methyl N-{2-[N'4-(4-methoxytrityl)-cytosin-1-yl]-acetyl}-N-{2-[1-(4,4-dimethyl-2,6-dioxo-cyclohexyliden)ethylamino]ethyl}glycinate 在
caesium carbonate 作用下,
以
甲醇 为溶剂,
反应 1.5h,
以45%的产率得到N-{2-[N'
4-(4-methoxytrityl)-cytosin-1-yl]-acetyl}-N-{2-[1-(4,4-dimethyl-2,6-dioxo-cyclohexyliden)ethylamino]ethyl}glycine