2-[(E)-2-[5-(hydroxymethyl)-7-methyl-4H-[1,3]dioxino[4,5-c]pyridin-7-ium-8-yl]ethenyl]phenol;iodide 在
palladium on activated charcoal
氢气 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以80%的产率得到2-[2-[5-(hydroxymethyl)-7-methyl-4H-[1,3]dioxino[4,5-c]pyridin-7-ium-8-yl]ethyl]phenol;iodide