(1S,4R,4'S,5R,7R)-4-(2,2-Dimethyl-1,3-dioxolan-4-yl)-1,5-dimethoxy-7-phenyl-3,6-dioxabicyclo<3.2.0>heptan-2-one 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以98%的产率得到(R)-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-((2R,3S,4R)-3-hydroxymethyl-2,3-dimethoxy-4-phenyl-oxetan-2-yl)-methanol