2-(2,6-dichlorobenzamido)pent-4-enoic acid methyl ester 、
trifluoromethansulfonic acid 4-[pyrimidin-2-yl-(tetrahydropyran-4-yl)amino]phenyl ester 以to obtain (E)-2-(2,6-dichlorobenzamido)-5-[4-(pyrimidin-2-yl-(tetrahydro-pyran-4-yl)-amino)phenyl]pent-4-enoic acid methyl ester (178.5 mg)的产率得到(E)-2-(2,6-dichlorobenzamido)-5-[4-(pyrimidin-2-yl-(tetrahydro-pyran-4-yl)-amino)phenyl]pent-4-enoic acid methyl ester