摘要:
The invention relates to antimicrobial compositions comprising a combination of (1) a therapeutically effective amount of a compound of formula I ##STR1## with (2) a second ingredient selected from carbapenem antibiotics or with .beta.-lactamase inhibitors, to the use of the compositions for producing a medicament for the treatment and prophylaxis of infectious diseases, including MRSA infections, and to pharmaceutical compositions containing the combination.
摘要:
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.
摘要:
Compounds of formula (I) ##STR1## wherein R.sup.1 is hydrogen, lower alkyl, aralkyl, cycloalkyl, R.sup.3 CO-- or --C(R.sup.4 R.sup.5)CO.sub.2 R.sup.6 ; where R.sup.4 and R.sup.5 are each independently hydrogen or lower alkyl, or R.sup.4 and R.sup.5 taken together with the carbon atom to which they are attached form a cycloalkyl group; R.sup.3 is hydrogen or lower alkyl and R.sup.6 is hydrogen, lower alkyl, lower alkenyl or a carboxylic acid protecting group;R.sup.2 is isobutyl, 2,2-dimethyl-propyl or cyclohexyl-methyl;n is 0, 1 or 2;X is CH or N;as well as readily hydrolyzable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts are disclosed. These compounds have valuable antibacterial activity.
摘要:
The present invention relates to compounds of formula I ##STR1## wherein R.sup.1 is a group selected from 2-, 3-, and 4-hydroxyphenyl, 3-nitrophenyl, and 3-fluoro-4-hydroxyphenyl; as well as readily hydroyzable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts.
摘要:
Disclosed are cephalosporin derivatives of the general formula wherein R is an organic residue with a molecular weight not exceeding 400 bonded to the adjacent sulphur atom via carbon and consisting of carbon, hydrogen, and optional oxygen, sulfur, nitrogen and/or halogen atoms; R1 is hydrogen, lower alkyl or phenyl; and A is a secondary, tertiary or quaternary nitrogen atom bound directly to the propenyl group and being substituted by an organic residue with a molecular weight not exceeding 400 and consisting of carbon, hydrogen, and optional oxygen, sulfur, nitrogen and/or halogen atoms, as well as readily hydrolyzable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts.
摘要:
The present invention relates to cephalosporin derivatives of the general formula where R1 is halogen, lower alkyl, phenyl, benzyl, styryl, naphthyl or heterocyclyl; the lower alkyl, phenyl, benzyl, styryl, naphthyl and heterocyclyl being optionally substituted by at least one of halogen, hydroxy, optionally substituted lower alkyl, optionally substituted lower alkoxy, optionally substituted phenyl, amino, lower alkylamino, di-lower alkylamino, carboxy, lower alkylcarboxy, carbamoyl or lower alkylcarbamoyl; R4, R5 independently are hydrogen, lower alkyl or phenyl; X is S, O, NH or CH2; n is 0,1 or 2; m is 0 or 1; s is 0 or 1; R2 is hydrogen, hydroxy, —CH2—CONHR6, lower alkyl-Qr, cycloalkyl-Qr, lower alkoxy, lower alkenyl, cycloalkenyl-Qr, lower alkynyl, aralkyl-Qr, aryl-Qr, aryloxy, aralkoxy, a heterocyclic ring or a heterocyclyl-Qr, the lower alkyl, cycloalkyl, lower alkoxy, lower alkenyl, cycloalkenyl, lower alkynyl, aralkyl, aryl, aryloxy, aralkoxy and the heterocyclic ring may be substituted with at least one group selected from carboxy, amino, nitro, cyano, —SO2NHR6, optionally fluoro substituted lower alkyl, lower alkoxy, hydroxy, halogen, —CONR6R7, —CH2CONR6R7, —N(R7)COOR8, R7CO—, R7OCO—, R7COO —, —C(R7R9)CO2R8, —C(R7R9)CONR7R10, wherein R6 is hydrogen, lower alkyl, cycloalkyl or aryl; R7 and R9 are independently hydrogen or lower alkyl; R8 is hydrogen, lower alkyl, lower alkenyl or a carboxylic acid protecting group; and R10 is hydrogen, &ohgr;hydroxy-alkyl, phenyl, naphthyl or heterocyclyl, the phenyl, naphthyl or heterocyclyl being unsubstituted or substituted with at least one of the groups of optionally protected hydroxy, halogen, optionally substituted lower alkyl or &ohgr;-hydroxyalkyl, optionally substituted lower alkoxy and/or cyano, or R7 and R10 form together group of formula Q is —CHR—, —CO— or —SO2—; r is 0 or 1; R is hydrogen or lower alkyl; and R3 is hydroxy, —O−, lower-alkoxy, or —OM and M represents an alkali metal; as well as 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 preparation of such compounds, their use for the treatment of infectious diseases and pharmaceutical preparations containing such compounds.
摘要:
The present invention relates to compounds having the formula ##STR1## wherein X, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, and R.sup.7 are as defined herein as well as readily hydrolyzable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts. These compounds have valuable pharmacological activity for the treatment and prophylaxis of infectious diseases, especially those caused by methicillin resistant Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa.
摘要:
Compounds of formula I whereinR.sup.1 is hydrogen, lower alkyl which is unsubstituted or substituted by fluoro, aralkyl, cycloalkyl, --COR.sup.4 or --C(R.sup.5 R.sup.6)CO.sub.2 R.sup.7 --C(R.sup.5 R.sup.6)CONHR.sup.7 ; where R.sup.5 and R.sup.6 are each independently hydrogen or lower alkyl, or R.sup.5 and R.sup.6 taken together form a cycloalkyl group; R.sup.4 is hydrogen or lower alkyl and R.sup.7 is hydrogen, lower alkyl, lower alkenyl or a carboxylic acid protecting group;R.sup.2 is hydrogen, hydroxy, lower alkyl-Q.sub.m, cycloalkyl, lower alkoxy, lower alkenyl, cycloalkenyl, lower alkynyl, aralkyl-Q.sub.m, aryl-Q.sub.m, aryloxy, aralkoxy, a heterocyclic ring or heterocyclyl lower alkyl, the lower alkyl, cycloalkyl, lower alkoxy, lower alkenyl, cycloalkenyl, lower alkynyl, aralkyl, aryl, aryloxy, aralkoxy and the heterocyclic ring being unsubstituted or substituted with at least one group selected from carboxy, amino, nitro, cyano, lower alkyl which is unsubstituted or substituted by fluoro, lower alkoxy, hydroxy, halogen, --COR.sup.6, --C(R.sup.5 R.sup.6)CO.sub.2 R.sup.7, --C(R.sup.5 R.sup.6)CONR.sup.5 R.sup.8, --CONR.sup.5 R.sup.6, --N(R.sup.6)COOR.sup.10, R.sup.6 OCO-- or R.sup.6 COO-- where R.sup.5 and R.sup.6 are hydrogen or lower alkyl; R.sup.7 is hydrogen, lower alkyl, lower alkenyl or a carboxylic acid protecting group; R.sup.8 is hydrogen, lower alkyl or phenyl which is unsubstituted or substituted with at least one halogen, hydroxy, amino, lower alkyl, or lower alkoxy; R.sup.10 is lower alkyl, lower alkenyl or a carboxylic acid protecting group;Q is --CHR--, --CO-- or --SO.sub.2 --;R is hydrogen or lower alkyl;R.sup.3 is hydroxy, --O--, lower alkoxy, --OM and M represents an alkali metal;m is 0 or 1;n is 0, 1 or 2;x is CH or Nas 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 are provided. These compounds have valuable antiinfective properties.
摘要翻译:式I化合物,其中R 1是氢,未被取代或被氟取代的低级烷基,芳烷基,环烷基,-COR 4或-C(R 5 R 6)CO 2 R 7 -C(R 5 R 6)CONHR 7; 其中R 5和R 6各自独立地为氢或低级烷基,或者R 5和R 6一起形成环烷基; R4是氢或低级烷基,R7是氢,低级烷基,低级烯基或羧酸保护基; R2是氢,羟基,低级烷基-Qm,环烷基,低级烷氧基,低级烯基,环烯基,低级炔基,芳烷基-Qm,芳基-Qm,芳氧基,芳烷氧基,杂环或杂环基低级烷基,低级烷基,环烷基, 低级烷氧基,低级烯基,环烯基,低级炔基,芳烷基,芳基,芳氧基,芳烷氧基,杂环是未取代的或被至少一个选自羧基,氨基,硝基,氰基,未被取代或被氟取代的低级烷基 ,低级烷氧基,羟基,卤素,-COR6,-C(R5R6)CO2R7,-C(R5R6)CONR5R8,-CONR5R6,-N(R6)COOR10,R6OCO-或R6COO-,其中R5和R6是氢或低级烷基; R7是氢,低级烷基,低级烯基或羧酸保护基; R8是氢,低级烷基或未取代的或被至少一个卤素,羟基,氨基,低级烷基或低级烷氧基取代的苯基; R 10为低级烷基,低级烯基或羧酸保护基; Q是-CHR-,-CO-或-SO 2 - ; R是氢或低级烷基; R3是羟基,-O-,低级烷氧基,-OM,M代表碱金属; m为0或1; n为0,1或2; x是CH或N,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。 这些化合物具有有价值的抗感染性。