2-aminoterephthalic acid bis-[2-(3-nitrophenyl)-2-oxo-ethyl] ester 在
PPA 作用下,
反应 4.0h,
生成 3-hydroxy-4-oxo-2-(3-nitrophenyl)-1,4-dihydroquinoline-7-carboxylic acid 、 3-hydroxy-4-oxo-2-(3-nitrophenyl)-1,4-dihydroquinoline-7-carboxylic acid 2-oxo-2-(3-nitrophenyl)-ethyl ester