4-(((4-(4-氨基-2-氟苯氧基)-6-甲氧基喹啉-7-基)氧基)甲基)哌啶-1-甲酸叔丁酯 、 N-(4-((6,7-dimethoxyquinolin-4-yl)oxy)-3-fluorophenyl)-2-oxo-3-phenylimidazolidine-1-carboxamide 以title compound 82 (0.16 g, 54% yield) was obtained as a white solid的产率得到tert-butyl 4-((4-(2-fluoro-4-(2-oxo-3-phenylimidazolidine-1-carboxamido)phenoxy)-6-methoxyquinolin-7-yloxy)methyl)piperidine-1-carboxylate