(S)-((R)-1-(5-(6-(4-chlorophenyl)-4-oxopyrrolo[1,2-f][1,2,4]triazin-3(4H)-yl)pyridin-2-yl)pyrrolidin-3-yl) 2-(tert-butoxycarbonylamino)-3-methylbutanoate 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 0.67h,
以69%的产率得到(S)-((R)-1-(5-(6-(4-chlorophenyl)-4-oxopyrrolo[1,2-f][1,2,4]triazin-3(4H)-yl)pyridin-2-yl)pyrrolidin-3-yl) 2-amino-3-methylbutanoate ditrifluoroacetate