|Carbon-Carbon and Carbon-Proton Nmr Couplings: Applications to Organic Stereochemistry and Conformational Analysis (Methods in Stereochemical Analysis)
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Author: James L. Marshall
This comprehensive survey of long-range carbon-proton (13C-1H) and carbon-carbon (13C-13C) couplings contains all the information needed to apply successfully this advanced method of instrumental analysis. It discusses the special considerations that apply particularly to the acquisition of carbon coupling data via Fourier transform NMR spectroscopy and refers to corresponding proton-proton couplings in cases where they apply to carbon-proton and carbon-carbon couplings. It also gives particular attention to the troublesome problem of determining the signs of carbon couplings.
|Electromagnetic Waves in Chiral and Bi-Isotropic Media (Artech House Antenna Library)
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Author: A.H. Sihvola
For scientists, research engineers, physicists and postgraduate students, this work introduces the essential aspects of electromagnetic waves in chiral and bi-isotropic media, to give the practical working knowledge necessary for new application development. It includes sections on effective methods of measurement, how chiral and BI media affect electromagnetic fields and wave propagation, and how to apply the theory to basic problems in waveguide, antenna and scattering analysis.
|Stereoselectivity in Synthesis
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Author: Tse-Lok Ho
Many chemicals are found in "right-" and "left-handed" forms that may react differently in the body. In planning a synthesis, chemists must know how to select the best method for making the preferred form of a chemical. This book shows how to choose the best method for a given synthesis. It provides readers with a thorough understanding of stereoselectivity in organic and medicinal chemistry as well as the pharmaceutical, agricultural, and food industries.
|Introduction to Stereochemistry and Conformational Analysis
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Author: Eusebio Juaristi
Stereochemistry remains an actively changing area of knowledge. Topics include chirality, the determination of absolute configurations, stereochemical descriptors, chiroptic properties, asymmetric synthesis, the resolution of racemates, confirmational analysis of both alkanes and heterocycles and much more. In addition to figures, equations and tables, it is profusely illustrated with examples both historical and current.
|The Nuclear Overhauser Effect in Structural and Conformational Analysis, 2nd Edition
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Author: David Neuhaus
An authoritative review of the state of the art in the Nuclear Overhauser Effect-essential information for organic chemists, biochemists, biophysicists, and NMR spectroscopists
The field of NMR spectroscopy has seen tremendous growth in the last twenty years, particularly advances relating to Nuclear Overhauser Effect (NOE) spectroscopy-the most powerful technique for obtaining structural information on molecules in solution. Extensive and engaging, the Second Edition of the leading reference on the NOE is significantly updated to reflect the latest changes and new approaches in the field.
Neuhaus and Williamson provide an essential guide to the complexities and use of the NOE in a readily accessible, straightforward manner. Their practical handbook features a new chapter addressing the use of NOE data to calculate biomolecular structures. Chapters dealing with the kinetics of the NOE, the effects of exchange and internal motion, and applications of the NOE, are also extensively revised. Cross-referenced in remarkable depth, The Nuclear Overhauser Effect is organized into three main parts:
* Part I describes the theory of the Nuclear Overhauser Effect in a clear, comprehensive fashion
* Part II discusses the considerations involved in implementing NOE experiments, including full coverage of all necessary details for both new and established techniques
* Part III offers examples of how the NOE is used, including applications to defining molecular geometry, stereochemistry, conformation, and biomolecular structure and interactions
The Nuclear Overhauser Effect in Structural and Conformational Analysis, Second Edition, uniquely explains the NOE in detail, making it an indispensable resource for the novice as well as the experienced NMR researcher.
|The Anomeric Effect and Associated Stereoelectronic Effects (Acs Symposium Series)
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Discusses contemporary experimental and computational studies on the anomeric effect and related stereoelectronic effects and presents conflicting data and theories in this highly controversial area. Explores applications in carbohydrate chemistry, including enzymology, as well as organometallic chemistry and the chemistry of phosphates and sulfates. Includes examination of molecular modeling methods in compounds influenced by stereoelectronic effects.
|The Chemistry of the Allenes, Vol. 3: Stereochemical, Spectroscopic, and Special Aspects
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|Inorganic Stereochemistry (Inorganic Chemistry Concepts)
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Author: David L. Kepert
|Materials for Nonlinear Optics: Chemical Perspectives (Acs Symposium Series)
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This volume exposes the chemistry community to the critical role that chemistry can and must play in nonlinear optics research. In addition, it brings together those researchers who synthesize and characterize materials from a variety of systems, with those who build devices, giving chemists, physicists, and engineers a greater appreciation for the opportunities that lie ahead in understanding and developing nonlinear optical materials. The volume begins with a discussion of polarizability and hyperpolarizability from the view of a chemist. Tutorial chapters dealing with the fundamental structures and properties of second- and third-order nonlinear optical materials, measurement and characterization of these systems, theoretical considerations, application of these systems to devices, and overviews of the current state of affairs in both organic and inorganic nonlinear optical materials follow.
|Organic Conformational Analysis and Stereochemistry from Circular Dichroism
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Author: David A. Lightner
A unique guide to variable temperature CD spectroscopy and its application in organic chemistry
This timely, original, thought-provoking work looks at organic stereochemistry from the perspective of circular dichroism (CD), using variable temperature CD spectroscopy to determine the conformation or absolute configuration of chiral molecules. With an emphasis on the analysis of optically active ketones and the carbonyl chromophore, the authors demonstrate the advantages of this highly sensitive spectroscopic tool for obtaining stereochemical information in diverse areas of organic chemistry, biochemistry, and medicinal/pharmaceutical chemistry. They combine detailed examples of stereochemical analysis with clear, thorough presentations, correlating chiroptical data with molecular mechanics calculations as well as data from NMR spectroscopy and other spectroscopic techniques. In addition, they provide a systematic survey of the professional literature, featuring an extraordinary collection of original CD spectra run at varying temperatures. Coverage includes:
* Chiroptical measurements: CD and ORD (Optical Rotatory Dispersion)
* Conformational analysis of compounds ranging from simple cyclic ketones to polycyclics
* Conjugated and homoconjugated systems
* Stereochemistry of the carbon-carbon double bond
* Stereochemistry from exciton coupling of two or more chromophores
* An interesting historical account of the development of stereochemical concepts