2-(4-methyl-2,5-dioxoimidazolidin-4-yl)acetic acid 、
4-(4-Ethynylphenyl)piperidine 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 18.0h,
以80%的产率得到5-[2-[4-(4-Ethynylphenyl)piperidin-1-yl]-2-oxoethyl]-5-methylimidazolidine-2,4-dione