(1R,2R)-1,2-Bis-(tert-butyl-dimethyl-silanyloxy)-2-[(R)-3-(tert-butyl-dimethyl-silanyloxy)-3-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-hexa-1,5-diynyl]-cyclopent-3-enecarbaldehyde 在
cerium(III) chloride 、
lithium hexamethyldisilazane 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以72%的产率得到(1R,3aR,6aS)-3a,6a-Bis-(tert-butyl-dimethyl-silanyloxy)-3-[(tert-butyl-dimethyl-silanyloxy)-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-vinylidene]-2-vinylidene-1,2,3,3a,6,6a-hexahydro-pentalen-1-ol