2-deoxy-1-O-acetyl-3-O-benzyl-5-O-diethylthiocarbamoyl-D-ribofuranoside 、
O,O-二(三甲基甲硅烷基)胸苷 在
dichlorosilicium bis(trifluoromethanesulfonate) 作用下,
以
四氯化碳 、
甲苯 为溶剂,
反应 27.0h,
生成 O-[[(2R,3S,5S)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-3-phenylmethoxyoxolan-2-yl]methyl] N,N-diethylcarbamothioate 、 O-[[(2R,3S,5R)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-3-phenylmethoxyoxolan-2-yl]methyl] N,N-diethylcarbamothioate