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Carbon-13 magnetic resonance spectra of quaternary ammonium salts derived from enamino ketones

✍ Scribed by Janusz Dabrowski; Krystyna Kamieńska-Trela; Lech Kozerski

Publisher
John Wiley and Sons
Year
1974
Tongue
English
Weight
209 KB
Volume
6
Category
Article
ISSN
0749-1581

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✦ Synopsis

Abstract

^13^C magnetic resonance spectra of nine quaternary ammonium salts of the general formula R^1^C^1^(O)C^2^HC^3^HNR~3~^4^Cl (where R^1^, R^4^ = alkyl) were obtained and compared with those of the parent amino compounds. The chemical shift differences between these two classes of compounds are qualitatively accounted for by π‐electron density changes. Steric effects and hyperconjugation of the alkyl substituents are also discussed.

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