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Hydrogen-bonding basicity of 1-methyl-2-pyridone and of the nitrogen atom of pyridine derivatives toward imides

✍ Scribed by Hine, Jack; Hwang, Jeongsug; Balasubramanian, V.

Book ID
121875264
Publisher
American Chemical Society
Year
1988
Tongue
English
Weight
395 KB
Volume
53
Category
Article
ISSN
0022-3263

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Preferential protonation and methylation
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✍ Giorgio Barbieri; Rois Benassi; Romano Grandi; Ugo Maria Pagnoni; Ferdinando Tad πŸ“‚ Article πŸ“… 1979 πŸ› John Wiley and Sons 🌐 English βš– 363 KB

## Abstract The relative reactivity toward protonation and methylation of the two nitrogen atoms in __N__,__N__‐dimethylaminopyridines has been examined by ^1^H NMR. The ring position of the dimethylamino group has no influence on protonation, which occurs in all the derivatives at the heterocyclic