4-Bromo-benzoic acid (E)-(R)-1-((E)-5-{(1S,2S,6R)-6-[3-(tert-butyl-dimethyl-silanyloxy)-propyl]-2-hydroxy-1,2-dimethyl-5-[1-methyl-2-oxo-eth-(Z)-ylidene]-cyclohexyl}-2-methyl-pent-2-enyl)-3,7-dimethyl-octa-2,6-dienyl ester 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 3.0h,
生成 4-Bromo-benzoic acid (E)-(R)-1-{(E)-5-[(1S,2S,6R)-6-[3-(tert-butyl-dimethyl-silanyloxy)-propyl]-2-hydroxy-5-(2-hydroxy-1-methyl-ethyl)-1,2-dimethyl-cyclohexyl]-2-methyl-pent-2-enyl}-3,7-dimethyl-octa-2,6-dienyl ester