Chemistry of Heterocyclic Compounds p. 1031 - 1034 (1985)
Update date:2022-07-30
Topics:
Zelenin, K. N.
Golubeva, G. A.
Afanas'eva, S. V.
Sviridova, L. A.
Bezhan, I. P.
et al.
1-Acetyl-5-hydroxy-2-isopropyl(phenyl)pyrazolidines, as well as 1-hydroxyperhydropyrazolo<1,2-a>-4H-pyridazine-5,8-dione, react readily with alkyl, aryl, and acylhydrazines and hydroxylamine to give the corresponding products of substitution of the OH group, which, depending on the nature of the hydrazine, exist in the linear β-hydrazidohydrazone (oxime) form or in the form of cyclic tautomer, viz., the corresponding 1-acetyl-5-hydrazinopyrazolidine
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