Acetic acid (2R,3R,4S,5R,6R)-3-acetoxy-6-acetoxymethyl-2-benzyloxy-5-((2S,3R,4S,5R,6R)-3,4-diacetoxy-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-4-yl ester 在
二乙胺基三氟化硫 作用下,
以
二氯甲烷 为溶剂,
反应 48.0h,
以70%的产率得到Acetic acid (2R,3R,4S,5R,6R)-3-acetoxy-6-acetoxymethyl-2-benzyloxy-5-((2R,3R,4S,5S,6S)-3,4-diacetoxy-6-fluoromethyl-5-hydroxy-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-4-yl ester