tert.butyl 4'-[(2-ethoxy-4-methyl-6-(5,6,7,8-tetrahydro-imidazo[1,2-a]pyridin-2-yl)-benzimidazol-1-yl)-methyl]-biphenyl-2-carboxylate 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
以63%的产率得到4'-[(2-Ethoxy-4-methyl-6-(5,6,7,8-tetrahydro-imidazo[1,2-a]pyridin-2-yl)-benzimidazol-1-yl)-methyl]-biphenyl-2-carboxylic Acid