4-({4-[1-(3-fluoro-benzyl)-1H-indazol-5-ylamino]-pyrrolo[2,1-f][1,2,4]triazin-5-ylmethyl}-amino)-piperidin-1-carboxylic acid tert-butyl ester 、 、
三氟乙酸 反应 1.0h,
以to give the title compound as a solid (overall yield 37%)的产率得到[1-(3-Fluoro-benzyl)-1H-indazol-5-yl]-{5-[(methyl-piperidin-4-yl-amino)-methyl]-pyrrolo[2,1-f][1,2,4]triazin-4-yl}-amine