{(2S,3S)-3-[1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-2-yl}-methoxy-thioacetic acid S-m-tolyl ester 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
生成 p-nitrobenzyl 6-(1-hydroxyethyl)-1-methoxy-2-[1-(N-p-nitrobenzyloxycarbonylacetimidoyl)pyrrolidin-3-ylthio]carbapen- 2-em-3- carboxylate