β-lactams having a sulfonic acid substituent in the 1-position and one or two substituents as specified in the 4-position and an amine function in the 3-position, are prepared by sulfonating a corresponding β-lactam having a hydrogen substituent in the 1-position and a protected amino substituent in the 1-position and removing said amino protecting group.
通过磺化在 1 位上具有氢取代基、在 1 位上具有受保护
氨基取代基的相应 β-内酰胺,并去除所述
氨基保护基团,制备在 1 位上具有
磺酸取代基、在 4 位上具有一个或两个特定取代基、在 3 位上具有胺功能的 β-内酰胺。