(6R,7R)-7-(2-Hydroxy-2-phenyl-acetylamino)-4-[1-methoxycarbonyl-meth-(Z)-ylidene]-3-methyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester 在
苯甲醚 、
三氟乙酸 作用下,
反应 0.08h,
生成
(6R,7R)-7-(2-Hydroxy-2-phenyl-acetylamino)-4-[1-methoxycarbonyl-meth-(Z)-ylidene]-3-methyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid