Acetic acid (3aR,5R,6S,6aR)-5-((R)-1-azido-2-trityloxy-ethyl)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-6-yl ester 在
吡啶 、
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
生成
Acetic acid (3aR,5R,6S,6aR)-5-((R)-1-azido-2-trifluoromethanesulfonyloxy-ethyl)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-6-yl ester