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Report | Regular issue | Vol 19, No. 9, 1982, pp.1637-1640
Published online, 1st January, 1970
DOI: 10.3987/R-1982-09-1637
Activated Nitriles in Heterocyclic Synthesis: A Novel Synthesis of 4-Hydroxy- and 4-Aminopyrano[2,3-c]pyrazoles

Bahia Y. Riad, Fathy A. Khalifa, Fathy M. Abdel Galil, and Mohamed H. Elnagdi

*Department of Chemistry, Faculty of Science, , University of Cairo, Giza, Egypt

Abstract

A novel synthesis of pyrano[2,3-c]pyrazoles via the reaction of β-functional nitriles with 4-α-hydroxyethylene-and 4-α-aminoethylene-3-methyl-2-pyrazolin-5-one derivatives is reported.