(3R,4S)-1-[(2-bromophenyl)methyl]-4-[(1R)-1-hydroxybut-3-ynyl]-3-methoxyazetidin-2-one 在
copper diacetate 、
potassium carbonate 作用下,
以
乙腈 为溶剂,
反应 20.0h,
以100%的产率得到(3R,4S)-1-[(2-bromophenyl)methyl]-4-[(1R,8R)-8-[(2S,3R)-1-[(2-bromophenyl)methyl]-3-methoxy-4-oxoazetidin-2-yl]-1,8-dihydroxyocta-3,5-diynyl]-3-methoxyazetidin-2-one