1-{(2S,4R)-2,4-Bis-(tert-butyl-diphenyl-silanyloxy)-1-hydroxy-6-[2-[(1R,3aS,7aR)-1-[(S)-2-(2-hydroxy-2-methyl-propoxy)-1-methyl-ethyl]-7a-methyl-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-cyclohexyl}-propan-2-one 在
lithium diisopropyl amide 作用下,
以
四氢呋喃 为溶剂,
以100%的产率得到(2S,4R)-2,4-Bis-(tert-butyl-diphenyl-silanyloxy)-6-[2-[(1R,3aS,7aR)-1-[(S)-2-(2-hydroxy-2-methyl-propoxy)-1-methyl-ethyl]-7a-methyl-octahydro-inden-(4E)-ylidene]-eth-(E)-ylidene]-cyclohexanone