[Et3NH][HSO4] catalyzed one-pot synthesis of 14-aryl-14H-dibenzo[a,j] xanthenes under solvent-free conditions

Authors

College of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan 430074, P. R. China.

Abstract

A simple and environmentally benign procedure for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes by a one-pot condensation of 2-naphthol with aromatic aldehyde in the presence of [Et3NH][HSO4] as an acidic ionic liquid catalyst under solvent-free conditions has been developed. The reaction work-up is very simple and the catalyst can be easily separated from the reaction mixture and reused several times in subsequent reactions.

Keywords


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