1: With triethylamine; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in 1,4-dioxane T=80°C; 2: 2-methoxy-4-bromophenol; 4,4,5,5-tetramethyl-[1,3,2]dioxaborolane With triethylamine in 1,4-dioxane T=100°C; 20 h;

potassium carbonate in N,N-dimethyl-formamide T=80°C;

potassium carbonate; tetrakis(triphenylphosphine) palladium(0) in 1,4-dioxane; water 2.75 h; Heating / reflux;

lithium hydroxide; palladium diacetate in tetrahydrofuran; water T=20°C; Suzuki-Miyaura cross-coupling; 4 h;