(5R,7R,8S)-8-(1-Hydroxy-1-methyl-ethyl)-2,2,5-trimethyl-3-oxa-6-thia-1-aza-bicyclo[5.2.0]nonan-9-one 在
间氯过氧苯甲酸 作用下,
以
二氯甲烷 为溶剂,
反应 0.75h,
以93.5%的产率得到(5R,7R,8S)-8-(1-Hydroxy-1-methyl-ethyl)-2,2,5-trimethyl-6,6-dioxo-3-oxa-6λ6-thia-1-aza-bicyclo[5.2.0]nonan-9-one