乙酸酐 、 but-3-enyl 4',6'-O-benzylidene-β-cellobioside 以
吡啶 为溶剂,
以1.02 g的产率得到Acetic acid (2R,3R,4S,5R,6R)-3-acetoxy-6-acetoxymethyl-2-but-3-enyloxy-5-((4aR,6S,7R,8S,8aR)-7,8-diacetoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-tetrahydro-pyran-4-yl ester