Some 2-benzyl-5-nitrobenzimidazoles
Abstract
The synthesis of 2-benzyl-1-(2-hydroxypropyl)-5-nitrobenzimidazole, 2-benzyl[and 2-(4-ethoxybenzyl)]-1-(2-diethylamino-propyl)-5-nitrobenzimidazole and related compounds is reported. The nitration of 2-benzyl-benzimidazole gives 5(6)-nitro-2-(4-nitrobenzyl)-benzimidazole (structure established by p.m.r. spectroscopy).