2,2-dimethyl-7-pentyl-4-(4-pyridinyl)-2H-1-benzopyran-5-ol 、
(氯甲基)萘 在
potassium iodide 作用下,
以
丙酮 为溶剂,
生成 2,2-dimethyl-4-(1-naphthalen-1-ylmethyl-1,2,3,6-tetrahydro-pyridin-4-yl)-7-pentyl-2
H-chromen-5-ol 、 4-(7-n-amyl-5-hydroxy-2,2-dimethyl-2H-chromen-4-yl)-1-(1-naphthylmethyl) pyridinium chloride