(E)-(5S,6S)-5,6-Bis-(tert-butyl-dimethyl-silanyloxy)-octa-2,7-dienal 、
(2R,6R)-2-((S)-2-Methyl-4-trimethylsilanylmethyl-pent-4-enyl)-6-(3-trimethylsilanyl-prop-2-ynyl)-3,6-dihydro-2H-pyran 在
(2S)-2-[(4S)-2-[3,5-bis(trifluoromethyl)phenyl]-5-oxo-1,3,2-dioxaborolan-4-yl]-2-[2,6-di(propan-2-yloxy)benzoyl]oxyacetic acid 、
碳酸氢钠 作用下,
以
丙腈 、
水 为溶剂,
反应 58.08h,
以69%的产率得到(2S,6S,7E,10S,11S)-10,11-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methyl-4-methylidene-1-[(2R,6R)-6-(3-trimethylsilylprop-2-ynyl)-3,6-dihydro-2H-pyran-2-yl]trideca-7,12-dien-6-ol