Benzoic acid (4aR,6S,8R,8aS)-7-[1-ethoxycarbonyl-meth-(E)-ylidene]-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester 在
吡啶 、 lithium aluminium tetrahydride 作用下,
以
乙醚 为溶剂,
反应 30.0h,
生成 Acetic acid (4aR,6S,8R,8aS)-7-[2-acetoxy-eth-(E)-ylidene]-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester