tert-butyl {1-[(4E)-5-{5-cyano-4-[(4-methyl-1H-indol-5-yl)amino]pyridin-3-yl}pent-4-en-1-yl]piperidin-4-yl}carbamate 、
三氟乙酸 以
二氯甲烷 为溶剂,
以84%的产率得到5-[(1E)-5-(4-aminopiperidin-1-yl)pent-1-en-1-yl]-4-[(4-methyl-1H-indol-5-yl)amino]nicotinonitrile trifluoroacetate