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US4826820A Expired / Lapsed US ⏱️ 0.0 years remaining

6-carbamade erythromycin derivatives

Assignee: Beecham Group PLC
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Filing: 1986-08-26
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Granted: 1989-05-02
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Expires: 2006-08-26
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Abstract

Abstract Antibacterially active 6-carbamate erythromycin derivatives of formula I and their pharmaceutically acceptable esters and acid addition salts; ##STR1## wherein: R 1 or R 2 is optionally substituted amino, or R 1 or R 2 +R 5 is --O--C(R A )(R B )--O--, and R 2 or R 1 is H, or R 1 +R 2 is oxo, oxime, substituted oxime, or imino; R 3 is carbamoyl or N-substituted carbamoyl; R 4 is H or OH, and R 5 is OH, or etherified hydroxy, or R 4 +R 5 is --O--CO--O-- or --O--C(R A ) (R B )--O--; R 6 is H, F or OH; R 7 is H or CH 3 ; R 8 or R 9 is H, OH, alkoxy, optionally substituted NH 2 , alkanoyloxy, or R C --SO 2 O--, and R 9 or R 8 is H, or R 8 +R 9 is oxo or optionally substituted oxime; R A , R B are H or hydrocarbon; and R C is organic.

Inventors

  • 👤 Edward G. Brain

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 08:53
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04; C07H17/08; A; A61; A61P; A61P31/00; A61P31/04

Claims Analysis

Total Claims: 27
Claim 1
Independent Claim 715 words
A compountd of the formula I or a pharmaceutically acceptable ester of acid addtion salt thereof: ##STR13## wherein one of R 1 and R 2 is hydrogen, and the other of R 1 and R 2 is amino unsubstituted or substitued by one or two alkyl moieties of 1 to 6 carbon atoms, or the other of R 1 and R 2 together with R 5 , is a group of the formula III below, or R 1 and R 2 together are oxo, oxime unsubstituted or substituted by alkyl, cycloalkyl or alkenyl of up to 6 carbon atoms, phenyl, hydrocarbon-carbonyl or hydrocarbonoxy-carbonyl wherein the gydrocarbon is alkyl of up to 6 carabon atoms or phenyl each of which is unsubstituted or substituted by alkyl of 1 to 6 carbon atoms, heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di- or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, sulphamoyl, carbamoyl, amindino, guanidino, nitro, chloro, bromo, fluoro carboxy or salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyl, heterocyclylcarbonyl or --S(O) n R 12 wherein n is 0, 1 or 2 and R 12 is alkyl of 1 to 6 carbon atoms, heterocyclyl or aryl, or an imino; R 3 is carbamoyl or N-substituted carbamoyl of the formula --O--CO--NH--X--R 15 wherein X is --CO-- or --SO 2 -- and R 15 is alkyl of 1 to 6 carbon atoms, haloalkyl of 1 to 6 carbon atoms, alkoxyalkyl of 1 to 6 carbon atoms in each of the alkoxy and alkyl moieties, phenyl, alkylphenyl of 1 to 6 carbon atoms in the alkyl moiety or halophenyl; R 4 is hydrogen or hydroxy, and R 5 is hydroxy, or etherified hydroxy, or R 5 together with R 1 or R 2 is a group of the formula III below as defined above, or R 4 and R 5 together are a group of the formula II or III: ##STR14## is which R A and R B are the same of different, and each is hydrogen, phenyl, or alkyl of 1 to 6 carbon atoms, said alkyl being unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl; R 6 is hydrogen, fluorine or hydroxy; R 7 is hydrogen or methyl; one of R 8 and R 9 is hydrogen, hydroxy, alkoxy, alkanoyloxy, amino, substituted amino of the formula XII or XIII: --NHCOR.sup.16 XII or --NHSO.sub.2 R.sup.16 XIII wherein R 16 is alkyl of 1 to 6 carbon atoms or phenyl, unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl, or a group of the formula R C SO 2 --O--, in which R C is, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, phenyl, nitrophenyl, halophenyl, alkylphenyl of 1 to 6 carbon atoms in the alkyl moiety, benzyl, nitrobenzyl, halobenzyl, alkylbenzyl of 1 to 6 carbon atoms in the alkyl moiety, phenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, nitrophenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, halophenyoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, alkylphenoxyalkyl of 1 to 6 carbon atoms in each alkyl moiety or R 17 --CH 2 --CH 2 --wherein R 17 is amino, carbamoyl, sulphamoyl, alkoxy of 1 to 6 carbon atoms, alkylthio of 1 to 6 carbon atoms, aryloxy, arylthio, benzyloxy or benzylthio and the other of R 8 and R 9 is hydrogen, or R 8 and R 9 together are oxo, oxime or acetyloxime.
Claim 2
Dependent Claim 715 words
A compountd of the formula I or a pharmaceutically acceptable ester of acid addtion salt thereof: ##STR13## wherein one of R 1 and R 2 is hydrogen, and the other of R 1 and R 2 is amino unsubstituted or substitued by one or two alkyl moieties of 1 to 6 carbon atoms, or the other of R 1 and R 2 together with R 5 , is a group of the formula III below, or R 1 and R 2 together are oxo, oxime unsubstituted or substituted by alkyl, cycloalkyl or alkenyl of up to 6 carbon atoms, phenyl, hydrocarbon-carbonyl or hydrocarbonoxy-carbonyl wherein the gydrocarbon is alkyl of up to 6 carabon atoms or phenyl each of which is unsubstituted or substituted by alkyl of 1 to 6 carbon atoms, heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di- or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, sulphamoyl, carbamoyl, amindino, guanidino, nitro, chloro, bromo, fluoro carboxy or salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyl, heterocyclylcarbonyl or --S(O) n R 12 wherein n is 0, 1 or 2 and R 12 is alkyl of 1 to 6 carbon atoms, heterocyclyl or aryl, or an imino; R 3 is carbamoyl or N-substituted carbamoyl of the formula --O--CO--NH--X--R 15 wherein X is --CO-- or --SO 2 -- and R 15 is alkyl of 1 to 6 carbon atoms, haloalkyl of 1 to 6 carbon atoms, alkoxyalkyl of 1 to 6 carbon atoms in each of the alkoxy and alkyl moieties, phenyl, alkylphenyl of 1 to 6 carbon atoms in the alkyl moiety or halophenyl; R 4 is hydrogen or hydroxy, and R 5 is hydroxy, or etherified hydroxy, or R 5 together with R 1 or R 2 is a group of the formula III below as defined above, or R 4 and R 5 together are a group of the formula II or III: ##STR14## is which R A and R B are the same of different, and each is hydrogen, phenyl, or alkyl of 1 to 6 carbon atoms, said alkyl being unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl; R 6 is hydrogen, fluorine or hydroxy; R 7 is hydrogen or methyl; one of R 8 and R 9 is hydrogen, hydroxy, alkoxy, alkanoyloxy, amino, substituted amino of the formula XII or XIII: --NHCOR.sup.16 XII or --NHSO.sub.2 R.sup.16 XIII wherein R 16 is alkyl of 1 to 6 carbon atoms or phenyl, unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl, or a group of the formula R C SO 2 --O--, in which R C is, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, phenyl, nitrophenyl, halophenyl, alkylphenyl of 1 to 6 carbon atoms in the alkyl moiety, benzyl, nitrobenzyl, halobenzyl, alkylbenzyl of 1 to 6 carbon atoms in the alkyl moiety, phenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, nitrophenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, halophenyoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, alkylphenoxyalkyl of 1 to 6 carbon atoms in each alkyl moiety or R 17 --CH 2 --CH 2 --wherein R 17 is amino, carbamoyl, sulphamoyl, alkoxy of 1 to 6 carbon atoms, alkylthio of 1 to 6 carbon atoms, aryloxy, arylthio, benzyloxy or benzylthio and the other of R 8 and R 9 is hydrogen, or R 8 and R 9 together are oxo, oxime or acetyloxime.
Claim 3
Dependent Claim 13 words
A compound according to claim 1, wherein R 11 is hydrogen or methyl.
Claim 4
Dependent Claim 11 words
A compound according to claim 1, wherein R 4 is hydroxy.
Claim 5
Dependent Claim 11 words
A compound according to claim 1 wherein R 7 is methyl.
Claim 6
Dependent Claim 16 words
A compound according to claim I wherein R 8 is hydrogen and R 9 is hydroxy.
Claim 7
Dependent Claim 11 words
A compound according to claim 1, wherein R 5 is hydroxy.
Claim 8
Dependent Claim 421 words
A compound according to claim 1, wherein R 5 is alkoxy of 1 to 6 carbon atoms or a group of the formula IX or X: ##STR15## in which formulae Q is one of the following groups: ##STR16## R D is alkyl, R E is hydrogen or alkyl of 1 to 6 carbon atoms, R F is alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms or phenyl each of which is unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms, in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl; R G is hydrogen, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, aryl, aryloxy, cycloalkyl of 3 to 7 carbon atoms or cycloalkyloxy of 3 to 7 carbon atoms unsubstituted or substituted by hydroxy, halo, carboxy, alkoxy of 1 to 6 carbon atoms, aryloxy, formyl, acyloxy, alkoxycarbonyl of 1 to 6 carbon atoms in the alkyl moiety, alkanesulphonyloxy of 1 to 6 carbon atoms in the alkane moiety, trialkylsilyloxy of 1 to 6 carbon atoms in each alkyl moiety, amino, N-alkylamino or N, N-dialkylamino of 1 to 6 carbon atoms in each alkyl moity, oxo, azido, diazo or heterocyclyl, each of R H and R J , is the same or different, and each is hydrogen or alkyl of up to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms or phenyl each of which is unsubstituted or substituted by alkyl of 1 to 6 carbon atoms, heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxy or salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyl, heterocyclylcarbonyl or -S(0) n R 12 wherein n is 0, 1 or 2 and R 12 is alkyl of 1 to 6 carbon atoms, heterocyclyl or aryl, or any two of R F , R G , R H and R J together form a 4- to 7-membered heterocyclic ring together with the intervening atoms of the molecule.
Claim 9
Dependent Claim 180 words
The compound according to claim 1, which is (i) erythromycin A 6-carbamate 9-oxime; (ii) erythromycin A 6-carbamate 9-oxime 11, 12-carbonate; (iii) erythromycin A 6-carbamate; (iv) erythromycin A 6,11-dicarbamate 9-methoxime; (v) erythromycin A 6-carbamate 9-methoxime 11,12-carbonate; (vi) erythromycin A 6-carbamate 9-imine; (vii) erythromycylamine 6-carbamate; (viii) erythromycin A 6-carbamate 11,12-carbonate; (ix) erythromycin A 6-carbamate 9-methoxime; (x) erythromycin A 6, 12-dicarbamate 9-methoxime 11-formate; (xi) erythromycin A 6-carbonate 9-(2-methoxyethoxymethoxime); (xii) erythromycin A 6-benzoylcarbamate 9-oxime; (xiii) erythromycin A 6-benzoylcarbamate 9-oxime 11,12-carbonate; (xiv) erythromycin A 6-benzoylcarbamate 9-methoxime 11,12-carbonate; (xv) erythromycin A 6-benzoylcarbamate 9-methoxime; (xvi) erythromycin A 6, 12-bis-acetylcarbamate 9-methoxime 11-formate; (xvii) erythromycin A 6-acetylcarbamate 9-methoxime 11,12-carbonate; (xviii) 9-dihydro-9, 11-ethylidene-erythromycin A 6-carbamate; (xix) erythromycin A 6-methoxyacetylcarbamate 9-methoxime 11,4"-diformate; (xx) erythromycin A 6,12-methoxyacetylcarbamate 9-methtoxime 11,4"-diformate; (xxi) erythromycin A 6-p-toluenesulphonylcarbamate 9-methoxime 11,4"-diformate; (xxii) erythromycin A 6,12-bis-p-toluenesulphonylcarbamate 9-methoxime 11, 4"-diformate; (xxiii) 11-O-(2-hydroxyethoxymethyl)-erythromycin A 6-carbamate 9-oxime; (xxiv) 11-O-(2-hydroxyethoxymethyl)-erythromycin A 6,12-dicarbamate 9-oxmine; (xxv) 11-O-(2-N,N-dimethylaminoethoxymethyl)-erythromycin A 6-carbamate 9-oxime; (xxvi) 11-O-(2-N,N-dimethylaminoethoxymethyl)-erythromycin A 6-carbamate; (xxvii) 11-O-ethoxymethyl-erythromycin A 6-carbamate 9-oxime; (xxviii) 11-O-ethoxymethyl-erythromycin A 6,12-dicarbamate 9-oxime; (xxix) 11-O-ethoxymethyl-erythromycin A 6-carbamate 9-methoxime; or (xxx) erythromycin A 6-p-toluenesulphonylcarbamate 9-methoxime; or a pharmaceutically acceptable ester or acid addition salt thereof.
Claim 10
Dependent Claim 742 words
A pharmaceutical composition useful for treating bacterial infections in humans and animals which comprises an antibacterially effective amount of the compound of the formula I or a pharmaceutically acceptable ester or acid addition salt thereof: ##STR17## wherein one of R 1 and R 2 is hydrogen, and the other of R 1 and R 2 is amino unsubstituted or substituted by one or two alkyl moieties of 1 to 6 carbon atoms, or the other of R 1 and R 2 , together with R 5 , is a group of the formula III below, or R 1 and R 2 together are oxo, oxime unsubstituted or substituted by alky, cycloalkyl or alkenyl of up to 6 carbon atoms, phenyl, hydrocarbon-carbonyl or hydrocarbonoxy-carbonyl wherein the hydrocarbon is alkyl of up to 6 carbon atoms or phenyl each of which is unsubstituted or substituted by alkyl of 1 to 6 carbon atoms, heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di- or trialkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxy or salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyl, heterocyclylcarbonyl or -S(0) n R 12 wherein n is 0, 1 or 2 and R 12 is alkyl of 1 to 6 carbon atoms, heterocyclyl or aryl, or an imino; R 3 is carbamoyl or N-substituted carbamoyl of the formula --O--CO--NH--X--R 15 wherein X is --CO-- or --SO 2 and R 15 is alkyl of 1 to 6 carbon atoms, haloalkyl of 1 to 6 carbon atoms, alkoxyalkyl of 1 to 6 carbon atoms in each of the alkoxy and alkyl moieties, phenyl, alkylphenyl of 1 to 6 carbon atoms in the alkyl moiety or halophenyl; R 4 is hydrogen or hydroxy, and R 5 is hydroxy, or etherified hydroxy, or R 5 together with R 1 or R 2 is a group of the formula III below as defined above, or R 4 and R 5 together are a group of the formula II or III: ##STR18## in which R A and R B are the same or different, and each is hydrogen, phenyl, or alkyl of 1 to 6 carbon atoms, said alkyl being unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl; R 6 is hydrogen, fluorine or hydroxy; R 7 is hydrogen or methyl; one of R 8 and R 9 is hydrogen, hydroxy, alkoxy, alkanoyloxy, amino, substituted amino of the formula XII or XIII: --NHCOR.sup.16 XII or --NHSO.sub.2 R.sup.16 XIII wherein R 16 is alkyl of 1 to 6 carbon atoms or phenyl, unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl, or a group of the formula R C SO 2 --O--, in which R C is, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, phenyl, nitrophenyl, halophenyl, alkylphenyl of 1 to 6 carbon atoms in the alkyl moiety, benzyl, nitrobenzyl, halobenzyl, alkylbenzyl of 1 to 6 carbon atoms in the alkyl moiety, phenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, nitrophenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, halophenyoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, alkylphenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety or R 17 --CH 2 --CH 2 -- wherein R 17 is amino, carbamoyl, sulphamoyl, alkoxy of 1 to 6 carbon atoms, alkylthio of 1 to 6 carbon atoms, aryloxy, arylthio, benzyloxy or benzylthio and the other of R 8 and R 9 is hydrogen, or R 8 and R 9 together are oxo, oxime or acetyloxime, in combination with a pharmaceutically acceptable carrier.
Claim 11
Dependent Claim 742 words
A pharmaceutical composition useful for treating bacterial infections in humans and animals which comprises an antibacterially effective amount of the compound of the formula I or a pharmaceutically acceptable ester or acid addition salt thereof: ##STR17## wherein one of R 1 and R 2 is hydrogen, and the other of R 1 and R 2 is amino unsubstituted or substituted by one or two alkyl moieties of 1 to 6 carbon atoms, or the other of R 1 and R 2 , together with R 5 , is a group of the formula III below, or R 1 and R 2 together are oxo, oxime unsubstituted or substituted by alky, cycloalkyl or alkenyl of up to 6 carbon atoms, phenyl, hydrocarbon-carbonyl or hydrocarbonoxy-carbonyl wherein the hydrocarbon is alkyl of up to 6 carbon atoms or phenyl each of which is unsubstituted or substituted by alkyl of 1 to 6 carbon atoms, heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di- or trialkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxy or salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyl, heterocyclylcarbonyl or -S(0) n R 12 wherein n is 0, 1 or 2 and R 12 is alkyl of 1 to 6 carbon atoms, heterocyclyl or aryl, or an imino; R 3 is carbamoyl or N-substituted carbamoyl of the formula --O--CO--NH--X--R 15 wherein X is --CO-- or --SO 2 and R 15 is alkyl of 1 to 6 carbon atoms, haloalkyl of 1 to 6 carbon atoms, alkoxyalkyl of 1 to 6 carbon atoms in each of the alkoxy and alkyl moieties, phenyl, alkylphenyl of 1 to 6 carbon atoms in the alkyl moiety or halophenyl; R 4 is hydrogen or hydroxy, and R 5 is hydroxy, or etherified hydroxy, or R 5 together with R 1 or R 2 is a group of the formula III below as defined above, or R 4 and R 5 together are a group of the formula II or III: ##STR18## in which R A and R B are the same or different, and each is hydrogen, phenyl, or alkyl of 1 to 6 carbon atoms, said alkyl being unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl; R 6 is hydrogen, fluorine or hydroxy; R 7 is hydrogen or methyl; one of R 8 and R 9 is hydrogen, hydroxy, alkoxy, alkanoyloxy, amino, substituted amino of the formula XII or XIII: --NHCOR.sup.16 XII or --NHSO.sub.2 R.sup.16 XIII wherein R 16 is alkyl of 1 to 6 carbon atoms or phenyl, unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl, or a group of the formula R C SO 2 --O--, in which R C is, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, phenyl, nitrophenyl, halophenyl, alkylphenyl of 1 to 6 carbon atoms in the alkyl moiety, benzyl, nitrobenzyl, halobenzyl, alkylbenzyl of 1 to 6 carbon atoms in the alkyl moiety, phenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, nitrophenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, halophenyoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, alkylphenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety or R 17 --CH 2 --CH 2 -- wherein R 17 is amino, carbamoyl, sulphamoyl, alkoxy of 1 to 6 carbon atoms, alkylthio of 1 to 6 carbon atoms, aryloxy, arylthio, benzyloxy or benzylthio and the other of R 8 and R 9 is hydrogen, or R 8 and R 9 together are oxo, oxime or acetyloxime, in combination with a pharmaceutically acceptable carrier.
Claim 12
Dependent Claim 13 words
A composition according to claim 9, wherein R 11 is hydrogen or methyl.
Claim 13
Dependent Claim 11 words
A composition according to claim 9, wherein R 4 is hydroxy.
Claim 14
Dependent Claim 11 words
A composition according to claim 9 wherein R 7 is methyl.
Claim 15
Dependent Claim 16 words
A composition according to claim 9 wherein R 8 is hydrogen and R 9 is hydroxy.
Claim 16
Dependent Claim 11 words
A composition according to claim 9, wherein R 5 is hydroxy.
Claim 17
Dependent Claim 420 words
A composition according to claim 9, wherein R 5 is alkoxy of 1 to 6 carbon atoms or a group of the formula IX or X: ##STR19## in which formulae Q is one of the following groups: ##STR20## R D is alkyl, R E is hydrogen or alkyl of 1 to 6 carbon atoms, R F is alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms or phenyl each of which is unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mon-, di-, or tri-alkylamino or 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapato, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl; R G is hydrogen, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, aryl, aryloxy, cycloalkyl of 3 to 7 carbon atoms or cycloalkyloxy of 3 to 7 carbon atoms unsubstituted or substituted by hydroxy, halo, carboxy, alkoxy of 1 to 6 carbon atoms, aryloxy, formyl, acyloxy, alkoxycarbonyl of 1 to 6 carbon atoms in the alkyl moiety, alkanesulphonyloxy of 1 to 6 carbon atoms in the alkane moiety, trialkylsilyloxy of 1 to 6 carbon atoms in each alkyl moiety, amino, N-alkylamino or N,N-dialkylamino of 1 to 6 carbon atoms in each alkyl moiety, oxo, azido, diazo or heterocyclyl, each of R H and R J , is the same or different, and each is hydrogen or alkyl of up to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms or phenyl each of which is unsubstituted or substituted by alkyl of 1 to 6 carbon atoms, heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di- or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxy or salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyl, heterocyclylcarbonyl or --S(0) n R 12 wherein n is 0, 1 or 2 and R 12 is alkyl of 1 to 6 carbon atoms, heterocyclyl or aryl, or any two of R F , R G , R H and R J together form a 4- to 7-membered heterocyclic ring together with the intervening atoms of the molecule.
Claim 18
Dependent Claim 188 words
The composition according to claim 9, wherein the compound of formula I is (i) erythromycin A 6-carbamate 9-oxime; (ii) erythromycin A 6-carbamate 9-oxime 11, 12-carbonate; (iii) erythromycin A 6-carbamate; (iv) erythromycin A 6,11-dicarbamate 9-methoxime; (v) erythromycin A 6-carbamate 9-methoxime 11,12-carbonate; (vi) erythromycin A 6-carbamate 9-imine; (vii) erythromycylamine 6-carbamate, (viii) erythromycin A 6-carbamate 11,12-carbonate; (ix) erythromycin A 6-carbamate 9-methoxime; (x) erythromycin A 6,12-dicarbamate 9-methoxime 11-formate; (xi) erythromycin A 6-carbamate 9-(2-methoxyethoxymethoxime); (xii) erythromycin A 6-benzoylcarbamate 9-oxime; (xiii) erythromycin A 6-benzoylcarbamate 9-oxime 11,12-carbonate; (xiv) erythromycin A 6-benzoylcarbamate 9-methoxime 11,12-carbonate; (xv) erythromycin A 6-benzoylcarbamate 9-methoxime; (xvi) erythromycin A 6,12-bis-acetylcarbamate 9-methoxime 11-formate; (xvii) erythromycin A 6-acetylcarbamate 9-methoxime 11,12-carbonate; (xviii) 9-dihydro-9, 11-ethylidene-erythromycin A 6-carbamate; (xix) erythromycin A 6-methoxyacetylcarbamate 9-methoxime 11, 4" -diformate; (xx) erythromycin A 6,12-methoxyacetylcarbamate 9-methoxime 11,4"-diformate; (xxi) erythromycin A 6-p-toluenesulphonylcarbamate 9-methoxime 11,4"-diformate; (xxii) erythromycin A 6,12-bis-p-toluenesulphonylcarbamate 9-methoxime 11,4"-diformate; (xxiii) 11-O-(2-hydroxyethoxymethyl)-erythromycin A 6-carbamate 9-oxime; (xxiv) 11-O-(2-hydroxyethoxymethyl)-erythromycin A 6, 12-dicarbamate 9-oxime; (xxv) 11-O-(2-N, N-dimethylaminoethoxymethyl)-erythromycin A 6-carbamate 9-oxime; (xxvi) 11-O-(2-N, N-dimethylaminoethoxymethyl)-erythromycin A 6 -carbamate; (xxvii) 11-O-ethoxymethyl-erythromycin A 6-carbamate 9-oxime; (xxviii) 11-O-ethoxymethyl-erythromycin A 6,12-dicarbamate 9-oxime; (xxix) 1-O-ethoxymethyl-erythromycin A 6-carbamate 9-methoxime; or (xxx) erythromycin A 6-p-toluenesulphonylcarbamate 9-methoxime; or a pharmaceutically acceptable ester or acid addition salt thereof.
Claim 19
Independent Claim 749 words
A method of treating bacterial infections in humans and animals which comprises administering to a human or animal in need thereof an antibacterially effective amount of the compound of the formula I or a pharmaceutically acceptable ester or acid addition salt thereof: ##STR21## wherein one of R 1 and R 2 is hydrogen, and the other of R 1 and R 2 is amino unsubstituted or substituted by one or two alkyl moieties of 1 to 6 carbon atoms, or the other of R 1 and R 2 , together with R 5 , is a group of the formula III below, or R 1 and R 2 together are oxo, oxime unsubstituted or substituted by alkyl, cycloalkyl or alkenyl of up to 6 carbon atoms, phenyl, hydrocarbon-carbonyl or hydrocarbonoxy-carbonyl wherein the hydrocarbon is alkyl of up to 6 carbon atoms or phenyl each of which is unsubstituted or substituted by alkyl of 1 to 6 carbon atoms, heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di- or tri-alkylamino of 1 to 6 carbon atom in each alkyl moiey, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxy or salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyl, heterocyclylcarbonyl or --S(O) n R 12 wherein n is 0, 1 or 2 and R 12 is alkyl of 1 to 6 carbon atoms, heterocyclyl or aryl, or an imino; R 3 is carbamoyl or N-substituted carbamoyl of the formula --O--CO--NH--X--R 15 wherein X is --CO-- or --SO 2 and R 15 is alkyl of 1 to 6 carbon atoms, haloalkyl of 1 to 6 carbon atoms, alkoxyalkyl of 1 to 6 carbon atoms in each of the alkoxy and alkyl moieties, phenyl, alkylphenyl of 1 to 6 carbon atoms in the alkyl moiety or halophenyl; R 4 is hydrogen or hydroxy, and R 5 is hydroxy, or etherified hydroxy, or R 5 together with R 1 or R 2 is a group of the formula III below as defined above, or R 4 and R 5 together are a group of the formula II or III: ##STR22## in which R A and R B are the same or different, and each is hydrogen, phenyl, or alkyl of 1 to 6 carbon atoms, said alkyl being unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl; R 6 is hydrogen, fluorine or hydroxy; R 7 is hydrogen or methyl; one of R 8 and R 9 is hydrogen, hydroxy, alkoxy, alkanoyloxy, amino, substituted amino of the formula XII or XIII: --NHCOR.sup.16 XII or --NHSO.sub.2 R.sup.16 XIII wherein R 16 is alkyl of 1 to 6 carbon atoms or phenyl, unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl, or a group of the formula R C SO 2 --O--, in which R C is, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, phenyl, nitrophenyl, halophenyl, alkylphenyl of 1 to 6 carbon atoms in the alkyl moiety, benzyl, nitrobenzyl, halobenzyl, alkylbenzyl of 1 to 6 carbon atoms in the alkyl moiety, phenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, nitrophenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, halophenyoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, alkylphenoxyalkyl of 1 to 6 carbon atoms in each alkyl moiety or R 17 --CH 2 --CH 2 -- wherein R 17 is amino, carbamoyl, sulphamoyl, alkoxy of 1 to 6 carabon atoms, alkylthio of 1 to 6 carbon atoms, aryloxy, arylthio, benzyloxy or benzylthio and the other of R 8 and R 9 is hydrogen, or R 8 and R 9 together are oxo, oxime or acetyloxime, in combination with a pharmaceutically acceptable carrier.
Claim 20
Independent Claim 749 words
A method of treating bacterial infections in humans and animals which comprises administering to a human or animal in need thereof an antibacterially effective amount of the compound of the formula I or a pharmaceutically acceptable ester or acid addition salt thereof: ##STR21## wherein one of R 1 and R 2 is hydrogen, and the other of R 1 and R 2 is amino unsubstituted or substituted by one or two alkyl moieties of 1 to 6 carbon atoms, or the other of R 1 and R 2 , together with R 5 , is a group of the formula III below, or R 1 and R 2 together are oxo, oxime unsubstituted or substituted by alkyl, cycloalkyl or alkenyl of up to 6 carbon atoms, phenyl, hydrocarbon-carbonyl or hydrocarbonoxy-carbonyl wherein the hydrocarbon is alkyl of up to 6 carbon atoms or phenyl each of which is unsubstituted or substituted by alkyl of 1 to 6 carbon atoms, heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di- or tri-alkylamino of 1 to 6 carbon atom in each alkyl moiey, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxy or salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyl, heterocyclylcarbonyl or --S(O) n R 12 wherein n is 0, 1 or 2 and R 12 is alkyl of 1 to 6 carbon atoms, heterocyclyl or aryl, or an imino; R 3 is carbamoyl or N-substituted carbamoyl of the formula --O--CO--NH--X--R 15 wherein X is --CO-- or --SO 2 and R 15 is alkyl of 1 to 6 carbon atoms, haloalkyl of 1 to 6 carbon atoms, alkoxyalkyl of 1 to 6 carbon atoms in each of the alkoxy and alkyl moieties, phenyl, alkylphenyl of 1 to 6 carbon atoms in the alkyl moiety or halophenyl; R 4 is hydrogen or hydroxy, and R 5 is hydroxy, or etherified hydroxy, or R 5 together with R 1 or R 2 is a group of the formula III below as defined above, or R 4 and R 5 together are a group of the formula II or III: ##STR22## in which R A and R B are the same or different, and each is hydrogen, phenyl, or alkyl of 1 to 6 carbon atoms, said alkyl being unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl; R 6 is hydrogen, fluorine or hydroxy; R 7 is hydrogen or methyl; one of R 8 and R 9 is hydrogen, hydroxy, alkoxy, alkanoyloxy, amino, substituted amino of the formula XII or XIII: --NHCOR.sup.16 XII or --NHSO.sub.2 R.sup.16 XIII wherein R 16 is alkyl of 1 to 6 carbon atoms or phenyl, unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di-, or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl, or a group of the formula R C SO 2 --O--, in which R C is, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, phenyl, nitrophenyl, halophenyl, alkylphenyl of 1 to 6 carbon atoms in the alkyl moiety, benzyl, nitrobenzyl, halobenzyl, alkylbenzyl of 1 to 6 carbon atoms in the alkyl moiety, phenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, nitrophenoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, halophenyoxyalkyl of 1 to 6 carbon atoms in the alkyl moiety, alkylphenoxyalkyl of 1 to 6 carbon atoms in each alkyl moiety or R 17 --CH 2 --CH 2 -- wherein R 17 is amino, carbamoyl, sulphamoyl, alkoxy of 1 to 6 carabon atoms, alkylthio of 1 to 6 carbon atoms, aryloxy, arylthio, benzyloxy or benzylthio and the other of R 8 and R 9 is hydrogen, or R 8 and R 9 together are oxo, oxime or acetyloxime, in combination with a pharmaceutically acceptable carrier.
Claim 21
Dependent Claim 13 words
A method according to claim 17, wherein R 11 is hydrogen or methyl.
Claim 22
Dependent Claim 11 words
A method according to claim 17, wherein R 4 is hydroxy.
Claim 23
Dependent Claim 11 words
A method according to claim 17, wherein R 7 is methyl.
Claim 24
Dependent Claim 16 words
A method accroding to claim 17 wherein R 8 is hydrogen and R 9 is hydroxy.
Claim 25
Dependent Claim 11 words
A method according to claim 17, wherein R 5 is hydroxy.
Claim 26
Dependent Claim 422 words
A method according to claim 17, wherein R 5 is alkoxy of 1 to 6 carbon atoms or a group of the formula IX or X: ##STR23## in which formulae Q is one of the following groups: ##STR24## R D is alkyl, R E is hydrogen or alkyl of 1 to 6 carbon atoms, R F is alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms or phenyl each of which is unsubstituted or substituted by heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di- or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, alkylthio of 1 to 6 carbon atoms, heterocyclylthio, arylthio, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxyl or a salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyloxy, heterocyclylcarbonyloxy or acyl; R G is hydrogen, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, aryl, aryloxy, cycloalkyl of 3 to 7 carbon atoms or cycloalkyloxy of 3 to 7 carbon atoms unsubstituted or substituted by hydroxy, halo, carboxy, alkoxy of 1 to 6 carbon atoms, aryloxy, formyl, acyloxy, alkoxycarbonyl of 1 to 6 carbon atoms in the alkyl moiety, alkanesulphonyloxy of 1 to 6 carbon atoms in the alkane moiety, trialkylsilyloxy of 1 to 6 carbon atoms in each alkyl moiety, amino, N-alkylamino or N, N-dialkylamino of 1 to 6 carbon atoms in each alkyl moiety, oxo, azido, diazo or heterocyclyl, each of R H and R J , is the same or different, and each is hydrogen or alkyl of up to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms or phenyl each of which is unsubstituted or substituted by alkyl of 1 to 6 carbon atoms, heterocyclyl, amino, alkanoylamino of 1 to 6 carbon atoms, mono-, di- or tri-alkylamino of 1 to 6 carbon atoms in each alkyl moiety, hydroxy, alkoxy of 1 to 6 carbon atoms, mercapto, sulphamoyl, carbamoyl, amidino, guanidino, nitro, chloro, bromo, fluoro, carboxy or salt or ester thereof, alkanoyloxy of 1 to 6 carbon atoms, arylcarbonyl, heterocyclylcarbonyl or --S( O ) n R 12 wherein n is 0,1 or 2 and R 12 is alkyl of 1 to 6 carbon atoms, heterocyclyl or aryl, or any two of R F , R G , R H and R J together form a 4- to 7-membered heterocyclic ring together with the intervening atoms of the molecule.
Claim 27
Dependent Claim 187 words
The method according to claim 17, wherein the compound of formula I is (i) erythromycin A 6-carbamate 9-oxime; (ii) erythromycin A 6-carbamate 9-oxime 11,12-carbonate; (iii) erythromycin A 6-carbamate; (iv) erythromycin A 6,11-dicarbamate 9-methoxime; (v) erythromycin A 6-carbamate 9-methoxime 11,12-carbonate; (vi) erythromycin A 6-dicarbamate 9-imine; (vii) erythromycylamine 6-carbamate; (viii) erythromycin A 6-carbamate 11, 12-carbonate; (ix) erythromycin A 6-carbamate 9-methoxime (x) erythromycin A 6, 12-dicarbamate 9-methoxime 11-formate; (xi) erythromycin A 6-carbamate 9-(2-methoxy- ethoxymethoxime); (xii) erythromycin A 6-benzoylcarbamate 9-oxime; (xiii) erythromycin A 6-benzoylcarbamate 9-oxime 11,12-carbonate; (xiv) erythromycin A 6-benzoylcarbamate 9-methoxime 11,12-carbonate; (xv) erythromycin A 6-benzoylcarbamate 9-methoxime; (xvi) erythromycin A 6, 12-bis-acetylcarbamate 9-methoxime 11-formate; (xvii) erythromycin A 6-acetylcarbamate 9-methoxime 11,12-carbonate; (xviii) 9-dihydro-9,11-ethylidene-erythromycin A 6-carbamate; (xix) erythromycin A 6-methoxyacetylcarbamate 9methoxime 11,4"-diformate; (xx) erythromycin A 6,12-methoxyacetylcarbamate 9-methoxime 11,4"-diformate; (xxi) erythromycin A 6-p-toluenesulphonylcarbamate 9-methoxime 11,4"-diformate; (xxii) erythromycin A 6,12-bis-p-toluenesulphonylcarbamate 9-methoxime 11, 4"-diformate; (xxiii) 11-O-(2-hydroxyethoxymethyl)-erythromycin A 6-carbamate 9-oxime; (xxiv) 11-O-(2-hydroxyethoxymethyl)-erythromycin A 6,12-dicarbamate 9-oxime; (xxv) 11-O-(2-N, N-dimethylaminoethoxymethyl)-erythromycin A 6-carbamate 9-oxime; (xxvi) 11-O-(2-N, N-dimethylaminoethoxymethyl)-erythromycin A 6-carbamate; (xxvii) 11-O-ethoxymethyl-erythromycin A 6-carbamate 9-oxime; (xxviii) 11-O-ethoxymethyl-erythromycin A 6,12-dicarbamate 9-oxime; (xxix) 1-O-ethoxymethyl-erythromycin A 6-carbamate 9-methoxime; or (xxx) erythromycin A 6-p-toluenesulphonylcarbamate 9-methoxime; or a pharaceuticalIy acceptable ester or acid addtion salt thereof.

References Cited (Backward Citations)

US4133950A Cited

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