1: 5-Bromo-2-methyl-pyridine With n-butyllithium in diethyl ether; hexane T=-78°C; 1 h; 2: tributyltin chloride in diethyl ether; hexane T=-78 - 0°C; 1 h; 3: With water; ammonium chloride in diethyl ether; hexane

tetrakis(triphenylphosphine) palladium(0) Stille coupling;