N-{2-[({4-[(2-{[tert-butyl(dimethyl)silyl]oxy}ethyl)amino]phenyl}amino)-carbonyl]-5-cyanophenyl}-5-chlorothiophene-2-carboxamide 、
溴化氰 、
碳酸氢钠 在
silica gel 作用下,
以
cyclohexane, ethyl acetate 为溶剂,
以The title compound is isolated by silica gel chromatography (mobile phase: cyclohexane/ethyl acetate 1:1)的产率得到N-{2-[({4-[(2-{[tert-butyl(dimethyl)silyl]oxy}ethyl)(cyano)amino]phenyl}-amino)carbonyl]-5-cyanophenyl}-5-chlorothiophene-2-carboxamide