methyl 4-(2-{3,5-dichloro-6-[(E)-2-(2-ethoxyphenyl)vinyl]-2-oxopyridin-1(2H)-yl}ethyl)benzoate 在
palladium-carbon
氢气 、 silica gel 作用下,
以
乙酸乙酯 为溶剂,
反应 5.0h,
以to obtain 1.2 g of white amorphous methyl 4-(2-{3,5-dichloro-6-[2-(2-ethoxyphenyl)ethyl]-2-oxopyridin-1(2H)-yl}ethyl)benzoate的产率得到methyl 4-(2-{3,5-dichloro-6-[2-(2-ethoxyphenyl)ethyl]-2-oxopyridin-1(2H)-yl}ethyl)benzoate