N-(3-fluoro-4-(7-hydroxyquinolin-4-yloxy)phenyl)-1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxamide 、
(1-acetoxycyclopropyl)methyl methanesulfonate 在
caesium carbonate 作用下,
以
2,4-滴二甲胺盐 为溶剂,
以26%的产率得到1-((4-(4-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxamido)-2-fluorophenoxy)quinolin-7-yloxy)methyl)cyclopropyl acetate