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    • 5. 发明申请
    • MODIFIED BENZIMIDAZOLE NUCLEOSIDES AS ANTIVIRAL AGENTS
    • 改性的苯并咪唑核苷作为抗病毒剂
    • WO1997027204A1
    • 1997-07-31
    • PCT/US1997000764
    • 1997-01-22
    • THE REGENTS OF THE UNIVERSITY OF MICHIGANGLAXO GROUP LIMITEDTOWNSEND, Leroy, B.DRACH, John, C.FREEMAN, George, A.
    • THE REGENTS OF THE UNIVERSITY OF MICHIGANGLAXO GROUP LIMITED
    • C07H19/052
    • C07D471/04C07H7/06C07H9/04C07H11/00C07H19/052
    • This invention pertains to nucleoside analogs which have antiviral activity and improved metabolic stability. More specifically, this invention pertains to modified sugar benzimidazole nucleosides, as exemplified by compounds such as benzimidazole nucleosides possessing a fluorinated sugar-like moiety (for example, a 2'-fluoro-furanosyl moiety or a 3'-fluoro-furanosyl moiety), and may be represented by formula (I) wherein R is a fluorinated sugar-like moiety; and R , R , R , R and R are benzimidazole substituents, such as -H, halogens (e.g., -F, -C1, -Br, -I), -NO2, -NR2 (where R is independently -H or an alkyl group having 1-6 carbon atoms), -OR (where R is -H or an alkyl group having 1-6 carbon atoms), -SR (where R is -H or a hydrocarbyl of 1-10 carbon atoms), and -CF3. In one embodiment, R is 2'-fluoro-furanosyl or 3'-fluoro-furanosyl; R is -H, -F, -C1, -Br, -I, or -NR2, wherein R is independently -H or an alkyl group having 1-6 carbon atoms; R , R , R and R are independently -H, -F, -C1, -Br, or -I.
    • 本发明涉及具有抗病毒活性和改善的代谢稳定性的核苷类似物。 更具体地,本发明涉及改性糖苯并咪唑核苷,例如化合物例如具有氟化糖样部分的苯并咪唑核苷(例如2'-氟 - 呋喃糖基部分或3'-氟 - 呋喃糖基部分), 并且可以由式(I)表示,其中R 1是氟化糖样部分; R 2,R 4,R 5,R 6和R 7是苯并咪唑取代基,例如-H,卤素(例如-F,-C1,-Br,-I) ,-NO 2,-NR 2(其中R独立地是-H或具有1-6个碳原子的烷基),-OR(其中R是-H或具有1-6个碳原子的烷基),-SR(其中R 是-H或1-10个碳原子的烃基)和-CF 3。 在一个实施方案中,R 1是2'-氟 - 呋喃糖基或3'-氟 - 呋喃糖基; R 2是-H,-F,-C 1,-Br,-I或-NR 2,其中R独立地是-H或具有1-6个碳原子的烷基; R 4,R 5,R 6和R 7独立地是-H,-F,-C 1,-Br或-I。