1,1-dimethylethyl [3-({3-[2-(4-amino-1,2,5-oxadiazol-3-yl)-1-ethyl-4-(3-hydroxy-3-methyl-1-butyn-1-yl)-1H-imidazo[4,5-c]pyridin-6-yl]phenyl}oxy)propyl]carbamate 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 0.5h,
以81%的产率得到4-(2-(4-amino-1,2,5-oxadiazol-3-yl)-6-{3-[(3-aminopropyl)oxy]phenyl}-1-ethyl-1H-imidazo[4,5-c]pyridin-4-yl)-2-methyl-3-butyn-2-ol bis(trifluoroacetate)