1: 3.5-Dibromopyridine With isopropylmagnesium chloride in tetrahydrofuran T=10°C; 0.166667 h; 2: N,N-dimethyl-formamide in tetrahydrofuran T=20°C; 0.5 h; 3: With sodium hydrogencarbonate; acetic acid; lithium chloride more than 3 stages;
1: With lithium aluminium tetrahydride; ethyl acetate in tetrahydrofuran 0.5 h; 2: (5-bromopyridin-3-yl)(morpholino)methanone in tetrahydrofuran T=0 - 10°C; 1 h; 3: With sulfuric acid; water in tetrahydrofuran
