Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-6-acetoxymethyl-2-bromo-5-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-ylsulfanyl)-tetrahydro-pyran-4-yl ester 在
sodium methylate 、 silver fluoride 作用下,
以
甲醇 、
乙腈 为溶剂,
反应 5.0h,
生成
4-S-β-D-glucopyranosyl-4-thio-β-D-glucopyranosyl fluoride