allyl (4S,8S,9R,10S)-4-(N,N-bis(allyloxycarbonyl)aminomethyl)-10-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-11-oxo-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,
以66%的产率得到allyl (4S,8S,9R,10S)-4-(N,N-bis(allyloxycarbonyl)aminomethyl)-10-[(R)-1-hydroxyethyl]-11-oxo-azatricyclo[7.2.0.03,8]undec-2-ene-2-carboxylate