Qualitative Applications of the NMR Spectra of Alkylpyridines: Part I. Chemical Shifts of the Ring Protons
Applied Spectroscopy, Vol. 22, Issue 4, pp. 325-329 (1968)
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Abstract
Spectroscopic identification of pyridine compounds isolated from complex substances such as shale oil is greatly aided by NMR chemical-shift data on the pyridine-ring protons. Chemical shifts of the ring protons in CCl4 and C6H6 solution and the differential shift of the protons in these two solvents are reported. A paramagnetic shift is observed in the directional character of the proton alpha to the nitrogen in the pyridine ring. These data are used to determine structural information from the spectrum of a mixture of pyridine homologs.
Citation
F. R. McDonald, A. W. Decora, and G. L. Cook, "Qualitative Applications of the NMR Spectra of Alkylpyridines: Part I. Chemical Shifts of the Ring Protons," Appl. Spectrosc. 22, 325-329 (1968)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-22-4-325
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