Pyridinium-<2-cyanethyl><5'-O-<(4-methoxyphenyl)diphenylmethyl>thymidin-3'>phosphat 、
5'-O-(4-monomethoxytrityl)-2'-deoxythymidine 在
p-Tosyltriazolid 作用下,
以
吡啶 为溶剂,
反应 120.0h,
以83%的产率得到5'-O-<(4-Methoxyphenyl)diphenylmethyl>thymidylyl(3'-5')thymidin-(2-cyanethyl)ester