反应详情

In a manner analogous to that described in Example 12, 4.9 g of 5-acetyl-1-n-butyl-benzimidazole-2-methanol can be oxidised with 4.5 g of potassium permanganate to give 5-acetyl-1-n-butyl-benzimidazole-2-carboxylic acid with a melting point >75° (decomposition).