2-Bromomethyl-7-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-8-oxo-6-phenyl-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-3-carboxylic acid methyl ester 在
silver nitrate 作用下,
以
乙腈 为溶剂,
反应 24.0h,
以89%的产率得到7-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-2-nitrooxymethyl-8-oxo-6-phenyl-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-3-carboxylic acid methyl ester