反应详情

In a manner analogous to that described in Example 12, 18.5 g of 5-butyryl-1-methyl-benzimidazole-2-methanol can be oxidised with 18.5 g of potassium permanganate to give 5-butyryl-1-methyl-benzimidazole-2-carboxylic acid with a melting point above 90° (decomposition).