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13C NMR investigation of tautomeric and acid-base equilibria of pyrazolone T and three analogs

โœ Scribed by Sandra J. Bell; Eugene P. Mazzola; Michael J. Dinovi; William F. Reynolds; Kathy W. Nielsen


Book ID
112129983
Publisher
Journal of Heterocyclic Chemistry
Year
1991
Tongue
English
Weight
344 KB
Volume
28
Category
Article
ISSN
0022-152X

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13C and 17O NMR spectra are reported for three series of Schi โ€  bases : 2-(aminomethylene)cyclohexanones (1), salicylideneamines (2) and N-(2-hydroxy-1-naphthalenylmethylene)amines (3). The 13C and 17O NMR data show that Schi โ€  bases 1 exist in ketoenamine form, 2 in enolimine form and 3 as an equil