摘要:
Cephalosporin derivatives of the general formula
in which R³ is a group of the formula
R⁶⁰ and R⁶⁵ are hydrogen or lower alkyl, R¹⁵-R¹⁹ are each independently hydrogen, halogen or hydroxy, n is zero or 1, R⁴ and R⁵ are each hydrogen, halogen, lower alkyl, lower alkoxy or amino, R⁷ is hydrogen or lower alkyl and R⁸ is lower alkyl, halo- lower alkyl, C₃-C₇ cycloalkyl or mono-, di- or trihalophenyl, and Z is N or C-R⁹, where R⁹ is hydrogen, halogen, lower alkyl or lower alkoxy; and, when R⁴ is fluoro, R⁵ and R⁷ are hydrogen. R⁸ is cyclopropyl and Z is C-H, R³ can also be one of the groups
in which R⁶¹ and R⁶⁶ are hydrogen or methyl, R¹⁵-R¹⁹ are as above and R⁹⁰ is hydrogen, hydroxy, carboxy, amino or [[4-(lower alkyl)-2,3-dioxo-1-piperazinyl]carbonyl]amino; pharmaceutically acceptable acid or base addition salts thereof, hydrates of compounds of formula I and hydrates of such salts. The products have antibacterial activity.
摘要翻译:通式的头孢菌素衍生物,其中R 3为式CHEM R 6和O 6的基团是氢或低级烷基,R 1, R 5 -R 9各自独立地为氢,卤素或羟基,n为0或1,R 4和R 5各自为氢,卤素,低级烷基,低级烷氧基或氨基, R 7是氢或低级烷基,R 8是低级烷基,卤代低级烷基,C 3 -C 7环烷基或单 - ,二 - 或三卤代苯基,Z是N或CR 9,其中R 9是 氢,卤素,低级烷基或低级烷氧基; 当R 4为氟时,R 5和R 7为氢。 R 8是环丙基,Z是CH,R 3也可以是其中R 6'和R 6'是氢或甲基的基团,R 1 R 5和R 9如上所述,R 9是氢,羟基,羧基,氨基或[[4-(低级烷基)-2,3-二氧代-1-哌嗪基 ]羰基]氨基; 其药学上可接受的酸或碱加成盐,式I化合物的水合物和这些盐的水合物。 该产品具有抗菌活性。
摘要:
β-Lactam compounds of the formula in which R₁ is a cyclic or secondary acyclic amino group which independently has antibacterial activity; R₂ is hydrogen, lower alkoxy, lower alkylthio or formamido; R₃ is hydrogen or an organic group bonded through carbon, oxygen, sulfur or nitrogen; R₄ is an electronegative acidic group; or R₃ and R₄ together form a heterocycle; and R₅ is hydrogen or lower alkyl, except when R₃ and R₄ form a heterocycle, in which case R₅ is hydrogen only; and readily hydrolyzable esters and pharmaceutically acceptable salts of these compounds, and hydrates of any of the foregoing. The products have antibacterial activity.
摘要:
Leicht hydrolysierbare Ester von Cephalosporinderivaen der allgemeinen Formel in der A eine der Gruppen bedeutet und R' Wasserstoff, Methyl oder Carboxy-niederes Alkyl, X Schwefel, Sauerstoff oder eine der Gruppen -SO-oder ―SO 2 ―, Y die Gruppe -CH = oder Stickstoff, Z Schwefel oder Selen, R 2 Wasserstoff, ggfs. durch Carboxy, Hydroxy, leicht hydrolysierbares Acyloxy, Dimethylamino und/oder Phenyl substituiertes niederes Alkyl, niederes Alkenyl oder Phenyl und R 3 Wasserstoff, niederes Alkyl, Phenyl-C 2-4 -alkyl oder R 4- Phenyl-niederes Alkyl, worin R 4 Halogen, niederes Alkyl oder niederes Alkoxy darstellt, bedeutet, sowie Säureadditionssalze dieser Ester und Hydrate dieser Ester bzw. Säureadditionssalze, Verfahren zu deren Herstellung und Zwischenprodukte dafür sowie entsprechende pharmazeutische Präparate. Die Produkte sind antibiotisch, insbesondere bakterizid, wirksam.
摘要:
57 Cephalosporin derivatives of the general formula
in which R 3 is a group of the formula R 6 ° and R 65 are hydrogen or lower alkyl, R 15 -R 19 are each independently hydrogen, halogen or hydroxy, n is zero or 1, R 4 and R 5 are each hydrogen, halogen, lower alkyl, lower alkoxy or amino, R 7 is hydrogen or lower alkyl and R 8 is lower alkyl, halo-lower alkyl, C 3 -C 7 cycloalkyl or mono-, di- or trihalophenyl, and Z is N or C-R 9 , where R 9 is hydrogen, halogen, lower alkyl or lower alkoxy; and, when R 4 is fluoro, R 5 and R 7 are hydrogen, R 8 is cyclopropyl and Z is C-H, R 3 can also be one of the groups
in which R 61 and R 66 are hydrogen or methyl, R 15 -R 19 are as above and R 90 is hydrogen, hydroxy, carboxy, amino or [[4-(lower alkyl)-2,3-dioxo-1-piperazinyl]carbonyl]amino; pharmaceutically acceptable acid or base addition salts thereof, hydrates of compounds of formula I and hydrates of such salts. The products have antibacterial activity.
摘要:
Cephalosporinester der allgemeinen Formel worin R2 Wasserstoff oder eine Acylgruppe und R 1 eine leicht abhydrolysierbare Gruppe bedeutet, und pharmazeutisch annehmbare Säureadditionssalze von basischen Verbindungen der Formel 1, woring R 2 eine Acylgruppe bedeutet, können hergestellt werden, indem man 7-Amino-3-methyl-3-cephem-4-carbonsäure (7-ADCA) in einem partiell chlorierten niederen Alkan mit einem bicyciischen Amidin der allgemeinen Formel worin n die Zahl 3, 4 oder 5 bedeutet, und einem Halogenid der allgemeinen Formel
X · R 1 III worin X Halogen bedeutet, und R 1 obige Bedeutung besitzt, unsetzt, die erhaltene Verbindung der Formel I, worin R 2 Wasserstoff bedeutet, erwünschtenfalls mit einem gegebenenfalls geschützten Acylierungsmittel behandelt, eine allenfalls vorhandene Schutzgruppe abspaltet und erwünschtenfalls eine erhaltene, basische Verbindung der Formel I, worin R2 eine Acylgruppe bedeutet, in ein pharmazeutisch annehmbares Säureadditionssalz überführt.
摘要:
Cephalosporin derivatives of the general formula
in which R represents one of the groups
and
and the corresponding readily hydrolyzable, pharmaceutically acceptable esters and the pharmaceutically acceptable salts and hydrates of these compounds as well as a process for their manufacture and pharmaceutical preparations which contain these compounds, furthermore the use of the compounds in the control of illnesses and for the manufacture of the aforementioned preparations.
摘要:
Die neuen Verbindungen der allgemeinen Formel worin entweder R' wasserstoff, einen durch Reduktion leicht entfernbaren Rest, niederes 1-Hydroxyalkyl oder niederes Alkanoyl und R 2 Wasserstoff oder R 1 und R 2 je einen durch Reduktion leicht entfernbaren Rest, R 3 Wasserstoff oder niederes Alkyl, R 4 Wasserstoff oder eine leicht entfernbare Schutzgruppe und A niederes Alkyliden oder (C 5-7 )-Cycloalkyliden bedeuten, sind wertvolle Zwischenprodukte zur Herstellung von antimikrobiell wirksamen β-Lactamen.
摘要:
Cephalosporin derivatives of the general formula
in which R represents one of the groups and
and the corresponding readily hydrolyzable, pharmaceutically acceptable esters and the pharmaceutically acceptable salts and hydrates of these compounds as well as a process for their manufacture and pharmaceutical preparations which contain these compounds, furthermore the use of the compounds in the control of illnesses and for the manufacture of the aforementioned preparations.
摘要:
A process for synthesizing cephalosporin compounds of the general formula
wherein R¹ is a quinolonyl or an azaquinolonyl group; R² is selected from the group consisting of hydrogen, lower alkoxy, amino, lower alkylthio and lower alkanoylamino; and R³ is selected from the group consisting of hydrogen and an acyl group, including the pharmaceutically acceptable salts, readily hydrolyzable esters thereof and hydrates of said compounds; said process comprising reacting a cephalosporin compound of the formula wherein R² is selected from the group consisting of hydrogen, lower alkoxy, amino, lower alkylthio and lower alkanoylamino; R³ is selected from the group consisting of hydrogen and an acyl group; and R b is an organic base which forms a salt with the 2-COOH substituent which salt is soluble in non-aqueous organic solvents, with an activated quinolone compound of formula
wherein R¹ is quinolonyl or an azaquinolonyl group; and R f is alkyl, alkenyl, aryl which may be substituted or unsubstituted, cycloalkyl which may be substituted or unsubstituted, cycloalkenyl which may be substituted or unsubstituted or aralkyl, the reaction being carried out in a non-aqueous organic solvent in the presence of a reaction promoter, whereafter, (a) for the manufacture of a readily hydrolyzable ester of a compound of formula I a carboxylic acid of formula I is subjected to a corresponding esterification, or (b) for the manufacture of salts or hydrates of a compound of formula I or hydrates of said salts a compound of formula I is converted into a salt or hydrate or into a hydrate of said salt. The end products are antibacterially active.
摘要:
A process for synthesizing cephalosporin compounds of the general formula
wherein R¹ is a quinolonyl or an azaquinolonyl group; R² is selected from the group consisting of hydrogen, lower alkoxy, amino, lower alkylthio and lower alkanoylamino; and R³ is selected from the group consisting of hydrogen and an acyl group, including the pharmaceutically acceptable salts, readily hydrolyzable esters thereof and hydrates of said compounds; said process comprising reacting a cephalosporin compound of the formula
wherein R² is selected from the group consisting of hydrogen, lower alkoxy, amino, lower alkylthio and lower alkanoylamino; R³ is selected from the group consisting of hydrogen and an acyl group; and R b is an organic base which forms a salt with the 2-COOH substituent which salt is soluble in non-aqueous organic solvents, with an activated quinolone compound of formula
wherein R¹ is quinolonyl or an azaquinolonyl group; and R f is alkyl, alkenyl, aryl which may be substituted or unsubstituted, cycloalkyl which may be substituted or unsubstituted, cycloalkenyl which may be substituted or unsubstituted or aralkyl, the reaction being carried out in a non-aqueous organic solvent in the presence of a reaction promoter, whereafter,
(a) for the manufacture of a readily hydrolyzable ester of a compound of formula I a carboxylic acid of formula I is subjected to a corresponding esterification, or (b) for the manufacture of salts or hydrates of a compound of formula I or hydrates of said salts a compound of formula I is converted into a salt or hydrate or into a hydrate of said salt.
The end products are antibacterially active.
摘要翻译:一种合成通式的头孢菌素化合物的方法,其中R 1是喹啉酮基或氮杂喹啉酮基; R 2选自氢,低级烷氧基,氨基,低级烷硫基和低级烷酰氨基; R 3选自氢和酰基,包括其药学上可接受的盐,易水解的酯和所述化合物的水合物; 所述方法包括使式CHEM的头孢菌素化合物,其中R 2选自氢,低级烷氧基,氨基,低级烷硫基和低级烷酰氨基; R 3选自氢和酰基; 和Rb是与可溶于非水有机溶剂的2-COOH取代基形成盐的有机碱,其中通式为CHEM的喹诺酮化合物,其中R 1为喹啉酮基或氮杂喹啉酮基; 并且R f是烷基,烯基,可以是取代或未取代的芳基,可以是取代或未取代的环烷基,可以是取代或未取代的芳烯基或芳烷基,该反应在非水有机溶剂中,在 反应促进剂,然后(a)为了制备式I化合物的易水解酯,式I的羧酸经受相应的酯化反应,或(b)制备化合物的盐或水合物 式I化合物或式I化合物的所述盐的水合物转化为盐或水合物或所述盐的水合物。 最终产品具有抗菌活性。