反应详情

In a manner analogous to that described in Example 12, 4.7 g of 1,6-dimethyl-5-valeryl-benzimidazole-2-methanol are oxidised with 4.5 g of potassium permanganate to give 1,6-dimethyl-5-valeryl-benzimidazole-2-carboxylic acid with a melting point >88° (decomposition).