1: 2,6-dimethylpyridine With n-butyllithium in tetrahydrofuran; hexane T=-75°C; 0.333333 h; Inert atmosphere; 2: 2-fluoro-pyridine in tetrahydrofuran; hexane T=-75 - 20°C; 6 h; Inert atmosphere;

1: With n-butyllithium in ethylene glycol dimethyl ether; hexane T=20°C; 1 h; 2: 2-picoline in toluene T=125°C; 2 h;