Syntheses of Fused Tetracyclic Quinolines via Ugi-Variant MCR and Pd-Catalyzed Bis-annulation

Abstract

Diversity-oriented synthesis of fused tetracyclic 6,11-dihydroquinoxalino[2,3-b]quinolines is described via a sequential Ugi-variant multicomponent reaction and Pd-catalyzed bis-annulation in one-pot process.