(Z)-(R)-7-(2,2-Dimethyl-[1,3]dioxolan-4-yl)-2-methyl-1-((2R,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-hept-4-en-3-ol 在
四氧化锇 作用下,
生成 (R)-7-(2,2-Dimethyl-[1,3]dioxolan-4-yl)-2-methyl-1-((2R,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-heptane-3,4,5-triol