(6R)-3-methyl-8-oxo-7t-(2-phenoxy-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2c-carboxylic acid 1,1-dimethyl-allyl ester 在
间氯过氧苯甲酸 作用下,
以
氯仿 为溶剂,
生成 (6
R)-3-methyl-5ξ,8-dioxo-7
t-(2-phenoxy-acetylamino)-(6
rH)-5λ
4-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 1,1-dimethyl-allyl ester