ethyl 2-(thiocarbamoyl)amino-3-aminocarbonyl-4,5,6,7-tetrahydrothieno-[2,3-c]pyridine-6-carboxylate 在
sodium hydroxide 、
silver(I) chloride 作用下,
反应 2.0h,
以98%的产率得到ethyl 2-amino-4-oxo-1,2,3,4,5,6,7,8-octahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7-carboxylate