2-chlorophenyl-5'-O-levulinyl-2'-O-(2-tetrahydrofuranyl)-N4-(4-anisoyl)cytidin-3'-yl phosphate triethylamine salt 、
2-cyanoethyl-2-chlorophenyl-2'-O-(2-tetrahydrofuranyl)-N4-(4-anisoyl)cytidin-3'-yl phosphate 在
吡啶 、
苯甲基-2-磺酰三硝基三氮唑 作用下,
反应 1.0h,
生成 5'-O-levulinyl-2'-O-(2-tetrahydrofuranyl)-N4-(4-anisoyl)cytidine-3'-(2-chlorophenoxy)phosphoryl-2'-O-(2-tetrahydrofuranyl)-N4-(4-anisoyl)cytidine-3'-[O-(2-cyanoethyl)(2-chlorophenyl)phosphate]