4-[3-(3-azidopropyl)-4,4-dimethyl-5-oxo-2-thioxoimidazolidin-1-yl]-2-trifluoromethylbenzonitrile 、 4-(3,6,9,12-tetraoxapentadec-14-yn-1-yloxy)-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione 在
copper(II) sulfate 、
sodium ascorbate 作用下,
以
四氢呋喃 、
水 为溶剂,
以43%的产率得到4-(3-(3-(4-(13-((2-(2,6-dioxopiperidin-3-yl)-1,3-dioxoisoindolin-4-yl)oxy)-2,5,8,11-tetraoxatridecyl)-1H-1,2,3-triazol-1-yl)propyl)-4,4-dimethyl-5-oxo-2-thioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile