(1S,2S,4R,7R,8R)-2-[(E)-2-[dimethyl(phenyl)silyl]ethenyl]-8-[(4-methoxyphenyl)methoxymethyl]-7-[(4R,5R)-2,2,5-trimethyl-1,3-dioxolan-4-yl]bicyclo[2.2.2]oct-5-en-2-ol 在
camphor-10-sulfonic acid 、
水 作用下,
以
甲醇 为溶剂,
反应 24.0h,
以88%的产率得到(1R,2R)-1-[(1S,2R,3R,4R,7S)-7-[(E)-2-(Dimethyl-phenyl-silanyl)-vinyl]-7-hydroxy-3-(4-methoxy-benzyloxymethyl)-bicyclo[2.2.2]oct-5-en-2-yl]-propane-1,2-diol