Activated Nitriles in Heterocyclic Synthesis: Synthesis of Pyrano[2,3-C] Pyrazole Derivatives

Maghraby Ali Selim¹, Fawy Mohamed Abd El Latif², Ali Kamel Khalafallah², and Magda Abd El Aziz Barsy¹

¹Department of Chemistry, Faculty of Science, Assiut University, Oena Branch Egypt. ²Department of Chemistry, Faculty of Science, Assiut University, Aswan Branch Egypt.

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ABSTRACT:

Several pyrano pyrazole derivatives were obtained from the reaction of 1,1-dicyano or 1 cyano-1- ethoxy carbonyl 2-arylethylene and N-substituted-3-phenyl-5-pyrazolone.

KEYWORDS:

Nitriles; Heterocyclic; Pyrazole; 2-arylethylene