ethyl 1-(benzyloxy)-5-(3-nitrophenyl)-2-oxo-1,2-dihydropyridine-3-carboxylate 在
Lindlars catalyst 作用下,
以
tetrahydrofuran methanol 为溶剂,
反应 3.0h,
以gave crude ethyl 5-(3-aminophenyl)-1-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxylate, which的产率得到ethyl 5-(3-aminophenyl)-1-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxylate