4-(2-acetyl-3-oxobut-1-en-1-yl)-3-ethylbenzonitrile 、
4-氨基-2-羟基吡啶 在
氩 、 silica gel 、
methanol-dichloromethane 作用下,
以
异丙醇 为溶剂,
反应 96.0h,
以277 mg (20% of theory) of the title compound are obtained as a pale yellow solid的产率得到4-(3-acetyl-2-methyl-5-oxo-1,4,5,6-tetrahydro-1,6-naphthyridin-4-yl)-3-ethylbenzonitrile