Physical Principles Of Chirality In Nmr
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Author |
: Piotr Garbacz |
Publisher |
: Royal Society of Chemistry |
Total Pages |
: 268 |
Release |
: 2024-09-20 |
ISBN-10 |
: 9781839169595 |
ISBN-13 |
: 1839169591 |
Rating |
: 4/5 (95 Downloads) |
Synopsis Physical Principles of Chirality in NMR by : Piotr Garbacz
How can we study one of the most elusive molecular properties, chirality, using nuclear interactions with the magnetic field that are apparently insensitive to handedness? This book answers this question from the physicochemical point of view by providing a clear, coherent, and comprehensive review of methods used in NMR studies of chirality. Presented arguments based on fundamental physical and chemical laws and in-depth descriptions of new methods utilizing purely physical interactions are mainly addressed to spectroscopists in both academia and industry. The introductory chapters provide the reader with the basics of NMR spectroscopy as a tool for the study of chiral compounds, and those more interested in the methods of chiral discrimination will benefit from the brief description of their common points and reasons why some of them may or may not work. In the following chapters, the book shows rapid progress in a newly emerging field of chirality-sensitive NMR, in particular, a search for effects that give direct information about the absolute configuration of a molecule.
Author |
: G. N. La Mar |
Publisher |
: Elsevier |
Total Pages |
: 695 |
Release |
: 2013-10-22 |
ISBN-10 |
: 9781483272450 |
ISBN-13 |
: 1483272451 |
Rating |
: 4/5 (50 Downloads) |
Synopsis NMR of Paramagnetic Molecules by : G. N. La Mar
NMR of Paramagnetic Molecules: Principles and Applications is a compendium of papers that discusses the physical principles behind the technique of nuclear magnetic resonance, as well as, evaluates the scope and limitation of the applications of NMR in chemistry and biology. These papers emphasize the applications of the technique in chemistry and biochemistry where it widely used, particularlyon NMR experiments in the liquid state. Some papers describe the theoretical factors governing the resonance position and linewidth, and then also interpret magnetic resonance parameters in terms of electronic structure. Another paper investigates the gap between the mathematical complexities of earlier experiments and the operational aspects of chemical information from the spectra. Examples show studies in biochemical molecules and process in events where contact interactions are present either as a result of intrinsic molecular paramagnetism or are just induced through the addition of suitable paramagnetic probes. One paper presents the definitive and controversial results involving stereochemistry and deuterium NMR. This collection of papers will prove useful for nuclear physicists, researchers, and academicians in the field of nuclear physics.
Author |
: Harald Günther |
Publisher |
: John Wiley & Sons |
Total Pages |
: 842 |
Release |
: 2013-12-13 |
ISBN-10 |
: 9783527674770 |
ISBN-13 |
: 3527674772 |
Rating |
: 4/5 (70 Downloads) |
Synopsis NMR Spectroscopy by : Harald Günther
Nuclear magnetic resonance (NMR) spectroscopy is one of the most powerful and widely used techniques in chemical research for investigating structures and dynamics of molecules. Advanced methods can even be utilized for structure determinations of biopolymers, for example proteins or nucleic acids. NMR is also used in medicine for magnetic resonance imaging (MRI). The method is based on spectral lines of different atomic nuclei that are excited when a strong magnetic field and a radiofrequency transmitter are applied. The method is very sensitive to the features of molecular structure because also the neighboring atoms influence the signals from individual nuclei and this is important for determining the 3D-structure of molecules. This new edition of the popular classic has a clear style and a highly practical, mostly non-mathematical approach. Many examples are taken from organic and organometallic chemistry, making this book an invaluable guide to undergraduate and graduate students of organic chemistry, biochemistry, spectroscopy or physical chemistry, and to researchers using this well-established and extremely important technique. Problems and solutions are included.
Author |
: Albert Guijarro |
Publisher |
: Royal Society of Chemistry |
Total Pages |
: 243 |
Release |
: 2022-06-10 |
ISBN-10 |
: 9781839163692 |
ISBN-13 |
: 1839163690 |
Rating |
: 4/5 (92 Downloads) |
Synopsis The Origin of Chirality in the Molecules of Life by : Albert Guijarro
This book provides an interdisciplinary review of one of the great unsolved mysteries that has fascinated scientists for over 150 years: the origin of chirality in biomolecules. Current advances in fields as diverse as space exploration, prebiotic chemistry and high-energy physics may help to provide an answer. Important pieces of information will come from observations at the two frontiers of science: outer space and the subatomic world. Observation of distant planets, galaxies, and even actual sampling of celestial objects from beyond the solar system are projects currently underway. At the other end of the spectrum, there are experiments that study the elemental properties of matter, such as symmetry, and interactions with the fundamental forces. Completely revised and updated this new edition once again unifies all the theories of the origin of biomolecular homochirality together in a single source. This complete, interdisciplinary review of an intriguing subject condenses a large and disparate range of contributions from journals in almost every scientific field. The various theories have been organized, interrelated and explained in a unified way. It is fundamental, comprehensive and structured to be accessible for educational purposes.
Author |
: Terry Gordon Burlingame |
Publisher |
: |
Total Pages |
: 198 |
Release |
: 1970 |
ISBN-10 |
: OCLC:477407753 |
ISBN-13 |
: |
Rating |
: 4/5 (53 Downloads) |
Synopsis NMR Spectroscopy of Enantiomers in Chiral Solvents by : Terry Gordon Burlingame
Author |
: Thomas J. Wenzel |
Publisher |
: John Wiley & Sons |
Total Pages |
: 1303 |
Release |
: 2018-06-01 |
ISBN-10 |
: 9781119324775 |
ISBN-13 |
: 1119324777 |
Rating |
: 4/5 (75 Downloads) |
Synopsis Differentiation of Chiral Compounds Using NMR Spectroscopy by : Thomas J. Wenzel
An updated guide to the most current information available for determining how to use NMR spectroscopy to differentiate chiral compounds Differentiation of Chiral Compounds Using NMR Spectroscopy offers a thoroughly revised second edition to the essential volume that puts the focus on the chiral systems that are commercially available and have been widely vetted for use in NMR spectroscopy. The text covers a broad range of reagents that make it possible to determine the enantiomeric purity and assign the absolute configuration of many classes of compounds. Comprehensive in scope, the text describes the chiral NMR differentiating agents as derivatizing agents, solvating agents, metal-based reagents and liquid crystals and gels, and explains the range and types of compounds for which they can be used for analysis. New to this edition are the most recent findings in the field as well as the development of advanced NMR measurement techniques that allow for the simplification of complex spectra resulting in more readily identified enantiodifferentiation. This important resource: Includes the most recent coverage of a large range of compounds that can be analyzed using chiral NMR reagents Explores the use of chiral NMR reagents and explains their relationship to the stereochemistry of the analyzed molecules Offers the essential information needed to help decide which method is the best NMR method to apply to a class or molecules Contains experimental strategies for using the reagents that are likely to improve the quality of the results Differentiation of Chiral Compounds Using NMR Spectroscopy is a comprehensive guide designed for investigators planning to use NMR spectroscopy to determine enantiomeric purity or assign the absolute configuration of a compound.
Author |
: Albert Guijarro |
Publisher |
: Royal Society of Chemistry |
Total Pages |
: 164 |
Release |
: 2008 |
ISBN-10 |
: 9780854041565 |
ISBN-13 |
: 0854041567 |
Rating |
: 4/5 (65 Downloads) |
Synopsis The Origin of Chirality in the Molecules of Life by : Albert Guijarro
Few times an unsolved issue in science has dealt with a larger number of approaches or theories intending to shed light on it and few times this has been done from so different, often orthogonal perspectives. This book covers a hot topic, one of the unsolved problems not just in chemistry, but in science
Author |
: Harald Günther |
Publisher |
: John Wiley & Sons |
Total Pages |
: 739 |
Release |
: 2013-11-04 |
ISBN-10 |
: 9783527330003 |
ISBN-13 |
: 3527330003 |
Rating |
: 4/5 (03 Downloads) |
Synopsis NMR Spectroscopy by : Harald Günther
Auch die komplett überarbeitete 3. Auflage dieses bewährten Lehrbuchs überzeugt durch Klarheit, eine didaktisch gelungene Aufbereitung des Stoffes und ein hohes Maß an Praxisbezug. Das komplexe Thema wird mit einem Mindestmaß an Mathematik erklärt - ideal für Studenten, die die Grundlagen der NMR-Spektroskopie verstehen und das Verfahren effizient und präzise anwenden möchten. Die neue Auflage ist vollständig überarbeitet und aktualisiert. So sind rund 25% der Inhalte neu, darunter auch Kapitel zur biologischen NMR-Spektroskopie sowie viele Beispiele aus der organischen Chemie. Daher stellt dieses Fachbuch auch für Studenten in Grund- und Hauptstudium verwandter Fachrichtungen wie der Biochemie, Medizinischen Chemie, Pharmazeutischen Chemie und Materialwissenschaften einen wertvollen Leitfaden dar. Außerdem findet der Leser eine Vielzahl von Übungsaufgaben mit zugehörigen Lösungen.
Author |
: José M. Seco |
Publisher |
: Oxford University Press |
Total Pages |
: 264 |
Release |
: 2015-06-10 |
ISBN-10 |
: 9780190463885 |
ISBN-13 |
: 0190463880 |
Rating |
: 4/5 (85 Downloads) |
Synopsis The Assignment of the Absolute Configuration by NMR Using Chiral Derivatizing Agents by : José M. Seco
Nuclear magnetic resonance spectroscopy (NMR spectroscopy) is a research technique that uses the magnetic properties of atomic nuclei to determine physical and chemical properties of atoms or the molecules in which they are contained. Proton NMR (1H NMR) is a technique that applies NMR spectroscopy specifically to the hydrogen-1 nuclei within the molecules of a substance, in order to determine the structure of that substance's molecules. The use of 1H NMR for the assignment of absolute configuration of organic compounds is a well-established technique. Recent research describes the technique's application to mono-, bi- and trifunctional compounds. In addition, several new auxiliary reagents, mono- and biderivatization procedures, on-resin methodologies and more recently, the use of 13C NMR, have been introduced to the field. In The Assignment of the Absolute Configuration by NMR Using Chiral Derivatizing Agents: A Practical Guide, eminent Professor of Organic Chemistry Ricardo Riguera organizes this cutting-edge NMR research. Professor Riguera offers a short and usable guide that introduces the reader to the research with a plethora of details and examples. The book briefly explains the theoretical aspects necessary for understanding the methodology, dedicating most of its space to covering the practical aspects of the assignment, with examples and spectra taken from the authors' own experiments. Upper-level undergraduates, graduate students, and chemical researchers will find this guide useful for their studies and practice.
Author |
: Andreja Bakac |
Publisher |
: John Wiley & Sons |
Total Pages |
: 528 |
Release |
: 2010-04-22 |
ISBN-10 |
: 0470602511 |
ISBN-13 |
: 9780470602515 |
Rating |
: 4/5 (11 Downloads) |
Synopsis Physical Inorganic Chemistry by : Andreja Bakac
Physical Inorganic Chemistry contains the fundamentals of physical inorganic chemistry, including information on reaction types, and treatments of reaction mechanisms. Additionally, the text explores complex reactions and processes in terms of energy, environment, and health. This valuable resource closely examines mechanisms, an under-discussed topic. Divided into two sections, researchers, professors, and students will find the wide range of topics, including the most cutting edge topics in chemistry, like the future of solar energy, catalysis, environmental issues, climate changes atmosphere, and human health, essential to understanding chemistry.