申请人:British Biotech Pharmaceuticals Ltd.
公开号:US06503897B1
公开(公告)日:2003-01-07
Compounds of formula (I) are antibacterial agents wherein: R3 and R4, taken together with the carbon atoms to which they are respectively attached, form an optionally substituted saturated carbocyclic or heterocyclic ring of 5 to 16 atoms, which may be benz-fused or fused to a second optionally substituted saturated carbocyclic or heterocyclic ring of 5 to 16 atoms; and R1 and R2 are as defined in the specification.
式(I)的化合物是抗菌剂,其中:R3和R4与它们分别连接的碳原子一起形成一个可选取代的饱和碳环或杂环,含有5至16个原子,可以是苯融合的或与第二个可选取代的饱和碳环或杂环(含有5至16个原子)融合在一起;R1和R2如规范中所定义。