3-ethyl-1-(4-fluorophenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid ethyl ester 、
氢氧化锂 、
4-[(6,7-dimethoxyquinolin-4-yl)oxy]-3-fluoroaniline 以
甲醇 、
四氢呋喃 为溶剂,
以to give 3-ethyl-1-(4-fluoro-phenyl)-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid [4-(6,7-dimethoxy-quinolin-4-yloxy)-3-fluoro-phenyl]-amide mp 140-142° C.的产率得到3-ethyl-1-(4-fluoro-phenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid [4-(6,7-dimethoxyquinolin-4-yloxy)-3-fluorophenyl]amide