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    • 2. 发明申请
    • PYRIDO (2,3-B) PYRAZINE DERIVATIVES
    • 吡嗪(2,3-B)吡嗪衍生物
    • WO1997024355A1
    • 1997-07-10
    • PCT/JP1996003666
    • 1996-12-13
    • FUJISAWA PHARMACEUTICAL CO., LTD.SHIMAZAKI, NorihikoSAWADA, AkihikoWATANABE, Shinya
    • FUJISAWA PHARMACEUTICAL CO., LTD.
    • C07D471/04
    • C07D471/04Y02P20/55
    • Compounds of formula (I), wherein R is pyridyl(lower)alkyl, N-oxidopyridyl(lower)alkyl or imidazolyl(lower)alkyl; R is aminophenyl, [protected amino]phenyl, [[[halophenyl](lower)alkenoyl]amino]phenyl, [[pyridyl(lower)alkenoyl]amino]phenyl, [[[N-oxidopyridyl](lower)alkenoyl]-amino]phenyl, [[[protected aminopyridyl](lower)alkenoyl]amino]-phenyl, [thiazolylcarbonylamino]phenyl which may have pyridyl, naphthyl having lower alkoxy and halogen, [dihalophenyl](lower)alkenyl, [N-oxidopyridyl](lower)alkenyl, [aminopyridyl](lower)alkenyl, [protected aminopyridyl](lower)alkenyl, [carboxypyridyl](lower)alkenyl, [protected carboxypyridyl](lower)alkenyl, [[pyridyl(lower)alkenyl]pyridyl](lower)alkenyl, [[carboxy(lower)alkenyl]pyridyl](lower)alkenyl, [[protected carboxy(lower)alkenyl]pyridyl](lower)-alkenyl, [pyridyl(lower)alkenyl]pyridyl, lower alkylbenzothiazolyl or [halopyridylcarbonyl]amino, with proviso that when R is [[4-pyridyl(lower)alkenoyl]-amino]phenyl, aminophenyl, [lower alkanoylamino]phenyl or [dihalophenyl](lower)alkenyl, then R is N-oxidopyridyl(lower)alkyl or imidazolyl(lower)alkyl, possess a strong phosphodiesterase IV (PDE IV)-inhibitory activity and a strong inhibitory activity on the production of tumor necrosis factor (TNF).
    • 式(I)化合物,其中R 1是吡啶基(低级)烷基,N-氧化吡啶基(低级)烷基或咪唑基(低级)烷基; 苯基,[[吡啶基(低级)烯酰基]氨基]苯基,[[[N-氧化吡啶基](低级)烯酰基 ] - 氨基]苯基,[[保护的氨基吡啶基](低级)烯酰基]氨基] - 苯基,[噻唑基羰基氨基]苯基,其可具有吡啶基,具有低级烷氧基和卤素的萘基,[二卤苯基](低级)烯基,[N-氧化吡啶基 (低级)烯基,[氨基吡啶基](低级)烯基,[保护的氨基吡啶基](低级)烯基,[羧基吡啶基](低级)烯基,[保护的羧基吡啶基] (低级)烯基,[[羧基(低级)烯基]吡啶基](低级)链烯基,[[保护的羧基(低级)烯基]吡啶基](低级) - 烯基,[吡啶基(低级)烯基]吡啶基,低级烷基苯并噻唑基或[ 卤代吡啶基羰基]氨基,条件是当R 2为[[4-吡啶基(低级)烯酰基] - 氨基]苯基,氨基苯基,[低级烷酰基氨基]苯基或[二卤代苯基](低级)烯基时,则R 1为 烷氧基吡啶(低级)烷基或咪唑基(低级)烷基 具有强的磷酸二酯酶IV(PDE IV) - 抑制活性和对肿瘤坏死因子(TNF)产生的强抑制活性。