聚合甲醛 、
tert-butyl 4-(2-{3-[difluoro-(6-methyl-1,2,4-triazolo[4,3-b]pyridazin-3-yl)methyl]phenyl}pyrimidin-5-yloxymethyl)piperidine-1-carboxylate 在
甲酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 18.0h,
生成 3-(difluoro-{3-[5-(1-methylpiperidin-4-yl-methoxy)pyrimidin-2-yl]phenyl}methyl)-6-methyl-1,2,4-triazolo[4,3-b]pyridazine trifluoroacetate