丁二酸酐 、
1-{(2R,3R,4R,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-3-fluoro-4-hydroxy-tetrahydro-furan-2-yl}-5-methyl-2-thioxo-2,3-dihydro-1H-pyrimidin-4-one 在
4-二甲氨基吡啶 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 18.0h,
生成 Succinic acid mono-[(2R,3R,4R,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-fluoro-5-(5-methyl-4-oxo-2-thioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl] ester