Chemistry Letters · 1986 · 31 citations · 6 references
Natural SciencesChemistryCatalysisInorganic ChemistryOrganic ChemistryCoordination ChemistryHeterocyclic ChemistryMetal-ligand BondingReaction MechanismsTransition Metal ChemistryTransition Metal ComplexesNickel CatalysisNickel CatalystsTransition Metal-catalyzed SynthesisTransition-metal-catalyzed FunctionalizationUllmann Coupling
Abstract The low valent nickel complexes generated in situ from nickel(II) chloride, triphenylphosphine, sodium iodide, and zinc powder in dimethylformamide catalyze the Ullmann-type homo-coupling of aryl trifluoromethanesulfonates to biaryls under ultrasounds irradiation.
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Ernest Wenkert, Enrique L. Michelotti, Charles S. Swindell · Journal of the American Chemical Society · 1979 · 385 citations