Abstract
Previously unknown substituted pyrazoles were obtained by the reaction of the 2-cyanoethylhydrazones of aryl methyl ketones and 5-methylfur-2-yl methyl ketone with the Vilsmeier-Haack reagent.
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Bukovina State Medical Academy, Chernovtsy. Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Kiev, Ukraine. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1219–1221, September, 1999.
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Bratenko, M.K., Chornous, V.A., Voloshin, N.P. et al. Polyfunctional pyrazoles. 1. Synthesis of 3-aryl-1-(2-cyanoethyl)-4-formylpyrazoles and their 3-(5-methylfur-2-yl)-substituted analog. Chem Heterocycl Compd 35, 1075–1077 (1999). https://doi.org/10.1007/BF02251799
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DOI: https://doi.org/10.1007/BF02251799