4-Methoxy-benzoic acid (2R,3S,5R)-5-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-2-[[(2R,3S,5R)-5-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-2-phosphonooxymethyl-tetrahydro-furan-3-yloxy]-(4-chloro-phenoxy)-phosphoryloxymethyl]-tetrahydro-furan-3-yl ester 在
吡啶 、
ammonium hydroxide 作用下,
反应 12.0h,
生成
5'-d(pCpC)-3'