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    • 2. 发明授权
    • Cephalosporin derivatives
    • CEPHALOSPORIN衍生物
    • US5055572A
    • 1991-10-08
    • US179199
    • 1988-04-08
    • Andre FurlenmeierErwin GotschiPaul HebeisenWerner HofheinzHelmut Link
    • Andre FurlenmeierErwin GotschiPaul HebeisenWerner HofheinzHelmut Link
    • C07D519/06A61K31/545A61P31/04C07D501/36C07D501/46C07D519/00
    • C07D501/36C07D519/00Y02P20/55
    • Acyl derivatives of the formula ##STR1## in which R is an acyl group, excluding those acyl groups of the formula ##STR2## in which A is a group of the formulae --NHCO--, --NHCONHCO--, --NHCOCH.dbd.CH--, ##STR3## wherein R.sup.6 is hydrogen or lower alkyl; R.sup.1 and R.sup.2 are hydrogen or a protecting group, X is hydrogen, halogen, lower alkoxy, nitro or --OR.sup.2, n is 1 or 2, R.sup.4 and R.sup.5 are hydrogen or together represent an additional bond and Z is a direct bond or carbonyl (where R.sup.4 and R.sup.5 both represent hydrogen) or a group of the formula --O--B-- (where R.sup.4 and R.sup.5 together represent an additional bond) in which B is a straight-chain, branched or cyclic lower alkylene;and wherein R.sup.3 is a substituted bicyclic group of the formulae ##STR4## wherein R.sup.7 and R.sup.8 are independently hydrogen, lower alkyl or trifluoromethyl or, in formulae (a), (b), (e) and (f) together represent alkylene with 3 or 4 carbon atoms, and R', R" and R"' are independently hydrogen, lower alkyl or lower cycloalkyl; wherein compounds of formula I in which R.sup.4 and R.sup.5 together represent an additional bond are present in the syn-isomeric form or as a mixture with the anti-isomeric form in which the syn-isomeric form predominates,as well as readily hydrolyzable esters and salts of these compounds and hydrates of the compounds of formula I or of their esters and salts.These compounds are useful as antibiotics.
    • 除了那些其中A是式-NHCO-,-NHCONHCO-,-NHCOCH = CH-的基团的式“IMAGE”的酰基之外,其中R是酰基的式Ⅰ的酰基衍生物, 其中R6是氢或低级烷基; R1和R2是氢或保护基,X是氢,卤素,低级烷氧基,硝基或-OR2,n是1或2,R4和R5是氢或一起代表另外的键,Z是直接键或羰基( 其中R4和R5都表示氢)或式-BB-(其中R4和R5一起代表附加键)的基团,其中B是直链,支链或环状低级亚烷基; 并且其中R 3是下式的取代的双环基团:其中R 7和R 8独立地是氢,低级烷基或三氟甲基,或者在式(a),(b)中, ),(e)和(f)共同表示具有3或4个碳原子的亚烷基,R',R“和R”'独立地是氢,低级烷基或低级环烷基; 其中R 4和R 5一起代表另外的键的式Ⅰ化合物以顺式异构形式存在,或作为其中顺式异构体形式占优势的抗异构体形式的混合物以及容易水解的酯和盐 的这些化合物和式I化合物的水合物或它们的酯和盐。 这些化合物可用作抗生素。