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    • 9. 发明授权
    • Erythromycin A derivatives
    • 红霉素A衍生物
    • US06169168A
    • 2001-01-02
    • US09403877
    • 1999-10-28
    • Toshifumi AsakaMasato KashimuraTomohiro SugimotoTetsuya TanikawaTakaaki IshiiAkiko Matsuura
    • Toshifumi AsakaMasato KashimuraTomohiro SugimotoTetsuya TanikawaTakaaki IshiiAkiko Matsuura
    • C07H1708
    • C07H17/08
    • An erythromycin A derivative represented by the formula: wherein n is an integer of from 1 to 8, R1 is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, R2 is a pyridylmethyl group, a quinolylmethyl group, a pyridylsulfonyl group or quinolylsulfonyl group, R3 is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or a cinnamyl group, R4 is a cladinosyloxy group or a group represented by the formula: wherein m is 0 or 1, R5 is a pyridyl group, a quinolyl group, a phenyl group, a phenyl group substituted with one, two or three members selected from alkyl groups having 1 to 6 carbon atoms, a nitro group, alkoxy groups having 1 to 3 carbon atoms and halogen atoms, or a pyridyl or quinolyl group substituted with one or two members selected from alkyl groups having 1 to 6 carbon atoms, a nitro group, alkoxy groups having 1 to 3 carbon atoms and halogen atoms; or a pharmaceutically acceptable salt thereof.
    • 由下式表示的红霉素A衍生物:其中n为1至8的整数,R 1为氢原子或具有1至6个碳原子的烷基,R 2为吡啶基甲基,喹啉甲基,吡啶基磺酰基或 喹啉基磺酰基,R3是氢原子,具有1-6个碳原子的烷基或肉桂基,R4是一个分子链烷氧基或由下式表示的基团:其中m是0或1,R5是吡啶基, 喹啉基,苯基,被一个,两个或三个选自具有1至6个碳原子的基团取代的苯基,硝基,具有1至3个碳原子的烷氧基和卤素原子,或吡啶基或​​喹啉基 被一个或两个选自具有1至6个碳原子的基团,硝基,具有1至3个碳原子的烷氧基和卤素原子取代的基团; 或其药学上可接受的盐。
    • 10. 发明授权
    • Erythromycin a derivatives
    • 红霉素a衍生物
    • US06165986A
    • 2000-12-26
    • US355827
    • 1999-08-05
    • Toshifumi AsakaMasato KashimuraAkiko MatsuuraTomohiro SugimotoTetsuya TanikawaTakaaki Ishii
    • Toshifumi AsakaMasato KashimuraAkiko MatsuuraTomohiro SugimotoTetsuya TanikawaTakaaki Ishii
    • C07H17/08A61K31/70
    • C07H17/08
    • An erythromycin A derivative represented by Formula (I): ##STR1## (wherein n is an integer of 2 to 4, R.sup.1 is a pyridylmethyl group, a furylmethyl group, a thienylmethyl group, a quinolylmethyl group or a benzyl group having 1 to 3 substitutents selected from the group consisting of an alkyl group having 1 to 5 carbon atoms, a nitro group, an alkoxy group having 1 to 5 carbon atoms, an amino group and an amino group substituted by 1 or 2 alkyl groups having 1 to 5 carbon atoms, R.sup.2 is the same group as defined for R.sup.1, a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, an acetyl group or a pyridylacetyl group, and R.sup.3 is an alkyl group having 1 to 5 carbon atoms or a cinnamyl group) or a pharmaceutically acceptable salt thereof has a strong antibacterial activity against not only known erythromycin-sensitive bacteria but also erythromycin-resistant bacteria and Haemophilus influenzae.
    • PCT No.PCT / JP97 / 03685 Sec。 371日期1999年8月5日 102(e)1999年8月5日PCT PCT 1997年10月14日PCT公布。 第WO98 / 40392号公报 日期:1998年9月17日由式(I)表示的红霉素A衍生物:其中,n为2〜4的整数,R 1为吡啶基甲基,呋喃基甲基,噻吩基甲基,喹啉甲基或苄基, 至3个选自具有1至5个碳原子的烷基,硝基,1至5个碳原子的烷氧基,氨基和被1或2个烷基取代的氨基的3个取代基,其具有1至 5个碳原子,R2为与R1,氢原子,碳原子数1〜5的烷基,乙酰基或吡啶基乙酰基所定义的基团,R3为碳原子数为1〜5的烷基或 肉桂基)或其药学上可接受的盐对于不仅已知的红霉素敏感细菌而且对红霉素抗性细菌和流感嗜血杆菌具有强的抗菌活性。