SEARCH Articles Figures Tables Copper Ullmann coupling Copper Ullmann reaction Copper couples Copper ligands Copper promoted coupling Copper type Copper-catalyzed coupling Copper-catalyzed reactions Ligand coupling Ligands ligand promoted couplings Promoter ligands Promoters reaction Reactions Ullmann reaction Ullmann copper Ullmann coupling Ullmann coupling reaction Ullmann reaction Ullmann-type coupling Ullmann-type coupling reactions Ullmann-type reactions