(6R)-7t-((R)-5-tert-butoxycarbonylamino-5-carboxy-pentanoylamino)-3-carbamoyloxymethyl-7c-methoxy-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2 ene-2-carboxylic acid 在
sodium hydroxide 作用下,
以
乙酸乙酯 为溶剂,
反应 2.0h,
生成
(6R)-3-carbamoyloxymethyl-7c-methoxy-8-oxo-7t-[2-(1H-[1,2,4]triazol-3-ylsulfanyl)-acetylamino]-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid