(4S,5R)-2,2,4-trimethyl-5-prop-2-enyl-1,3-dioxane 在
zinc(II) chloride 、
lithium diisopropyl amide 作用下,
反应 0.5h,
生成 (E)-(2S,3S,5S,6S,7S)-2-Allyl-7-(4-methoxy-benzyloxy)-9-((1R,3R,4R)-3-methoxy-4-tributylsilanyloxy-cyclohexyl)-6,8-dimethyl-3,5-bis-tributylsilanyloxy-non-8-enal