7-hydroxy-2,3-dimethyl-6-(3-oxo-3-phenyl-propyl)-3H-benzoimidazole-5-carboxylic acid dimethylamide 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以89%的产率得到7-hydroxy-6-(3-hydroxy-3-phenyl-propyl)-2,3-dimethyl-3H-benzimidazole-5-carboxylic acid dimethylamide