ethyl 3-{[(5-chloropyridin-2-yl)carbonyl]amino}-1-methyl-1H-pyrazole-4-carboxylate 、
N-(2-{[tert-butyl(dimethyl)silyl]oxy}ethyl)benzene-1,4-diamine 、
三甲基铝 在
silica gel 作用下,
以The title compound is isolated by flash chromatography of the crude product on silica gel (mobile phase: dichloromethane/methanol 50:1→20:1)的产率得到N-{4-[({4-[(2-{[tert-butyl(dimethyl)silyl]oxy}ethyl)amino]phenyl}amino)-carbonyl]-1-methyl-1H-pyrazol-3-yl}-5-chloropyridine-2-carboxamide