Phosphorus 31 Nmr Spectroscopy
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Phosphorous 31 Nmr
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Author : David G. Gorenstein
language : en
Publisher: Academic Press
Release Date : 2012-12-02
Phosphorous 31 Nmr written by David G. Gorenstein and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Phosphorous-31 NMR: Principles and Applications focuses on the evolution of phosphorus-31 nuclear magnetic resonance (NMR) as a widely applied spectroscopic probe of the structure and dynamics of phosphorus-containing compounds. The selection first offers information on the principles and empirical observations of phosphorus-31 chemical shifts and the principles and applications of phosphorus-31 spin-spin coupling constants. Discussions focus on introduction and basic principles, directly bonded phosphorus coupling constants, and two-bond and three-bond coupling constants. The text then ponders on phosphorus-31 NMR of enzyme complexes and paramagnetic probes of enzyme complexes with phosphorus-containing compounds. The manuscript elaborates on the use of chiral thiophosphates and the stereochemistry of enzymatic phosphoryl transfer and DNA and RNA conformations. Topics include helix-coil transitions, sequence dependence of double-stranded DNA conformations, dynamic behavior of RNA and DNA, biological and genetic significance, and stereochemical problems studied with chiral thiophosphates. The conformation and dynamics of nucleic acids and phosphoproteins, relaxation behavior of nucleic acids, and theory and applications of solid-state phosphorus-31 NMR to nucleic acids are also discussed. The selection is a valuable reference for readers interested in the principles and applications of phosphorus-31 nuclear magnetic resonance.
Phosphorus 31 Nmr Spectroscopy In Stereochemical Analysis
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Author : John G. Verkade
language : en
Publisher: Wiley-VCH
Release Date : 1987
Phosphorus 31 Nmr Spectroscopy In Stereochemical Analysis written by John G. Verkade and has been published by Wiley-VCH this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Science categories.
Phosphorus 31 Nmr Spectroscopy
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Author : Olaf Kühl
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-08-22
Phosphorus 31 Nmr Spectroscopy written by Olaf Kühl and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-08-22 with Science categories.
Nuclear Magnetic Resonance is a powerful tool, especially for the identification of 1 13 hitherto unknown organic compounds. H- and C-NMR spectroscopy is known and applied by virtually every synthetically working Organic Chemist. Con- quently, the factors governing the differences in chemical shift values, based on chemical environment, bonding, temperature, solvent, pH, etc. , are well understood, and specialty methods developed for almost every conceivable structural challenge. Proton and carbon NMR spectroscopy is part of most bachelors degree courses, with advanced methods integrated into masters degree and other graduate courses. In view of this universal knowledge about proton and carbon NMR spectr- copy within the chemical community, it is remarkable that heteronuclear NMR is still looked upon as something of a curiosity. Admittedly, most organic compounds contain only nitrogen, oxygen, and sulfur atoms, as well as the obligatory hydrogen and carbon atoms, elements that have an unfavourable isotope distribution when it comes to NMR spectroscopy. Each of these three elements has a dominant isotope: 14 16 32 16 32 N (99. 63% natural abundance), O (99. 76%), and S (95. 02%), with O, S, and 34 14 S (4. 21%) NMR silent. N has a nuclear moment I = 1 and a sizeable quadrupolar moment that makes the NMR signals usually very broad and dif cult to analyse.
Phosphorus 31 Nmr Spectroscopy
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Author : Olaf Kühl
language : en
Publisher: Springer
Release Date : 2009-08-29
Phosphorus 31 Nmr Spectroscopy written by Olaf Kühl and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-08-29 with Science categories.
Nuclear Magnetic Resonance is a powerful tool, especially for the identification of 1 13 hitherto unknown organic compounds. H- and C-NMR spectroscopy is known and applied by virtually every synthetically working Organic Chemist. Con- quently, the factors governing the differences in chemical shift values, based on chemical environment, bonding, temperature, solvent, pH, etc. , are well understood, and specialty methods developed for almost every conceivable structural challenge. Proton and carbon NMR spectroscopy is part of most bachelors degree courses, with advanced methods integrated into masters degree and other graduate courses. In view of this universal knowledge about proton and carbon NMR spectr- copy within the chemical community, it is remarkable that heteronuclear NMR is still looked upon as something of a curiosity. Admittedly, most organic compounds contain only nitrogen, oxygen, and sulfur atoms, as well as the obligatory hydrogen and carbon atoms, elements that have an unfavourable isotope distribution when it comes to NMR spectroscopy. Each of these three elements has a dominant isotope: 14 16 32 16 32 N (99. 63% natural abundance), O (99. 76%), and S (95. 02%), with O, S, and 34 14 S (4. 21%) NMR silent. N has a nuclear moment I = 1 and a sizeable quadrupolar moment that makes the NMR signals usually very broad and dif cult to analyse.
Phosphorus 31 Nmr Spectral Properties In Compound Characterization And Structural Analysis
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Author : Louis D. Quin
language : en
Publisher: VCH Publishers
Release Date : 1994
Phosphorus 31 Nmr Spectral Properties In Compound Characterization And Structural Analysis written by Louis D. Quin and has been published by VCH Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Science categories.
Presents advances in 31P NMR and coupling effects of the past six years (since VCH published its first jointly edited monograph on the subject). A wide cross-section of experts contribute a concise account of their use of 31P NMR in their own area of expertise, giving major emphasis to the research results they have obtained since the earlier monograph appeared. The volume is divided into nine sections: chemical shift theory; conformational analysis of phosphorus-containing ring systems; compounds with three-, four-, and five-coordinate phosphorus; low-coordinate phosphorus compounds; metal complexes of phosphorus ligands; biological phosphorus systems; mechanism elucidation in phosphorus chemistry; analytical and interpretive aspects; and NMR with solid phosphorus-containing systems. Annotation copyright by Book News, Inc., Portland, OR
Non Biological Aspects Of Phosphorus 31 Nmr Spectroscopy
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Author : David G. Gorenstein
language : en
Publisher:
Release Date : 1983
Non Biological Aspects Of Phosphorus 31 Nmr Spectroscopy written by David G. Gorenstein and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
Handbook Of Phosphorus 31 Nuclear Magnetic Resonance Data 1990
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Author : John C. Tebby
language : en
Publisher: CRC Press
Release Date : 2017-11-22
Handbook Of Phosphorus 31 Nuclear Magnetic Resonance Data 1990 written by John C. Tebby and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-22 with Science categories.
To fully utilize Nuclear Magnetic Resonance (NMR) spectroscopy, a comprehensive and well-organized compilation of NMR data is necessary. While compilations have been available for other important NMR nuclei, such as carbon and fluorine, no comprehensive collection of data has been prepared for phosphorus-until now. The CRC Handbook of Phosphorus-31 Nuclear Magnetic Resonance Data provides a collection of 31P NMR chemical shifts for nearly 20,000 organic and inorganic phosphorus compounds. Each class of phosphorus compound is discussed. Bond types, stereochemistry (with the exception of metal complexes), media, important coupling constants, and data sources are included. The information is systematically organized according to coordination state, the atoms bound to phosphorus, and their connectivities. A comprehensive series of bar charts is also included to allow structure types to be assigned to chemical shift data. This handbook is an invaluable resource for all scientists working with phosphorus compounds, including chemists, biochemists, medical researchers, and pharmaceutical chemists.
Handbook Of Phosphorus 31 Nuclear Magnetic Resonance Data
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Author : John C. Tebby
language : en
Publisher: CRC Press
Release Date : 1990-12-26
Handbook Of Phosphorus 31 Nuclear Magnetic Resonance Data written by John C. Tebby and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-12-26 with Science categories.
To fully utilize Nuclear Magnetic Resonance (NMR) spectroscopy, a comprehensive and well-organized compilation of NMR data is necessary. While compilations have been available for other important NMR nuclei, such as carbon and fluorine, no comprehensive collection of data has been prepared for phosphorus-until now. The CRC Handbook of Phosphorus-31 Nuclear Magnetic Resonance Data provides a collection of 31P NMR chemical shifts for nearly 20,000 organic and inorganic phosphorus compounds. Each class of phosphorus compound is discussed. Bond types, stereochemistry (with the exception of metal complexes), media, important coupling constants, and data sources are included. The information is systematically organized according to coordination state, the atoms bound to phosphorus, and their connectivities. A comprehensive series of bar charts is also included to allow structure types to be assigned to chemical shift data. This handbook is an invaluable resource for all scientists working with phosphorus compounds, including chemists, biochemists, medical researchers, and pharmaceutical chemists.
31p And 13c Nmr Of Transition Metal Phosphine Complexes
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Author : Paul S. Pregosin
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
31p And 13c Nmr Of Transition Metal Phosphine Complexes written by Paul S. Pregosin and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
For almost a quarter of a century the words "nuclear magnetic reso nance" were synonymous with proton I,leasurements. During this period the literature abounded with a seemingly infinite variety of 1H NHR studies concerned primarily with carbon chemistry. Occasionally a "novel" nucleus was studied and, even in those early days, the poten- 13 14 31 19 tial offered by C, N, P and F was clearly recognized. Despite the allure, the technical difficulties involved in measuring some of these nuclei were far from trivial. Small magnetic moments and low natural abundance in combination with spin-spin coupling from other nuclei, mostly protons, resulted in a signal-to-noise problem whose severity effectively excluded the study of metal complexes with unfa vorable solubility characteristics. The first important breakthrough came with the advent of broad band 1H-decoupling. For example, the featureless broad 31p resonance associated with the commonly used ligand triphenyl phosphine is converted to a sharp, more readily ob served singlet when wide-band decoupling is employed (see Fig. 1). Despite this improvement investigation of more interesting molecules, such as catalytically active complexes was forced to await the devel opment of Fourier Transform methods since only with relatively rapid signal averaging methods could sufficient signal-to-noise ratios be achieved.
Handbook Of Phosphorus 31 Nuclear Magnetic Resonance Data 1990
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Author : John C. Tebby
language : en
Publisher: CRC Press
Release Date : 2017-11-22
Handbook Of Phosphorus 31 Nuclear Magnetic Resonance Data 1990 written by John C. Tebby and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-22 with Science categories.
To fully utilize Nuclear Magnetic Resonance (NMR) spectroscopy, a comprehensive and well-organized compilation of NMR data is necessary. While compilations have been available for other important NMR nuclei, such as carbon and fluorine, no comprehensive collection of data has been prepared for phosphorus-until now. The CRC Handbook of Phosphorus-31 Nuclear Magnetic Resonance Data provides a collection of 31P NMR chemical shifts for nearly 20,000 organic and inorganic phosphorus compounds. Each class of phosphorus compound is discussed. Bond types, stereochemistry (with the exception of metal complexes), media, important coupling constants, and data sources are included. The information is systematically organized according to coordination state, the atoms bound to phosphorus, and their connectivities. A comprehensive series of bar charts is also included to allow structure types to be assigned to chemical shift data. This handbook is an invaluable resource for all scientists working with phosphorus compounds, including chemists, biochemists, medical researchers, and pharmaceutical chemists.