tert-butyl 3-[4-(5,5-dimethyl-2-(morpholin-4-yl)-7-oxo-4,5,6.7-tetrahydrothieno[2,3-c]pyridin-3-yl)pyridin-2-yl]benzoate 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 1.5h,
以85%的产率得到3-[4-(5,5-dimethyl-2-morpholin-4-yl-7-oxo-4,5,6,7-tetrahydro-thieno[2,3-c]pyridin-3-yl)-pyridin-2-yl]-benzoic acid trifluoroacetic acid salt