Novel Reaction of Indoles and Pyrrole with Pyrillium Catalyzed by Ceric Ammonium Nitrate (CAN).

TLDR: In this paper, the reaction of xanthene derivatives with indoles and pyrrole catalyzed by CAN in methanol through S N 1 reaction of -pyrillium with a nucleophilic reagent afforded the corresponding -indole-and pyrdrug-substituted xanthen derivatives in high yields, respectively.

Abstract: The reaction of xanthene derivatives with indoles and pyrrole catalyzed by CAN in methanol through S N 1 reaction of -pyrillium with a nucleophilic reagent afforded the corresponding -indole- and pyrrole-substituted xanthene derivatives in high yields, respectively.