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Proton and carbon-13 NMR studies of 1-substituted pyridinium salts (1989)

Katritzky, Alan R. ; Dega-Szafran, Zofia

Chichester : Wiley-Blackwell

Organic Magnetic Resonance 27 (1989), S. 1090-1093

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ISSN: 0749-1581

Keywords: 1H NMR ; 13C NMR ; 1-Substituted pyridinium salts ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: 1H and 13C NMR chemical shifts of a series of 1-substituted pyridinium salts were measured in dimethyl sulfoxide. The effect of the quaternary pyridinium ring on the resonance of the methylene group of the substituent is reported. Increments of δ1H = 3.89 ± 0.16 ppm and δ13C = 47.5 ± 3.7 ppm and are estimated for replacing YCH2H with YCH2Py+. The effects of 1-substituents on the pyridinium ring chemical shifts are discussed.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/mrc.1260271113

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