science categories.
Fundamentals of Supramolecular Chirality is a critical description of the start and advancement of supramolecular chirality. This book focuses on the noncovalent approach with some supplementary examples of covalent supramolecular chirality.This contribution to supramolecular chirality is not intended to be a mere catalogue and description of the work done. It also traces a philosophical path following the development and possible perspectives of this topic, providing not a review but a critical examination of the field.
Compendium Of Chiral Auxiliary Applications Three Volume Set
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Author : Gregory Roos
language : en
Publisher: Academic Press
Release Date : 2002-01-04
Compendium Of Chiral Auxiliary Applications Three Volume Set written by Gregory Roos and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-01-04 with Science categories.
The Compendium is a detailed compilation of chiral auxiliaries which are used in the field of organic chemistry to direct "asymmetric synthesis". A molecule is called chiral because it can have two "enantiomers" -- like left and right-handed molecules. An enantiomer is either of two molecules of the same chemical composition that are mirror images of each other but not identical. A "chiral auxiliary" is an aid / auxiliary used to specifically produce either the left or right enantiomer of the chosen molecule, as desired. In this comprehesive reference source, industrial chemists can make informed selections of an auxiliary for a specific application. It is fully cross-referenced to enable the comparative selection of auxiliaries. The work includes over 13,000 auxiliary reaction applications with complete reaction details of the synthetic routes, reagents, and primary literature references. Key Features * This remarkable major reference work is the first such compilation and represents the only total source for the diverse applications of auxiliaries * Thoroughly cross-referenced to enable comparative
Compendium Of Chiral Auxiliary Applications
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Author : Gregory Roos
language : en
Publisher:
Release Date : 2002
Compendium Of Chiral Auxiliary Applications written by Gregory Roos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Asymmetric synthesis categories.
Chirality From Dynamic Kinetic Resolution
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Author : Helene Pellissier
language : en
Publisher: Royal Society of Chemistry
Release Date : 2011-04-04
Chirality From Dynamic Kinetic Resolution written by Helene Pellissier and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-04 with Science categories.
The last 15 years have witnessed significant developments in the efficiency and scope of the application of DKR. These now offer a serious alternative to conventional methods for asymmetric synthesis. Indeed, impressive examples using new enzymes and major progress in the DKR of racemates have taken place over the past few years. The powerful combination of enzymes and metals has also been the subject of spectacular development. In addition, a new type of DKR, involving organocatalysts, has recently appeared. Although asymmetric catalysis has undergone development during the last two decades, the most common industrial process used to obtain enantiomerically pure compounds is still via resolution of racemic mixtures. This is despite the major disadvantage that only a maximum of 50% product yield can be obtained. It is not surprising that DKR, which solves the problem of the limitation in yield, has attracted an increasing amount of interest from both the industrial and the academic perspective. This book provides an up-date on the principle methods employed to obtain dynamic kinetic resolution (DKR) by either enzymatic or non-enzymatic methods. It also illustrates the diversity of useful chiral products that can be obtained through this powerful concept. Divided into three sections, the book deals successively with non-enzymatic methods, enzymatic methods, and the use of transition metals and enzymes in tandem.
Chirality In Supramolecular Assemblies
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Author : F. Richard Keene
language : en
Publisher: John Wiley & Sons
Release Date : 2016-11-14
Chirality In Supramolecular Assemblies written by F. Richard Keene and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-14 with Science categories.
Supramolecular chemistry deals with the organisation of molecules into defined assemblies using non-covalent interactions, including weaker and reversible interactions such as hydrogen bonds, and metal-ligand interactions. The aspect of stereochemistry within such chemical architectures, and in particular chirality, is of special interest as it impacts on considerations of molecular recognition, the development of functional materials, the vexed question of homochirality, nanoscale effects of interactions at interfaces, biocatalysis and enzymatic catalysis, and applications in organic synthesis. Chirality in Supramolecular Assemblies addresses many of these aspects, presenting a broad overview of this important and rapidly developing interdisciplinary field. Topics covered include: Origins of molecular and topological chirality Homochirogenesis Chirality in crystallinity Host-guest behavior Chiral influences in functional materials Chirality in network solids and coordination solids Aspects of chirality at interfaces Chirality in organic assemblies Chirality related to biocatalysis and enzymes in organic synthesis. This book is a valuable reference for researchers in the molecular sciences, materials science and biological science working with chiral supramolecular systems. It provides summaries and special insights by acknowledged international experts in the various fields.