Abstract: Ester derivatives of 2-amino-2-phenyl-alkanol of general formula (I) in which: R1 forms with R3 and the nitrogen and carbon atoms to which they are respectively attached, a heterocycle with 4 to 7 members, optionally substituted in the ? position of the nitrogen atom by one or two Ra and Rb radicals being able to be independently of one another hydrogen or linear or branched alkyl (1 to 4C), and R2 is H or a —CO—O—CHR4—OCOR5 radical for which R4 is H or linear or branched alkyl (1 to 4C), and R5 is alkyl optionally substituted by benzyloxycarbonylamino, acylamino or by the remainder of an amino acid, or represents a heterocycle, or R2 is linear or branched alkyl (1 to 4C), alkyl (2 to 4C) substituted by OH, alkoxy, alkylthio, NH2, alkylamino, dialkylamino optionally forming with the nitrogen atom to which they are attached, a heterocycle with 5 or 6 members, it being understood that the substituted alkyl radical is linear or branched and comprises at least 2C between >N—R2 and the substituent, unless speci

Abstract: 2-amino-2-phenyl-alkanol ester derivatives of general formula (I) in which: R1 is H, straight or branched 1 to 4C alkyl, straight or branched 2 to 4C alkyl substituted by OH, alkoxy, alkylthio, acyloxy, NH2, alkylamino, dialkylamino, alkylcarbamoyloxy, alkoxycarbonylamino, ureido or alkylureido, R2 is a —CO—R radical in which R is H, alkyl, aryl, heterocyclyl, benzyl or heterocyclylmethyl, or R2 is a —CO—Y—R4 radical for which Y is —O—, —S—, —NH—, -Nalk- for which alk is straight or branched (1 to 4C) alkyl, and R4 is alkyl, aryl, aralkyl or heterocyclylalkyl, capable of being substituted by one or more halogen atoms or OH radicals, straight or branched (1 to 4C) alkyl, alkoxy, alkylthio, acylaminoalkylthio, alkoxycarbonyl or acylamino (1 to 4C) straight or branched, or oxo, or capable of being substituted by R5COO— in which R5 is alkyl optionally substituted by benzyloxycarbonylamino, acylamino or by an amino acid residue, or represents an heterocyclyl radical, or R2 is alkyl (2 to 4C) substituted by OH, alk

Abstract: Ester derivatives of 2-amino-2-phenyl-alkanol of general formula (I) in which: R1 forms with R3 and the nitrogen and carbon atoms to which they are respectively attached, a heterocycle with 4 to 7 members, optionally substituted in the ? position of the nitrogen atom by one or two Ra and Rb radicals being able to be independently of one another hydrogen or linear or branched alkyl (1 to 4C), and R2 is H or a —CO—O—CHR4—OCOR5 radical for which R4 is H or linear or branched alkyl (1 to 4C), and R5 is alkyl optionally substituted by benzyloxycarbonylamino, acylamino or by the remainder of an amino acid, or represents a heterocycle, or R2 is linear or branched alkyl (1 to 4C), alkyl (2 to 4C) substituted by OH, alkoxy, alkylthio, NH2, alkylamino, dialkylamino optionally forming with the nitrogen atom to which they are attached, a heterocycle with 5 or 6 members, it being understood that the substituted alkyl radical is linear or branched and comprises at least 2C between >N—R2 and the substituent, unless speci

Abstract: 2-amino-2-phenyl-alkanol ester derivatives of general formula (I) in which: R1 is H, straight or branched 1 to 4C alkyl, straight or branched 2 to 4C alkyl substituted by OH, alkoxy, alkylthio, acyloxy, NH2, alkylamino, dialkylamino, alkylcarbamoyloxy, alkoxycarbonylamino, ureido or alkylureido, R2 is a —CO—R radical in which R is H, alkyl, aryl, heterocyclyl, benzyl or heterocyclylmethyl, or R2 is a —CO—Y—R4 radical for which Y is —O—, —S—, —NH—, -Nalk- for which alk is straight or branched (1 to 4C) alkyl, and R4 is alkyl, aryl, aralkyl or heterocyclylalkyl, capable of being substituted by one or more halogen atoms or OH radicals, straight or branched (1 to 4C) alkyl, alkoxy, alkylthio, acylaminoalkylthio, alkoxycarbonyl or acylamino (1 to 4C) straight or branched, or oxo, or capable of being substituted by R5COO— in which R5 is alkyl optionally substituted by benzyloxycarbonylamino, acylamino or by an amino acid residue, or represents an heterocyclyl radical, or R2 is alkyl (2 to 4C) substituted by OH, alk

Abstract: All possible isomeric forms of a compound of the formula where the substituents are defined as in the specification and its non-toxic, pharmaceutically acceptable salts useful as antibiotics.

Abstract: The invention concerns compounds of formula (I) wherein: R2 is hydrogen, halogen, alkyl, alkenyl or alkynyl, a OH, O-alkyl, OCO-alkyl radical, an O-aryl or OCO-aryl radical; R4 is CH2NH2; CH2NHalkyl, CH2N(alkyl1)(alkyl2), CH2-guanidine, CH2-amidine optionally substituted; R5 represents in particular (a) or (b) or (c) or (d), a CH2N3 radical (e); R8 is hydrogen or alkyl; R9 is alkyl, aryl or heteroaryl, R8 and R9 capable of forming a heterocycle, or R5 represents a CH2alkyl, CH2Oalkyl or CO2alkyl, CH2Salkyl radical; R6 is hydrogen or halogen, OH, Oalkyl, OCOalkyl, S-alkyl or S-aryl; R7 is hydrogen or OH. The compounds of formula (I) exhibit antibiotic properties.

Abstract: A compound having the formula selected from the group consisting of wherein either R3p and R4p are identical and selected from the group consisting of —OH, protected —OH and acyloxy of 1 to 8 carbon atoms, R2p is selected from the group consisting of —CN, —F, Br and I and R1p and R5p are hydrogen or R5p is —F and R1p and R2p are hydrogen or R1p and R2p are F and R5p is hydrogen, or R4p and R5p are identical and selected from the group consisting of —OH, protected —OH and acyloxy of 1 to 8 carbon atoms, R3p is selected from the group consisting of F and —CN and R1p and R2p are hydrogen, R8 is hydrogen or an amine protective group and R10 is the remainder in which the hydroxy or amino are protected wherein R′1 is selected from the group consisting of alkyl of 1 to 4 carbon atoms, —CN, carboxy and alkoxy carbonyl of 1 to 4 carbon atoms.

Abstract: Novel intermediates of the formula ##STR1## wherein the substituents are defined in the specification.

Abstract: A syn isomer in (R) or (S) form or a mixture thereof of a compound of the formula ##STR1## syn isomer, in the (R) or (S) form or in the form of an (R,S) mixture, in the form of an integral salt or their salts with organic or mineral acids wherein the substituents are as defined in the application and having antibacterial properties.

Abstract: A syn isomer in (R) or (S) form or a mixture thereof of a compound of the formula ##STR1## syn isomer, in the (R) or (S) form or in the form of an (R,S) mixture, in the form of an internal salt or their salts with organic or mineral acids wherein the substituents are as set forth below.

Abstract: A syn isomer in (R) or (S) form or a mixture thereof of a compound of the formula ##STR1## syn isomer, in the (R) or (S) form or in the form of an (R,S) mixture, in the form of an internal salt or their salts with organic or mineral acids wherein the substituents are defined as in the application having anti-bacterial properties.

Abstract: A syn isomer in (R) or (S) form or a mixture thereof of a compound of the formula ##STR1## syn isomer, in the (R) or (S) form or in the form of an (R,S) mixture, in the form of an internal salt or their salts with organic or mineral acids,wherein the variables are herein below defined, having antibacterial properties.