3-benzyl-7-methyl-1-(3-nitrophenyl)-4-oxo-1,4-dihydro[1,8]-naphthyridine-2-carboxylic acid methyl ester 在
ethyl acetate n-hexane 、
methanol-dichloromethane 、 1-(3-aminophenyl)-3-benzyl-7-methyl-4-oxo-1,4-dihydro[1,8]-naphthyridine-2-carboxylic acid methyl ester 作用下,
以
乙酸乙酯 为溶剂,
反应 2.0h,
以10% MeOH/DCM to provide 1-(3-amino-phenyl)-3-benzyl-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-2-carboxylic acid methyl ester (Compound 105, 2.4 mg)的产率得到1-(3-aminophenyl)-3-benzyl-7-methyl-4-oxo-1,4-dihydro[1,8]-naphthyridine-2-carboxylic acid methyl ester