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■ Studies on the Chemical Transformations of Simple Condensates Derived from 3-Formylchromone under Nucleophilic Conditions

Magdy A. Ibrahim* and Nasser M. El-Gohary

*Department of Chemistry, Faculty of Education, Ain Shams University, Roxy, Cairo 11711, Egypt

Abstract

The chemical reactivity of the simple condensates 1 and 2, derived from 3-formylchromone, was studied towards some nucleophilic reactions. Reactions of compounds 1 and 2 with some nucleophilic reagents mainly proceed via nucleophilic addition at the exocyclic vinyl bond followed by either elimination or cyclization during the course of reactions. A variety of products were obtained depending on the substrate and the nucleophile used.