2-(4-chloromethyl-pyridin-2-yl)-isoindole-1,3-dione 、
3-[3-(5-isopropyl-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carbonyl)-5-methyl-phenyl]-acrylonitrile 在
potassium carbonate 、 lithium iodide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以27%的产率得到3-(3-{3-[2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-pyridin-4-ylmethyl]-5-isopropyl-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carbonyl}-5-methyl-phenyl)-acrylonitrile