Abstract An efficient protocol was developed to prepare indole-fused oxazinones using silver nitrate. The latter substrates were subjected to multicomponent reactions in the presence of 18-crown-6, which afforded diverse new… Click to show full abstract
Abstract An efficient protocol was developed to prepare indole-fused oxazinones using silver nitrate. The latter substrates were subjected to multicomponent reactions in the presence of 18-crown-6, which afforded diverse new heterocycles based on an indole-fused oxazinone-1,2,3-triazole scaffold. GRAPHICAL ABSTRACT
               
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