、 Benzoic acid (2R,3S,5R)-2-[[(2R,3S,5R)-5-(6-benzoylamino-purin-9-yl)-2-hydroxymethyl-tetrahydro-furan-3-yloxy]-(2-chloro-phenoxy)-phosphoryloxymethyl]-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 在
4-硝基-1-[[2,4,6-三(异丙基)苯基]磺酰基]-1H-咪唑 作用下,
以
吡啶 为溶剂,
反应 18.0h,
以70%的产率得到