在
                                                                                                                                                                                 
barium dihydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 97.0h,
                                                                                                                以100%的产率得到(2E,4E,7S)-7-[tert-butyl(dimethyl)silyl]oxy-8-[(2S,6R)-2-[(2S,3R)-3-[(2R,4S,6R)-6-[(2S,3S,4R,5S,6S)-5-[tert-butyl(dimethyl)silyl]oxy-3-[(2E,4E,7S)-7-[tert-butyl(dimethyl)silyl]oxy-8-[(2S,6R)-2-[(2S,3R)-3-[(2S,4S,6R)-6-[(2R,3R,4S,5S,6S)-3,5-dihydroxy-8-[(2S,4R,6S)-4-methoxy-6-methyloxan-2-yl]-4,6-dimethyloctan-2-yl]-2-(4-methoxyphenyl)-1,3-dioxan-4-yl]-2-methoxybutyl]-3,6-dihydro-2H-pyran-6-yl]-4-methylocta-2,4-dienoyl]oxy-8-[(2S,4R,6S)-4-methoxy-6-methyloxan-2-yl]-4,6-dimethyloctan-2-yl]-2-(4-methoxyphenyl)-1,3-dioxan-4-yl]-2-methoxybutyl]-3,6-dihydro-2H-pyran-6-yl]-4-methylocta-2,4-dienoic acid