(2R,3S,6S)-6-(2-Methyl-cyclohex-2-enyl)-2-((3aR,3bS,7R,7aR,8aR)-2,2,5,5-tetramethyl-tetrahydro-[1,3]dioxolo[4,5]furo[3,2-d][1,3]dioxin-7-ylmethoxymethyl)-3,6-dihydro-2H-pyran-3-ol 在
重铬酸吡啶 、 4 Angstroem MS 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以68%的产率得到(2R,6S)-6-(2-Methyl-cyclohex-2-enyl)-2-((3aR,3bS,7R,7aR,8aR)-2,2,5,5-tetramethyl-tetrahydro-[1,3]dioxolo[4,5]furo[3,2-d][1,3]dioxin-7-ylmethoxymethyl)-6H-pyran-3-one