tert.butyl 4'-[(2-n-butyl-6-(5,7-dioxo-1H,3H-imidazo-[1,5-c]thiazol-6-yl)-benzimidazol-1-yl)-methyl]biphenyl-2-carboxylate 在
三氟乙酸 作用下,
以95.1%的产率得到4-[(2-n-Butyl-6-(5,7-dioxo-1H, 3H-imidazo[1,5-c]thiazol-6-yl)-benzimidazol-1-yl)-methyl]biphenyl-2-carboxylic acid