NMR Spectroscopy Background

13C NMR is more recent, in part because 13C is a less common isotope, with an abundance of only 1.1%. It does, however, employ a wider spectroscopic range, and is quite capable of being employed quantitatively. 

Source E. M. Dickinson, Structural Comparison of Petroleum Fractions Using Proton and 13C n.m.r. Spectroscopy, Fuel, vol. 59, pp. 290-294 (1980). With permission. 

The wider spectrum range (0 to 220 ppm) for 13C NMR has also been accompanied by the development of means to obtain full peak intensities, which results in sharp spectra. Like H NMR spectra, these spectra can be integrated to give quantitative results. 

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Kessler, H., Gehrke, M., Griesinger, C., Two-Dimensional NMR Spectroscopy Background and Overview of the Experiments, Angew. Chem. Int. Ed. Engl., 1988, 27,490... 

From Kessler H, Gehrke M, and Griesinger C (1988) Two-dimensional NMR spectroscopy background and overview of the experiments. Angewandte Chemie (IntemaHonal Edition in English) 27 490-536. 

This series of books is to give the newcomer to physical NMR spectroscopy the necessary information, the theoretical background and the practice to acquire NMR spectra, to process the measured raw data from modern routine homo- and heteronuclear ID and 2D NMR experiments, to evaluate NMR parameters, to generate and exploit dedicated data bases and finally to establish molecular structures. 

Study the Basics of NMR spectroscopy Introduction, Math Background, Fourier Transforms, Practical Considerations. 

The aim of this text is to introduce the fascinating topic of the hyphenation of chromatographic separation techniques with nuclear magnetic resonance spectroscopy to an interested readership with a background either in organic, pharmaceutical or medical chemistry. The basic principles of NMR spectroscopy, as well as those of separation science, should previously be known to the reader. 

The focus of this edition remains the same as that for the first, namely, to make electrochemistry an attractive, useful characterization methodology for chemists [comparable to infrared (IR), nuclear magnetic resonance (NMR) spectroscopy, and mass spectrometry (MS)]. The goal is to outline the basic principles and modem methodology of electrochemistry in such a way that the uninitiated may gain sufficient background to use electrochemical methods for the study of chemical systems. Thus chemical problems that are amenable to an electrochemical approach are introduced as representative examples. 

Virtually, all students of chemistry, biochemistry, pharmacy and related subjects learn how to deduce molecular structures from nuclear magnetic resonance (NMR) spectra. Undergraduate examinations routinely set problems using NMR spectra, and masters and doctoral theses describing novel synthetic or natural products provide many examples of how powerful NMR has become in structure elucidation. Existing texts on NMR spectroscopy generally deal with the physical background of the newer and older techniques as well as the relationships between NMR parameters and chemical structures. Very few, however, convey the know-how of structure... 

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