1: With potassium acetate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in 1,4-dioxane T=80°C; 15.1667 h; 2: With sodium hydroxide in diethyl ether; water 3: With hydrogenchloride in water T=10°C; pH=6.5;

1: cyclopropyl-magnesium bromide With zinc(II) chloride in tetrahydrofuran T=20°C; 2 h; 2: 2,5-dibromo-pyridine With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in tetrahydrofuran T=20°C; 3: With hydrogenchloride; sodium hydroxide more than 3 stages;

tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=70°C; 3 h;