(5R)-6c-(2-benzyloxycarbonyl-ethyl)-3,3-dimethyl-7-oxo-6t-(2-phenyl-acetylamino)-(5rH)-4-thia-1-aza-bicyclo[3.2.0]heptane-2c-carboxylic acid benzyl ester 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
生成 (5
R)-6
c-(2-carboxy-ethyl)-3,3-dimethyl-7-oxo-6
t-(2-phenyl-acetylamino)-(5
rH)-4-thia-1-aza-bicyclo[3.2.0]heptane-2
c-carboxylic acid