1-{1-cyclohexyl-2-[2,6-dimethyl-4-(1H-tetrazol-5-yl)-phenoxy]-ethyl}-2-(2,6-dimethoxy-pyridin-3-yl)-5,6-difluoro-1H-benzoimidazole 在
ammonium acetate 作用下,
以
乙醇 、
正庚烷 为溶剂,
生成 (-)-1-{1-cyclohexyl-2-[2,6-dimethyl-4-(1H-tetrazol-5-yl)-phenoxy]-ethyl}-2-(2,6-dimethoxy-pyridin-3-yl)-5,6-difluoro-1H-benzoimidazole 、 (-)-1-{1-cyclohexyl-2-[2,6-dimethyl-4-(1H-tetrazol-5-yl)-phenoxy]-ethyl}-2-(2,6-dimethoxy-pyridin-3-yl)-5,6-difluoro-1H-benzoimidazole