triethylammonium 5'-O-dimethoxytrityl-N,N'-bis(trifluoroacetyl)putrescinylthymidine 3'-(4-chlorophenyl)phosphate 在
N-甲基咪唑 、 triisopropylbenzenesulfonyl chloride 作用下,
以
吡啶 为溶剂,
反应 1.0h,
生成 [(2R,3S,5R)-5-[5-[(4-aminobutylamino)methyl]-2,4-dioxopyrimidin-1-yl]-2-(hydroxymethyl)oxolan-3-yl] [(2R,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl hydrogen phosphate