4-chloro-6-methyl-1-(5,6-dihydronaphtho[1',2':4,5]thieno[2,3-d]pyrimidin-11-yl)-1H-pyrazolo[3,4-d]pyrimidine 在
sodium azide 、
溶剂黄146 作用下,
反应 1.0h,
以54%的产率得到5-methyl-7-(5,6-dihydronaphtho[1',2':4,5]thieno[2,3-d]pyrimidin-11-yl)-7H-pyrazolo[3,4-d]pyrimidine