(2S)-2-[(t-butyl)dimethylsilyloxy]-2-cyclopropylacetaldehyde 、 [(1S,3Z,5R)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(2S)-1,1-bis(methylselanyl)propan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-5-[tert-butyl(dimethyl)silyl]oxy-2-methylidenecyclohexyl]oxy-tert-butyl-dimethylsilane 生成 (1S,4S)-4-[(1R,3aS,4E,7aR)-4-[(2Z)-2-[(3S,5R)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-1-[tert-butyl(dimethyl)silyl]oxy-1-cyclopropyl-3-methylselanylpentan-2-ol