1,1-dimethylethyl 4-({[4-(5-amino-3-methyl-1H-pyrazol-4-yl)-2-(methyloxy)phenyl]oxy}methyl)piperidine-1-carboxylate 、
对羟基苯甲醛 、
三氟乙酸 在
desired product 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 15.0h,
以to yield 4-{1-methyl-8-(methyloxy)-7-[(piperidin-4-ylmethyl)oxy]-3H-pyrazolo[3,4-c]isoquinolin-5-yl)phenol hydrogen trifluoroacetate (26.2 mg, 20% yield)的产率得到4-{1-methyl-8-(methyloxy)-7-[(piperidin-4-ylmethyl)oxy]-3H-pyrazolo[3,4-c]isoquinolin-5-yl)phenol hydrogen trifluoroacetate