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■ 1,3-Dipolar Cycloadditions of Polycyclic Aromatic Hydrocarbons with Nitrile Oxides under Microwave Irradiation in the Absence of Solvent

Antonino Corsaro,* Ugo Chiacchio, Vito Librando, Salvatore Fisichella, and Venerando Pistarà

*Dipartimento di Scienze Chimiche, Università di Catania, Viale A. Doria 6, I-95125 Catania, Italy

Abstract

In title cycloadditions microwave irradiation improves product yields and reduces dramatically reaction times in comparison with classical heating with and without refluxing solvents. In the double cycloaddition of nitrile oxides to anthracene a selectivity in favour of unsymmetrical bis-cycloadduct is observed.