(1R*,2R*,3R*,4R*,5S*)-(3-methyl-3-oxetanyl)methyl 3-<(tert-butyldimethylsilyl)oxy>-2-hydroxy-4-iodo-5-methyl-cyclohexanecarboxylate 在
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
反应 6.0h,
以79%的产率得到(1R
*,2R
*,3R
*,4R
*,5S
*)-3-<(tert-butyldimethylsilyl)oxy>-2-hydroxy-4-iodo-5-methyl-1-(4-methyl-2,6,7-trioxabicyclo<2.2.2>oct-1-yl)cyclohexane