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Isomerization and conjugation characteristics of the CN double bond. III — 15 N NMR studies of tautomerism in 2‐phenylamino‐2‐thiazoline and its thiazine analogue
Author(s) -
Tóth Gábor,
Almásy Attila
Publication year - 1982
Publication title -
organic magnetic resonance
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0030-4921
DOI - 10.1002/mrc.1270190412
Subject(s) - tautomer , thiazoline , isomerization , thiazine , chemistry , chloroform , nuclear magnetic resonance spectroscopy , spectroscopy , stereochemistry , computational chemistry , medicinal chemistry , organic chemistry , catalysis , physics , quantum mechanics
15 N NMR Spectroscopy shows, contrary to earlier suggestions, that 2‐phenylamino‐2‐thiazoline and its thiazine analogue are present in chloroform as an equilibrium of imino and amino tautomers in the ratio of 62:38 and 74:26, respectively.
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