丁二酸酐 、 3'-amino-3'-deoxy-3'-[[2-15NH]-N-(9-fluorenylmethoxycarbonyl)-L-phenylalanyl]-5'-O-(p,p'-dimethoxytrityl)-N
6,N
6-dimethyladenosine 在
吡啶 、
4-二甲氨基吡啶 作用下,
反应 24.0h,
以60%的产率得到3'-amino-3'-deoxy-3'-[[2'-15NH]-N-(9-fluorenylmethoxycarbonyl)-L-phenylalanyl]-5'-O-(p,p'-dimethoxytrityl)-N
6,N
6-dimethyladenosine 2'-O-succinate