2,2-dimethyl-4-(1-naphthalen-2-ylmethyl-1,2,3,6-tetrahydro-pyridin-4-yl)-7-pentyl-2H-chromen-5-ol 、
乙醚 在
sodium acetate 、
乙酸酐 作用下,
以
petroleum-ether 为溶剂,
生成 5-Acetoxy-7-n-amyl-2,2-dimethyl-4-[1-(2-naphthylmethyl)1,2,5,6-tetrahydropyrid-4-yl]-2H-chromene