(6S,7S)-7-(4-Nitro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-8-oxo-3-(pyridin-4-ylsulfanylmethyl)-4-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester 在
溶剂黄146 、
甲基肼 作用下,
生成
benzhydryl (6S,7S)-7-amino-8-oxo-3-(pyridin-4-ylsulfanylmethyl)-4-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate