Methods For Structure Elucidation By High Resolution Nmr

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Methods for Structure Elucidation by High-Resolution NMR

G. Batta,K. Kövér,C. Szántay, Jr.
Methods for Structure Elucidation by High Resolution NMR Book PDF

Author : G. Batta,K. Kövér,C. Szántay, Jr.
Publisher : Elsevier
Page : 356 pages
File Size : 43,6 Mb
Release : 1997-12-04
Category : Science
ISBN : 0080536506

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Methods for Structure Elucidation by High-Resolution NMR by G. Batta,K. Kövér,C. Szántay, Jr. Pdf

Nuclear Magnetic Resonance Spectroscopy (NMR) is now widely regarded as having evolved into a subscience. The field has become immensely diverse, ranging from medical use through solid state NMR to liquid state applications, with countless books and scientific journals devoted to these topics. Theoretical as well as experimental advance continues to be rapid, and has in fact accelerated by many novel innovations. This multi-authored book focuses on the latest developments in the rapidly evolving field of high resolution NMR, specifically with a view to applications on the structure elucidation of organic molecules of moderate molecular weight. Conceptually it differs from basic educational texts, hard-core scientific papers and regular review articles in that each chapter may be regarded as the authors' personal account of their special insights and results that crystallised after several years of research into a given topic. The book revolves around several themes and offers a handful of scientific "gems" of various colors, reflecting the great diversity of NMR. It contains 16 loosely connected chapters written by some of today's most accomplished NMR scientists in the world. Each chapter is a unique synthesis of the authors' previous research results in the given field, and thus projects special insights. Much emphasis has been given to the latest developments in NMR, in particular to selective pulses and pulsed field gradients. As a part of the series "Analytical Spectroscopy Library", with subsequent editions coming along this book should provide a platform for future research accounts of similar flavor. The material is presented in a mostly non-mathematical fashion, and is intended mainly for chemists, application NMR scientists and students with already some background in NMR. Some of the chapters slightly overlap in the discussed topics, which is particularly exciting in terms of gaining insight into the same area from different angles.

High-Resolution NMR Techniques in Organic Chemistry

Timothy D.W. Claridge
High Resolution NMR Techniques in Organic Chemistry Book PDF

Author : Timothy D.W. Claridge
Publisher : Newnes
Page : 400 pages
File Size : 53,8 Mb
Release : 2009
Category : Mathematics
ISBN : 9780080546285

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High-Resolution NMR Techniques in Organic Chemistry by Timothy D.W. Claridge Pdf

"Nuclear Magnetic Resonance (NMR) Spectroscopy remains the foremost analytical technique for the structure elucidation of organic molecules and an indispensable tool for the synthetic, medicinal and natural product chemist. New techniques continue to emerge and the application of NMR methods continues to expand. High-Resolution NMR Techniques in Organic Chemistry is designed for use in academic and industrial NMR facilities, as a text for graduate-level NMR courses, and as an accessible reference for the chemist's or spectroscopist's desk."--BOOK JACKET.

High-resolution NMR Techniques in Organic Chemistry

T. Claridge
High resolution NMR Techniques in Organic Chemistry Book PDF

Author : T. Claridge
Publisher : Elsevier
Page : 408 pages
File Size : 53,8 Mb
Release : 1999-12-24
Category : Science
ISBN : 0080427995

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High-resolution NMR Techniques in Organic Chemistry by T. Claridge Pdf

From the initial observation of proton magnetic resonance in water and in paraffin, the discipline of nuclear magnetic resonance has seen unparalleled growth as an analytical method. Modern NMR spectroscopy is a highly developed, yet still evolving, subject which finds application in chemistry, biology, medicine, materials science and geology. In this book, emphasis is on the more recently developed methods of solution-state NMR applicable to chemical research, which are chosen for their wide applicability and robustness. These have, in many cases, already become established techniques in NMR laboratories, in both academic and industrial establishments. A considerable amount of information and guidance is given on the implementation and execution of the techniques described in this book.

Modern NMR Approaches to the Structure Elucidation of Natural Products

Antony J. Williams,Gary E. Martin,David Rovnyak
Modern NMR Approaches to the Structure Elucidation of Natural Products Book PDF

Author : Antony J. Williams,Gary E. Martin,David Rovnyak
Publisher : Royal Society of Chemistry
Page : 344 pages
File Size : 47,6 Mb
Release : 2016
Category : Science
ISBN : 9781849733830

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Modern NMR Approaches to the Structure Elucidation of Natural Products by Antony J. Williams,Gary E. Martin,David Rovnyak Pdf

Modern NMR Approaches for the Structure Elucidation of Natural Products is part of a two-volume set focusing on the structure elucidation of natural products. Volume 1 discusses contemporary NMR approaches including optimized hardware and experimental approaches to obtain both the highest quality and most appropriate spectral data for analysis. It also discusses data processing and algorithmic-based analysis of the data to establish molecular structures. This meshing of details regarding data acquisition, software and hardware approaches to the elucidation of natural products will bring together contributions from leading experts in the field. Volume 2 reviews the application of NMR to the analysis of a series of different natural product families including marine natural products, anti-cancer agents, alkaloids, terpenes, steroids, antibiotics, carbohydrates, peptides and venoms. There are no books on the market that are focused on the unique combination of experimental approaches and modern hardware and software approaches to the structure elucidation of natural products. These books will, spread over 2 volumes, bring together acknowledged experts in the field of structure elucidation and be attractive to those with a specific interest in the characterisation of natural products. The volumes will be an essential resource for NMR spectroscopists, natural product chemists and industrial researchers working on natural product analysis or the characterisation of impurities and degradation products of pharmaceuticals that can be scarce as natural product samples.

Optimizing NMR Methods for Structure Elucidation

Darcy C Burns,William F Reynolds
Optimizing NMR Methods for Structure Elucidation Book PDF

Author : Darcy C Burns,William F Reynolds
Publisher : Royal Society of Chemistry
Page : 254 pages
File Size : 48,7 Mb
Release : 2018-09-26
Category : Science
ISBN : 9781788015356

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Optimizing NMR Methods for Structure Elucidation by Darcy C Burns,William F Reynolds Pdf

This book is aimed at informing organic chemists and natural products chemists on the use of NMR for structure elucidation to enable them to ensure they yield the most reliable possible data in the minimum possible time. It covers the latest pulse sequences, acquisition and processing methods, practical areas not covered in most texts e.g. detailed consideration of the relative advantages and disadvantages of different pulse sequences, choosing acquisition and processing parameters to get the best possible data in the least possible time, pitfalls to avoid and how to minimize the risks of getting wrong structures. Useful in industrial, pharma or research environments, this reference book is for anyone involved with organic chemistry research and, in particular, natural products research requiring advice for getting the best results from the NMR facilities.

Structure of High-Resolution NMR Spectra

P.L. Corio
Structure of High Resolution NMR Spectra Book PDF

Author : P.L. Corio
Publisher : Elsevier
Page : 561 pages
File Size : 48,5 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323145992

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Structure of High-Resolution NMR Spectra by P.L. Corio Pdf

Structure of High-Resolution NMR Spectra provides the principles, theories, and mathematical and physical concepts of high-resolution nuclear magnetic resonance spectra. The book presents the elementary theory of magnetic resonance; the quantum mechanical theory of angular momentum; the general theory of steady state spectra; and multiple quantum transitions, double resonance and spin echo experiments. Physicists, chemists, and researchers will find the book a valuable reference text.

Modern NMR Approaches to the Structure Elucidation of Natural Products

Antony Williams,Gary Martin,David Rovnyak
Modern NMR Approaches to the Structure Elucidation of Natural Products Book PDF

Author : Antony Williams,Gary Martin,David Rovnyak
Publisher : Royal Society of Chemistry
Page : 516 pages
File Size : 52,8 Mb
Release : 2016-12-12
Category : Science
ISBN : 9781849734684

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Modern NMR Approaches to the Structure Elucidation of Natural Products by Antony Williams,Gary Martin,David Rovnyak Pdf

The Ghanian plant Cryptolepis sanguinolenta is the source of a series of fascinating indoloquinoline alkaloids. The most unusual member of this alkaloid series was initially proposed to be a spiro nonacyclic structure, named cryptospirolepine, and was elucidated in 1993 based on the technologies available at that time. There were, however, several annoying attributes to the structure that bothered analysts for the ensuing 22 years. During the two decades that followed the initial work there have been enormous developments in NMR technology. Using new experimental approaches, specifically homodecoupled 1,1- and 1,n-HD-ADEQUATE NMR experiments developed in 2014, the structure of only a 700 μg sample of cryptospirolepine has been revised and is shown on the cover of this volume. The confluence of the NMR technological and methodological advances that allowed the revision of the structure of cryptospirolepine using a submilligram sample seems a fitting example for this book, which is dedicated to the NMR characterization of various classes of natural products. Volume 2 considers data processing and algorithmic based analyses tailored to natural product structure elucidation and reviews the application of NMR to the analysis of a series of different natural product families including marine natural products, terpenes, steroids, alkaloids and carbohydrates. Volume 1 discusses contemporary NMR approaches including optimized and future hardware and experimental approaches to obtain both the highest quality and most appropriate spectral data for analysis. These books, bringing together acknowledged experts, uniquely focus on the combination of experimental approaches and modern hardware and software applied to the structure elucidation of natural products. The volumes will be an essential resource for NMR spectroscopists, natural product chemists and industrial researchers working on natural product analysis or the characterization of impurities and degradation products of pharmaceuticals that can be as scarce as natural product samples.

High Resolution NMR

Edwin D. Becker
High Resolution NMR Book PDF

Author : Edwin D. Becker
Publisher : Elsevier
Page : 325 pages
File Size : 42,8 Mb
Release : 2013-10-22
Category : Science
ISBN : 9781483267890

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High Resolution NMR by Edwin D. Becker Pdf

High Resolution NMR: Theory and Chemical Applications focuses on the applications of nuclear magnetic resonance (NMR), as well as chemical shifts, lattices, and couplings. The book first offers information on the theory of NMR, including nuclear spin and magnetic moment, spin lattice relaxation, line widths, saturation, quantum mechanical description of NMR, and ringing. The text then ponders on instrumentation and techniques and chemical shifts. Discussions focus on the origin of chemical shifts, reference compounds, empirical correlations of chemical shifts, modulation and phase detection, requirements for high resolution NMR, and superconducting magnets. The text elaborates on electron-coupled spin-spin interactions, as well as origin of spin-spin coupling, signs of coupling constants, theory of spin-spin coupling, correlation of coupling constants with other physical properties, and observed coupling constant. The manuscript also ponders on the use of NMR in structure elucidation, theory and applications of double resonance, and analysis of complex spectra. The publication is a dependable reference for readers interested in high resolution NMR.

High Resolution NMR Spectroscopy: Understanding Molecules and their Electronic Structures

Anonim
High Resolution NMR Spectroscopy Understanding Molecules and their Electronic Structures Book PDF

Author : Anonim
Publisher : Newnes
Page : 448 pages
File Size : 44,5 Mb
Release : 2013-06-08
Category : Science
ISBN : 9780444594143

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High Resolution NMR Spectroscopy: Understanding Molecules and their Electronic Structures by Anonim Pdf

The progress in nuclear magnetic resonance (NMR) spectroscopy that took place during the last several decades is observed in both experimental capabilities and theoretical approaches to study the spectral parameters. The scope of NMR spectroscopy for studying a large series of molecular problems has notably broadened. However, at the same time, it requires specialists to fully use its potentialities. This is a notorious problem and it is reflected in the current literature where this spectroscopy is typically only used in a routine way. Also, it is seldom used in several disciplines in which it could be a powerful tool to study many problems. The main aim of this book is to try to help reverse these trends.This book is divided in three parts dealing with 1) high-resolution NMR parameters; 2) methods for understanding high-resolution NMR parameters; and 3) some experimental aspects of high-resolution NMR parameters for studying molecular structures. Each part is divided into chapters written by different specialists who use different methodologies in their work. In turn, each chapter is divided into sections. Some features of the different sections are highlighted: it is expected that part of the readership will be interested only in the basic aspects of some chapters, while other readers will be interested in deepening their understanding of the subject dealt with in them. Shows how NMR parameters are useful for structure assignment as well as to obtain insight on electronic structures Emphasis on conceptual aspects Contributions by specialists who use the discussed methodologies in their everyday work

High-Resolution NMR Techniques in Organic Chemistry

T. Claridge
High Resolution NMR Techniques in Organic Chemistry Book PDF

Author : T. Claridge
Publisher : Elsevier
Page : 398 pages
File Size : 44,6 Mb
Release : 1999-12-24
Category : Technology & Engineering
ISBN : 9780080508122

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High-Resolution NMR Techniques in Organic Chemistry by T. Claridge Pdf

From the initial observation of proton magnetic resonance in water and in paraffin, the discipline of nuclear magnetic resonance has seen unparalleled growth as an analytical method. Modern NMR spectroscopy is a highly developed, yet still evolving, subject which finds application in chemistry, biology, medicine, materials science and geology.In this book, emphasis is on the more recently developed methods of solution-state NMR applicable to chemical research, which are chosen for their wide applicability and robustness. These have, in many cases, already become established techniques in NMR laboratories, in both academic and industrial establishments. A considerable amount of information and guidance is given on the implementation and execution of the techniques described in this book.

High-Resolution NMR Techniques in Organic Chemistry

Timothy D.W. Claridge
High Resolution NMR Techniques in Organic Chemistry Book PDF

Author : Timothy D.W. Claridge
Publisher : Elsevier
Page : 552 pages
File Size : 45,9 Mb
Release : 2016-04-22
Category : Science
ISBN : 9780080999937

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High-Resolution NMR Techniques in Organic Chemistry by Timothy D.W. Claridge Pdf

High-Resolution NMR Techniques in Organic Chemistry, Third Edition describes the most important NMR spectroscopy techniques for the structure elucidation of organic molecules and the investigation of their behaviour in solution. Appropriate for advanced undergraduate and graduate students, research chemists and NMR facility managers, this thorough revision covers practical aspects of NMR techniques and instrumentation, data collection, and spectrum interpretation. It describes all major classes of one- and two-dimensional NMR experiments including homonuclear and heteronuclear correlations, the nuclear Overhauser effect, diffusion measurements, and techniques for studying protein–ligand interactions. A trusted authority on this critical expertise, High-Resolution NMR Techniques in Organic Chemistry, Third Edition is an essential resource for every chemist and NMR spectroscopist.

Structure Elucidation by Modern NMR

Helmut Duddeck,Wolfgang Dietrich,Gabor Toth
Structure Elucidation by Modern NMR Book PDF

Author : Helmut Duddeck,Wolfgang Dietrich,Gabor Toth
Publisher : Springer Science & Business Media
Page : 214 pages
File Size : 45,7 Mb
Release : 2013-04-18
Category : Science
ISBN : 9783642883101

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Structure Elucidation by Modern NMR by Helmut Duddeck,Wolfgang Dietrich,Gabor Toth Pdf

During the last few years, routine applications of NMR (Nuclear Magnetic Resonance) techniques have developed at a tremendous pace. The latest generation of spectrometers have enabled chemists to perform new types of experiments, such as spinlock and inverse-detected methods. This third, revised and expanded edition introduces the latest methodologies and incorporates them into new exercises.

Structure Elucidation by NMR in Organic Chemistry

Eberhard Breitmaier
Structure Elucidation by NMR in Organic Chemistry Book PDF

Author : Eberhard Breitmaier
Publisher : John Wiley & Sons
Page : 279 pages
File Size : 55,9 Mb
Release : 2002-11-22
Category : Science
ISBN : 9780470850077

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Structure Elucidation by NMR in Organic Chemistry by Eberhard Breitmaier Pdf

This text provides the graduate student with a systematic guide to unravelling structural information from the NMR spectra of unknown synthetic and natural compounds. A brief introduction gives an overview of the basic principles and elementary instrumental methods of NMR. This is followed by instructional strategy and tactical advice on how to translate spectra into meaningful structural information. The book provides the student with 55 sets of spectra of graduated complexity. These are designed to challenge the student's problem-solving abilities by the introduction of new concepts with each group of problems, followed by possible solutions and full explanations. A formula index of solutions is provided at the end of the text. This third edition, following on from the second (a reprint of the first edition with corrections), presents significant new material. Thus, actual methods of two-dimensional NMR such as some inverse techniques of heteronuclear shift correlation, as well as the detection of proton-proton connectivities and nuclear Overhauser effects are included. To demonstrate the applications of these methods, new problems have replaced those of previous editions.

Structure Elucidation by Modern NMR

Helmut Duddeck,Wolfgang Dietrich
Structure Elucidation by Modern NMR Book PDF

Author : Helmut Duddeck,Wolfgang Dietrich
Publisher : Springer Science & Business Media
Page : 273 pages
File Size : 43,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642977879

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Structure Elucidation by Modern NMR by Helmut Duddeck,Wolfgang Dietrich Pdf

For several years, we have been organizing seminars and workshops on the application of modem one and two-dimensional NMR methods at the faculty of chemistry in the Ruhr-University Bochum, FRG, and elsewhere, addressing researchers and graduate students who work in the field of organic and natural products chemistry. In 1987, we wrote a workbook (StrukturaufkUirung mit modemer NMR-Spektroskopie, Steinkopff, Darmstadt, FRG, 1988) in German language based on our experience in these courses. Many of the exercises described therein have been used in such courses and some of them have been shaped by the participants to a great extent. The response of readers and discussions with colleagues from many countries encouraged us two years later to produce an English translation in order to make the book accessible to a wider audience. Moreover, the content has been increased from 20 exercise examples in the German, to 23 in English version. Now, after the rapid development of basic multipulse NMR me thods in the early 1980s, the avantgarde in modem NMR is concentrating on the invention and optimi zation of advanced techniques, e. g. , three-dimensional experiments. For the beginners, however, the situation has not changed markedly since the appearence of the first edition of this book. Therefore, we decided not to add new techniques to this second edition, but rather to increase the number of exerci ses from 23 to 33, the new ones being basically single-spectrum-problems.

NMR Spectroscopy in Drug Development and Analysis

Ulrike Holzgrabe,Iwona Wawer,Bernd Diehl
NMR Spectroscopy in Drug Development and Analysis Book PDF

Author : Ulrike Holzgrabe,Iwona Wawer,Bernd Diehl
Publisher : John Wiley & Sons
Page : 312 pages
File Size : 52,7 Mb
Release : 2008-07-11
Category : Medical
ISBN : 9783527613656

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NMR Spectroscopy in Drug Development and Analysis by Ulrike Holzgrabe,Iwona Wawer,Bernd Diehl Pdf

Since the development of the NMR spectrometer in the 1950s, NMR spectra have been widely used for the elucidation of the 2D structure of newly synthesized and natural compounds. In the 1980s, the high-resolution NMR spectrometer (> 300 Mhz) and 2D experiments were introduced, which opens up the possibility to determine the 3D structure of large molecules, especially biomolecules. However, NMR spectroscopy has been rarely applied to drug analysis. This book illustrates the power and versatility of NMR spectroscopy in the determination of impurities in and the content of drugs, the composition of polymer excipients, the characterization of isomeric drug mixtures, the complexity of drugs with small-size components or ions, and the behavior of drugs in acid and basic solution. In addition, NMR spectroscopy and especially the hyphenated technique with HPLC is shown to be a powerful tool to measure a drug and its metabolites in various body fluids. The solid state NMR technique can give information on the structure, especially the conformation of drugs and excipients in drug formulations. Recently, SAR by NMR, introduced by Fesik, impressively demonstrated the potential of NMR spectroscopy in drug development and in the characterization of the interaction between large molecules and ligands. The complexation between proteins, lipids and cyclodextrins with drugs is described. Finally, NMR imaging (MRI and MRS) can be used to characterize the liberation of drugs from a drug formulation. Furthermore, the distribution of substances in plants, in animals, in tissues and in humans can be visualized by imaging. In short, this book covers all aspects of drug analysis.