2'-O-tetrahydropyranyluridylyl-(3'-5')-(2,2,2-trichloroethyl)-2',3'-O-methoxymethylideneuridine 、 {1-[(2R,3R,4R,5R)-4-[Hydroxy-(2,2,2-trichloro-ethoxy)-phosphoryloxy]-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-3-(4-methoxy-tetrahydro-pyran-2-yloxy)-tetrahydro-furan-2-yl]-4-oxo-2-thioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl}-acetic acid methyl ester; compound with triethyl-amine 在
1-(mesitylen-2-sulfonyl)-1H-1,2,4-triazole 作用下,
反应 96.0h,
以67%的产率得到