1: 5-bromo-2-chloro-6-methylpyridine With n-butyllithium in diethyl ether T=-78 - -70°C; 0.5 h; 2: N,N-dimethyl-formamide in diethyl ether T=-78 - 20°C; 1.5 h;

1: With diisobutylaluminium hydride in dichloromethane T=0°C; 1 h; 2: With water; citric acid in dichloromethane 1 h; 3: With sodium hydrogencarbonate in dichloromethane; water