(3-Chlorocarbonyl-2-oxo-imidazolidin-1-yl)-phosphonic acid dimethyl ester 、 6-[(2-Amino-2-phenyl-acetylamino)-methyl]-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid 在
sodium hydroxide 、
三乙胺 作用下,
以
四氢呋喃 为溶剂,
生成 6-[(2-{[3-(Dimethoxy-phosphoryl)-2-oxo-imidazolidine-1-carbonyl]-amino}-2-phenyl-acetylamino)-methyl]-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid