Abstract: The invention relates to nitrogenous heterocyclic compounds of formula (I): in which: R1 represents hydrogen, —(CH2)m—NH2, —(CH2)m—NH(C1-C6)alk, —(CH2)m—N(C1-C6)alk2, —(CH2)m—NH—C(NH)NH2 or —(CH2)m—NH—CH?NH, m is equal to 1 or 2; R2 and R3 together form a nitrogenous heterocycle of aromatic character with 5 vertices containing 1, 2 or 3 nitrogen atoms, substituted on a nitrogen atom by R4; R4 represents hydrogen, C1-C6)alk or a chain of formula: -(A)n-(NH)o—(CH2)p—(CHR?)qR? A represents C?O, C?NH or SO2; R? represents hydrogen or carboxy.

Abstract: The invention concerns nitrogenated heterocyclic compounds, their preparation and use as antibacterial drugs, compounds of general formula (I) wherein R1 represents a (CH2)n-NHR2 or (CH2)n-NHR radical, where R is a (C1-C6) alkyl and n is equal to 1 or 2; R2 represents a hydrogen atom; R3 and R4 together form an aromatic nitrogenated heterocycle with 5 apexes with 1, 2 or 3 nitrogen atoms optionally substituted by one or several R? groups, R? being selected in the group composed of a hydrogen atom and alkyl radicals with 1 to 6 carbon atoms; in free form, as zwitterions, and in the form of salts of pharmaceutically acceptable inorganic or organic bases and acids.

Abstract: The invention concerns the compounds meeting formula (I: wherein one of R1 and R2 is a hydrogen and the other a fluorine or both represent a fluorine, in free form, in the form of zwitterions and of salts with pharmaceutically acceptable mineral or organic bases, the preparation thereof and their use as medicinal products inhibiting the action of ?-lactamases by pathogenic bacteria.

Abstract: The disclosure relates to a method for preparing a compound of formula (I), wherein P1 and P2 are groups protecting the carboxylic acid and oxyamine functions, starting from pyroglutamic acid (S). The disclosure also relates to novel intermediates.

Abstract: The invention relates to the combination of nitrogenated heterocyclic antibacterial compounds of formula (I) with other antibacterial compounds and the use of same as drugs. The nitrogenated heterocyclic compounds are of general formula (I) wherein R1 represents a (CH2)n-NH2 or (CH2)n—NHR radical, where R is a (C1-C6) alkyl and n is equal to 1 or 2; R2 represents a hydrogen atom; R3 and R4 together form an aromatic nitrogenated heterocycle with 5 apexes with 1, 2 or 3 nitrogen atoms optionally substituted by one or several R? groups, R? being selected in the group composed of a hydrogen atom and the alkyl radicals with 1 to 6 carbon atoms, in free form, as zwitterions, and in the form of salts of pharmaceutically acceptable inorganic or organic bases and acids.

Abstract: The invention relates to nitrogenous heterocyclic compounds of formula in which: R1 represents hydrogen, —(CH2)m—NH2, —(CH2)m—NH(C1-C6)alk, —(CH2)m—N(C1-C6)alk2, —(CH2)m—NH—C(NH)NH2 or —(CH2)m—NH—CH?NH, m is equal to 1 or 2; R2 and R3 together form a nitrogenous heterocycle of aromatic character with 5 vertices containing 1, 2 or 3 nitrogen atoms, substituted on a nitrogen atom by R4; R4 represents hydrogen, C1-C6)alk or a chain of formula: -(A)n-(NH)o—(CH2)p—(CHR?)qR? A represents C?O, C?NH or SO2; R? represents hydrogen or carboxy.

Abstract: The invention relates to nitrogen-containing heterocyclic compounds of general formula (I) wherein: R1 represents a (CH2)n—NH2 radical, n being equal to 1 or 2; R2 represents a hydrogen atom; R3 and R4 form together a nitrogen-containing heterocycle with aromaticity with 5 apices containing 1, 2 or 3 nitrogen atoms, substituted on this nitrogen atom or one of these nitrogen atoms with a (CH2)m—(C(O))p—R5 group, m being equal to 0, 1, 2 or 3, p being equal to 0 or 1 and R5 representing a hydroxy group, in which case p is equal to 1, or an amino, (C1-C6)alkyl or di-(C1-C6)alkyl amino, a nitrogen-containing heterocycle with aromaticity with 5 or 6 apices containing 1 or 2 nitrogen atoms and if necessary, an oxygen or sulfur atom; it being understood that when the sub-group (C(O))p—R5 forms a carboxy, amino, (C1-C6) alkyl or di-(C1-C6) alkyl amino, group, m is different from 0 or 1; in free form or as zwitterions and salts with pharmaceutically acceptable mineral or organic bases and acids, to their prepara

Abstract: This invention discloses and claims methods for inhibiting bacterial ?-lactamases and treating bacterial infections by inhibiting bacterial ?-lactamases in man or an animal comprising administering a therapeutically effective amount to said man or said animal of a compound, or pharmaceutically acceptable salt thereof, of formula (I) either alone or in combination with a ?-lactamine antibiotic wherein said combination can be administered separately, together or spaced out over time. Pharmaceutical compositions comprising a compound of formula (I), or a combination of a compound of formula (I) and a therapeutically effective amount of a ?-lactamine antibiotic, and a pharmaceutically acceptable carrier are also disclosed and claimed.

Abstract: This invention discloses and claims methods for inhibiting bacterial ?-lactamases and treating bacterial infections by inhibiting bacterial ?-lactamases in man or an animal comprising administering a therapeutically effective amount to said man or said animal of a compound, or pharmaceutically acceptable salt thereof, of formula (I) either alone or in combination with a ?-lactamine antibiotic wherein said combination can be administered separately, together or spaced out over time. Pharmaceutical compositions comprising a compound of formula (I), or a combination of a compound of formula (I) and a therapeutically effective amount of a ?-lactamine antibiotic, and a pharmaceutically acceptable carrier are also disclosed and claimed.

Abstract: The invention relates to novel heterocyclic compounds of general formula (I), and their salts with a base or an acid: The invention also relates to a method for preparing these compounds, and to their use as medicaments, in particular as antibacterials and ?-lactamase inhibitors.

Abstract: The invention relates to novel heterocyclic compounds of general formula (I), and their salts with a base or an acid: The invention also relates to a method for preparing these compounds, and to their use as medicaments, in particular as antibacterials and ?-lactamase inhibitors.

Abstract: The invention relates to 4-substituted quinoline compounds of general formula: which are active as antimicrobials, in which: X1, X2, X3, X4 and X5 is C—R?1, to C—R?5 respectively, or alternatively at most one represents N, Y represents CHR, CO, CROH, CRNH2, CRF or CF2, R being a hydrogen or alkyl, m is 1, 2 or 3 and n is 0, 1 or 2, Z is CH2 or Z is O, S, SO, SO2 and, in this case, n is equal to 2, R2 is —CO2R, —CH2CO2R, —CH2—CH2CO2R, —CH2OH or —CH2—CH2OH, wherein R is as defined above, R3 represents phenyl, heteroaryl or alk-Ro3, where alk is alkyl and Ro3 represents various groups, where appropriate containing oxygen, sulfur or amine, in their enantiomeric or diastereoisomeric forms or their mixtures, and/or where appropriate in the syn or anti form or their mixtures, and their salts.

Abstract: Quinolylpropylpiperidine derivatives of general formula (I) in which R1 is hydrogen or fluorine, R2 is carboxyl, carboxymethyl or hydroxymethyl, R3 is alkyl substituted either with phenylthio optionally substituted with halogen, hydroxyl, alkyl, alkyloxy, trifluoromethyl, trifluoromethoxy, carboxyl, alkyloxycarbonyl, cyano or amino, or with cycloalkylthio (3 to 7 members) optionally substituted with halogen or trifluoromethyl, or with heteroarylthio (5 to 6 members and 1 to 4 heteroatoms chosen from N, O and S), optionally substituted with halogen, hydroxyl, alkyl, alkyloxy, trifluoromethyl, trifluoromethoxy, carboxyl, alkyloxycarbonyl, cyano or amino or R3 is propargyl substituted by phenyl or heteroaryl as defined above and R4 is alkyl, alkenyl-CH2— or alkynyl-CH2—, cycloalkyl or cycloalkylalkyl, in their various isomeric forms, separate or as mixtures, and also their salts, their preparation process and intermediates and the compositions containing them.