<4R-<4α(1αS*,2α,6β),6α>>-4-<2-(2-Methyl-5-methylene-6-phenyl-3-cyclohexen-1-yl)ethyl>-6-<2-<<(1,1-dimethylethyl)diphenylsilyl>oxy>ethyl>-2,2-dimethyl-1,3-dioxolane 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
以97%的产率得到<4S-<4α,6α(1αR*,2α,6β)>>-2-<6-<2-(2-Methyl-5-methylene-6-phenyl-3-cyclohexen-1-yl)ethyl>-2,2-dimethyl-1,3-dioxan-4-yl>ethanol