Dipolar Cycloaddition Reactions with Quinazolinones: a New Synthesis of Azoloquinazolinone Derivatives

Abstract

Several new pyrroloquinazolinone derivatives are synthesised via a novel route involving the action of dipolarophiles on the diionic species generated in situ from the reaction of N-chlorosuccinimide with 2-methylquinazolin-4-one and subsequent treatment with triethylamine.