Beta-Lactam compound, method for preparing the same, medicinal composition for bacterially infectious disease therapy containing the same and intermediates for synthesis of the same
申请人:SANKEI PHARMACEUTICAL COMPANY LIMITED
公开号:EP0254495A2
公开(公告)日:1988-01-27
There are disclosed a β-lactam compound represented by the formula (I):
wherein R₁ and R₂ are independently a hydrogen atom or a lower alkyl group; M is a hydrogen atom, a protective group or an eliminatable group which is easily hydrolyzable in a human body; Rʹ and Rʺ are independently a hydrogen atom or a protective group; A is a mercapto group substituted by a substituted or unsubstituted polycyclic nitrogen-containing heterocyclic ring or a group represented by the following formula (a):
-OOCNR₃R₄ (a)
where R₃ and R₄ are independently a hydrogen atom or a lower alkyl group,
provided that R₁ and R₂ are both hydrogen atoms, both R₃ and R₄ being hydrogen atoms are excluded,
or its pharmaceutically acceptable salt, and a method for preparing the same, medicinal composition for microbism therapy containing the same and intermediates for synthesis of the same.
本发明公开了一种β-内酰胺化合物,由式(I)表示:
其中 R₁ 和 R₂ 独立地为氢原子或低级烷基;M 为氢原子、保护基团或在人体内易水解的可消除基团;Rʹ 和 Rʺ 独立地为氢原子或保护基团;A 为被取代或未取代的多环含氮杂环取代的巯基或下式(a)所代表的基团:
-OOCNR₃R₄ (a)
其中 R₃ 和 R₄ 独立地为氢原子或低级烷基、
但 R₁ 和 R₂ 均为氢原子,R₃ 和 R₄ 均为氢原子者除外、
或其药学上可接受的盐,以及制备上述物质的方法、含有上述物质的微生物治疗药物组合物和合成上述物质的中间体。