摘要:
3-Deoxy mycaminosyl tylonolide derivatives represented by the following general formula and salts thereof: wherein X represents an oxygen atom or =N-OR⁴ (wherein R⁴ represents hydrogen or lower alkyl); R¹ represents a hydrogen atom, an acyl group or an alkylsilyl group; R² represents a hydrogen atom or an acyl group; and R³ represents a hydrogen atom or a hydroxyl group. The compounds of formula (I) have excellent antibacterial activity.
摘要翻译:由下列通式表示的3-脱氧碳霉糖基太乐内酯衍生物及其盐:其中X代表氧原子或= N-OR 4(其中R 4代表氢或低级烷基); R 1代表氢原子,酰基或烷基甲硅烷基; R 2代表氢原子或酰基; R 3代表氢原子或羟基。 式(I)化合物具有优异的抗菌活性。
摘要:
As new compound are now provided ten compounds, namely 1-N-{(2R,3R)-4-amino-3-fluoro-2-hydroxybutyryl}-kanamycin A; 1-N-{(2R,3R)-4-amino-3-fluoro-2-hydroxybuty- ryl}-2',3'-dideoxykanamycin A; 1-N-{(2R,3R)-4-amino-fluoro-2-hydorxybutyryl}-2',3'-dideoxy-2'-fluorokanamycin A; 1-N-{(2R,3R)-4-amino-3-fluoro-2-hydroxybutyryl}-5-deoxy-5-fluorokanamycin A; 1-N-((2R,3R)-4-amino-fluoro-2-hydrox- ybutyryl}-kanamycin B; 1-N-{(2R,3R)-4-amino-3-fluoro-2-hy- droxybutyryl}-3'-deoxykanamycin B; 1-N-((2R,3R)-4-amino-3-fluoro-2-hydroxybutyryl}-3',4'-dideoxykanamycin B; 1-N-{(2R,3R)-4-amino-3-fluoro-2-hydroxybutyryl}-5-deoxy-5-fluorokanamycin B; 1-N-{(2R,3R)-4-amino-3-fluoro-2-hydrox- ybutyryl}-5,3'-dideoxy-5-fluorokanamycin B; and 1-N{(2R,3R)-4-amino-3-fluoro-2-hydroxybutyryl}-5,3',4'-tride- oxy-5-fluorokanamycin B, which are all useful as antibacterial agent in the therapeutic treatment of bacterial infections.