申请人:F. HOFFMANN-LA ROCHE AG
公开号:EP0761673A1
公开(公告)日:1997-03-12
The present invention relates to cephalosporin derivatives of the general formula I
wherein
R1is a group selected from 2-, 3- and 4-hydroxyphenyl, 2- and 3-methoxyphenyl, 4-carboxyphenyl, 4-carbamoylphenyl, 3-trifluoromethylphenyl, 2- and 3-fluorophenyl, 3-nitrophenyl, 3-fluoro-4-hydroxyphenyl, 2-fluoro-4-hydroxyphenyl, 3-fluoro-2-hydroxyphenyl, 3-, 4-dihydroxyphenyl, benzyl, -CHR-phenyl, 3-hydroxybenzyl, 4-aminobenzyl, 2-, 3- and 4-fluorobenzyl, 2-, 3- and 4-methoxybenzyl, 4-nitrobenzyl, 4-carboxybenzyl, 4-trifluoromethylbenzyl, 1-naphthyl and 2-naphthyl, all hydroxy, amino, carboxy and carbamoyl substituents optionally being substituted, or is pyridinyl mono-substituted with halogen, pyrimidyl, pyrazinyl di-substituted with lower alkyl, pyridazinyl mono-substituted with halogen, piperidinyl in which the amino group may be substituted by an acyl group, thiadiazolyl, oxo-tetrahydrofuranyl, thiophenyl mono-substituted with lower alkoxycarbonyl or carbamoyl, tetrazolyl-lower alkyl, tetrahydrofuranyl-lower alkyl, thiophenyl-lower alkyl or benzimidazolyl-lower alkyl; and
Ris carboxy or esterified carboxy;
readily hydrolyzable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts, as well as the their use and the process for manufacturing such compounds.
本发明涉及公式I的头孢菌素衍生物,其中R1是从2-、3-和4-羟基苯基、2-和3-甲氧基苯基、4-羧基苯基、4-氨基甲酰基苯基、3-三氟甲基苯基、2-和3-氟苯基、3-硝基苯基、3-氟-4-羟基苯基、2-氟-4-羟基苯基、3-氟-2-羟基苯基、3-、4-二羟基苯基、苄基、-CHR-苯基、3-羟基苄基、4-氨基苄基、2-、3-和4-氟苄基、2-、3-和4-甲氧基苄基、4-硝基苄基、4-羧基苄基、4-三氟甲基苄基、1-萘基和2-萘基中选择的基团,所有羟基、氨基、羧基和氨甲酰基取代基均可取代,或是单卤代的吡啶基、嘧啶基、二取代的吡嗪基、单卤代的吡嗪基、哌啶基,其中氨基基团可以被酰基取代,噻二唑基、氧代四氢呋喃基、单取代的噻吩基,取代基为低碳基氧羰基或氨甲酰基,四氮唑基-低碳基,四氢呋喃基-低碳基,噻吩基-低碳基或苯并咪唑基-低碳基;和R是羧基或酯化羧基;这些化合物的容易水解的酯,其药学上可接受的盐以及公式I和其酯和盐的化合物的水合物,以及它们的使用和制造这些化合物的过程。