2-{(R)-2-[(E)-(1R,2R)-1,7-Bis-(tert-butyl-dimethyl-silanyloxy)-2,6-dimethyl-2-vinyl-hept-5-enyl]-3-methyl-cyclopent-2-enyl}-propan-2-ol 以95%的产率得到2-{(1R,3S)-3-[(2Z,6E)-8-(tert-Butyl-dimethyl-silanyloxy)-3,7-dimethyl-octa-2,6-dienyl]-2-[1-(tert-butyl-dimethyl-silanyloxy)-meth-(E)-ylidene]-3-methyl-cyclopentyl}-propan-2-ol