potassium acetate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in dimethyl sulfoxide T=80°C; 5.5 h;

(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in methanol T=55°C; 18 h;

(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in 1,4-dioxane T=150°C; Product distribution; Further Variations:SolventsReagentsTemperatures;

Na2CO3; tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran; ethanol; acetonitrile (N2); addn. to soln. of iodide deriv. and palladium in THF of soln. of terpyridine deriv. in CH3CN, THF and ethanol (10:15:15), addn. of 2 M aqueous Na2CO3, refluxing at 85°C for 6 h, TLC monitoring; evapn., dissolving in CH2Cl2, washing with water and 0.1 M aqueous NaOH,drying under Na2SO4, evapn., chromy. (deactivated alumina, ethyl acetat e/hexane (1:9)), NMR and MS;