Ethyl 6-[4-oxo-5-(pyrimidin-5-ylmethyl)-2-sulfanylidenepyrimidin-1-yl]hexanoate 、 alkaline earth salt of/the/ methylsulfuric acid 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
生成 6-[2-(4-Fluoro-benzylsulfanyl)-4-oxo-5-pyrimidin-5-ylmethyl-4H-pyrimidin-1-yl]-hexanoic acid ethyl ester