1-phenyl-6-(3-N-chloroacetylamino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)pyrazolo[3,4-d]pyrimidin-4(3H)-one 在
乙酸酐 作用下,
反应 0.33h,
以69%的产率得到1-phenyl-6-chloromethyl-8,10-dimethyl-pyrido[2',3':2,3]thieno[4,5-e]pyrazolo[3',4':4,5]pyrimido[1,2-c]pyrimidin-4-one