1-ethyl-3-(9-((2S,3aS,4R,6S,6aR)-6-(n-propylthiomethyl)-2-styryltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-9H-purin-6-yl)urea 在
oxone 、
potassium carbonate 作用下,
以
甲醇 为溶剂,
以70%的产率得到1-ethyl-3-(9-((2S,3aS,4R,6S,6aR)-6-(n-propylsulfonylmethyl)-2-styryltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-9H-purin-6-yl)urea