Abstract
New, biologically active pyrazole derivatives containing an unsaturated γ-lactone ring were obtained by condensation of 2-(1-etboxycarbonyl-1,3-diketopropyl)-2-buten-4-olides with phenylhydrazine and hydrazine hydrate. A number of transformations of the resulting pyrazole-3-carboxylic acid esters were realized.
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A. A. Avetisyan, A. N. Dzhandzhapanyan, S. Kh. Karagëz, and M. T. Dangyan, Arm. Khim. Zh., 30, 90 (1977).
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See [1] for communication XXXIV.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1611–1614, December, 1978.
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Avetisyan, A.A., Dzhandzhapanyan, A.N. & Dangyan, M.T. Unsaturated lactones. Chem Heterocycl Compd 14, 1308–1310 (1978). https://doi.org/10.1007/BF00487395
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DOI: https://doi.org/10.1007/BF00487395