benzyl 1-[3-[[2-(3-chloro-1,2-oxazol-5-yl)acetyl]amino]-2-oxoazetidin-1-yl]cyclohexane-1-carboxylate 在
palladium on activated charcoal 作用下,
以
乙酸乙酯 为溶剂,
以77%的产率得到1-[3-[[2-(3-chloro-1,2-oxazol-5-yl)acetyl]amino]-2-oxoazetidin-1-yl]cyclohexane-1-carboxylic acid