(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-1-[(E)-(1R,4S,5R)-5-(tert-butyl-dimethyl-silanyloxy)-1,4-dimethyl-hex-2-enyl]-7a-methyl-octahydro-indene 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 21.0h,
以90%的产率得到(1R,3S,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5S,6R)-6-hydroxy-5-methylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol