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Phosphorus-31 NMR Spectroscopy : A Concise Introduction for the Synthetic Organic and Organometallic Chemist /

Contributor(s): K�hl, Olaf [editor.2 ] | SpringerLink (Online service)0.
Material type: materialTypeLabelBookBerlin, Heidelberg : Springer Berlin Heidelberg, 2008. Description: XIV, 132 p. 145 illus. online resource.Content type: text Media type: computer Carrier type: online resourceISBN: 9783540791188.Subject(s): Chemistry | Analytical chemistry | Inorganic chemistry | Organic chemistry | Organometallic chemistry | Polymers | Catalysis.1 | Chemistry.2 | Organic Chemistry.2 | Organometallic Chemistry.2 | Analytical Chemistry.2 | Inorganic Chemistry.2 | Polymer Sciences.2 | Catalysis.1DDC classification: 547 Online resources: Click here to access online
Contents:
Short Review of NMR Theory -- The Range of Chemical Shifts, Coupling Constants, and What Influences Each -- Oxidation State from P(-III) over P(0) to P(+V) -- ?5-phosphanes -- ?3-Phosphanes -- Main Group Compounds -- Transition Metal Complexes.
In: Springer eBooks08Summary: 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.
List(s) this item appears in: CHM668
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PK Kelkar Library, IIT Kanpur
Available EBK9743
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Short Review of NMR Theory -- The Range of Chemical Shifts, Coupling Constants, and What Influences Each -- Oxidation State from P(-III) over P(0) to P(+V) -- ?5-phosphanes -- ?3-Phosphanes -- Main Group Compounds -- Transition Metal Complexes.

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.

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