Patent ID: 7196091

Claim:
A compound of formula wherein R a denotes a hydrogen atom or a C 1-3 -alkyl group, R b denotes a phenyl or 1-phenylethyl group, wherein the phenyl nucleus is substituted in each case by the groups R 1 to R 3 , while R 1 and R 2 , which may be identical or different, in each case denote a hydrogen, fluorine, chlorine, bromine or iodine atom, a C 1-4 -alkyl, hydroxy, C 1-4 -alkoxy, C 2-3 -alkenyl or C 2-3 -alkynyl group, a phenyloxy or phenylmethoxy group, while the phenyl moiety of the above-mentioned groups is optionally substituted by a fluorine or chlorine atom, or a pyridyloxy or pyridinylmethoxy group, while the pyridinyl moiety of the above-mentioned groups is optionally substituted by a methyl or trifluoromethyl group, a methyl or methoxy group substituted by 1 to 3 fluorine atoms or a cyano, nitro or amino group, and R 3 denotes a hydrogen, fluorine, chlorine or bromine atom or a methyl or trifluoromethyl group, R c denotes a 2-oxo-oxazolidin-3-yl group optionally substituted by one or two C 1-3 -alkyl groups, R d denotes a hydrogen atom, a hydroxy group, a C 1-3 -alkyloxy group, a C 2-4 -alkyloxy group which is substituted by a group R 4 , while R 4 denotes a hydroxy, C 1-3 -alkyloxy, C 3-6 -cycloalkyloxy, amino, C 1-3 -alkylamino, di-(C 1-3 alkyl)amino, bis-(2-methoxyethyl)-amino, pyrrolidin-1-yl, piperidin-1-yl, homopiperidin-1-yl, morpholin-4-yl, homomorpholin-4-yl, 2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl, 3-oxa-8-aza-bicyclo[3.2.1]oct-8-yl, 8-oxa-3-aza-bicyclo-[3.2.1]oct-3-yl, piperazin-1-yl, 4-C 1-3 -alkyl-piperazin-1-yl, homopiperazin-1-yl or 4-C 1-3 -alkyl-homopiperazin-1-yl group, while the above-mentioned pyrrolidinyl, piperidinyl, piperazinyl- and morpholinyl groups may each be substituted by one or two C 1-3 -alkyl groups, a C 3-7 -cycloalkyloxy or C 3-7 -cycloalkyl-C 1-3 -alkyloxy group, a tetrahydrofuran-3-yloxy, tetrahydropyran-3-yloxy or tetrahydropyran-4-yloxy group, or a tetrahydrofuranyl-C 1-3 -alkyloxy or tetrahydropyranyl-C 1-3 -allyloxy group, X denotes a nitrogen atom and n denotes the number 2, 3 or 4, while, unless otherwise stated, the above-mentioned alkyl groups may be straight-chain or branched, the tautomers, the stereoisomers, the mixtures thereof and the salts thereof.