Cephem compounds
    3.
    发明授权
    Cephem compounds 失效
    头孢烯化合物

    公开(公告)号:US4427677A

    公开(公告)日:1984-01-24

    申请号:US332830

    申请日:1981-12-21

    CPC分类号: C07D277/587

    摘要: This invention relates to novel cephem compounds of high antimicrobial activity of the formula: ##STR1## wherein R.sub.1 is amino, lower alkanoylamino or halo(lower)alkanoylamino,R.sub.2 is lower alkyl, lower alkylthio(lower)alkyl, lower alkenyl, lower alkynyl, carboxy(lower)alkyl or esterified carboxy(lower)alkyl, andX is halogen;and pharmaceutically acceptable salts thereof.

    摘要翻译: 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,低级烷酰基氨基或卤代(低级)烷酰基氨基,R2是低级烷基,低级烷硫基(低级)烷基,低级烯基,低级炔基, 羧基(低级)烷基或酯化羧基(低级)烷基,X为卤素; 及其药学上可接受的盐。

    Cephem compounds
    6.
    发明授权
    Cephem compounds 失效
    头孢烯化合物

    公开(公告)号:US4443444A

    公开(公告)日:1984-04-17

    申请号:US289503

    申请日:1981-08-03

    CPC分类号: C07D277/587

    摘要: 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 lower alkenyl, lower alkynyl, unsubstituted cycloalkyl, phenyl (lower) alkyl, phenyl (lower) alkyl substituted with halogen, or lower alkylthio (lower) alkyl; andR.sup.3 is hydrogen, carbamoyl or hydroxy (lower) alkyl, and pharmaceutically acceptable salts thereof.

    摘要翻译: 本发明涉及高抗微生物活性的新型头孢烯化合物,其具有下式:其中R 1是氨基或被保护的氨基; R2是低级烯基,低级炔基,未取代的环烷基,苯基(低级)烷基,被卤素取代的苯基(低级)烷基或低级烷硫基(低级)烷基; 和R3是氢,氨基甲酰基或羟基(低级)烷基,及其药学上可接受的盐。

    7-Acylaminocephalosporanic acid derivatives
    7.
    发明授权
    7-Acylaminocephalosporanic acid derivatives 失效
    7-酰氨基头孢烷酸衍生物

    公开(公告)号:US4438113A

    公开(公告)日:1984-03-20

    申请号:US336161

    申请日:1981-12-31

    CPC分类号: C07D277/587

    摘要: This invention relates to novel 7-acylaminocephalosporanic acid derivatives and pharmaceutically acceptable salts thereof, of high antimicrobial activity, said novel derivatives having the formula ##STR1## wherein R.sup.1 is amino or protected amino,R.sup.2 is carboxy(lower)alkyl, protected carboxy(lower)alkyl, carboxy(lower)alkenyl, protected carboxy(lower)alkenyl, or lower unsaturated aliphatic hydrocarbon,R.sup.3 is hydrogen, halogen, methyl, lower alkoxy, lower alkylthiomethyl, lower alkanoyloxymethyl or a heterocyclicthiomethyl which may have suitable substituents(s),R.sup.4 is carboxy or protected carboxy,R.sup.5 is hydrogen or lower alkyl, andX is halogen,provided that when R.sup.3 is lower alkanoyloxymethyl, then R.sup.2 is lower unsaturated aliphatic hydrocarbon, and pharmaceutically acceptable salts thereof.

    摘要翻译: 本发明涉及具有高抗微生物活性的新型7-酰基氨基头孢烷酸衍生物及其药学上可接受的盐,所述具有下式的新型衍生物:其中R1是氨基或被保护的氨基,R2是羧基(低级)烷基,被保护的羧基 )烷基,羧基(低级)烯基,受保护的羧基(低级)烯基或低级不饱和脂族烃,R3是氢,卤素,甲基,低级烷氧基,低级烷硫基甲基,低级烷酰氧基甲基或可具有合适取代基的杂环硫甲基, R4为羧基或被保护的羧基,R5为氢或低级烷基,X为卤素,条件是当R3为低级烷酰氧基甲基时,则R2为低级不饱和脂肪族烃及其药学上可接受的盐。

    Cephem compounds
    10.
    发明授权
    Cephem compounds 失效
    头孢烯化合物

    公开(公告)号:US4416879A

    公开(公告)日:1983-11-22

    申请号:US296860

    申请日:1981-08-27

    摘要: The invention relates to new cephem compounds of high antimicrobial activity, the compounds having the formula ##STR1## wherein R.sup.1 is amino or a protected amino groupR.sup.2 is a saturated 4 to 8-membered heteromonocyclic group containing one sulfur atom;R.sup.3 is carboxy or a protected carboxy group andR.sup.4 is hydrogen, lower alkyl, or a group of the formula:--CH.sub.2 R.sup.4awhereR.sup.4a is acyloxy a heterocyclicthio group which may have suitable substituents or pyridinio which may have suitable substituents with the proviso that R.sup.3 is COO.sup.- when R.sup.4a is pyridinio which may have suitable substituents.

    摘要翻译: 本发明涉及具有高抗微生物活性的新的头孢烯化合物,具有式“IMAGE”的化合物,其中R 1是氨基或被保护的氨基R2是含有一个硫原子的饱和4至8元杂单环; R3为羧基或被保护的羧基,R4为氢,低级烷基或式-CH2R4a基团,其中R4a为酰氧基,可具有适当取代基的杂环硫基或可具有适当取代基的吡啶并条件是R3为 COO - 当R 4a是吡啶并可以具有合适的取代基时。