Ahmed M. El-Agrody, Hussein A. Emam, Mamdouh H. El-Hakim, Mohsen S. AbdEl-latif and Ashraf H. Fakery
Several newnaphtho[2′,1′:5,6]pyrano[2,3-d ]pyrimidineshave been synthesized via hydrazinolysis of a2-ethoxymethylideneaminonaphtho[1,2-b ]pyran;polysubstitutedpyrano[3,2-e ][1,2,4]triazolo[1,5-c ]pyrimidineshave also been prepared.