tert-butyl {1-[(3E)-4-{5-cyano-2-methyl-4-[(4-methyl-1H-indol-5-yl)amino]-pyridin-3-yl}but-3-en-1-yl]piperidin-4-yl}carbamate 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 1.0h,
以95%的产率得到5-[(1E)-4-(4-aminopiperidin-1-yl)but-1-en-1-yl]-6-methyl-4-[(4-methyl-1H-indol-5-yl)amino]nicotinonitrile trifluoroacetate