摘要:
This invention relates to novel compounds of high antimicrobial activity of the formula: ##STR1## wherein R.sup.1 is carboxy(lower)alkyl or protected carboxy(lower)alkyl,R.sup.2 is carboxy or protected carboxy,R.sup.3 is hydrogen or lower alkyl, andR.sup.4 is lower alkyl, lower alkoxy, acyloxymethyl, lower alkylthiomethyl, lower alkoxymethyl, halogen, lower alkenyl or hydrogen,and pharmaceutically acceptable salts thereof.
摘要:
The invention relates particularly to syn compounds of the formula ##STR1## wherein R.sup.2 is C.sub.1 -C.sub.8 alkyl, R.sup.5 is carboxy or pharmaceutically acceptable esterified carboxy and R.sup.6 is amino or protected amino, and pharmaceutically acceptable salt thereof, processes for making them, pharmaceutical compositions containing them and their use in treating infectious diseases.
摘要:
The invention relates to novel 7-acylamino-3-vinylcephalosporanic acid derivatives of antimicrobial activity, and to methods of preparation thereof from novel intermediate compounds of the formula: ##STR1## in which R.sub.C is amino or a group of the formula: ##STR2## wherein R.sup.8 is aryl,A.sup.12 is lower alkylene having a group of the formula: .dbd.N.about.OR.sup.4, wherein R.sup.4 is hydrogen, cyclo(lower) alkenyl, lower alkynyl, lower alkenyl, lower alkenyl substituted by carboxy or a protected carboxy group, lower alkyl, or lower alkyl substituted by one or more substituent(s) selected from carboxy, a protected carboxy group, amino, a protected amino group, cyano, phosphono, a protected phosphono group and a heterocyclic group which may have suitable substituent(s),R.sup.a is a protected amino group,R.sup.b is a protected carboxy group,R.sup.c and R.sup.d are combined to form oxo or a protected oxo group, and X.sup.1 is halogen, andR.sup.2 is carboxy or a protected carboxy group, provided that, when R.sub.C is amino, then R.sup.2 is carboxy, or a salt thereof.
摘要:
The invention relates to new cephem compounds, of high antimicrobial activity of the formula: ##STR1## wherein R.sup.1 is amino or protected amino,R.sup.2 is carboxy(lower)alkyl or protected carboxy(lower)alkyl,R.sup.3 is halogen or lower alkoxy, andR.sup.4 is carboxy or protected carboxy,and a pharmaceutically acceptable salt thereof.
摘要:
The invention relates particularly to syn compounds of the formula: ##STR1## wherein R.sup.1 is thiadiazolyl,R.sup.2 is hydrogen or an aliphatic hydrocarbon residue which may be substituted with halogen, carboxy or esterified carboxy andR.sup.5 is carboxy or functionally modified carboxy, and pharmaceutically acceptable salt thereof, processes for making them, pharmaceutical compositions containing them and their use in treating infectious diseases.
摘要:
The invention relates to new cephem compounds of high antimicrobial activity, the new cephem compounds comprising aminothiazole cycloalkenyloxyimino acetamido cephem derivatives.
摘要:
This invention relates to new compounds comprising alkoxyimino dioxy butyric acid cepham derivatives, useful as intermediates in the production of antimicrobial agents.
摘要:
Syn isomers of 3-substituted 7-[2-substituted imino-2-substituted acetamido]-3-cephem-4-carboxylic acid and salt bacteriostatic-compounds and pharmaceutical compositions thereof and processes for preparing same.
摘要:
The invention relates to new thiadiazolyl or thiazolyl-substituted cephem and cepham compounds, the pharmaceutically acceptable salts and bioprecursors thereof, of antimicrobial activity, processes for preparation thereof, intermediates for preparing the new compounds and to pharmaceutical compositions comprising the new compounds, and methods of using the compositions for treatment of infectious diseases.
摘要:
A compound of the formula (I): wherein X1 is bond or —OCH2—; X2 is —(CH2)n—, in which n is 1, 2 or 3; X3 is bond, —O—, —S—, —OCH2—, or —NH—; R1 is phenyl or pyridyl each of which may have one or two substituent(s) selected from the group consisting of hydroxy, halogen, etc.; R2 is hydrogen, (lower)alkoxycarbonyl, etc.; R3 is hydroxy(lower)alkyl; halo(lower)alkyl, etc.; R4 is aryl or unsaturated heterocyclic group, each of which may have one or two substituent(s) selected from the group consisting of lower alkyl, hydroxy, carbamoyl, halogen, lower alkoxy, etc.; and a salt thereof which is useful as a medicament.
摘要翻译:式(I)的化合物:其中X 1为键或-OCH 2 - ; X 2为 - (CH 2)n - ,其中n为1,2或3; X 3是键,-O - , - S - , - OCH 2 - 或-NH-; R 1是苯基或吡啶基,其各自可以具有一个或两个选自羟基,卤素等的取代基; R 2是氢,(低级)烷氧基羰基等; R 3是羟基(低级)烷基; 卤代(低级)烷基等; R 4是芳基或不饱和杂环基,其各自可以具有一个或两个选自低级烷基,羟基,氨基甲酰基,卤素,低级烷氧基等的取代基。 及其盐,其可用作药物。