(R)-3-[(E)-2-(2-Guanidino-ethylcarbamoyl)-vinyl]-8-oxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester 在
间氯过氧苯甲酸 作用下,
生成 (R)-3-[(E)-2-(2-Guanidino-ethylcarbamoyl)-vinyl]-5,5,8-trioxo-7-[1-pyridin-2-yl-meth-(Z)-ylidene]-5λ
6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester