trifluoromethanesulfonic acid 1-(diethoxyphosphoryl)-(3R,4R,5R, 6R)-2-(6-methoxy-2-methyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-ethyl ester 在
cesium fluoride 作用下,
以
叔丁醇 为溶剂,
反应 3.0h,
生成
[1-fluoro-(3R,4R,5R,6R)-2-(6-methoxy-2,2-dimethyltetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-ethyl]-phosphonicacid diethyl ester 、
[1-fluoro-(3R,4R,5R,6R)-2-(6-methoxy-2,2-dimethyltetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-ethyl]-phosphonicacid diethyl ester