(3R,4S)-3-[(S)-1-(triethylsilyloxy)ethyl]-1-[(R)-1-phenylethyl]-4-[2-(trimethylsilyl)ethynyl]-2-azetidinone 、
四丁基氟化铵 以
溶剂黄146 为溶剂,
以to obtain 435 mg (yield 93%) of the title compound as colorless oily substance的产率得到(3R,4S)-3-[(S)-1-hydroxyethyl]-1-[(R)-1-phenylethyl]-4-ethynyl-2-azetidinone