Chemistry of Heterocyclic Compounds p. 772 - 779 (1989)
Update date:2022-08-04
Topics:
Zelenin, K. N.
Malov, M. Yu.
Ershov, A. Yu.
Terent'ev, P. B.
Kalandarishvili, A. G.
et al.
It was established by the methods of 1H and 13C NMR spectroscopy that the oximohydrazones and bis(hydrazones) of aroylacetic aldehydes exist in the form of the corresponding 5-hydrazino- and 5-hydroxyamino-3-aryl-pyrazolines and -2-isoxazolines.The features of the aromatization of these compounds to the corresponding pyrazoles and isoxazoles were studied.Data on the mass-spectral study of the 5-hydroxyamino-2-pyrazoline-5-hydrazino-2-isoxazoline tautomerism in the gas phase are presented.
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