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Activated Nitriles in Heterocyclic Synthesis: A Novel Synthesis of Pyrano[2,3-c]pyrazoles

Mohamed H. Elnagdi, Sadek E. Abdou, Sherif Mahmoud Fahmy, Kamal Usef Sadek, Mohamed Hilmy Elnagdi

Heterocycles · 1981 · 51 citations · 0 references

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Abstract

A novel synthesis of pyrano[2,3-clpyrazolea is reported via reaction of $-phenylacrylonitrile with 3-methyl-2-