(6R)-3-acetoxymethyl-7t-((R)-2-azido-2-phenyl-acetylamino)-5ξ,8-dioxo-(6rH)-5λ4-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 2,2-dimethyl-propionyloxymethyl ester 在
palladium on activated charcoal sodium dithionite 、
氢气 、
乙酰氯 作用下,
生成 (6
R)-3-acetoxymethyl-7
t-((
R)-2-amino-2-phenyl-acetylamino)-8-oxo-(6
rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 2,2-dimethyl-propionyloxymethyl ester