Acetic acid (2S,3R,4S,5S,6R)-2,5-diacetoxy-6-acetoxymethyl-3-methanesulfonyloxy-tetrahydro-pyran-4-yl ester 、
烯丙基三甲基硅烷 在
三氟化硼乙醚 作用下,
以
乙腈 为溶剂,
反应 24.0h,
生成 Acetic acid (2R,3S,4S,5S,6S)-3-acetoxy-2-acetoxymethyl-6-allyl-5-methanesulfonyloxy-tetrahydro-pyran-4-yl ester 、
Acetic acid (2R,3S,4S,5S,6R)-3-acetoxy-2-acetoxymethyl-6-allyl-5-methanesulfonyloxy-tetrahydro-pyran-4-yl ester