5-Hydrazino-2-pyrazolines

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 1987 English Publisher:Springer Science and Business Media LLCJournal:Chemistry of Heterocyclic Compounds, volume 23, pages 967-974 (issn: 0009-3122, eissn: 1573-8353,

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Authors: K. N. Zelenin; M. Yu. Malov; I. V. Zerova; P. B. Terent'ev; A. G. Kalandarishvili;

doi: 10.1007/bf00475362

5-Hydrazino-2-pyrazolines

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Abstract

1-Acyl-5-hydrazino-2-pyrazolines have been obtained by reaction of the appropriate hydrazines with aliphatic 1,3-diketones, 1-acyl-5-hydroxy-2-pyrazolines, and 1-acyl-5-methylene-2-pyrazolines. The latter were synthesized by acylating 3,4,4,5-tetramethyl-4H-pyrazole with carboxylic anhydrides. The structures of the products were established by 1H and 13C NMR spectroscopy and mass spectrometry.

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Lomonosov Moscow State University
Russian Federation

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