(3S,5R,8R,10S)-6-Acetoxy-7-benzenesulfonyl-11-(tert-butyl-dimethyl-silanyloxy)-3,5,8,10-tetramethyl-undecanoic acid methyl ester 在
sodium dihydrogenphosphate 、
sodium amalgam 作用下,
以
甲醇 、
乙酸乙酯 为溶剂,
以88%的产率得到methyl (3S,5R,6E,8R,10S)-11-{[(tert-butyl)dimethylsilyl]oxy}-3,5,8,10-tetramethylundec-6-enoate