allyl (4S,8S,9R,10S,12R)-4-fluoro-10-<(S)-1-(tert-butyldimethylsilyl-oxy)ethyl>-11-oxo-1-azatricyclo<7.2.0.03,8>-undec-2-ene-2-carboxylate 在
四丁基氟化铵 、
溶剂黄146 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以65%的产率得到allyl (4S,8S,9R,10S,12R)-4-fluoro-10-<(S)-1-hydroxyethyl>-11-oxo-1-azatricyclo<7.2.0.0
3,8>-undec-2-ene-2-carboxylate