methyl (2S)-2-({[1-(diphenylmethyl)-2-oxo-1,2-dihydropyridin-3-yl]carbonyl}amino)-5-(nitrocarbamimidamido)pentanoate 、
sodium hydroxide 以
tetrahydrofuran methanol 为溶剂,
以to provide 21 mg (2S)-2-({[1-(diphenylmethyl)-2-oxo-1,2-dihydropyridin-3-yl]carbonyl}amino)-5-(nitrocarbamimidamido)pentanoic acid, 74 following aqueous workup的产率得到(2S)-2-({[1-(diphenylmethyl)-2-oxo-1,2-dihydropyridin-3-yl]carbonyl}amino)-5-(nitrocarbamimidamido)pentanoic acid