potassium acetate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in N,N-dimethyl-formamide T=160°C; 0.333333 h;

1: 3-bromo-5-(2-methoxyethoxy)pyridine With n-butyllithium in diethyl ether; hexane T=-80°C; Inert atmosphere; 2: With boric acid trimethyl ester in diethyl ether; hexane T=-80 - 20°C; 12 h; Inert atmosphere; 3: 2,3-dimethylbutane-2,3-diol With acetic acid in diethyl ether; hexane T=20°C; 6 h; Inert atmosphere;