diphenylmethyl (2S,3R,5R)-3-(carboxymethyloxyimino)methyl-3-methyl-4,4,7-trioxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylate 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 、
乙酸乙酯 为溶剂,
以12%的产率得到disodium (2S,3R,5R)-3-(carboxymethyloxyimino)methyl-3-methyl-4,4,7-trioxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylate