(6
R)-3-methyl-7
t-(3-methyl-2-nitro-3
H-imidazole-4-carbonylamino)-8-oxo-(6
rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
tert-butyl ester 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
生成
(6R)-7t-(2-amino-3-methyl-3H-imidazole-4-carbonylamino)-3-methyl-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid