TETRAHYDROPYRIDOINDOLE DERIVATIVES

FIELD: chemistry. ^ SUBSTANCE: invention relates to tetrahydropyridoindole derivatives of general formula , where R1, R2, R3 and R4 independently represent hydrogen; C1-C5alkyl, which can be optionally substituted and represents trifluoromethyl if C1-C5alkyl is substituted; C1-C3alkoxy or halogen, and R5 is C1-C6alkylcarbonyl, C1-C5alkylcarbamoyl, C1-C5alkoxycarbonyl, C2-C5alkenylcarbonyl, C3-C6cycloalkylcarbonyl, C3-C6cycloalkyl(C1-C3)alkylcarbonyl, C3-C6cycloalkylcarbamoyl, C3-C6cycloalkylthiocarbamoyl, phenylcarbonyl or phenyl(C1-C3)alkylcarbonyl, where the phenyl residue in these two groups contains one, two, three or four substitutes, independently selected from a group comprising C1-C4alkyl, C1-C3alkoxy, halogen, trifluoromethyl and trifluoromethoxy, monosubstituted with a C3-C6cycloalkyl group, or monosubstituted with a phenyl group which in turn is substituted with a C1-C3alkyl group; phenyl(C1-C3)alkoxycarbonyl, phenylcarbamoyl or phenylthiocarbamoyl (where these two groups are optionally independently monosubstituted with a C1-C5alkyl group or halogen atoms); phenyl(C1-C3)alkylcarbamoyl, phenyl(C1-C3)alkylthiocarbamoyl, biphenylcarbamoyl, naphthylcarbonyl, naphthyl(C1-C3)alkylcarbonyl or naphthylcarbamoyl (where the naphthyl residues in these three groups are optionally monosubstituted with substitutes independently selected from a group comprising C1-C3alkyl, C1-C3alkoxy and halogen); fluorenylcarbonyl, optionally substituted with an oxo group, fluorenyl(C1-C3)alkoxycarbonyl; or 5-9-member heteroarylcarbonyl groups containing one or two heteroatoms, independently selected from a group comprising oxygen, nitrogen and sulphur, where the said groups can be substituted with one or two groups independently selected from C1-C3alkyl and halogen, provided that if R1, R2, R3, R4 are hydrogen, R5 is not ethoxycarbonyl or tert-butoxycarbonyl, or salt thereof. The invention also relates to a pharmaceutical composition based on the compound of formula I and to use of the compound in preparing a medicinal agent. ^ EFFECT: obtaining novel tetrahydropyridoindole derivatives which have CRTH2 receptor antagonistic activity. ^ 14 cl, 14 tbl, 171 ex Настоящее изобретение относится к производным тетрагидропиридоиндола общей формулы (I), где R1, R2, R3 и R4 независимо означают водород; C1-С5алкил, который может быть необязательно замещенным и в случае, когда C1-С5алкил замещен, он представляет собой трифторметил; C1-С3алкокси или галоген, а R5 означает C1-С5алкилкарб