1-(1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)-3-tert-butoxycarbonylaminopiperidine 、
2-氰基溴苄 在
N,N-二异丙基乙胺 作用下,
以
乙腈 为溶剂,
反应 5.0h,
以81.2%的产率得到tert-butyl N-(1-{3-[(2-cyanophenyl)methyl]-1-methyl-2,6-dioxopyrimidin-4-yl}piperidin-3-yl)carbamate