3-[3-(4-Amino-phenyl)-2,6-dioxo-piperidin-3-yl]-N-[2-(3,4-dimethoxy-phenyl)-ethyl]-propionamide 以
二苯醚 为溶剂,
生成 6-(3-{2-[2-(3,4-Dimethoxy-phenyl)-ethylcarbamoyl]-ethyl}-2,6-dioxo-piperidin-3-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester