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    • 4. 发明申请
    • PYRIMIDINE DERIVATIVES
    • 吡嗪衍生物
    • WO2002096886A1
    • 2002-12-05
    • PCT/GB2002/002408
    • 2002-05-23
    • GLAXO GROUP LIMITEDGREEN, Jennifer MargaretBRAVI, GianpaoloCARTER, MalcolmHARTLEY, Charles, DavidNAYLOR, AlanPASS, MartinPAYNE, Jeremy, JohnPEGG, Neil, Anthony
    • BRAVI, GianpaoloCARTER, MalcolmHARTLEY, Charles, DavidNAYLOR, AlanPASS, MartinPAYNE, Jeremy, JohnPEGG, Neil, Anthony
    • C07D239/42
    • C07D239/42C07D401/12C07D405/12C07D409/12
    • The invention provides the compounds of formula (I) and pharmaceutically acceptable salts thereof, in which: R 1 and R 2 are independently selected from the group consisting of H, C 1-6 alkyl, C 1-2 alkyl substituted by one to five fluorine atoms, C 3-6 alkenyl, C 3-6 alkynyl, C 3 -cycloalkylC 0-6 alkyl, C 4-12 bridged cycloalkyl, A(CR 7 R 8 ) n and B(CR 7 R 8 ) n ; R 3 is selected from the group consisting of C 1-6 alkyl, NH 2 and R 10 CONH; R 4 is C 1-2 alkyl substituted by one to five fluorine atoms; R 5 is selected from the group consisting of H, C 1-4 alkyl, C 1-2 alkyl substituted with one to five fluorine atoms, halogen and C 3-10 cycloalkylC 0-6 alkyl, with the proviso that when R 6 is H R 5 is not H. R 6 is selected from the group consisting of H, C 1-4 alkyl, C 1-2 alkyl substituted with one to five fluorine atoms, halogen, C 1-4 alkoxy, CN, NO 2 , C 1-6 alkylOCO, NH 2 CO C 1-6 alkylNHCO, NH 2 , C 1-6 alkylNH, (C 1-6 alkyl) 2 N, (C 1-6 alkyl) 2 NCO, C 1-6 alkylCONH, NH 2 SO 2 , C 1-6 alkylNHSO 2 (C 1-6 alkyl) 2 NSO 2 , C 1-6 alkylSO 2 NH, ArSO 2 NH, C 1-6 alkylSO 2 , ArSO 2 , C 3-10cycloalkylC¿0-6 alkyl, C 3-6 alkenyl and C 3-6 alkynyl, with the proviso that when R 5 is H R 6 is not H. R 7 and R 8 are independently selected from H or C 1-6 alkyl; A is an unsubstituted 5- or 6-membered heteroaryl or an unsubstituted 6-membered aryl, or a 5- or 6-membered heteroaryl or a 6-membered aryl substituted by one or more R 9 is selected from the group consisting of hydroxy, halogen, C 1-6 alkyl, C 1-6 alkyl substituted by one mor fluorine atoms, C 1-6 alkoxy, C 1-6 alkoxy substituted by one or more F, NH 2 SO 2 and C 1-6 alkylSO 2 ; R 10 is selected from the group consisting of H, C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylOC 1-6 alkyl, phenyl, HO 2 CC 1-6 alkyl, C 1-6 alkylOCOC 1-6 alkyl, C 1-6 alkylOCO, H 2 NC 1-6 alkyl, C 1-6 alkylOCONHC 1-6 alkyl and C 1-6 alkylCONHC 1-6 alkyl; B is selected from the group consisting of (II) and where (III) defines the point of attachmnent of the ring; and n is 0 to 4. Compounds of formula (I) are potent and selective inhibitors of COX-2 and are of use in the treatment of pain, fever and inflammation of a variety of conditions and diseases.
    • 本发明提供式(I)化合物及其药学上可接受的盐,其中:R 1和R 2独立地选自H,C 1-6烷基,被1至5个取代的C 1-2烷基 氟原子,C 3-6烯基,C 3-6炔基,C 3-环烷基C 1-6烷基,C 4-12桥环烷基,A(CR 7 R 8)n和B(CR 7 R 8)n; R 3选自C 1-6烷基,NH 2和R 10 CONH; R 4是被1至5个氟原子取代的C 1-2烷基; R 5选自H,C 1-4烷基,被1至5个氟原子取代的C 1-2烷基,卤素和C 3-10环烷基C 1-6烷基,条件是当R 6为HR 5时, 不是H.R 6选自H,C 1-4烷基,被1至5个氟原子取代的C 1-2烷基,卤素,C 1-4烷氧基,CN,NO 2,C 1-6烷基COO,NH 2 CO C 1-6烷基NHCO ,C 1-6烷基NH,(C 1-6烷基)2 N,(C 1-6烷基)2 CO,C 1-6烷基CONH,NH 2 SO 2,C 1-6烷基NHSO 2(C 1-6烷基)2 NSO 2,C 1-6烷基SO 2 NH,ArSO 2 NH,C 1-6烷基SO 2,ArSO 2, -10个环烷基C 0-6烷基,C 3-6烯基和C 3-6炔基,条件是当R 5是HR 6不是H. R 7和R 8独立地选自H或C 1-6烷基; A是未取代的5-或6-元杂芳基或未取代的6-元芳基,或被一个或多个R 9取代的5-或6-元杂芳基或6-元芳基选自 羟基,卤素,C 1-6烷基,被一个氟原子取代的C 1-6烷基,C 1-6烷氧基,被一个或多个F,NH 2 SO 2和C 1-6烷基SO 2取代的C 1-6烷氧基; R 10选自H,C 1-6烷基,C 1-6烷氧基,C 1-6烷基C 1-6烷基,苯基,HO 2 CCl 1-6烷基,C 1-6烷基COC 1-6烷基,C 1-6烷基COO,H 2 NC 1-6烷基,C 1-6烷基OCONHC 1 -6-烷基和C 1-6烷基CONHC 1-6烷基; B选自(II),其中(III)定义环的附着点; 并且n为0至4.式(I)化合物是COX-2的有效和选择性抑制剂,并且可用于治疗各种病症和疾病的疼痛,发热和炎症。