p-nitrobenzyl (1R,5S,6S)-2-diphenylphosphoryloxy-6-[(1R)-1-hydroxyethyl]-1-methyl-1-carbapen-2-em-3-carboxylate 、
(2 S ,4 S)-4-mercapto-1-methyl-2-[4-(4-nitrobenzyloxycarbonylamidino)piperazin-1-ylcarbonyl]pyrrolidine 在
sodium chloride 、
碳酸氢钠 、
N,N-二异丙基乙胺 作用下,
以
水 、
乙腈 为溶剂,
生成 4-Nitrobenzyl (1R,5S,6S)-6-[(1R)-1-hydroxyethyl]-1-methyl-2-{(2S,4S)-1-methyl-2-[4-(4-nitrobenzyloxycarbonylamidino)piperazin-1-ylcarbonyl]pyrrolidin-4-ylthio}-1-carbapen-2-em-3-carboxylate