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    • 4. 发明授权
    • Cephalosporin derivatives
    • 头孢菌素衍生物
    • US4785090A
    • 1988-11-15
    • US704077
    • 1985-02-21
    • Takashi TsuruokaSeiji ShibaharaKatsuyoshi IwamatsuTsuneo OkonogiSatoru NakabayashiYasushi MuraiHiroko OginoKiyoaki KatanoTakashi YoshidaShigeharu InoueShunzo FukatsuShinichi Kondo
    • Takashi TsuruokaSeiji ShibaharaKatsuyoshi IwamatsuTsuneo OkonogiSatoru NakabayashiYasushi MuraiHiroko OginoKiyoaki KatanoTakashi YoshidaShigeharu InoueShunzo FukatsuShinichi Kondo
    • C07D213/64C07D213/68C07D221/04C07D501/36C07D501/38A61K31/545
    • C07D221/04C07D213/64C07D213/68
    • This is a class of antibacterial compounds of the formula: ##STR1## wherein Y is straight or branched alkyl or alkenyl chain, cycloalkanomethyl of 3-6 carbon atoms, each group being optionally substituted by halogen, or a group ##STR2## wherein n is 0 or an integer of 1-3, A is a group --COR.sup.3 wherein R.sup.3 is hydroxy, a group ##STR3## wherein R.sup.4 and R.sup.5, which may be the same or different, are hydrogen or alkyl of 1-5 carbon atoms, a group ##STR4## or a 5- or 6-membered heterocyclic group containing nitrogen and/or sulfur, and R.sup.1 and R.sup.2, which may be the same or different, are hydrogen, alkyl of 1-5 carbon atoms, or R.sup.1 and R.sup.2 may be combined together to form cycloalkylidene of 3-5 carbon atoms, and Z is a group of the formula: ##STR5## wherein m is 0 or an integer of 3-5, R.sup.6 is hydrogen or alkyl of 1-3 carbon atoms, and R.sup.7, when m is an integer of 3-5, is alkyl of 1-5 carbon atoms, alkenyl, cyclopropyl, a group --(CH.sub.2).sub.p B wherein p is 0 or an integer of 1-3 and B is amino, alkyl-substituted amino, hydroxy, carboxy, carbamoyl, trifluoromethyl, sulfonic acid, sulfonic acid amide, alkylthio or cyano or, when m is 0, is alkyl of 1-5 carbon atoms, which may optionally be substituted by halogen, alkenyl, a group ##STR6## wherein R.sup.8 is hydrogen, alkyl of 1-4 carbon atoms or phenyl, or cyclopropyl, and a salt thereof.
    • 这是一类具有下式的抗菌化合物:其中Y是直链或支链烷基或烯基链,3-6个碳原子的环烷基甲基,每个基团任选被卤素取代,或基团< 其中n为0或1-3的整数,A为基团-COR 3,其中R 3为羟基,其中R 4和R 5可以相同或不同,为氢或1-5碳的烷基 原子,基团或含有氮和/或硫的5-或6-元杂环基,R 1和R 2可以相同或不同,为氢,1-5个碳原子的烷基或R1 并且R 2可以组合在一起形成3-5个碳原子的亚烷基,Z是下式的基团:其中m是0或3-5的整数,R6是氢或1-3个碳的烷基 原子和R 7,当m是3-5的整数时,是1-5个碳原子的烷基,烯基,环丙基,基团 - (CH 2)pB,其中p是0或1-3的整数,B是氨基 ,烷基取代的氨基 羟基,羧基,氨基甲酰基,三氟甲基,磺酸,磺酸酰胺,烷硫基或氰基,或当m为0时,其为1-5个碳原子的烷基,其可任选被卤素,链烯基,基团 其中R8是氢,1-4个碳原子的烷基或苯基,或环丙基及其盐。