8-[(E)-2-(4-Bromo-furan-2-yl)-vinyl]-5-hydroxymethyl-7-methyl-4H-[1,3]dioxino[4,5-c]pyridin-7-ium; iodide 在
palladium on activated charcoal
氢气 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以74%的产率得到8-[2-(4-Bromo-furan-2-yl)-ethyl]-5-hydroxymethyl-7-methyl-4H-[1,3]dioxino[4,5-c]pyridin-7-ium; iodide