1-[(2R,3R,4R,5R)-3-chloro-4-hydroxy-5-[[(4-methoxyphenyl)-diphenylmethoxy]methyl]oxolan-2-yl]pyrimidine-2,4-dione 在
N-甲基咪唑 、
2,4,6-三异丙基苯磺酰氯 作用下,
生成 [(2R,3R,4R,5R)-4-chloro-2-[[[(2R,3R,4R,5R)-4-chloro-5-(2,4-dioxopyrimidin-1-yl)-2-[[(4-methoxyphenyl)-diphenylmethoxy]methyl]oxolan-3-yl]oxy-(4-chlorophenoxy)phosphoryl]oxymethyl]-5-(2,4-dioxopyrimidin-1-yl)oxolan-3-yl] benzoate