5-(4-(2,6-difluoro-4-(2-methoxyethoxy)phenyl)piperazin-1-yl)-7-isopropoxy-3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidine 在
硫酸 、
溶剂黄146 作用下,
以84 %的产率得到5-(4-(2,6-difluoro-4-(2-methoxyethoxy)phenyl)piperazin-1-yl)-3-methyl-3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one