Regioselective synthesis of aryl hydrazides by palladium-catalyzed coupling of t-butylcarbazate with substituted aryl bromides

Article abstract of DOI:10.1016/S0040-4039(99)00561-4

Substituted aryl bromides are coupled with t-butylcarbazate in the presence of a palladium catalyst and base to afford regioselectively, the corresponding amidation product or amination product depending upon the position of the substituents on the aryl b