(6R)-7c-methoxy-7t-(1-methoxy-2-phenylsulfanyl-ethylideneamino)-3-methyl-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester 在
三甲基氯硅烷 作用下,
以
氯仿 为溶剂,
生成
(6R)-7c-methoxy-3-methyl-8-oxo-7t-(2-phenylsulfanyl-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester