Substituted isoindoloquinolinones were obtained from N-aryl-3-hydroxyisoindolinones and aryl alkynes under Lewis acid-catalyzed conditions in 30-99% yields.
Keywords: Aryl alkynes; Inverse electron demand cycloaddition; Lewis acid; N-Acyliminium ion; N-Aryl-3-hydroxyisoindolinones.