1: 4-methyl-2,6-diphenylpyridine With lithium diisopropyl amide in tetrahydrofuran; hexane T=-70 - 0°C; 2: 2,6-diphenyl-4-chloropyridine in tetrahydrofuran; hexane T=0°C; Reflux;

1: methyl iodide With magnesium in diethyl ether 2: 2,6-diphenyl-4-chloropyridine With NiCl2((PPh3)P)2 in diethyl ether T=20°C; Kumada-Tamao coupling; Inert atmosphereReflux;