1: 1-methyl-1H-imidazole With n-butyllithium in tetrahydrofuran; hexane T=-78 - 20°C; 2: With selenium in tetrahydrofuran; hexane T=20°C; 12 h; 3: methyl iodide in tetrahydrofuran; hexane T=20°C; 4 h;

1: 1-methyl-1H-imidazole With selenium; n-butyllithium 2: methyl iodide