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    • 3. 发明公开
    • Erythromycin derivatives
    • 红霉素衍。
    • EP0321185A2
    • 1989-06-21
    • EP88311785.5
    • 1988-12-13
    • BEECHAM GROUP PLC
    • Davies, John Sidney
    • C07H17/08A61K31/70
    • C07H17/08
    • 9- N ,11- O -methylene derivatives of erythromycin-9-imine (wherein the methylene group is optionally substituted) of the general formula IA or IB:
      or a pharmaceutically acceptable ester or acid addition salt thereof,
      wherein
      R¹ denotes hydrogen, an unsubstituted or substituted hydrocarbon group, a heterocyclyl group, or an acyl group;
      R³ denotes hydrogen or hydroxy;
      R⁶ denotes hydrogen or methyl;
      one of R⁷ and R⁸ denotes hydrogen, hydroxy, alkoxy,alkanoyloxy, amino, substituted amino, or a group of the formula R⁹-SO₂-O-, and the other of R⁷ and R⁸ denotes hydrogen, or
      R⁷ and R⁸ together denote an oxo group, an oxime group, or a substituted oxime group; and
      R⁹ denotes an organic group,
      possess improved acid stability, compared with erythromycin A, whilst retaining good antibacterial activity.
    • 通式IA或IB的红霉素-9-亚胺(其中亚甲基任选被取代)的9-N,11-O-亚甲基衍生物或其药学上可接受的酯或酸加成盐,其中R 1, 1>表示氢,未取代或取代的烃基,杂环基或酰基; R 3表示氢或羟基; R 6表示氢或甲基; R 7和R 8中的一个表示氢,羟基,烷氧基,烷酰氧基,氨基,取代的氨基或式R 9 -SO 2 -O-的基团,R 7和 R 8表示氢,或R 7和R 8一起表示氧代基,肟基或取代的肟基; R 9表示有机基团,与红霉素A相比具有改善的酸稳定性,同时保持良好的抗菌活性。
    • 7. 发明公开
    • Erythromycin derivatives
    • 红霉素衍生物
    • EP0321185A3
    • 1989-11-02
    • EP88311785.5
    • 1988-12-13
    • BEECHAM GROUP PLC
    • Davies, John Sidney
    • C07H17/08A61K31/70
    • C07H17/08
    • 9- N ,11- O -methylene derivatives of erythromycin-9-imine (wherein the methylene group is optionally substituted) of the general formula IA or IB:
      or a pharmaceutically acceptable ester or acid addition salt thereof,
      wherein
      R¹ denotes hydrogen, an unsubstituted or substituted hydrocarbon group, a heterocyclyl group, or an acyl group;
      R³ denotes hydrogen or hydroxy;
      R⁶ denotes hydrogen or methyl;
      one of R⁷ and R⁸ denotes hydrogen, hydroxy, alkoxy,alkanoyloxy, amino, substituted amino, or a group of the formula R⁹-SO₂-O-, and the other of R⁷ and R⁸ denotes hydrogen, or
      R⁷ and R⁸ together denote an oxo group, an oxime group, or a substituted oxime group; and
      R⁹ denotes an organic group,
      possess improved acid stability, compared with erythromycin A, whilst retaining good antibacterial activity.
    • 通式IA或IB的红霉素-9-亚胺(其中亚甲基任选被取代)的9-N,11-O-亚甲基衍生物或其药学上可接受的酯或酸加成盐,其中R 1, 1>表示氢,未取代或取代的烃基,杂环基或酰基; R 3表示氢或羟基; R 6表示氢或甲基; R 7和R 8中的一个表示氢,羟基,烷氧基,烷酰氧基,氨基,取代的氨基或式R 9 -SO 2 -O-的基团,R 7和 R 8表示氢,或R 7和R 8一起表示氧代基,肟基或取代的肟基; R 9表示有机基团,与红霉素A相比具有改善的酸稳定性,同时保持良好的抗菌活性。