Disclosed are a cephalosporin compound of the formula
wherein:
R¹ is an optionally protected amino group,
R² is a substituted or unsubstituted heterocyclic group having 1 to 3 hetero atoms selected from the group consisting of nitrogen and sulfur, and
R³ is an optionally protected carboxyl group or a group -COO⁻, or a salt thereof, processes for their preparation and the use thereof. The cephalosporin compound or a salt thereof is useful as an antimicrobial agent.
本发明公开了一种
头孢菌素化合物,其式中:R¹为任选保护的
氨基,R²为取代或未取代的杂环基团,该杂环基团具有 1 至 3 个选自氮和
硫组成的组的杂原子,R³为任选保护的羧基或基团-COO-,或其盐,以及其制备工艺和用途。 该
头孢菌素化合物或其盐可用作抗菌剂。