An efficient, rapid, and regioselective bromination of anilines and phenols with 1-butyl-3-methylpyridinium tribromide as a new reagent/solvent under mild conditions
... Tetrahedron Letters. Volume 50, Issue 9, 4 March 2009, Pages 1007–1009. ... 8 Bronsted acidic ionic liquids have been successfully applied to a variety of reactions including esterification of carboxylic acids, 9 protection of aldehyde and ketone, 10 and cleavage of ethers. ...