5-[(3aR,5S,6S,6aR)-5-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-6-yloxy]-hex-5-en-1-ol 在
potassium tert-butylate 、
碘 作用下,
以
四氢呋喃 为溶剂,
生成 (3aR,5S,6S,6aR)-5-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-6-(2-iodomethyl-tetrahydro-pyran-2-yloxy)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole