methyl 5-(4-formylphenoxy)-2-(2-pyridinyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-benzimidazole-6-carboxylate 、
methyl 6-(4-formylphenoxy)-2-(2-pyridinyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-benzimidazole-5-carboxylate 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 0.33h,
生成 methyl 5-[4-(hydroxymethyl)phenoxy]-2-(2-pyridinyl)-{[2-(trimethylsilyl)ethoxy]methyl}-1H-benzimidazole-6-carboxylate 、 methyl 6-[4-(hydroxymethyl)phenoxy]-2-(2-pyridinyl)-{[2-(trimethylsilyl)ethoxy]methyl}-1H-benzimidazole-5-carboxylate