methyl 4-[[5-[(Z)-N'-hydroxycarbamimidoyl]-2-pyridyl]amino]-4-oxo-butanoate 、
乙酸酐 以
二氯甲烷 为溶剂,
反应 120.0h,
以giving methyl 4-[[5-[(Z)—N′-acetoxycarbamimidoyl]-2-pyridyl]amino]-4-oxo-butanoate which的产率得到methyl 4-[[5-[(Z)-N'-acetoxycarbamimidoyl]-2-pyridyl]amino]-4-oxo-butanoate