摘要:
Carbapenems having the formula: ##STR1## wherein ##STR2## is mono- or bicyclic quaternary heteroaryl, their preparation and antibiotic use are disclosed.
摘要:
Carbapenems having the formula: ##STR1## wherein: R.sup.1 is H;R.sup.4 and R.sup.5 are independently H, CH.sub.3 --, CH.sub.3 CH.sub.2 --, (CH.sub.3).sub.2 CH--, HOCH.sub.2 --, CH.sub.3 CH(OH)--, (CH.sub.3).sub.2 C(OH)--, FCH.sub.2, F.sub.2 CH--, F.sub.3 C--, CH.sub.3 CH(F)--, CH.sub.3 CF.sub.2 --, (CH.sub.3).sub.2 C(F)--; X is --S--, --SO--, --SO.sub.2 --, --O-- or --NH; L is a bridging group comprising substituted or unsubstituted C.sub.1 --C.sub.4 straight, C.sub.2 -C.sub.6 branched or C.sub.3 -C.sub.7 cycloalkyl groups wherein the substituents are selected from C.sub.1 -C.sub.6 alkyl, O--C.sub.1 -C.sub.6 alkyl, S--C.sub.1 -C.sub.6 alkyl, CF.sub.3, N(C.sub.1 -C.sub.6 alkyl).sub.2 ; Y is a carboxy-containing substituent; Het is internally alkylated heteroarylium, ##STR2## or externally alkylated heteroarylium, ##STR3## their preparation and antibiotic use are disclosed.
摘要:
Carbapenems and 1-methylcarbapenems having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are independently H, CH.sub.3, CH.sub.3 CH.sub.2 --, (CH.sub.3).sub.2 CH--, HOCH.sub.2, CH.sub.3 CH(OH)--, (CH.sub.3).sub.2 C(OH)--, FCH.sub.2 --, F.sub.2 CH, F.sub.3 C--, CH.sub.3 CH(F)--, CH.sub.3 CF.sub.2 --, or (CH.sub.3).sub.2 C(F)--;R.sup.3 is H-- or CH.sub.3 ;L isa bridging group comprising substituted or unsubstituted C.sub.1 -C.sub.4 straight, C.sub.2 -C.sub.6 branched or C.sub.3 -C.sub.7 cycloalkyl groups wherein the substituents are selected from C.sub.1 -C.sub.6 alkyl, O--C.sub.1 -C.sub.6 alkyl, S--C.sub.1 -C.sub.6 alkyl, CF.sub.3, N(C.sub.1 -C.sub.6 alkyl).sub.2 ;N.sup.+ is a quaternary, monocyclic or bicyclic substituted or unsubstituted, heteroaryl group containing (a) when monocyclic, up to 3 heteroatoms and up to 6 total ring atoms, or (b) when bicyclic, up to 5 heteroatoms and 9-10 ring atoms, which is optionally substituted with one or more groups;their preparation and antibiotic use are disclosed.
摘要:
Compounds of the formula: ##STR1## where R is hydrogen, hydroxyl, alkyl or acyl, R' and R" together are oxo, hydroxyimino or alkoxyimino, and R' and R" independently are hydrogen, hydroxyl, acyloxy, or amino substituted by any of hydrogen, alkylcarbonyl, arylcarbonyl, aralkylcarbonyl, alkoxycarbonyl, aralkoxycarbonyl, alkylsulfonyl or arylsulfonyl, and n is 0 or 1, and the pharmaceutically acceptable salts thereof. The compounds are macrolide antibiotics and are also useful as intermediates to the synthesis of other macrolide antibiotics. Pharmaceutical compositions and methods of their use are also provided for.
摘要:
Disclosed are 6-amidocyclonocardicins (I) and their pharmaceutically acceptable salts and esters which are useful as antibiotics ##STR1## wherein: R is NH.sub.2, R.sup.1 NH, R.sup.1 is acyl. Also disclosed are processes for the preparation of such compounds; pharmaceutical compositions comprising such compounds; and methods of treatment comprising administering such compounds and compositions when an antibiotic effect is indicated.
摘要:
3-Phosphonate carbapenems of the Formula: wherein R.sup.1 is hydrogen, alkyl, amino, --NHCO-alkyl, hydroxy, alkoxy, halo, hydroxyalkyl, carboxyl or trifluoromethyl; R.sup.2 is alkyl, substituted alkyl, heterocyclic or substituted heterocyclic; R.sup.3 is hydrogen, alkyl or substituted alkyl; and M is a metal cation of H.sup.+ are disclosed. The compounds are useful as antibiotics.
摘要:
N-tetrazolyl beta-lactams of the Formula: ##STR1## and the pharmaceutically acceptable salts thereof wherein R.sup.2 is hydrogen, alkyl having 1 to 6 carbon atoms or carboalkoxy having 2 to 7 carbon atoms; andZ is ##STR2## and W is ##STR3## thus forming a zwitterion, or Z is ##STR4## wherein R.sup.1 is benzyl, phenyloxymethyl or ##STR5## wherein Y is alkoxy or substituted alkoxy having 1 to 6 carbon atoms wherein the substituent on the alkoxy group is --COOH; andW is ##STR6## wherein R.sup.3 is H, M or --CH.sub.2 COOM, wherein M is a pharmaceutically acceptable cation are disclosed. The compounds are useful as antibiotics.
摘要:
Disclosed is the antibiotic 6-(1-hydroxyethyl)-2-substituted-thio-3-tetrazolyl-1-carbadethiapen-2-em and its pharmaceutically acceptable salts (I): ##STR1## wherein Z is C.sub.1 -C.sub.3 alkylamino, C.sub.1 -C.sub.3 alkylguanidino, C.sub.1 -C.sub.3 alkylamidino, or heterocycloalkyl and, M=H, a synthetically useful cation, or pharmaceutically acceptable cation. Such compounds as well as their pharmaceutically acceptable salts are useful as antibiotics. Also disclosed are processes for the preparation of such compounds; novel intermediates; pharmaceutical compositions comprising such compounds; and methods of treatment comprising administering such compounds and compositions when an antibiotic effect is indicated.
摘要:
Disclosed are 6-(1-hydroxyethyl)cyclonocardicins (I) and their pharmaceutically acceptable salts and esters which are useful as antibiotics. ##STR1## Also disclosed are processes for the preparation of such compounds; pharmaceutical compositions comprising such compounds; and methods of treatment comprising administering such compounds and compositions when an antibiotic effect is indicated.
摘要:
Compounds of the formula: ##STR1## wherein ##STR2## is a quaternized, monocyclic or bicyclic heteroaryl group, substituted by an acid moiety, and their preparation and use as antibiotics are disclosed.