2,3,6,7,8,9-hexahydro-5H-<1>benzothieno<2,3-d>thiazolo<3,2-a>pyrimidin-5-one 、
sodium ethanolate 以
乙醇 为溶剂,
反应 1.0h,
以83%的产率得到2-Ethoxy-3-[2-[2-(2-ethoxy-4-oxo-5,6,7,8-tetrahydrobenzothiopheno[2,3-d]pyrimidin-3-yl)ethyldisulfanyl]ethyl]-5,6,7,8-tetrahydrobenzothiopheno[2,3-d]pyrimidin-4-one