Structure Elucidation By Modern Nmr
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| Author | : Helmut Duddeck |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 214 |
| Release | : 2013-04-18 |
| Genre | : Science |
| ISBN | : 3642883109 |
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.
| Author | : H. Duddeck |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 236 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 3642977812 |
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 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 the English version. This book could not have been written in the present form without the help of a number of col leagues and, therefore, we acknowledge gratefully the generous supply of samples from and useful discussions with B. Abegaz (Addis Ababa, Ethiopia), U.H. Brinker (Bingham, New York, USA), E.
| Author | : Antony J. Williams |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 344 |
| Release | : 2016 |
| Genre | : Science |
| ISBN | : 184973383X |
The first volume in a two-part set that discusses contemporary NMR approaches for the structure elucidation of natural products. It covers optimized hardware and experimental approaches.
| Author | : Antony Williams |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 533 |
| Release | : 2016-12-12 |
| Genre | : Science |
| ISBN | : 1849734682 |
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.
| Author | : Springer |
| Publisher | : |
| Total Pages | : 220 |
| Release | : 2014-01-15 |
| Genre | : |
| ISBN | : 9783642883118 |
| Author | : Antony J. Williams |
| Publisher | : |
| Total Pages | : |
| Release | : 2016 |
| Genre | : Nuclear magnetic resonance spectroscopy |
| ISBN | : |
| Author | : Antony J. Williams |
| Publisher | : |
| Total Pages | : 329 |
| Release | : 2016 |
| Genre | : Electronic book |
| ISBN | : 9781849733830 |
The first volume in a two-part set that discusses contemporary NMR approaches for the structure elucidation of natural products. It covers optimized hardware and experimental approaches
| Author | : Razvan Teodorescu |
| Publisher | : |
| Total Pages | : 344 |
| Release | : 2014 |
| Genre | : |
| ISBN | : |
The first volume in a two part set that discusses NMR analysis for the structure elucidation of natural products. It covers instrumentation for a contemporary laboratory and software.
| Author | : Antony Williams |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 532 |
| Release | : 2016-12-14 |
| Genre | : Science |
| ISBN | : 1849733937 |
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.
| Author | : Oliver Zerbe |
| Publisher | : John Wiley & Sons |
| Total Pages | : 581 |
| Release | : 2013-11-26 |
| Genre | : Science |
| ISBN | : 3527677836 |
From complex structure elucidation to biomolecular interactions - this applicationoriented textbook covers both theory and practice of modern NMR applications. Part one sets the stage with a general description of NMR introducing important parameters such as the chemical shift and scalar or dipolar couplings. Part two describes the theory behind NMR, providing a profound understanding of the involved spin physics, deliberately kept shorter than in other NMR textbooks, and without a rigorous mathematical treatment of all the physico-chemical computations. Part three discusses technical and practical aspects of how to use NMR. Important phenomena such as relaxation, exchange, or the nuclear Overhauser effects and the methods of modern NMR spectroscopy including multidimensional experiments, solid state NMR, and the measurement of molecular interactions are the subject of part four. The final part explains the use of NMR for the structure determination of selected classes of complex biomolecules, from steroids to peptides or proteins, nucleic acids, and carbohydrates. For chemists as well as users of NMR technology in the biological sciences.
