摘要:
Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or hydroxyl; R.sub.2 is hydrogen; hydroxyl or methyl, R.sub.3 is hydrogen or hydroxyl; R.sub.4 is C.sub.5 -C.sub.23 alkyl, C.sub.5 -C.sub.23 alkenyl, aryl or substituted aryl; R.sub.5 is --CH.sub.2 OH, --CH(CH.sub.3)OH, --CH(CH.sub.2 CONH.sub.2)OH; R.sub.6 is --CH.sub.2 OH or --CH(CH.sub.3)OH; R is --CH.sub.2 OH or --CH(CH.sub.3)OH; provided that when R.sub.4 is --(CH.sub.2).sub.8 CH(CH.sub.3)CH.sub.2 CH(CH.sub.3)C.sub.2 H.sub.5, R.sub.5 is --CH.sub.2 OH or --CH(CH.sub.3)OH. The compounds are useful as antimicrobial agents, especially as antifungal agents.
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 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:
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:
Triazolyl and tetrazolyl phenyl substituted carbapenems of the formula I are disclosed. ##STR1## One or two of the variables X, Y and Z represent nitrogen atoms. The heteroaryl ting may be charged or uncharged.Pharmaceutical compositions and methods of treatment are also disclosed.
摘要:
Carbapenems of the formula ##STR1## wherein either the 2-fluoren-9-one or 3-fluoren-9-one is attached at the 2-position of the carbapenem are useful antibacterial agents.
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.