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    • 5. 发明授权
    • PYRAZOLO[3,4-B]PYRIDINE COMPOUNDS, AND THEIR USE AS PDE4 INHIBITORS
    • 吡唑并[3,4-B]吡啶类化合物及其作为PDE4抑制剂的用途
    • EP1940835B1
    • 2011-03-30
    • EP06779578.1
    • 2006-09-29
    • GLAXO GROUP LIMITED
    • EDLIN, Christopher, DavidHOLMAN, StuartJONES, Paul, SpencerKEELING, Suzanne, ElaineLINDVALL, Mika, KristianMITCHELL, Charlotte, JaneTRIVEDI, Naimisha
    • C07D471/04C07D519/00A61K31/437A61P29/00
    • C07D471/04
    • The invention provides a compound of formula (I) or a salt thereof: wherein R2 is H, C1-3alkyl, n butyl, C1-2fluoroalkyl, cyclopropyl, cyclobutyl, (cyclopropyl)methyl , CN, or CH2OH; R3 is inter alia optionally substituted C4-7cycloalkyl or an optionally substituted heterocyclic group (aa), (bb) or (cc); Ra is H, methyl or ethyl; Rb is H or methyl; R4 is H, methyl, ethyl, n propyl, C(O) Me, or C(O) C1fluoroalkyl; and R5 is: C(O) (CH2)n Ar, C(O) Het, C(O) C1 6alkyl, C(O) C1fluoroalkyl, C(O) (CH2)2 C(O) NR15bNR15b, C(O) CH2 C(O) NR15bNR15b, C(O) NR15b (CH2)m1 Ar, C(O) NR15b Het, C(O) NR15b C1-6 alkyl, C(O) NR5aR5b, S(O)2 (CH2)m2-Ar, S(O)2 Het, S(O)2-C1-6alkyl, or CH2 Ar; or R4 and R5 taken together are -(CH2)p1-, (CH2)2 X5 (CH2)2 , C(O) (CH2)p2 ,-C(O)-N(R15) (CH2)p3 ; or NR4R5 is of sub-formula (y), (y1), (y2) or (y3). The invention also provides the use of the compounds as inhibitors of phosphodiesterase type IV (PDE4) and/or for the treatment and/or prophylaxis of inflammatory and/or allergic diseases such as chronic obstructive pulmonary disease (COPD), asthma, rheumatoid arthritis, allergic rhinitis, psoriasis or atopic dermatitis.
    • 本发明提供了式(I)化合物或其盐:其中R2是H,C1-3烷基,正丁基,C1-2氟烷基,环丙基,环丁基,(环丙基)甲基,CN或CH2OH; R 3特别是任选取代的C 4-7环烷基或任选取代的杂环基(aa),(bb)或(cc); Ra是H,甲基或乙基; Rb是H或甲基; R4是H,甲基,乙基,正丙基,C(O)Me或C(O)C1氟烷基; (O)(CH 2)n Ar,C(O)Het,C(O)C 1-6烷基,C(O)C 1氟烷基,C(O)(CH 2)2 C(O)NR 15b NR 15b,C (O)NR15bNR15b,C(O)NR15b(CH2)m1Ar,C(O)NR15bHet,C(O)NR15bCl6烷基,C(O)NR5aR5b,S(O)2(CH2) (O)2 Het,S(O)2 -C 1-6烷基或CH 2 Ar; (CH 2)2(CH 2)2,C(O)(CH 2)p2,-C(O)-N(R 15)(CH 2)p3;或者R 4和R 5一起为 - 或NR 4 R 5具有子式(y),(y 1),(y 2)或(y 3)。 本发明还提供了所述化合物作为IV型磷酸二酯酶(PDE4)抑制剂和/或用于治疗和/或预防炎性和/或过敏性疾病如慢性阻塞性肺病(COPD),哮喘,类风湿性关节炎, 过敏性鼻炎,牛皮癣或特应性皮炎。