Carbonic acid allyl ester 2-allyloxycarbonyloxy-3-{(2R,3R,4R,5R)-2-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-5-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-tetrahydro-furan-3-yloxy}-propyl ester 、
双(二异丙基氨基)(2-氰基乙氧基)膦 在
二异丙基铵盐四氮唑 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以75%的产率得到Carbonic acid allyl ester 2-allyloxycarbonyloxy-3-{(2R,3R,4R,5R)-2-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-5-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-[(2-cyano-ethoxy)-diisopropylamino-phosphanyloxy]-tetrahydro-furan-3-yloxy}-propyl ester