Matches 1 - 25 out of 25
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4463010 1-Aza-[3.2.0]-bicycloheptane-2-carboxylic acid, ester or salt thereof  
A 1-aza[3.2.0]bicycloheptan-2-carboxylic acid or salt or ester thereof having a substituent at position 7 of the formula: CR 1 R 2 wherein R 1 and R 2 are independently hydrogen, halogen or...
4455314 Penicillin derivatives  
The preparation and use of 6,α-methoxy-6,β-[2-(2-methylphenoxycarbonyl)-2-(thien-3-yl ) acetamido] penicillanic acid of formula (II): ##STR1## or a pharmaceutically acceptable salt or in vivo...
4385060 Penicillins  
6β-[2-(2'-methylphenoxycarbonyl)-2-thien-3'-ylacetamido] penicillanic acid of formula (II): ##STR1## and pharmaceutically acceptable salts and in vivo hydrolyzable esters thereof, are active...
4381307 Soft tertiary amine esters of bio-affecting carboxylic acids  
Novel derivatives of known bio-affecting carboxylic acids R-COOH are disclosed, said derivatives having the structural formula ##STR1## wherein Y and Y' are each H or C 1 -C 4 alkyl; n is 0 or 1;...
4182710 Ketenimine intermediates for 6α-methoxy-α-carboxy penicillins  
A class of ketenimine intermediates are prepared from 6-acylaminopenicillins having an α-carboxy substituent in the side-chain, and are useful in the preparation of 6α-methoxy-α-carboxy...
4081443 Penicillin oxides  
Compounds of the formula: ##STR1## (where COB is carboxy or protected carboxy and X is hydrogen or nucleophilic group) preparable by oxidation of the corresponding N-nitrosopenicillin derivatives...
4036829 Lactonyl esters of penicillins  
Lactonyl esters of Penicillins of the formula ##STR1## WHEREIN R 1 is an antibacterially active penicillin-completing side chain; R is hydrogen, methyl or phenyl; and Ra, Rb, Rc, Rd are hydrogen,...
4005073 6-Acyl derivatives of aminopenicillanic acid  
Compounds represented by the following formula ##STR1## wherein R is hydrogen, lower alkanoyloxymethyl, lower alkyl, indanyl or a radical represented by the formula ##STR2## wherein X may be...
RE29003 (R)-1-(2-furoyloxy)-3-methylbutyl-penicillin  
Compounds represented by the following formula ##EQU1## wherein A is a substituted or unsubstituted heterocyclic radical and T is a C 2 -C 5 alkyl, alkenyl, cyclopropylmethyl, cyclobutylmethyl or...
3963704 Penicillin esters  
This invention relates to a novel class of esters of penicillins and cephalosporins which, upon oral administration are absorbed into the bloodstream where they are split by enzymic action to...
3957758 6-Acyl derivatives of aminopenicillanic acid  
Compounds represented by the following formula ##EQU1## wherein A is a substituted or unsubstituted heterocyclic radical and T is a C 2 -C 5 alkyl, alkenyl, cyclopropylmethyl, cyclobutylmethyl or...
3956323 Furan, benzofuran and tetrahydrofuran carboxylic acid esters  
Compounds represented by the following formula ##EQU1## wherein A is a substituted or unsubstituted heterocyclic radical and T is a C 2 -C 5 alkyl, alkenyl, cyclopropylmethyl, cyclobutylmethyl or...
3951953 Pharmaceutical compositions  
Complexes of a semi-synthetic penicillin and an anion exchange resin cross-linked less than 4% and wherein the penicillin, with or without a non-complexed additional penicillin, is absorbed onto...
3948904 Isothiourea substituted cephalosporin derivatives  
Novel cephalosporin and penicillin antibiotic derivatives.
3894010 3-[2-(Thioacylthio)alkanamido]-1,4-[cyclo(1'-ca rboxy)-alkylenethio]azetidin-2-one derivatives and their preparation  
3-[2-(Thioacylthio)alkanamido]-1,4-[cyclo-(1'-carboxy)alkyle nethio]azetidin -2-one derivatives possessing antibacterial activity are produced by the reaction of a carbodithioic acid...
3853849 ALPHA(ARYLOXYCARBONYL)-AND ALPHA(ALKOXY-CARBONYL)-ARALKYL PENICILLINS  
New penicillins are provided which are α(aryloxycarbonyl)- and α(alkoxycarbonyl)-aralkyl penicillins represented by benzylpenicillins and thienylalkyl penicillins in which the α-carbon atom has...
3839322 (R)-1-(2-FUROYLOXY)-3-METHYLBUTYL-PENCILLIN COMPOUNDS  
Compounds represented by the following formula ##SPC1## Wherein A is a substituted or unsubstituted heterocyclic radical and T is a C 2 -C 5 alkyl, alkenyl, cycloproplymethyl, cyclobutylmethyl or...
3681342 ESTERS OF -CARBOXYBENZYLPENICILLIN  
Mono- and diesters of α-carboxybenzylpenicillin, a novel class of chemotherapeutic agents.
3492291 BENZYLOXYCARBONYLBENZYLPENICILLINS AND THEIR CATALYTIC HYDROGENATION  
3557090 Title is not available  
3767645 Title is not available  
3574189 Title is not available  
3631056 Title is not available  
3574190 Title is not available  
3803128 Title is not available  
Matches 1 - 25 out of 25