(+)-methyl (1R,3S,4R,5S,6R)-5-exo-{(R)-[(tert-butyl)dimethylsilyloxy][(3aR,4aR,7aR,7bS)-3a,4a,7a,7b-tetrahydro-6,6-dimethyl[1,3]dioxolo[4,5]furo[2,3-d]isoxazol-3-yl]methyl}-6-endo-(methoxymethoxy)-2,7-dioxabicyclo[2.2.1]heptan-3-exo-carboxylate 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 、
乙醚 为溶剂,
反应 0.17h,
生成 {(1R,3R,4R,5S,6R)-5-[(R)-(tert-Butyl-dimethyl-silanyloxy)-((3aR,4aR,7aR,7bS)-6,6-dimethyl-3a,4a,7a,7b-tetrahydro-[1,3]dioxolo[4',5':4,5]furo[2,3-d]isoxazol-3-yl)-methyl]-6-methoxymethoxy-2,7-dioxa-bicyclo[2.2.1]hept-3-yl}-methanol