bromine; sodium acetate in dichloromethane T=0 - 10°C; 17 h;

silver carbonate in benzene T=40 - 50°C; 24 h;

4-(4-(dihexadecylamino)styryl)-N-methylpyridinium iodide; methyllithium; bromine 1.) Et2O, THF, 0 deg C, 3 h, 2.) Et2O, THF, -60 deg C, 0.5 h; Yield given. Multistep reaction. Title compound not separated from byproducts;

1: 3-Bromo-2-methoxypyridine With n-butyllithium; isopropylmagnesium chloride in tetrahydrofuran; hexane T=-2 - 0°C; 0.75 h; Inert atmosphere; 2: chloro-trimethyl-silane in tetrahydrofuran; hexane T=0 - 20°C; Inert atmosphere;

trichlorophosphate in N,N-dimethyl-formamide T=100°C; 14 h;

1: 3-Bromo-2-methoxypyridine With n-butyllithium; isopropylmagnesium chloride in tetrahydrofuran; hexane T=-2 - 0°C; 0.75 h; Inert atmosphere; 2: N,N-dimethyl-formamide in tetrahydrofuran; hexane T=0 - 20°C; Inert atmosphere;

1: With diisobutylaluminium hydride; magnesium; lithium chloride in tetrahydrofuran; toluene T=20°C; 0.5 h; Inert atmosphere; 2: With boric acid trimethyl ester in tetrahydrofuran; toluene T=0°C; Inert atmosphere; 3: With hydrogenchloride; water in tetrahydrofuran; toluene T=0°C; Inert atmosphere;