potassium ethyl xanthogenate 、
(4-amino-5-cyano-6-methylsulfanylpyrimidin-2-yl) N-phenylpyrrolidine-1-carboximidothioate 以
正丁醇 为溶剂,
反应 2.0h,
以58.6%的产率得到N-Phenyl-pyrrolidine-1-carboximidothioic acid 4-methylsulfanyl-5,7-dithioxo-5,6,7,8-tetrahydro-pyrimido[4,5-d]pyrimidin-2-yl ester