1: 3-bromo-pyridine With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate; 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-4',4',5',5'-tetramethyl-1,3,2-dioxaborolane in N,N-dimethyl-formamide T=20°C; Suzuki-Miyaura coupling; Inert atmosphereHeating; 2: 2,6-Dichloropyridine With water; sodium hydroxide in N,N-dimethyl-formamide Suzuki-Miyaura coupling; 3 h; Inert atmosphereHeating;

potassium phosphate; tris(dibenzylideneacetone)dipalladium (0); tri-cyclo-hexyl-phosphine in 1,4-dioxane; water T=100°C; 18 h;

potassium hydroxide; tetrabutylammomium bromide; tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran Heating;

potassium hydroxide; tetrabutylammomium bromide; tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran 8 h; Heating;