(6R,7R)-4-[1-Methoxycarbonyl-meth-(E)-ylidene]-3-methyl-8-oxo-7-(2-thiophen-2-yl-acetylamino)-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)-4-[1-Methoxycarbonyl-meth-(E)-ylidene]-3-methyl-8-oxo-7-(2-thiophen-2-yl-acetylamino)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid