(1R,2S,3aR,7aR)-1-[[tert-butyl(dimethyl)silyl]oxymethyl]-6-[dimethyl(phenyl)silyl]-2-(oxan-2-yloxy)-2,3,3a,6,7,7a-hexahydro-1H-indene-5-carbaldehyde 、
Potassium; 4-(triphenyl-λ5-phosphanylidene)-butyrate 生成 methyl (E)-5-[(1R,2S,3aR,7aR)-1-[[tert-butyl(dimethyl)silyl]oxymethyl]-6-[dimethyl(phenyl)silyl]-2-(oxan-2-yloxy)-2,3,3a,6,7,7a-hexahydro-1H-inden-5-yl]pent-4-enoate