tert-butyl 4-(4-(2-fluoro-4-(2-(4-fluorophenyl)-3-oxo-2,3-dihydropyridazine-4-carboxamido)phenoxy)-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yloxy)piperidine-1-carboxylate 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 6.0h,
以81%的产率得到N-(3-fluoro-4-(1-(4-methoxybenzyl)-3-(piperidin-4-yloxy)-1H-pyrazolo[3,4-b]pyridin-4-yloxy)phenyl)-2-(4-fluorophenyl)-3-oxo-2,3-dihydropyridazine-4-carboxamide trifluoroacetate