3-[6-fluoro-3-{cis-4-[(imidazo[1,2-a]pyridin-2-ylcarbonyl)amino]cyclohexyl}-2,4-dioxo-3,4-dihydropyrido[2,3-d]pyrimidin-1(2H)-yl]benzoic acid 、
N-叔丁氧羰基-1,2-乙二胺 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.17h,
以10%的产率得到tert-butyl [2-({3-[6-fluoro-3-{cis-4-[(imidazo[1,2-a]pyridin-2-ylcarbonyl)amino]cyclohexyl}-2,4-dioxo-3,4-dihydropyrido[2,3-d]pyrimidin-1(2H)-yl]benzoyl}amino)ethyl]carbamate