7-(6,7-dimethoxyquinolin-4-yloxy)-3,4-dihydro-2H-benzo[b][1,4]oxazine 、 azido(5-((tert-butyldimethylsilyIoxy)methyl)isoxazol-3-yl)methanone 以
四氢呋喃 为溶剂,
反应 4.0h,
以75%的产率得到N-(5-((tert-butyldimethylsilyloxy)methyI)isoxazol-3-yl)-7-(6,7-dimethoxyquinolin-4-yloxy)-2,3-dihydrobenzo[b][1,4]oxazine-4-carboxamide