Cephalosporins
    1.
    发明授权
    Cephalosporins 失效
    头孢菌素

    公开(公告)号:US4388315A

    公开(公告)日:1983-06-14

    申请号:US307117

    申请日:1981-09-30

    CPC分类号: C07D239/47 Y02P20/55

    摘要: Cephalosporins of the formula ##STR1## wherein A is phenyl, 4-hydroxyphenyl, cyclohexyl, cyclohexene-1-yl, cyclohexa-1,4-diene-1-yl, 2-thienyl, 3-thienyl, 2-furyl, 3-furyl or 3,4-disubstituted phenyl, where the substituents, which may be identical to or different from each other, are each chlorine, hydroxyl or methoxy;Y is hydrogen or methoxy;D is hydrogen, hydroxyl, acetoxy, aminocarbonyloxy, pyridinium, aminocarbonyl-pyridinium or the group S-Het, where Het is 1-methyl-tetrazol-5-yl, tetrazol-5-yl, 3-methyl-1,2,4-thiadiazol-5-yl,1,2,4-thiadiazol-5-yl, 1,3,4-thiadiazol-5-yl, 2-methyl-1,3,4-thiadiazol-5-yl, 2-methylamino-1,3,4-thiadiazol-5-yl, 2-dimethylamino-1,3,4-thiadiazol-5-yl, 2-formylamino-1,3,4-thiadiazol-5-yl, 2-acetylamino-1,3,4-thiadiazol-5-yl, 2-methyl-1,3,4-oxadiazol-5-yl, 1,2,3-triazol-4-yl or 1,2,4-triazol-3-yl;R is hydrogen, methyl, cyclopropyl, hydroxyl, methoxy, ethoxy, mercapto, morpholino, thiomorpholino, thiomorpholino-S-oxide, thiomorpholino-S,S-dioxide, ##STR2## E is hydrogen or a protective group which is easily removable in vitro or in vivo;and non-toxic, pharmacologically acceptable salts thereof.

    摘要翻译: 其中A为苯基,4-羟基苯基,环己基,环己烯-1-基,环己-1,4-二烯-1-基,2-噻吩基,3-噻吩基,2-呋喃基,3-甲氧基苯基, 呋喃基或3,4-二取代的苯基,其中可以相同或不同的取代基各自为氯,羟基或甲氧基; Y是氢或甲氧基; D是氢,羟基,乙酰氧基,氨基羰基氧基,吡啶鎓,氨基羰基 - 吡啶鎓或S-Het基团,其中Het是1-甲基 - 四唑-5-基,四唑-5-基,3-甲基-1,2,4- 噻二唑-5-基,1,2,4-噻二唑-5-基,1,3,4-噻二唑-5-基,2-甲基-1,3,4-噻二唑-5-基,2-甲基氨基 -1,3,4-噻二唑-5-基,2-二甲基氨基-1,3,4-噻二唑-5-基,2-甲酰氨基-1,3,4-噻二唑-5-基,2-乙酰基氨基-1 ,3,4-噻二唑-5-基,2-甲基-1,3,4-恶二唑-5-基,1,2,3-三唑-4-基或1,2,4-三唑-3-基 ; R是氢,甲基,环丙基,羟基,甲氧基,乙氧基,巯基,吗啉代,硫代吗啉代,硫代吗啉代S-氧化物,硫代吗啉代-S,S-二氧化物,E是氢或保护基, 在体外或体内容易移除; 和无毒的药理学上可接受的盐。