(R)-1-[1-(2-cyanobenzyl)-3-methyl-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]quinolin-9-yl]piperidin-3-yl tert-butyl carbamate 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 1.0h,
以76%的产率得到(R)-2-[[9-(3-aminopiperidin-1-yl)-3-methyl-2-oxo-2,3-dihydro-1H-imidazo[4,5-b] quinolin-1-yl]methyl]benzonitrile trifluoroacetate