3-[(3R,3aR,4R,5R,6aS)-5-(tert-Butyl-dimethyl-silanyloxy)-4-[(E)-(3S,5S)-3-(tert-butyl-dimethyl-silanyloxy)-5-methyl-non-1-enyl]-3-fluoro-hexahydro-cyclopenta[b]furan-(2Z)-ylidenemethyl]-cyclobutanecarboxylic acid methyl ester 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 4.0h,
以57%的产率得到3-[(3R,3aR,4R,5R,6aS)-3-Fluoro-5-hydroxy-4-((E)-(3S,5S)-3-hydroxy-5-methyl-non-1-enyl)-hexahydro-cyclopenta[b]furan-(2Z)-ylidenemethyl]-cyclobutanecarboxylic acid methyl ester