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7538212 Intermediate for carbapenem compound for oral administration and process for producing the same  
The present invention provides a novel intermediate represented by formula (1), (3), or (4) for efficiently producing a 1β-methylcarbapenem compound for oral administration, and a process for...
7459551 Method for preparing cyclic compounds  
The present invention provides a method for preparing a β-lactam compound of the following Formula (3), which comprises the step of reacting a compound of the following Formula (1) with a trialkyl...
7148356 Process for the catalytic synthesis of biaryls and polymers from aryl compounds  
A process for producing organic substituted aromatic or heteroaromatic compounds including biaryl and biheteroaryl compounds in a two-step reaction. In the first step, the aromatic or...
7115595 Carbapenem compounds  
Carbapenem compounds having a substituted phenyl or a substituted thienyl directly attached to the 3 -position of carbapenem nucleus as represented by the formula: wherein Ring E is benzene...
7045619 2-(pyrazol-3-yl)carbapenem derivatives  
A compound of formula (I): wherein R α is hydrogen, optionally substituted (C 1-6 )alkyl or optionally substituted aryl; R β is hydrogen, optionally substituted (C 1-6 )alkyl or...
7041836 Antibiotic compounds  
The present invention relates to carbapenems and provides a compound of the formula (I): or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof wherein: R 1 is...
6908913 Carbapenem derivatives  
An objective of the present invention is to provide carbapenem derivatives which have strong antibiotic activity also against MRSA, PRSP, Influenzavirus, and β-lactamase producing bacteria and are...
6867302 Process for the catalytic synthesis of biaryls and polymers from aryl compounds  
A process for producing organic substituted aromatic or heteroaromatic compounds including biaryl and biheteroaryl compounds in a two-step reaction. In the first step, the aromatic or...
6825187 Carbapenem derivatives of quarternary salt type  
An objective of the present invention is to provide carbapenem derivatives which have potent antibiotic activity against MRSA, PRSP, Influenzavirus, and β-lactamase-producing bacteria and are...
6680313 Carbapenum derivatives  
An objective of the present invention is to provide carbapenem derivatives which have potent antibiotic activity against MRSA, PRSP, Influenzavirus, and β-lactamase-producing bacteria and are...
6531466 Tricyclic carbapenem compounds  
A compound of formula (I), salts and metabolically labile esters thereof, wherein R represents optionally substituted aryl or heteroaryl group; A represents a propylene chain or A is a chain of 3 ...
6495539 B-lactam-like chaperone inhibitors  
Compounds of the formula and the salts, esters and amides thereof wherein Z is S, SO, SO 2 or O; each of R 1 , R 2 and R 3 is independently H or substituted or unsubstituted alkyl (1-10C),...
6489471 Process for the synthesis of carbapenem intermediates, and compounds produced  
A process of synthesizing a carbapenem compound of formula (6) is disclosed, wherein R represents H or methyl, P and P* independently represent H or protecting groups and each R 1 is independently...
6489318 Ethylidene derivatives of tricyclic carbapenems  
Disclosed are novel ethylidene derivatives of tricyclic carbapenems of the formula I wherein the ring marked C and X have the meaning as in the description, in the form of pure diastereoisomers...
6399597 1,8-naphthosultamylmethyl carbapenem antibacterial compounds, compositions containing such compounds and methods treatment  
Compounds of formula I are disclosed. as well as pharmaceutically acceptable salts thereof. The naphthosultam is substituted with various substituent groups including at least one cationic group...
6395894 Process for the synthesis of carbapenem intermidiates, and compounds produced  
A process of synthesizing a compound of structural formula 6 is disclosed wherein R 1 represents H or a suitable protecting group for an alcohol; R 2 represents a benzyl, C 1-6 alkyl or aryl;...
6346617 Crystalline 2-hydroxymethyl carbapenem intermediate compounds and process for synthesis thereof  
A process for preparation of a compound of formula I: wherein: R 1 represents CH 3 or H; and P represents a protecting group; comprising reacting a compound of formula IV: wherein R 1 and P...
6346526 Carbapenem antibacterial compounds, compositions containing such compounds and methods of treatment  
Compounds of formula I: as well as pharmaceutically acceptable salts thereof useful as carbapenem antibacterial agents are disclosed wherein X is CH 2 or C═O.
6310055 Halophenoxy substituted carbapenem antibacterial compounds  
The present invention relates to carbapenem antibacterial agents in which the carbapenem nucleus is substituted at the 2 -position with a iodophenoxy linked through a group --Z--CH 2 --; The...
6294529 Carbapenem antibacterial compounds, compositions containing such compounds and methods of treatment  
Compounds of formula I are disclosed. ##STR1## as well as pharmaceutically acceptable salts thereof. The naphthosultam is substituted with various substituent groups including at least one cationic...
6288054 Carbapenem antibacterial compounds, compositions containing such compounds and methods of treatment  
The present invention relates to tricyclic carbapenem antibacterial agents in which the carbapenem nucleus is fused to a 6 membered carbocyclic ring. The compound is further substituted with...
6255479 Process for the preparation of α-oxolactams  
A method for preparing an α-oxolactam comprising, reacting a corresponding α-diazolactam with an oxygen donor, in the presence of a transition metal catalyst, to yield the corresponding...
6252063 Crystalline salts of a carbapenem antibiotic  
Crystalline salts of an amorphous, unstable carbapenem antibiotic having the formula: ##STR1## are disclosed, wherein R - represents beyslate, tosylate, napsylate, saccharate or alizarate.
6235898 Process for the synthesis of carbapenem intermediated and compounds produced  
A process of synthesizing a carbapenem compound of formula 6: ##STR1## is disclosed using a compound of formula 4': ##STR2## The intermediate compounds that are described herein are also included...
6194568 Process for synthesizing carbapenem intermediates  
The invention describes an improved process for synthesizing 1-β-methyl-2-hydroxymethyl substituted carbapenems as key intermediates for the synthesis of anti-MRSA carbapenem antibiotics. The...
6150350 Antimicrobial compositions  
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...
6025487 Isomerisation process  
A process for the preparation of a compound (I) ##STR1## wherein R is a hydroxyl protecting group which comprises isomerising a compound of formula (I) wherein R is a hydroxyl protecting group by...
6011150 Azetidinone compound and process for preparation thereof  
There is disclosed an azetidinone compound of the formula [I]: ##STR1## wherein Ring B is a benzene ring which may have substituent(s), R 1 is a hydroxy-substituted lower alkyl group which may...
6008212 Carbapenem antibacterial compounds, compositions containing such compounds and methods of treatment  
Compounds of formula I: ##STR1## as well as pharmaceutically acceptable salts thereof are disclosed. R 2 is H and R 3 is C1-3 alkyl, or R 2 and R 3 taken in combination represent C 1 -3...
5998612 Antibiotic synthesis  
A method of preparing intermediates for carbapenem antibiotics characterized by treating a N-deprotected acetoxy conpound of the formula: ##STR1## in the presence of a Lewis acid or a silylating...
5990101 Carbapenem derivatives  
Novel carbapenem derivatives, represented by the following formula (I), having a substituted or unsubstituted imidazo[5,1-b]thiazolium-6-ylmethyl group at the 2-position are disclosed. The...
5880111 Therapeutic derivations of diphosphonates  
Novel chemotherapeutic agents having utility in treating infectious diseases such as periodontal disease, certain urinary tract infections, and infectious urinary tract stones, are obtained by...
5869477 β-methylcarbapenem derivatives, process for the preparation thereof and pharmaceutical composition comprising same  
A β-methylcarbapenem compound of formula (I), a salt or an ester thereof, a process for the preparation thereof and a anti-bacterial composition containing same: ##STR1## wherein: R 1 is a C 1 -6...
5856475 4-thia-1-azabicyclo/3.2.0/Heptane-3-Imino-2-isopropylidene-7-oxo-analogon s of beta-lactams, processes for their preparation and the use thereof  
The object of the present invention are 4-thia-1-azabicyclo 3.2.0!heptane-3-imino-2-isopropylidene-7-oxo beta-lactamic analogons of general formula I ##STR1## wherein the radicals have the...
5854227 Therapeutic derivatives of diphosphonates  
Novel chemotherapeutic agents having utility in treating infectious diseases such as periodontal disease, certain urinary tract infections, infectious urinary tract stones, and bone cancer, are...
5849907 Chemical process  
A process for the preparation of the antibacterial compound ##STR1## or a salt thereof which comprises hydrogenolysis of the novel compound of formula (II) ##STR2## and if necessary or desired...
5840885 Processes for the production of 6-α-aminoacyl-penicillin and 7-.alpha .  
A new process is described for the production of 6-alpha-amino-penicillins and 7-alpha-amino-desacetoxy-cephalosporins free from halogen-containing solvents by acylating 6-APA, 7-ADCA or a...
5821362 Method of desilylating silylether compounds  
Method of desilylating a silylether compound by reacting a silylether compound of the general formula (I): ##STR1## or a salt thereof with an amine hydrogen fluoride salt or a pyridine hydrogen...
5811374 3-aryl-pyrrolidine-2,4-dione derivatives  
New 3-arylpyrrolidine-2,4-dione derivatives of the formula (I): ##STR1## in which the variables A, B, E, R, X, Y, Z and n are set forth in the specification, are useful as insecticides, acaricides,...
5801242 Process for making quinolonyl lactam antimicrobials and novel intermediate compounds  
The present invention provides processes for making compounds of the structure (Q--L 1 )--L--(L 2 --B) wherein (I) Q is a quinolone moiety; (II) B is a lactam moiety; and (III) L, L 1 ,...
5756725 Carbapenem antibacterial compounds, compositions containing such compounds and methods of treatment  
The present invention relates to carbapenem antibacterial agents in which the carbapenem nucleus is substituted at the 2-position with a naphthosultam linked through a CH 2 group. The...
5719276 Beta lactam production  
A new process is described for the production of 6-alpha-amino-penicillins and 7-alpha-amino-desacetoxy-cephalosporins free from halogen-containing solvents by acylating 6-APA, 7-ADCA or a...
5705636 Cyclohexene derivatives  
Compounds of the formula ##STR1## wherein R 1 represents hydrogen or a nitrogen protecting group, useful as intermediates in the preparation of compounds having antibacterial activity.
5703231 Process for making antimicrobial compounds  
The present invention provides a process for making a compound having a structure according to Formula (I) ##STR1## wherein A 1 , A 2 and A 3 are independently carbon or nitrogen and R 1 , R 3 ,...
5693634 Urea derivatives for use in treating bacterial infections  
The present invention relates to compounds of formula (I) ##STR1## and salts and metabolically labile esters thereof. These compounds and compositions containing them have antibacterial activity....
5646139 Antimicrobial carbapenem quinolones  
Compounds of Structure: ##STR1## as well as their pharmaceutically-acceptable salts and biohydrolyzable esters, and hydrates thereof, are effective antiinfective agents, useful in treating and...
5612477 2-(pyrazol-3-yl)carbapenem derivatives  
Disclosed are a carbapenem compound represented by formula (I) and processes to its preparation.
5607928 Carbapenem derivatives containing a bicyclic ketone substituent and their use as anti-infectives  
The present invention relates to carbapenems and provides a compound of the formula (I) ##STR1## wherein R 1 is hydroxymethyl, 1-hydroxyethyl or 1-fluoroethyl; R 2 is hydrogen or C 1 -4 alkyl;...
5587374 10(1-hydroxyethyl)-11-oxo-1-azatricyclo/7.2.0.0..sup.3.8/ undec-2-ene-2-carboxylic acid esters and a process for preparing thereof  
A compound of the formula 1-cyclohexyloxycarbonyloxethyl (4S, 8S, 9R 10S, 12R)-4-methoxy-10-(1-hydroxyethyl)-11-oxo-1-azatricyclo[7.2. 0.0. 3 ,8 ]undec-2-ene-2-carboxylate which is useful as a...
5580976 Preparation of β-lactam compounds, and intermediates therefor  
A process for preparing a β-lactam compound of the formula (I): ##STR1## which comprises cyclization of an azetidinone derivative of the formula: ##STR2## is provided in which R 1 is hydrogen,...
Matches 1 - 50 out of 185 1 2 3 4 >