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Application of 15 N NMR to a quantitative investigation of tautomerism in some thiolopyridines
Author(s) -
Stefaniak L.,
Webb G. A.,
Brevard C.,
Bourdonneau M.,
Lejeune R.,
Thunus L.,
Lapière C. L.
Publication year - 1985
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1260230923
Subject(s) - tautomer , chemistry , nitrogen atom , pyridine , computational chemistry , nitrogen , carbon 13 nmr , electromagnetic shielding , proton nmr , organic chemistry , ring (chemistry) , electrical engineering , engineering
15 N NMR shielding measurements are reported for a series of derivatives of some thiolopyridines. The results obtained are used to provide quantitatively reliable estimates of three tautomeric equilibria involving the pyridine nitrogen atom.