1-[(2R,3R,4S,5R)-3-azido-4-hydroxy-5-(hydroxymethyl)-3-methyloxolan-2-yl]pyrimidine-2,4-dione 、
1-[chloro(phenoxy)phosphoryl]pyrrolidine 在
叔丁基氯化镁 作用下,
以
四氢呋喃 为溶剂,
生成 1-[(2R,3R,4S,5R)-3-azido-4-hydroxy-3-methyl-5-[[phenoxy(pyrrolidin-1-yl)phosphoryl]oxymethyl]oxolan-2-yl]pyrimidine-2,4-dione