1: 2-(pyrrolidin-1-ylmethyl)-1H-benzimidazole With sodium hydride in tetrahydrofuran; mineral oil T=0°C; 0.0833333 h; Inert atmosphere; 2: p-bromomethylchlorobenzene With tetrabutylammomium bromide in tetrahydrofuran; mineral oil T=20°C; Inert atmosphere;