[(2R,3R,4R,5R)-2-(hydroxymethyl)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-4-propoxyoxolan-3-yl] benzoate 在
potassium osmate(VI) 、 hydroquinine 1,4-phthalazinediyl diether 、
三氟乙酸吡啶 、
N,N'-二环己基碳二亚胺 作用下,
以
二甲基亚砜 为溶剂,
生成
(2S,3R,4R,5R)-2-((1S,2S)-2-((tert-butyldimethylsilyl)oxy)-2-(diethoxyphosphoryl)-1-((methylsulfonyl)oxy)ethyl)-4-(2-methoxyethoxy)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl benzoate