丁二酸酐 、
Phosphoric acid (2S,4S,5R)-5-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-4-hydroxy-tetrahydro-furan-2-ylmethyl ester 2-cyano-ethyl ester 2-(methyl-phenazin-2-yl-amino)-ethyl ester 在
4-二甲氨基吡啶 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以82%的产率得到Succinic acid mono-[(2R,3S,5S)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-{(2-cyano-ethoxy)-[2-(methyl-phenazin-2-yl-amino)-ethoxy]-phosphoryloxymethyl}-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl] ester