1: potassium acetate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / dimethyl sulfoxide / 24.08 h / 80 °C / |Inert atmosphere; |Schlenk technique 2: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate / water; ethylene glycol dimethyl ether / 3 h / 80 °C / |Inert atmosphere; |Schlenk technique 3: potassium carbonate; 2-(dicyclohexylphosphino)-2',4',6'-tri-i-propyl-1,1’-biphenyl / isopropyl alcohol / 16 h / 110 °C / |Inert atmosphere; |Sealed tube View Scheme

With  iodine cloride in  dichloromethane T=20°C;