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    • 3. 发明授权
    • Acyl derivatives
    • 酰基衍生物
    • US4680408A
    • 1987-07-14
    • US872320
    • 1986-06-09
    • Roland ReinerUrs Weiss
    • Roland ReinerUrs Weiss
    • C07D293/06C07D501/20C07D505/00
    • C07D293/06C07D505/00
    • There are presented compounds of the formula ##STR1## wherein R.sup.1 is one of the 3-substituents usable in cephalosporin chemistry, R.sup.2 is hydrogen, lower alkyl or COOR.sup.3 -lower alkyl, wherein R.sup.3 is hydrogen, a cation of a base or a readily hydrolyzable ester group, and X is sulphur, oxygen or one of the groups --SO-- and --SO.sub.2 --, and the readily hydrolyzable esters, readily hydrolyzable ethers and salts of these compounds and hydrates of the compounds of formula I or of their esters, ethers and salts, also presented are methods for the manufacture of these compounds as well as compounds used in their manufacture.
    • 呈现下式的化合物其中R 1是可用于头孢菌素化学的3-取代基之一,R 2是氢,低级烷基或COOR 3 - 低级烷基,其中R 3是氢,碱的阳离子或容易的 可水解的酯基,X是硫,氧或-SO-和-SO2-基团之一,以及易水解的酯,这些化合物的易水解的醚和盐以及式I化合物或其酯的水合物, 醚和盐也是用于制造这些化合物的方法以及用于其制造的化合物。
    • 5. 发明授权
    • Cephalosporin pyridinium derivatives
    • 头孢菌素吡啶衍生物
    • US5935950A
    • 1999-08-10
    • US924626
    • 1997-09-05
    • Peter AngehrnIngrid Heinze-KraussMalcolm PageUrs Weiss
    • Peter AngehrnIngrid Heinze-KraussMalcolm PageUrs Weiss
    • C07D501/04A61K31/545A61K31/546A61P31/04C07D501/00C07D501/16C07D501/24C07D501/56
    • C07D501/00Y02P20/55
    • Compounds of formula I ##STR1## wherein R.sup.1 is hydrogen, lower alkyl, cycloalkyl or acetyl;x is CH or N;n is 0, 1 or 2;m is 0 or 1;R.sup.2 is hydrogen, lower alkyl, .omega.-hydroxy alkyl, benzyl or lower alkyl-heterocyclyl, the benzyl and the heterocyclyl group being unsubstituted or substituted with at least one of the groups amino, cyano, carboxy, halogen, hydroxy, lower alkyl, lower alkoxy or --CONR.sub.2, where R is hydrogen or lower alkyl; or R.sup.2 is --CH.sub.2 CONR.sup.4 R.sup.5 ; whereinR.sup.4, R.sup.5 are each independently hydrogen, .omega.-hydroxy-alkyl, phenyl, benzyl, naphthyl or heterocyclyl, the phenyl, benzyl, naphthyl or heterocyclyl groups being unsubstituted or substituted with at least one of the groups optionally protected hydroxy, halogen, optionally substituted lower alkyl, optionally substituted lower alkoxy, .omega.-hydroxyalkyl or cyano; or R.sup.4 and R.sup.5 form together a group of formula ##STR2## with the proviso that when pyridinium ring A is pyridinium-4-yl, m is 1; as well as readily hydrolysable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts. These compounds are useful as parenteral antibiotics.
    • 其中R1是氢,低级烷基,环烷基或乙酰基的式Ⅰ化合物; x是CH或N; n为0,1或2; m为0或1; R2是氢,低级烷基,ω-羟基烷基,苄基或低级烷基 - 杂环基,苄基和杂环基是未取代的或被至少一个氨基,氰基,羧基,卤素,羟基,低级烷基,低级 烷氧基或-CONR2,其中R是氢或低级烷基; 或R 2为-CH 2 CONR 4 R 5; 其中R 4,R 5各自独立地为氢,ω-羟基 - 烷基,苯基,苄基,萘基或杂环基,苯基,苄基,萘基或杂环基为未取代的或被至少一个选自羟基,卤素, 取代的低级烷基,任选取代的低级烷氧基,ω-羟烷基或氰基; 或R 4和R 5一起形成式的基团,条件是当吡啶鎓环A为吡啶鎓-4-基时,m为1; 以及其易水解的酯,所述化合物的药学上可接受的盐和式I化合物的水合物及其酯和盐。 这些化合物可用作胃肠外抗生素。