N,N-二甲基甲酰胺 、
butyl (4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-ylmethoxy)acetate 、
氯化亚砜 反应 2.0h,
以giving 4.5 g of butyl (4-chloro-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-ylmethoxy)acetate (“AD”)的产率得到butyl (4-chloro-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-ylmethoxy)acetate