[(1R,3Z,4S)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-[(4-methylphenyl)sulfonyloxymethyl]cyclohexyl] benzoate 在
三乙基硼氢化锂 作用下,
以
四氢呋喃 为溶剂,
以100%的产率得到(1R,4S)-5-[2-[(1R,3aS,7aR)-7a-Methyl-1-((E)-(1R,4R)-1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-(4E)-ylidene]-eth-(Z)-ylidene]-2-oxa-bicyclo[2.2.2]octane