Substituted oxazolidinones

Substituted oxazolidinones of the general formula (1) ##STR192## in which A represents a 5-membered aromatic heterocycle bonded directly via a carbon atom and having up to 3 heteroatoms from the series S, N and/or O, which can additionally have a fused benzene or naphthyl ring, or represents a 6-membered, aromatic heterocycle bonded directly via a carbon atom and having at least one nitrogen atom, or represents an in each case 6-membered, bi- or tricyclic aromatic radical bonded directly via a carbon atom and having at least one nitrogen-containing ring, or represents .beta.-carbolin-3-yl or indolizinyl bonded directly via the 6-membered ring, the cyclic systems optionally in each case being substituted up to 3 times in an identical or different manner by carboxyl, halogen, cyano, mercapto, formyl, phenyl, trifluoromethyl, nitro, straight-chain or branched alkoxy, alkoxycarbonyl, alkylthio or acyl each having up to 6 carbon atoms or by straight-chain or branched alkyl or alkenyl each having up to 6 carbon atoms, which for their part can be substituted by phenyl, and/or being substituted by pyridyl, which for its part can be substituted by straight-chain alkyl or alkoxy each having up to 6 carbon atoms or represents a radical of the formula ##STR193## in which R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are identical or different and denote hydrogen or carboxyl, halogen, cyano, formyl, trifluoromethyl, nitro, straight-chain or branched alkyl having up to 6 carbon atoms or a group of the formula --CO--NR.sup.13 R.sup.14, in which

• R.sup.13 and R.sup.14 are identical or different and denote hydrogen, straight-chain or branched alkyl having up to 4 carbon atoms or phenyl,
• R.sup.2, R.sup.9, R.sup.10, R.sup.11 and R.sup.12 are identical or different and denote hydrogen, cycloalkylcarbonyl or cycloalkyl each having 3 to 6 carbon atoms, or straight-chain or branched alkoxycarbonyl or alkylthio each having up to 6 carbon atoms, or denote straight-chain or branched alkyl having up to 10 carbon atoms, which is optionally substituted by cyano, trifluoromethyl, halogen, phenyl, hydroxyl, carboxyl, straight-chain or branched alkoxycarbonyl having up to 6 carbon atoms, aryl having 6 to 10 carbon atoms, cycloalkyl having 3 to 6 carbon atoms and/or by a group of the formula --(CO).sub.e ---NR.sup.15 R.sup.16, R.sup.17 --N--SO.sub.2 --R.sup.18, R.sup.19 R.sup.20 --N--SO.sub.2 -- or R.sup.21 --S(O).sub.d, in which
• c denotes a number 0 or 1,
• R.sup.15, R.sup.16 and R.sup.17 have the meaning of R.sup.13 and R.sup.14 indicated above and are identical to or different from this, or together with the nitrogen atom form a 5- to 6-membered, saturated heterocycle optionally having a further heteroatom from the series N, S and/or 0, which for its part can be optionally substituted, also on a further nitrogen atom, by straight-chain or branched alkyl or acyl having up to 3 carbon atoms,
• R.sup.19 and R.sup.20 have the meaning of R.sup.13 and R.sup.14 indicated above and are identical to or different from this,
• d denotes a number 0, 1 or 2,
• R.sup.18 and R.sup.21 are identical or different and denote straight-chain or branched alkyl having up to 4 carbon atoms, benzyl, phenyl or tolyl, or denote straight-chain or branched acyl having up to 6 carbon atoms, which is optionally substituted by trifluoromethyl, trichloromethyl or by a group of the formula --OR.sup.22, in which
• R.sup.22 denotes hydrogen or straight-chain or branched alkyl having up to 6 carbon atoms, which is optionally substituted by aryl having up to 10 carbon atoms, or
• denotes a group of the formula --(CO).sub.e ----NR.sup.23 R.sup.24, --NR.sup.25 --SO.sub.2 R.sup.26, R.sup.27 R.sup.28 --NSO.sub.2 -- or R.sup.29 --S(O).sub.f, in which
• e has the meaning of c indicated above and is identical to or different from this,
• R.sup.23 and R.sup.24 and R.sup.25 each have the meaning of R.sup.15, R.sup.16 and R.sup.17 indicated above and are identical to or different from this,
• R.sup.27 and R.sup.28 have the meaning of R.sup.13 and R.sup.14 indicated above and are identical to or different from this,
• f has the meaning of d indicated above and is identical to or different from this,
• R.sup.26 and R.sup.29 have the meaning of R.sup.18 and R.sup.21 in each case indicated above and are identical to or different from this,
• D denotes an oxygen atom or a radical of the formula --S(O).sub.g, in which
• g denotes a number 0, 1 or 2,
• E and L are identical or different and denote an oxygen or a sulphur atom,
• G, M, T and Q are identical or different and denote an oxygen or a sulphur atom, or a group of the formula --NR.sup.30, in which
• R.sup.30 denotes hydrogen or straight-chain or branched alkyl having up to 5 carbon atoms,
• a and b are identical or different and denote a number 1 or 2,
• R.sup.1 represents a radical of the formula ##STR194## in which R.sup.31 denotes straight-chain or branched alkyl having up to 7 carbon atoms, cycloalkyl having 3 to 6 carbon atoms, phenyl or a group of the formula --NR.sup.38 R.sup.39, in which
• R.sup.38 and R.sup.39 have the meaning of R.sup.13 and R.sup.14 indicated above and are identical to or different from this,
• R.sup.32 denotes hydrogen, cyano, cycloalkyl having 3 to 6 carbon atoms, phenyl or straight-chain or branched alkyl having up to 7 carbon atoms,
• R.sup.33 denotes hydrogen, straight-chain or branched alkyl having up to 7 carbon atoms, phenyl, cycloalkyl having 3 to 6 carbon atoms or a group of the formula --NR.sup.40 R.sup.41, in which
• R.sup.40 and R.sup.41 have the meaning of R.sup.13 and R.sup.14 indicated above and are identical to or different from this,
• h denotes a number 1, 2, 3 or 4,
• R.sup.34 denotes hydrogen, straight-chain or branched alkyl having up to 6 carbon atoms or benzyl,
• R.sup.35 and R.sup.36 are identical or different and denote hydrogen or straight-chain or branched alkyl having up to 6 carbon atoms, or
• R.sup.1 represents cyano or a 5- to 7-membered, saturated, partially unsaturated or unsaturated heterocycle having up to 3 heteroatoms from the series S, N and/or O, which is optionally substituted, also via an N function, up to 2 times in an identical or different manner by benzyl, halogen or by straight-chain or branched alkyl having up to 5 carbon atoms,
• and their stereoisomers, stereoisomer mixtures and salts.