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5-Hydroxy-2-pyrazolines and Some of Their 1-Substituted Analogs

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The use of 1,3-dicarbonyl compounds containing strong electron-withdrawing substituents (perfluoroalkyl, 4-nitrophenyl) at one of the carbonyl groups in reaction with hydrazine or its monosubstituted derivatives (4-nitro- and 2,4-dinitrophenylhydrazines) leads to the formation of stable intermediates for the synthesis of pyrazoles (5-hydroxy-2-pyrazolines) or their linear tautomers (hydrazones).

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Authors and Affiliations

  1. Military Medical Academy, St. Petersburg, Russia, 194044

    K. N. Zelenin, A. R. Tugusheva & V. V. Alekseev

  2. St. Petersburg State University, St. Petersburg, 199004, Russia

    S. I. Yakimovich & E. V. Zerova

Authors
  1. K. N. Zelenin
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  2. A. R. Tugusheva
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  3. S. I. Yakimovich
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  4. V. V. Alekseev
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  5. E. V. Zerova
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Zelenin, K.N., Tugusheva, A.R., Yakimovich, S.I. et al. 5-Hydroxy-2-pyrazolines and Some of Their 1-Substituted Analogs. Chemistry of Heterocyclic Compounds 38, 668–676 (2002). https://doi.org/10.1023/A:1019909117505

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