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1,1-Dialkyl-2-acyl-3-hydroxypyrazolidinium and 2,2-dialkyl-5-hydroxyisoxazolidinium salts

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

Salts of 1,1-dimethyl-2-acylhydrazines and 1,1-dialkylhydroxylamines add quantitatively to the double bond of oxo compounds with an unsubstituted vinyl substituent. The structure of the products depends on the nature of the substituent at the carbonyl group.1H and13C NMR spectroscopy indicated that acrolein derivatives have the cyclic structure of 1,1-dialkyl-2-acyl-3-hydroxypyrazolidinium and 2,2-dialkyl-5-hydroxyisoxazolidinium salts, while derivatives of phenyl vinyl ketone and hydrazide salts are the corresponding linear, hydrazinium salts. Ring-chain tautomerism was found for several derivatives of methyl vinyl ketone in solution.

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Authors
  1. K. N. Zelenin
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  2. L. F. Mel'nikova
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  3. I. P. Bezhan
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  4. I. V. Lagoda
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  5. B. A. Chakchir
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Additional information

Military Medical Academy, 194175 St. Petersburg. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1199–1203, September, 1998.

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Zelenin, K.N., Mel'nikova, L.F., Bezhan, I.P. et al. 1,1-Dialkyl-2-acyl-3-hydroxypyrazolidinium and 2,2-dialkyl-5-hydroxyisoxazolidinium salts. Chem Heterocycl Compd 34, 1027–1031 (1998). https://doi.org/10.1007/BF02251546

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  • DOI: https://doi.org/10.1007/BF02251546

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