Methyl 3-{[4-(benzyloxy)benzoyl]amino}-4-(cyclohexylamino)benzoate 在
silica gel 、 Toluene acetone 作用下,
以
溶剂黄146 为溶剂,
反应 16.0h,
以to give compound 48 as a white solid (0.234 g, 53%)的产率得到Methyl 2-[4-(benzyloxy)phenyl]-1-cyclohexyl-1H-benzimidazole-5-carboxylate