(2S,4S,5R,6R)-3-Methylene-4,7-dioxo-6-phenylacetylamino-4λ4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 2.0h,
生成 (2S,3S,4S,5R,6R)-3-Methyl-4,7-dioxo-6-phenylacetylamino-4λ
4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester 、 (2S,3R,4S,5R,6R)-3-Methyl-4,7-dioxo-6-phenylacetylamino-4λ
4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester