1,1-dimethylethyl 3-[2-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,3,4-thiadiazol-2-yl)-3-methyl-2,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]propanoate 、
三氟乙酸 在
氮气 、
乙酸乙酯 、 c-hexane 作用下,
以
二氯甲烷 为溶剂,
反应 5.0h,
以to give 3-[2-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,3,4-thiadiazol-2-yl)-3-methyl-2,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]propanoic acid trifluoroacetic acid salt (63 mg, 68%) as a pale yellow solid的产率得到1,1-dimethylethyl 3-[2-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,3,4-thiadiazol-2-yl)-3-methyl-2,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl]propanoate mono-trifluoroacetate