[(2R,3R,4R,5R)-8-[(2R,3R,4R,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-5-(2,4-dioxopyrimidin-1-yl)-4-methoxyoxolan-3-yl]oxy-3-methoxy-14,16-dioxo-8-sulfanylidene-7,9,18-trioxa-1,15-diaza-8lambda5-phosphatricyclo[11.3.1.12,5]octadec-13(17)-en-4-yl] acetate 在
溶剂黄146 作用下,
反应 0.5h,
以91%的产率得到(2R,3R,4R,5R)-8-[(2R,3R,4R,5R)-5-(2,4-Dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-hydroxymethyl-4-methoxy-tetrahydro-furan-3-yloxy]-4-hydroxy-3-methoxy-8-thioxo-7,9,18-trioxa-1,15-diaza-8λ
5-phospha-tricyclo[11.3.1.1
2,5]octadec-13(17)-ene-14,16-dione