[tert-butyl(dimethyl)silyl] [(2R,3S,5R)-3-[tert-butyl(dimethyl)silyl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl [(2R,3S,5R)-2-[[tert-butyl(dimethyl)silyl]oxymethyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl] phosphite 、
甲基磺酰氯 生成 1-[(2R,4S,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[[[(2R,3S,5R)-2-[[tert-butyl(dimethyl)silyl]oxymethyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]oxy-methylphosphoryl]oxymethyl]oxolan-2-yl]-5-methylpyrimidine-2,4-dione