trans-4-Morpholinocyclohexanol 、
ethyl 4-chloro-6-methyl-7,8-dihydro-5H-[1]benzothiolo[2,3-d]pyrimidine-6-carboxylate 在
sodium hexamethyldisilazane 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以30%的产率得到ethyl 6-methyl-4-(((1r,4r)-4-morpholinocyclohexyl)oxy)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine-6-carboxylate