2'-O-(tert-butyldimethylsilyl)-5'-O-(p,p'-dimethoxytrityl)uridine 3'-O-(allyl N,N-disopropylphosphoramidite) 在
叔丁基过氧化氢 、
N-phenylimidazolium triflate 作用下,
以
甲苯 、
乙腈 为溶剂,
反应 0.33h,
生成 [(2R,3R,4R,5R)-2-[[[(2R,3R,4R,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[tert-butyl(dimethyl)silyl]oxy-5-(2,4-dioxopyrimidin-1-yl)oxolan-3-yl]oxy-oxido-prop-2-enoxyphosphaniumyl]oxymethyl]-5-(2,4-dioxopyrimidin-1-yl)-4-prop-2-enoxycarbonyloxyoxolan-3-yl] prop-2-enyl carbonate