1-((6a′R,8′R,9a′S)-2′,2′,4′,4′-tetraisopropyltetrahydrospiro[cyclopropane-1,9′-furo[3,2-f ][1,3,5,2,4]trioxadisilocin]-8′-yl)pyrimidine-2,4(1H,3H)-dione 在
N-碘代丁二酰亚胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以80%的产率得到1-[(6aR,8R,9aS)-2,2,4,4-tetra(propan-2-yl)spiro[6,6a,8,9a-tetrahydrofuro[3,2-f][1,3,5,2,4]trioxadisilocine-9,1'-cyclopropane]-8-yl]-5-iodopyrimidine-2,4-dione