9-[(E)-4-((3R,4S,5R,6R)-4,5-Bis-(tert-butyl-dimethyl-silanyloxy)-6-{(2S,3S)-3-[(1R,2S)-2-(tert-butyl-dimethyl-silanyloxy)-1-methyl-propyl]-oxiranylmethyl}-tetrahydro-pyran-3-yl)-3-methyl-but-2-enylsulfanyl]-nonanoic acid methyl ester 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 18.0h,
以74%的产率得到9-((E)-4-{(3R,4S,5S,6R)-4,5-Dihydroxy-6-[(2S,3S)-3-((1S,2S)-2-hydroxy-1-methyl-propyl)-oxiranylmethyl]-tetrahydro-pyran-3-yl}-3-methyl-but-2-enylsulfanyl)-nonanoic acid methyl ester