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    • 11. 发明授权
    • Cephem and cepham compounds
    • Cephem和cepham化合物
    • US4331665A
    • 1982-05-25
    • US128260
    • 1980-03-07
    • Tsutomu TerajiKazuo SakaneJiro Goto
    • Tsutomu TerajiKazuo SakaneJiro Goto
    • C07C17/26C07D209/48C07D249/12C07D257/04C07D285/08C07D295/21C07D417/12C07D501/14C07D501/20C07D501/30C07D501/36A61K31/545
    • C07D209/48C07C17/263C07D249/12C07D257/04C07D285/08C07D295/21
    • 7-Substituted-3-cephem and cepham-4-carboxylic acids represented by the following formula (I): ##STR1## wherein R.sup.1 is amino or a protected amino,R.sup.2 is hydrogen, acyl, aryl which may be substituted with suitable substituent(s), lower alkyl substituted with suitable substituent(s), lower alkenyl, lower alkynyl, cycloalkyl which may be substituted with suitable substituent(s), cyclo(lower)alkenyl, or S or O containing 5-membered heterocyclic group substituted with oxo group(s),R.sup.3 is hydrogen or lower alkyl,R.sup.4 is hydrogen; acyloxy(lower)alkyl); acylthio(lower)alkyl; pyridinium(lower)alkyl which may be substituted with suitable substituent(s); a heterocyclicthio(lower)alkyl which may be substituted with suitable substituent(s); lower alkyl; halogen; or hydroxy; and,R.sup.5 is carboxy or a protected carboxy, wherein R.sup.5 is COO.sup.- when R.sup.4 is pyridinium(lower)alkyl which may be substituted with suitable substituent(s), and the heavy solid line means single or double bond, are useful as antibiotics.
    • 由下式(I)表示的7-取代的3-头孢烯和头孢烯-4-羧酸:其中R1是氨基或被保护的氨基,R2是氢,酰基,可以被 适当的取代基,被合适的取代基取代的低级烷基,低级烯基,低级炔基,可被适当取代基取代的环烷基,环(低级)烯基或含有5元杂环基的S或O 被氧代基取代,R 3是氢或低级烷基,R 4是氢; 酰氧基(低级)烷基); 酰基硫代(低级)烷基; 可用合适的取代基取代的吡啶鎓(低级)烷基; 可被适当的取代基取代的杂环硫基(低级)烷基; 低级烷基 卤素; 或羟基; 并且当R 4是可被适当的取代基取代的吡啶鎓(低级)烷基,并且重实线表示单键或双键时,R 5为羧基或被保护的羧基,其中R 5为COO-,可用作抗生素。
    • 20. 发明授权
    • Cephem compounds
    • 头孢烯化合物
    • US4463000A
    • 1984-07-31
    • US294291
    • 1981-08-19
    • Tsutomu TerajiKazuo SakaneJiro Goto
    • Tsutomu TerajiKazuo SakaneJiro Goto
    • C07C17/26C07D257/04C07D285/08C07D295/21C07D501/46A61K31/545
    • C07D257/04C07C17/26C07D285/08C07D295/21
    • This invention relates to novel cephem compounds of high antimicrobial activity of the formula: ##STR1## wherein R.sup.1 is amino or a protected amino group;R.sup.2 is hydrogen, lower aliphatic hydrocarbon group which may be substituted with suitable substituents(s), cyclo(lower)alkyl or cyclo(lower)alkenyl; andR.sup.3 is a thiazolio group which may be substituted with suitable substituents(s) or a pyridinio group substituted with substituent(s) selected from the group consisting of halogen, cyano, hydroxy, amino, acylamino, lower alkanoyl, hydroxycarbamoyl, alkylcarbamoyl, carboxy, protected carboxy, lower alkyl, hydroxy(lower)alkyl, sulfo(lower)alkyl, protected amino(lower)alkyl, amino(lower)alkyl, carboxy(lower)alkyl and hydroxyimino(lower)alkyl.
    • 本发明涉及具有下式的高抗微生物活性的新型头孢烯化合物:其中R1是氨基或被保护的氨基; R2是氢,可被适当的取代基,环(低级)烷基或环(低级)烯基取代的低级脂族烃基; 并且R 3是可以被合适的取代基取代的噻唑基或被选自卤素,氰基,羟基,氨基,酰氨基,低级烷酰基,羟基氨基甲酰基,烷基氨基甲酰基,羧基的取代基取代的吡啶基。 被保护的羧基,低级烷基,羟基(低级)烷基,磺基(低级)烷基,保护的氨基(低级)烷基,氨基(低级)烷基,羧基(低级)烷基和羟基亚氨基(低级)烷基)。