(6
S)-3-methyl-8-oxo-7
c-(2-phenoxy-acetylamino)-(6
rH)-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester 在
palladium on activated charcoal
氢气 作用下,
以
1,4-二氧六环 、
水 为溶剂,
生成
(6S)-3-methyl-8-oxo-7c-(2-phenoxy-acetylamino)-(6rH)-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid