E-Journal of Chemistry (Jan 2012)
Synthesis of Benzopyranophenazines via Isocyanide-Based Three-Component Reactions
Abstract
Benzo[a]pyrano[2,3-c]phenazines were synthesized in good yields by a three-component reaction of benzo[a]phenazin-5-oles, isocyanides and dialkyl acetylendicarboxylates In refluxing ethanol.