tert-butyl {3-[(3-{3-cyano-6-(2-hydroxyphenyl)-2-[(phenyl-carbonyl)amino]pyridin-4-yl}phenyl)amino]-3-oxopropyl}-carbamate 、
三氟乙酸 在
乙醇乙醚 作用下,
反应 1.5h,
以to give the title compound (0.12 g, 78%) as a pale yellow crystal的产率得到N-{4-[3-(β-alanylamino)phenyl]-3-cyano-6-(2-hydroxy-phenyl)pyridin-2-yl}benzamide trifluoroacetate