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Author : George C. Levy
Publisher :
ISBN 13 :
Total Pages : 370 pages
Book Rating : 4.0/5 ( download)
Download or read book Carbon-13 Nuclear Magnetic Resonance Spectroscopy written by George C. Levy and published by . This book was released on 1992 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George C. Levy
Publisher :
ISBN 13 : 9780471531586
Total Pages : 242 pages
Book Rating : 4.5/5 (315 download)
Download or read book Carbon-13 Nuclear Magnetic Resonance for Organic Chemists written by George C. Levy and published by . This book was released on 1972 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eberhard Breitmaier
Publisher : Wiley-VCH
ISBN 13 :
Total Pages : 550 pages
Book Rating : 4.:/5 (318 download)
Download or read book Carbon-13 NMR Spectroscopy written by Eberhard Breitmaier and published by Wiley-VCH. This book was released on 1987 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: E. Breitmaier, W. Voelter Carbon-13 NMR Spectroscopy High-Resolution Methods and Applications in Organic Chemistry and Biochemistry Third, completely revised edition New techniques and increased use of computers have led to rapid development in 13C NMR spectroscopy with enhanced instrumental sensitivity and improved quality of the spectra. This necessitated a complete revision when the third edition of this successful monograph was prepared. The new methods described include those for multiplicity analysis and two-dimensional homo- or hetero-nuclear shift correlations. As in the second edition, the authors survey the large number of 13C NMR applications to organic molecules and natural products in a representative and systematic rather than an exhaustive way. New sections about coupling constants, organophosphorus and organometallic compounds as well as synthetic polymers have been added. The scope remains limited to high-resolution methods and molecular systems.
Author : Metin Balci
Publisher : Elsevier
ISBN 13 : 9780080525532
Total Pages : 430 pages
Book Rating : 4.5/5 (255 download)
Download or read book Basic 1H- and 13C-NMR Spectroscopy written by Metin Balci and published by Elsevier. This book was released on 2005-01-19 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear Magnetic Resonance (NMR) spectroscopy is a powerful and theoretically complex analytical tool. Basic 1H- and 13C-NMR Spectroscopy provides an introduction to the principles and applications of NMR spectroscopy. Whilst looking at the problems students encounter when using NMR spectroscopy, the author avoids the complicated mathematics that are applied within the field. Providing a rational description of the NMR phenomenon, this book is easy to read and is suitable for the undergraduate and graduate student in chemistry. Describes the fundamental principles of the pulse NMR experiment and 2D NMR spectra Easy to read and written with the undergraduate and graduate chemistry student in mind Provides a rational description of NMR spectroscopy without complicated mathematics
Author : P.K. Agrawal
Publisher : Elsevier
ISBN 13 : 1483290743
Total Pages : 581 pages
Book Rating : 4.4/5 (832 download)
Download or read book Carbon-13 NMR of Flavonoids written by P.K. Agrawal and published by Elsevier. This book was released on 2013-10-22 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: This detailed treatise is written for chemists who are not NMR spectroscopists but who wish to use carbon-13 NMR spectroscopy. It shows why measurement of carbon-13 NMR is needed and explains how the method can - or should - be used for rapid characterization of flavonoids, one of the most diverse and widespread groups of natural constituents. The first part of the book presents background information and discussion of the essential aspects of flavonoids and carbon-13 NMR spectroscopy and demonstrates its significant role in the revision of several earlier established chemical structures. It discusses various one- and two-dimensional NMR spectroscopic techniques and other relevant experimental methodologies for the interpretation of spectral details which enable individual resonance lines to be associated with the appropriate carbons in a molecule. The second part provides a comprehensive coverage of the carbon-13 chemical shifts of various classes and subclasses of flavonoids. It also illustrates how to utilize carbon-13 data to gain information for the determination of the nature, number and site of any substituent in flavonoids. Vital information for the differential and complete structure elucidation of the various classes of flavonoids by carbon-13 NMR shielding data is described in-depth in the third part of the book. The book will be welcomed by all those working in natural product chemistry who will appreciate the non-mathematical approach and the fact that such a wealth of theoretical and practical information has been assembled in a single volume.
Author : Norbert W. Lutz
Publisher : Cambridge University Press
ISBN 13 : 0521765900
Total Pages : 641 pages
Book Rating : 4.5/5 (217 download)
Download or read book Methodologies for Metabolomics written by Norbert W. Lutz and published by Cambridge University Press. This book was released on 2013-01-21 with total page 641 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metabolomics, the global characterisation of the small molecule complement involved in metabolism, has evolved into a powerful suite of approaches for understanding the global physiological and pathological processes occurring in biological organisms. The diversity of metabolites, the wide range of metabolic pathways and their divergent biological contexts require a range of methodological strategies and techniques. Methodologies for Metabolomics provides a comprehensive description of the newest methodological approaches in metabolomic research. The most important technologies used to identify and quantify metabolites, including nuclear magnetic resonance and mass spectrometry, are highlighted. The integration of these techniques with classical biological methods is also addressed. Furthermore, the book presents statistical and chemometric methods for evaluation of the resultant data. The broad spectrum of topics includes a vast variety of organisms, samples and diseases, ranging from in vivo metabolomics in humans and animals to in vitro analysis of tissue samples, cultured cells and biofluids.
Author : Peder Larson
Publisher : Academic Press
ISBN 13 : 0128222700
Total Pages : 298 pages
Book Rating : 4.1/5 (282 download)
Download or read book Hyperpolarized Carbon-13 Magnetic Resonance Imaging and Spectroscopy written by Peder Larson and published by Academic Press. This book was released on 2021-11-28 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: MRI with hyperpolarized carbon-13 agents is a powerful emerging imaging modality that can measure real-time metabolism in cells, animals, and humans. It uses endogenous, non-toxic contrast agents that a hyperpolarized, resulting in up to 100,000-fold increases in sensitivity. This technique uses no ionizing radiation, and is being applied in a range of human trials. It’s primary use is for metabolic imaging, but it can also measure perfusion, pH, and necrosis. Hyperpolarized Carbon-13 Magnetic Resonance Imaging and Spectroscopy is designed to be a one stop shop for understanding hyperpolarized 13C MRI. This book explains the principles of this imaging modality, the requirements for performing studies, shows how to interpret the results, and gives an overview of current biomedical applications. It is suitable for engineers, scientists and clinicians in radiology and biomedical imaging who want to understand this technology. Presents the physics and hardware of dissolution dynamic nuclear polarization Explains the behaviour of hyperpolarized carbon-13 agents and how to image them Detailed guidance on experimental design and data interpretation Identifies promising and potential applications of hyperpolarized carbon-13 MR
Author : Eberhard Breitmaier
Publisher : Wiley-VCH
ISBN 13 :
Total Pages : 540 pages
Book Rating : 4.3/5 (121 download)
Download or read book Carbon-13 NMR Spectroscopy written by Eberhard Breitmaier and published by Wiley-VCH. This book was released on 1987 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jeffrey B. Harborne
Publisher : Springer
ISBN 13 : 1489929096
Total Pages : 1218 pages
Book Rating : 4.4/5 (899 download)
Download or read book The Flavonoids written by Jeffrey B. Harborne and published by Springer. This book was released on 2013-11-11 with total page 1218 pages. Available in PDF, EPUB and Kindle. Book excerpt: The flavonoids, one of the most numerous and widespread groups of natural constituents, are important to man not only because they contribute to plant colour but also because many members (e.g. coumestrol, phloridzin, rotenone) are physiologically active. Nearly two thousand substances have been described and as a group they are universally distributed among vascular plants. Although the anthocyanins have an undisputed function as plant pigments, the raison d'etre for the more widely distributed colourless flavones and flavonols still remains a mystery. It is perhaps the challenge of discovering these yet undisc10sed functions which has caused the considerable resurgence of interest in flavonoids during the last decade. This book attempts to summarize progress that has been made in the study of these constituents since the first comprehensive monograph on the chemistry of the flavonoid compounds was published, under the editorship of T. A. Geissman, in 1962. The present volume is divided into three parts. The first section (Chapters 1-4) deals with advances in chemistry, the main emphasis being on spectral techniques to take into account the re cent successful applications of NMR and mass spectral measurements to structural identifications. Recent developments in isolation techniques and in synthesis are also covered in this section. Advances in chemical knowledge of individual c1asses of flavonoid are mentioned inter aha in later chapters of the book.
Author : Robert B. Bates
Publisher : Springer Science & Business Media
ISBN 13 : 1461259959
Total Pages : 280 pages
Book Rating : 4.4/5 (612 download)
Download or read book Carbon-13 NMR Spectral Problems written by Robert B. Bates and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the advent of Fourier transform spectrometers of great sensitivity, it has become practical to obtain carbon-13 nuclear magnetic resonance (C-13 NMR; l3C NMR; CMR) spectra routinely on organic molecules, and this technique has become one of the highest utility in determining structures of organic unknowns. When the usual spectrometric techniques proton magnetic resonance (H-I NMR; IH NMR; PMR), infrared (lR), mass (MS), and ultraviolet (UV)-do not readily reveal a compound's structure, a C-13 NMR spectrum will often provide sufficient additional information to yield it unequivocally. With this in mind, the present work was designed to give advanced undergraduates, graduate students, and practicing chemists a working knowledge of and facility with the use of this valuable technique. Some familiarity with other spectrometric techniques is assumed (recommended book: Silverstein, Bassler, and Morrill, Spectrometric Identification of Organic Compounds), but no prior knowledge of C-13 NMR -which is treated very lightly, if at all, in the widely used elementary organic texts-is necessary. A discussion of C-13 NMR spectroscopy is followed by 125 problems, each consisting of a molecular formula, two types of C-13 NMR spectra (partially and completely proton decoupled, with connecting lines to facilitate multiplicity assignments), an integrated H-I NMR spectrum, and the most important IR, UV, and MS data. These problems have been very carefully prepared, thoroughly tested by students at the University of Arizona, and we believe that very few errors remain.
Author : F. W. Wehrli
Publisher :
ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.:/5 (318 download)
Download or read book Interpretation of Carbon-13 NMR Spectra written by F. W. Wehrli and published by . This book was released on 1988-06-23 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the second edition of a very successful book which provides the conceptual and experimental basis for the interpretation of 13 C NMR spectra.
Author : Joseph B. Lambert
Publisher : John Wiley & Sons
ISBN 13 : 1119295238
Total Pages : 485 pages
Book Rating : 4.1/5 (192 download)
Download or read book Nuclear Magnetic Resonance Spectroscopy written by Joseph B. Lambert and published by John Wiley & Sons. This book was released on 2019-01-04 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combines clear and concise discussions of key NMR concepts with succinct and illustrative examples Designed to cover a full course in Nuclear Magnetic Resonance (NMR) Spectroscopy, this text offers complete coverage of classic (one-dimensional) NMR as well as up-to-date coverage of two-dimensional NMR and other modern methods. It contains practical advice, theory, illustrated applications, and classroom-tested problems; looks at such important ideas as relaxation, NOEs, phase cycling, and processing parameters; and provides brief, yet fully comprehensible, examples. It also uniquely lists all of the general parameters for many experiments including mixing times, number of scans, relaxation times, and more. Nuclear Magnetic Resonance Spectroscopy: An Introduction to Principles, Applications, and Experimental Methods, 2nd Edition begins by introducing readers to NMR spectroscopy - an analytical technique used in modern chemistry, biochemistry, and biology that allows identification and characterization of organic, and some inorganic, compounds. It offers chapters covering: Experimental Methods; The Chemical Shift; The Coupling Constant; Further Topics in One-Dimensional NMR Spectroscopy; Two-Dimensional NMR Spectroscopy; Advanced Experimental Methods; and Structural Elucidation. Features classical analysis of chemical shifts and coupling constants for both protons and other nuclei, as well as modern multi‐pulse and multi-dimensional methods Contains experimental procedures and practical advice relative to the execution of NMR experiments Includes a chapter-long, worked-out problem that illustrates the application of nearly all current methods Offers appendices containing the theoretical basis of NMR, including the most modern approach that uses product operators and coherence-level diagrams By offering a balance between volumes aimed at NMR specialists and the structure-determination-only books that focus on synthetic organic chemists, Nuclear Magnetic Resonance Spectroscopy: An Introduction to Principles, Applications, and Experimental Methods, 2nd Edition is an excellent text for students and post-graduate students working in analytical and bio-sciences, as well as scientists who use NMR spectroscopy as a primary tool in their work.
Author : J. A. Whitesell
Publisher : Springer Science & Business Media
ISBN 13 : 9400931611
Total Pages : 231 pages
Book Rating : 4.4/5 (9 download)
Download or read book Stereochemical Analysis of Alicyclic Compounds by C-13 NMR Spectroscopy written by J. A. Whitesell and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: Through numerous conversations with other synthetic chemists it became apparent that the great power of carbon nuclear magnetic resonance was being significantly underutilized. In our own work we have found that 13C spectroscopy is a more powerful tool than IH NMR spectroscopy, especially for probing subtle stereochemical questions in complicated systems. This is especially true in five membered ring compounds where IH NMR is at a particular disadvantage. The two techniques can be used independently to solve the same question-that of stereochemistry - but they do so in different ways. Advantage can be taken in IH NMR of a relatively consistent relationship between stereochemical orientation and coupling constants between vicinal protons, while in 13C NMR it is the correlation between spatial relationships of non-hydrogen, y substituents and their effect on chemical shift that can be used to assign stereochemistry. It was also clear that the use of 13C NMR required a different approach to problem solving than that typically used with IH NMR. While the latter technique could be employed with a very general approach (e.g., the Karplus equation), 13C NMR would, at least for the immediate future, require a relatively extensive set of model systems from which the consequences of stereochemical changes could be derived for any given carbon framework.
Author : Eberhard Breitmaier
Publisher : CRC Press
ISBN 13 : 9783718604739
Total Pages : 378 pages
Book Rating : 4.6/5 (47 download)
Download or read book 13C NMR Spectroscopy written by Eberhard Breitmaier and published by CRC Press. This book was released on 1984 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kalevi Pihlaja
Publisher : VCH Publishers
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.3/5 (91 download)
Download or read book Carbon-13 NMR Chemical Shifts in Structural and Stereochemical Analysis written by Kalevi Pihlaja and published by VCH Publishers. This book was released on 1994 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review of recent research on strategies and applications of the C-13 chemical shift, a method for determining configuration of organic compounds. Introduces C-13 NMR spectroscopy, and describes conditions for collecting the FID, for data handling, and for obtaining a well- resolved C-13 NMR spectrum, as well as various substituent effect correlations, their derivations, and the origin of the effects. Also discusses the use of multidimensional NMR methods. For organic, physical, and natural products chemists. Includes bandw diagrams. Annotation copyright by Book News, Inc., Portland, OR
Author : M. Shamma
Publisher : Springer Science & Business Media
ISBN 13 : 1468434322
Total Pages : 302 pages
Book Rating : 4.4/5 (684 download)
Download or read book Carbon-13 NMR Shift Assignments of Amines and Alkaloids written by M. Shamma and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to gather under one cover most of the data presently available on the carbon-13 nuclear magnetic resonance (cmr) spectra of alkaloids. The term "alkaloids" is used here in a very broad sense to include synthetic analogues of the natural products. Simple model amines are also incorporated since these often supply the basic information required in the assignment of chemical shifts for the more complex compounds. The literature on alkaloid cmr spectroscopy has been covered through 1977, but the collec tion of compounds presented here is illustrative rather than exhaustive. The papers included in the reference list afford further information not only on the cmr assignments of the particular compounds provided here, but also incorporate data on additional related structures. Only a few dimeric indole alkaloids are included since to a large extent their cmr spectra can be corre lated directly with those of their monomeric analogues. The present volume is thus a representative empirical compendium of cmr assignments focusing upon alkaloids and model amines, and is intended to aid cmr research in heterocyclic and alkaloid chemistry. The compounds and data presented in this book are classified and organized according to structural similarity. The purpose of such a presenta tion is to demonstrate the common cmr characteristics of a given structural type, while also facilitating an empirical evaluation of the cmr spectral changes specifically reSUlting from relatively minor variations in oxidation level, substitution, or stereochemistry.
Author : J Stothers
Publisher : Elsevier
ISBN 13 : 0323145507
Total Pages : 574 pages
Book Rating : 4.3/5 (231 download)
Download or read book Carbon-13 NMR Spectroscopy written by J Stothers and published by Elsevier. This book was released on 2012-12-02 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon-13 NMR Spectroscopy focuses on the potential of 13C techniques and the practical difficulties associated with the detection of 13C NMR absorption. This monograph includes a descriptive presentation of 13C shielding results that has been adopted with emphasis on the structural and stereochemical aspects. Organized into four parts encompassing 11 chapters, this book starts with an overview of the characteristics of the NMR signals derived from compounds containing 13C nuclei in natural abundance that are inherently much weaker than those exhibited by protons. This monograph then compares the primary characteristics of 13C NMR with the more familiar proton methods. Other chapters consider the 13C spectra of pyridine, pyridazine, pyrimidine, pyrazine, s-triazine, and s-tetrazine. The final chapter deals with the effects of solute–solvent interactions on the shieldings of other nuclei. This monograph is intended for organic chemists, graduate students, and researchers in various branches of chemistry with an interest in 13C NMR methods as another approach to chemical problems.
