Acetic acid (3R,4S,5R,6R)-3-acetoxy-6-acetoxymethyl-2-ethylsulfanyl-5-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-4-yl ester 、
1,2;4,5-di-O-isopropylidene-β-D-(-)-fructopyranose 在
N-碘代丁二酰亚胺 、
高氯酸 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以73%的产率得到2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl-(1->4)-2,3,6-tri-O-acetyl-β-D-glucopyranosyl-(1->3)-1,2:4,5-di-O-isopropylidene-β-D-fructopyranose