Lincomycin Derivatives and Antimicrobial Agents Comprising the Same as Active Ingredient
申请人:Umemura Eijirou
公开号:US20090156512A1
公开(公告)日:2009-06-18
This invention provides compounds of formula (I) or its pharmacologically acceptable salt or solvate, wherein A represents aryl or a monocyclic or bicyclic heterocyclic group, R
1
represents a halide, nitro, substituted C
1-6
alkyl, optionally substituted amino, C
1-6
alkyloxycarbonyl, optionally substituted aryl, a heterocyclic group, or heterocyclic carbonyl, R
2
represents a hydrogen atom or C
1-6
alkyl, R
3
represents C
1-6
alkyl, all of R
4
, R
5
, and R
6
represent a hydrogen atom, R
7
represents C
1-6
alkyl, m is 1 or 2, and n is 1. The compounds are novel lincomycin derivatives having a potent activity against resistant pneumococci. The compounds can be used as an antimicrobial agent and are useful for preventing or treating bacterial infectious diseases.
本发明提供了式(I)的化合物或其药理学上可接受的盐或溶剂,其中A代表芳基或单环或双环杂环基,R1代表卤素、硝基、取代的C1-6烷基、可选取代的氨基、C1-6烷氧羰基、可选取代的芳基、杂环基或杂环羰基,R2代表氢原子或C1-6烷基,R3代表C1-6烷基,R4、R5和R6均代表氢原子,R7代表C1-6烷基,m为1或2,n为1。这些化合物是新型的林可霉素衍生物,对耐药性肺炎球菌具有强大的活性。这些化合物可以用作抗微生物剂,并且对于预防或治疗细菌感染性疾病是有用的。