1: 2-bromo-6-methyl-pyridine With n-butyllithium; tributyltin chloride in tetrahydrofuran; hexane T=-78 - 20°C; 2: methyl 2-methyl-6-lt;(p-toluenesulfonyl)oxygt;pyridine-4-carboxylate With triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride in xylene Stille-type cross-coupling; 24 h; Heating;

1: 2-bromo-6-methyl-pyridine With n-butyllithium; tributyltin chloride in tetrahydrofuran; hexane T=-78 - 20°C; 2: methyl 2-methyl-6-lt;(p-toluenesulfonyl)oxygt;pyridine-4-carboxylate With triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride in xylene Stille-type cross-coupling; 24 h; Heating;