[(3aR,4S,6S,7R,7aS)-4-(iodomethyl)-6-methoxy-2,2-dimethyl-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-7-yl]oxy-tert-butyl-dimethylsilane 在
samarium diiodide 作用下,
以
四氢呋喃 、
六甲基磷酰三胺 为溶剂,
以47%的产率得到(3aS,4S,5S,6S,6aS)-4-(tert-Butyl-dimethyl-silanyloxy)-2,2,6-trimethyl-tetrahydro-cyclopenta[1,3]dioxol-5-ol