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    • 5. 发明授权
    • 5-substituted picolinic acid compounds production by Marasmiellus sp
    • 由马拉斯马司属(Malasmiellus sp。)生产的5-取代吡啶甲酸化合物
    • US06416979B1
    • 2002-07-09
    • US09657730
    • 2000-09-08
    • Hideo HiraiKatsuomi IchikawaNakao KojimaHiroyuki NishidaKunio SatakeNobuji Yoshikawa
    • Hideo HiraiKatsuomi IchikawaNakao KojimaHiroyuki NishidaKunio SatakeNobuji Yoshikawa
    • C12P1712
    • A61K31/44
    • The present invention provides novel 5-substituted picolinic acid compounds of formula (I) or a pharmaceutically acceptable salt thereof: wherein R1 and R2 are independently H, C2-C6 acyl or halo-substituted benzoyl; and R3 is —C(O)O—C1-C6 alkyl, C(O)OH, CN, CONH2, CONHCH3, CON(CH3)2, 1-methyltetrazole or 2-methyltetrazole, with the proviso that when R2 is acetyl and R3 is methoxycarbonyl, R1 is not H; and that when R3 is CN, CONH2, CONHCH3, CON(CH3)2, 1-methyltetrazole or 2-methyltetrazole, R1 and R2 are H. The present invention also relates to a pharmaceutical composition comprising compound of the present invention, which is useful in the treatment of IL-1 and TNF mediated diseases or the like. The present invention further relates to a process for producing the compounds of the formula (I).
    • 本发明提供式(I)的新的5-取代的吡啶甲酸化合物或其药学上可接受的盐:其中R 1和R 2独立地为H,C 2 -C 6酰基或卤素取代的苯甲酰基; 并且R 3是-C(O)O-C 1 -C 6烷基,C(O)OH,CN,CONH 2,CONHCH 3,CON(CH 3)2,1-甲基四唑或2-甲基四唑,条件是当R 2是乙酰基和 R3是甲氧基羰基,R1不是H; 当R3为CN,CONH2,CONHCH3,CON(CH3)2,1-甲基四唑或2-甲基四唑时,R 1和R 2为H.本发明还涉及含有本发明化合物的药物组合物,其有用 在治疗IL-1和TNF介导的疾病等中。本发明还涉及制备式(I)化合物的方法。