Advances In Asymmetric Autocatalysis And Related Topics

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Advances in Asymmetric Autocatalysis and Related Topics

Gyula Palyi,Robert Kurdi,Claudia Zucchi
Advances in Asymmetric Autocatalysis and Related Topics Book PDF

Author : Gyula Palyi,Robert Kurdi,Claudia Zucchi
Publisher : Academic Press
Page : 408 pages
File Size : 45,7 Mb
Release : 2017-05-18
Category : Science
ISBN : 9780128128251

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Advances in Asymmetric Autocatalysis and Related Topics by Gyula Palyi,Robert Kurdi,Claudia Zucchi Pdf

Advances in Asymmetric Autocatalysis and Related Topics provides various viewpoints on the important developments in asymmetric autocatalysis that have occurred in the past few years, also including brand new information in the field. Asymmetric autocatalysis is a chemical reaction which leads from achiral starting materials to chiral products, and in which the product accelerates its own formation reaction (conventional catalysis) and promotes the prevalence of its own chiral configuration (asymmetric induction). The combination of these two effects in the same reaction was unprecedented before 1995 when it was first described by Kenso SOAI at the Tokyo University of Science. Since then, several new combinations of this effect have been found, most intriguingly the possibility of absolute asymmetric synthesis, which is the spontaneous formation of the excess of one of the enantiomers of the product, a dream of organic chemists for more than a century. The book contains expert-contributed chapters that describe the most exciting recent developments in the field of the Soai reaction and in related topics, ranging from mechanistic studies and theoretical research, to very practical problems in chiral syntheses and products. Features contributions from global experts, including several chapters from Kenso Soai and expert colleagues Focuses on recent developments in the field of asymmetric autocatalysis and newly reported findings Explores the Soai reaction, new developments, and the light it sheds on homochirality in certain biomolecules

Asymmetric Autocatalysis

Kenso Soai,Tsuneomi Kawasaki,Arimasa Matsumoto
Asymmetric Autocatalysis Book PDF

Author : Kenso Soai,Tsuneomi Kawasaki,Arimasa Matsumoto
Publisher : Royal Society of Chemistry
Page : 369 pages
File Size : 43,8 Mb
Release : 2022-10-28
Category : Science
ISBN : 9781839166280

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Asymmetric Autocatalysis by Kenso Soai,Tsuneomi Kawasaki,Arimasa Matsumoto Pdf

Asymmetric autocatalysis is a reaction in which chiral compound acts as a chiral catalyst for its own production. The process is a catalytic automultiplication of the chiral compound leading to an end product with a high enantiomeric excess. It has advantages over non-autocatalytic reactions because the amount of catalyst increases and no loss or deterioration of the catalyst is observed. Additionally, because the catalyst and product have the same structure, the separation of product from the catalyst is not necessary. Asymmetric Autocatalysis provides a comprehensive introduction to the topic of autocatalysis and an in-depth review of the current state of the research. Edited by a team including Professor Kenso Soai, who first described these types of reaction, and written by experts from around the world this book is a great resource for anyone with an interest in organic synthesis, catalysis and chirality.

Handbook of Astrobiology

Vera M. Kolb
Handbook of Astrobiology Book PDF

Author : Vera M. Kolb
Publisher : CRC Press
Page : 866 pages
File Size : 46,6 Mb
Release : 2018-12-07
Category : Science
ISBN : 9781351661119

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Handbook of Astrobiology by Vera M. Kolb Pdf

Choice Recommended Title, August 2019 Read an exclusive interview with Professor Vera Kolb here. Astrobiology is the study of the origin, evolution, distribution, and future of life on Earth. This exciting and significant field of research also investigates the potential existence and search for extra-terrestrial life in the Solar System and beyond. This is the first handbook in this burgeoning and interdisciplinary field. Edited by Vera Kolb, a highly respected astrobiologist, this comprehensive resource captures the history and current state of the field. Rich in information and easy to use, it assumes basic knowledge and provides answers to questions from practitioners and specialists in the field, as well as providing key references for further study. Features: Fills an important gap in the market, providing a comprehensive overview of the field Edited by an authority in the subject, with chapters written by experts in the many diverse areas that comprise astrobiology Contains in-depth and broad coverage of an exciting field that will only grow in importance in the decades ahead

Catalysis in Asymmetric Synthesis

Vittorio Caprio,Jonathan M. J. Williams
Catalysis in Asymmetric Synthesis Book PDF

Author : Vittorio Caprio,Jonathan M. J. Williams
Publisher : John Wiley & Sons
Page : 409 pages
File Size : 51,7 Mb
Release : 2009-03-09
Category : Science
ISBN : 9781405190916

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Catalysis in Asymmetric Synthesis by Vittorio Caprio,Jonathan M. J. Williams Pdf

Asymmetric synthesis has become a major aspect of modern organic chemistry. The stereochemical properties of an organic compound are often essential to its bioactivity, and the need for stereochemically pure pharmaceutical products is a key example of the importance of stereochemical control in organic synthesis. However, achieving high levels of stereoselectivity in the synthesis of complex natural products represents a considerable intellectual and practical challenge for chemists. Written from a synthetic organic chemistry perspective, this text provides a practical overview of the field, illustrating a wide range of transformations that can be achieved. The book captures the latest advances in asymmetric catalysis with emphasis placed on non-enzymatic methods. Topics covered include: Reduction of alkenes, ketones and imines Nucleophilic addition to carbonyl compounds Catalytic carbon-carbon bond forming reactions Catalytic reactions involving metal carbenoids Conjugate addition reactions Catalysis in Asymmetric Synthesis bridges the gap between undergraduate and advanced level textbooks and provides a convenient point of entry to the primary literature for the experienced synthetic organic chemist.

Guidebook for Systems Applications in Astrobiology

Vera M. Kolb
Guidebook for Systems Applications in Astrobiology Book PDF

Author : Vera M. Kolb
Publisher : CRC Press
Page : 349 pages
File Size : 48,8 Mb
Release : 2023-12-20
Category : Science
ISBN : 9781003823667

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Guidebook for Systems Applications in Astrobiology by Vera M. Kolb Pdf

This book addresses the timely subject of systems applications in astrobiology. It demonstrates how astrobiology – a multidisciplinary, interdisciplinary, and transdisciplinary field of science – can benefit from adopting the systems approach. Astrobiology draws upon its founding sciences, such as astronomy, physics, chemistry, biochemistry, geology, and planetary sciences. However, astrobiologists can encounter difficulties working across these fields. The systems approach, we believe, is the best contemporary approach to consider astrobiology holistically. The approach is currently used in other fields, such as engineering, which uses systems analysis routinely. Such an approach needs to be learned, both in principle and through examples, from the field. This book features chapters from experts across the field of astrobiology who have applied the systems approach. It will be a valuable guide for astrobiology students at the advanced undergraduate and graduate levels, in addition to researchers in the field, both in academia and the space industry. Key Features: Offers a unique and novel approach to studying and understanding astrobiology Encourages astrobiologists to apply a holistic systems approach to their work, rather than being bogged down in details Imparts practical knowledge to readers which can be adopted in different research and job opportunities in the field of astrobiology Vera M. Kolb obtained degrees in chemical engineering and organic chemistry from Belgrade University, Serbia, and earned her PhD in organic chemistry from Southern Illinois University, Carbondale, Illinois, United States. Following a 30-year career, she is Professor Emerita of Chemistry at the University of Wisconsin-Parkside, Kenosha, Wisconsin. During her first sabbatical leave with the NASA Specialized Center of Research and Training (NSCORT) in Astrobiology, she conducted research with Dr. Leslie Orgel at the Salk Institute and Prof. Stanley Miller at UC San Diego. Her second sabbatical was with Prof. Joseph Lambert at Northwestern University, where she studied sugar silicates and their potential astrobiological relevance. She is credited for authoring over 160 publications, in the fields of organic and medicinal chemistry, green chemistry, and astrobiology, including several books. Recently, she authored Green Organic Chemistry and Its Interdisciplinary Applications (CRC 2016). In the astrobiology field, she edited Astrobiology: An Evolutionary Approach (CRC 2015) and Handbook of Astrobiology (CRC 2019). She co-authored (with Benton C. Clark) Astrobiology for a General Reader: A Questions and Answers Approach (CSP 2020) and Systems Approach to Astrobiology (CRC 2023).

New Frontiers in Asymmetric Catalysis

Koichi Mikami,Mark Lautens
New Frontiers in Asymmetric Catalysis Book PDF

Author : Koichi Mikami,Mark Lautens
Publisher : John Wiley & Sons
Page : 436 pages
File Size : 49,9 Mb
Release : 2007-05-04
Category : Science
ISBN : 9780471680260

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New Frontiers in Asymmetric Catalysis by Koichi Mikami,Mark Lautens Pdf

A compilation of recent advances and applications in asymmetric catalysis The field of asymmetric catalysis has grown rapidly and plays a key role in drug discovery and pharmaceuticals. New Frontiers in Asymmetric Catalysis gives readers a fundamental understanding of the concepts and applications of asymmetric catalysis reactions and discusses the latest developments and findings. With contributions from preeminent scientists in their respective fields, it covers: * "Rational" ligand design, which is critically dependent on the reaction type (reduction, oxidation, and C-C bond formation) * Recent findings on activation of C-H bonds, C-C bonds, and small molecules (C=O, HCN, RN=C, and CO2) and the latest developments on C-C bond reorganization, such as metathesis * Advances in "chirally economical" non-linear phenomena, racemic catalysis, and autocatalysis * Some of the recent discoveries that have led to a renaissance in the field of organocatalysis, including the development of chiral Brönstead acids and Lewis acidic metals bearing the conjugate base of the Brönstead acids as the ligands and the chiral bi-functional acid/base catalysts The book ends with a thought-provoking perspective on the future of asymmetric catalysis that addresses both the challenges and the unlimited potential in this burgeoning field. This is an authoritative, up-to-date reference for organic chemists in academia, government, and industries, including pharmaceuticals, biotech, fine chemicals, polymers, and agriculture. It is also an excellent textbook for graduate students studying advanced organic chemistry or chemical synthesis.

Advances in Heterocyclic Chemistry

Anonim
Advances in Heterocyclic Chemistry Book PDF

Author : Anonim
Publisher : Academic Press
Page : 437 pages
File Size : 51,7 Mb
Release : 2019-03-19
Category : Science
ISBN : 9780128174746

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Advances in Heterocyclic Chemistry by Anonim Pdf

Advances in Heterocyclic Chemistry, Volume 129 is the definitive series in the field—one of great importance to organic chemists, polymer chemists and many biological scientists. Because biology and organic chemistry increasingly intersect, the associated nomenclature also is being used more frequently in explanations. Written by established authorities in the field from around the world, this comprehensive, updated release includes chapters on Metal-Catalyzed Direct Arylation of 1,2-Azoles, The Literature of Heterocyclic Chemistry, Part XVII, 2017, Pyrrolo-, Imidazoquinolines and Pyrroloquinazolines with a Bridgehead Nitrogen, Synthesis and Reactions of Arsole, Stibole, and Bismole, Advances in Synthesis and Chemistry of Aziridines, and more. Considered the definitive serial in the field of heterocyclic chemistry Serves as the go-to reference for organic chemists, polymer chemists and many biological scientists Provides the latest comprehensive reviews written by established authorities in the field Combines descriptive synthetic chemistry and mechanistic insight to enhance understanding of how chemistry drives the preparation and useful properties of heterocyclic compounds

Biological Chirality

Gyula Palyi
Biological Chirality Book PDF

Author : Gyula Palyi
Publisher : Academic Press
Page : 268 pages
File Size : 54,7 Mb
Release : 2019-11-06
Category : Science
ISBN : 9780128123386

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Biological Chirality by Gyula Palyi Pdf

Biological Chirality describes this occurrence, its history, and early research around the topic. The work covers analytical methods for observing the phenomenon, providing current techniques and practice and discussing the asymmetric morphology of certain living organisms, such as the position of the heart and liver in humans and the exceptions to biological homochirality seen in D-Amino Acids. In addition, it explores the requirement of enantioselectivity prepared pharmaceuticals to address enantioselectivities biomolecules, a major challenge in today's organic chemistry. Finally, the work considers the possible origin of biological homochirality, as well as the outlook for future research in this area. Describes the history of biological chirality research, its possible origins, and future exploration areas Discusses asymmetric exceptions in morphology and D-Amino Acids Explores the critical implications of enantioselective biomolecules for preparative organic chemistry with a goal of developing effective pharmaceuticals

Ionic Liquids in Catalysis

Hieronim Maciejewski
Ionic Liquids in Catalysis Book PDF

Author : Hieronim Maciejewski
Publisher : MDPI
Page : 196 pages
File Size : 46,5 Mb
Release : 2021-08-30
Category : Science
ISBN : 9783036512464

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Ionic Liquids in Catalysis by Hieronim Maciejewski Pdf

Due to their distinctive properties, ionic liquids have attracted the great and unflagging interest of researchers for over 30 years. This interest has been focused mainly on their use as a green alternative to volatile organic solvents. However, they often act not only as solvents but also as catalysts, catalyst immobilizers and initiators. Over 100 types of chemical reactions are known in which ionic liquids (ILs) were applied successfully. This Special Issue is aimed at showing the most recent advances and trends in the design, synthesis and characterization of catalysts based on ILs, as well as presenting their activity and application potential.

Catalysis in Biomass Conversion

Anonim
Catalysis in Biomass Conversion Book PDF

Author : Anonim
Publisher : Academic Press
Page : 396 pages
File Size : 47,6 Mb
Release : 2021-04-16
Category : Science
ISBN : 9780323853385

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Catalysis in Biomass Conversion by Anonim Pdf

Catalysis in Biomass Conversion, Volume 77 in the Advances in Inorganic Chemistry series, presents timely and informative summaries on current progress in a variety of subject areas. This acclaimed serial features reviews written by experts in the field, serving as an indispensable reference to advanced researchers that empowers readers to pursue new developments in each field. Users will find this to be a comprehensive overview of recent findings and trends from the last decade that covers various kinds of inorganic topics, from theoretical oriented supramolecular chemistry, to the quest for accurate calculations of spin states in transition metals. Provides the authority and expertise of leading contributors from an international board of authors Presents the latest release in the Advances in Inorganic Chemistry series

Catalytic Methods in Asymmetric Synthesis

Michelangelo Gruttadauria,Francesco Giacalone
Catalytic Methods in Asymmetric Synthesis Book PDF

Author : Michelangelo Gruttadauria,Francesco Giacalone
Publisher : John Wiley & Sons
Page : 720 pages
File Size : 54,7 Mb
Release : 2011-09-27
Category : Science
ISBN : 9780470641361

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Catalytic Methods in Asymmetric Synthesis by Michelangelo Gruttadauria,Francesco Giacalone Pdf

This book covers advances in the methods of catalytic asymmetric synthesis and their applications. Coverage moves from new materials and technologies to homogeneous metal-free catalysts and homogeneous metal catalysts. The applications of several methodologies for the synthesis of biologically active molecules are discussed. Part I addresses recent advances in new materials and technologies such as supported catalysts, supports, self-supported catalysts, chiral ionic liquids, supercritical fluids, flow reactors and microwaves related to asymmetric catalysis. Part II covers advances and milestones in organocatalytic, enzymatic and metal-based mediated asymmetric synthesis, including applications for the synthesis of biologically active molecules. Written by leading international experts, this book consists of 16 chapters with 2000 References and illustrations of 560 schemes and figures.

Asymmetric Catalysis on Industrial Scale

Hans Ulrich Blaser,Hans-Jürgen Federsel
Asymmetric Catalysis on Industrial Scale Book PDF

Author : Hans Ulrich Blaser,Hans-Jürgen Federsel
Publisher : John Wiley & Sons
Page : 517 pages
File Size : 46,9 Mb
Release : 2011-08-04
Category : Science
ISBN : 9783527642168

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Asymmetric Catalysis on Industrial Scale by Hans Ulrich Blaser,Hans-Jürgen Federsel Pdf

This second edition of the pioneering work on this hot topic captures the major trends and latest achievements in the art of asymmetric catalysis on an industrial scale. A number of completely new real-life case studies written by the world leaders in their respective areas provide a compact and qualified insight into this developing field. The resulting ready reference and handbook collates first-hand and valuable information within a context where it can be easily found. The high-quality contributions illustrate the relevant environments and situations, such as time pressure, how the catalytic step fits into the overall synthesis, or competition with other synthetic approaches, as well as the typical problems encountered in the various phases, including finding/developing the catalyst and optimization of the process or choice of equipment. Both successful and unsuccessful approaches to solve these problems are described.

Asymmetry in Biological Homochirality

David Hochberg
Asymmetry in Biological Homochirality Book PDF

Author : David Hochberg
Publisher : MDPI
Page : 102 pages
File Size : 55,5 Mb
Release : 2021-06-04
Category : Science
ISBN : 9783036504421

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Asymmetry in Biological Homochirality by David Hochberg Pdf

Chirality, or handedness, is a fundamental physical characteristic, which spans the length scales ranging from elementary particles to the chiral asymmetry of spiral galaxies. The way in which chirality in chemistry, or molecular handedness, may have emerged in a primitive terrestrial environment, and how it can be triggered, amplified, and transferred, are deeply challenging problems rooted in both fundamental scientific interests and the technological potentials for science and society. Chirality constitutes a unifying feature of the living world and is a prime driving force for molecular selection and genetic evolution in biology. In this book, we offer a selection of five distinct approaches to this problem by leading experts in the field. The selected topics range from protein chirality and its relevance to protein ageing, protein aggregation and neurodegeneration, entropy production associated with chiral symmetry breaking in closed systems, chiral oscillations in polymerization models involving higher-order oligomers, the mirror symmetry breaking in liquids and its implications for the development of homochirality in abiogenesis, the role of chirality in the chemical sciences, and some philosophical implications of chirality.

Drug Stability and Chemical Kinetics

Muhammad Sajid Hamid Akash,Kanwal Rehman
Drug Stability and Chemical Kinetics Book PDF

Author : Muhammad Sajid Hamid Akash,Kanwal Rehman
Publisher : Springer Nature
Page : 284 pages
File Size : 55,8 Mb
Release : 2020-11-01
Category : Medical
ISBN : 9789811564260

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Drug Stability and Chemical Kinetics by Muhammad Sajid Hamid Akash,Kanwal Rehman Pdf

This book comprehensively reviews drug stability and chemical kinetics: how external factors can influence the stability of drugs, and the reaction rates that trigger these effects. Explaining the important theoretical concepts of drug stability and chemical kinetics, and providing numerous examples in the form of illustrations, tables and calculations, the book helps readers gain a better understanding of the rates of reactions, order of reactions, types of degradation and how to prevent it, as well as types of stability studies. It also offers insights into the importance of the rate at which the drug is degraded and/or decomposed under various external and internal conditions, including temperature, pH, humidity and light. This book is intended for researchers, PhD students and scientists working in the field of pharmacy, pharmacology, pharmaceutical chemistry, medicinal chemistry and biopharmaceutics.

Advances in Asymmetric Synthesis

Anonim
Advances in Asymmetric Synthesis Book PDF

Author : Anonim
Publisher : Elsevier
Page : 320 pages
File Size : 51,5 Mb
Release : 1995-03-01
Category : Science
ISBN : 0080552641

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Advances in Asymmetric Synthesis by Anonim Pdf

Advances in Asymmetric Synthesis