tert-butyl [cis-4-({[5-fluoro-2-(tetrahydro-2H-thiopyran-4-ylamino)pyridin-3-yl]carbonyl}amino)cyclohexyl]carbamate 、
N,N'-羰基二咪唑 在
sodium hydride 作用下,
以
N-甲基吡咯烷酮 为溶剂,
反应 49.0h,
以48%的产率得到tert-butyl {cis-4-[6-fluoro-2,4-dioxo-1-(tetrahydro-2H-thiopyran-4-yl)-1,4-dihydropyrido[2,3-d]pyrimidin-3(2H)-yl]cyclohexyl}carbamate