Palladium-catalyzed unsymmetrical aryl couplings in sequence leading to o-teraryls: dramatic olefin effect on selectivity
作者:Elena Motti、Nicola Della Ca’、Sara Deledda、Emanuela Fava、Francesca Panciroli、Marta Catellani
DOI:10.1039/c000526f
日期:——
Selectively substituted o-teraryls are obtained by palladium/norbornene-catalyzed reaction of aryl iodides, aryl bromides and aryl boronic acids in ordered sequence; high selectivity is attained thanks to the addition of diethyl maleate acting as palladium ligand.