n-Propyl 5-acetyl-4-(5-chloro-2-methyl-4-oxo-4H-chromen-8-yl)-2,6-dimethyl-1,4-dihydro-pyridine-3-carboxylate 在
二乙胺 作用下,
以
2-甲基戊烷 、
异丙醇 为溶剂,
生成 n-propyl 5-acetyl-4-(5-chloro-2-methyl-4-oxo-4H-chromen-8-yl)-2,6-dimethyl-1,4-dihydro-pyridine-3-carboxylate 、 n-propyl 5-acetyl-4-(5-chloro-2-methyl-4-oxo-4H-chromen-8-yl)-2,6-dimethyl-1,4-dihydro-pyridine-3-carboxylate