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  • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
  • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
  • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D213/72—Nitrogen atoms
  • C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
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  • C07C279/00—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups
  • C07C279/20—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups containing any of the groups, X being a hetero atom, Y being any atom, e.g. acylguanidines
  • C07C279/22—Y being a hydrogen or a carbon atom, e.g. benzoylguanidines
• • C—CHEMISTRY; METALLURGY
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  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C279/00—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups
  • C07C279/20—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups containing any of the groups, X being a hetero atom, Y being any atom, e.g. acylguanidines
  • C07C279/24—Y being a hetero atom
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  • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
  • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
  • C07D209/04—Indoles; Hydrogenated indoles
  • C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
  • C07D209/18—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
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  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
  • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
  • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
  • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
  • C07D213/81—Amides; Imides
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
  • C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
  • C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
  • C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D277/38—Nitrogen atoms
  • C07D277/44—Acylated amino or imino radicals
  • C07D277/48—Acylated amino or imino radicals by radicals derived from carbonic acid, or sulfur or nitrogen analogues thereof, e.g. carbonylguanidines

Definitions

• the invention relates to new ammosaur derivatives of the general formula
• R is a phenyl, 1-naphthyl or 2-naphthyl group, a 5-membered heteroaromatic ring linked via a carbon atom, which has a nitrogen, oxygen or sulfur atom or a nitrogen and em oxygen, sulfur or em contains a further nitrogen atom, where a nitrogen atom of an immune group can be substituted by an alkyl, alkoxycarbonylalkyl, carboxyalkyl, dialkylammoalkyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl or alkoxycarbonyl group, or a linked via a carbon atom 6 -gl ⁇ edr ⁇ gen heteroaromatic ring containing 1, 2 or 3 nitrogen atoms, it being possible for both the 5-gl ⁇ edr ⁇ gen and the 6-gl ⁇ edr ⁇ gen heteroaromatic rings to have a 1,4-butadienylene group attached via two adjacent carbon atoms and the bicyclic
• R and the mono- and bicyclic heteroaromatic rings in the carbon skeleton additionally by fluorine, chlorine or bromine atoms, by alkyl groups, cycloalkyl groups having 3 to 8 carbon atoms, alkoxy, phenyl, phenylalkoxy, trifluoromethyl, Alkoxycarbonylalkyl, carboxyalkyl, dialkylammoalkyl, hydroxy, amino, acetylammo-, propionylammo-, benzoyl-, benzoyl- ammo, benzoylmethylammo-, aminocarbonyl-, alkylamino- carbonyl-, dialkylaminocarbonyl-, alkanoyl-, cyano- , Trifluor ⁇ methoxy, trifluoromethylthio, trifluoromethylsulfinyl or trifluoromethylsulfonyl groups can be mono-, di- or maximally tn- substituted, where the
• the phenyl groups are independently mono- or disubstituted by fluorine, chlorine or bromine atoms, methyl, methoxy, hydroxycarbonylmethoxy, alkoxycarbonylmethoxy, hydroxy or trifluoromethyl groups can, the substituents being identical or different,
• n the numbers 0, 1 or 2
• R 1 is a branched or unbranched aliphatic alkylcarbonyl radical comprising 2 to 5 carbon atoms, which is substituted in the alkyl part by an alkoxycarbonyl or phenylalkoxycarbonyl group, by a phenyl group or by a 5- or 6-membered heteroaromatic ring linked via a carbon atom may, or a benzoyl radical, in which the phenyl part can also be replaced by a 5- or 6-membered heteroaromatic ring linked via a carbon atom, the abovementioned 5-membered heteroaromatic rings being a nitrogen, em oxygen or sulfur atom or contain a nitrogen and an additional oxygen, sulfur or further nitrogen atom and may also be substituted on an nitrogen atom by an alkyl group which contain 6-membered heteroaromatic rings 1, 2 or 3 nitrogen atoms and which are mentioned above Phenyl groups and all heteroaromatic rings in coal structural skeleton additionally by fluorine, chlorine or bromine
• alkoxycarbonyl or phenylalkoxycarbonyl radical an alkoxycarbonyl or phenylalkoxycarbonyl radical, the phenyl part in turn being mono- or disubstituted by fluorine, chlorine or bromine atoms, methyl, methoxy, hydroxycarbonylmethoxy, alkoxycarbonyl methoxy, hydroxyl or trifluoromethyl groups and the substituents in each case being the same or different could be,
• a phenyl group, a five-membered heteroaromatic ring bonded via a carbon atom, which contains a nitrogen, oxygen or sulfur atom or a nitrogen and em oxygen, sulfur or another nitrogen atom, a nitrogen atom of an immune group being substituted by an alkyl group can, or a 6-membered heteroaromatic ring linked via a carbon atom, which contains 1, 2 or 3 nitrogen atoms, both the phenyl group and the 5- and 6-membered heteroaromatic rings in the carbon skeleton additionally by fluorine or chlorine ⁇ or bromine atoms, by alkyl groups, cycloalkyl groups with 3 to 8 carbon atoms, phenylalkyl, alkoxy, trifluoromethyl, alkoxycarbonylalkyl, carboxyalkyl, hydroxy, amino, acetylamino, propionylamino, aminocarbonyl, alkylammocarbonyl , Dialkylaminocarbonyl-,
• R2 represents the hydrogen atom, an alkyl or phenylalkyl group which, in the phenyl moiety, can also be mono- or disubstituted by fluorine, chlorine or bromine atoms, alkyl, trifluoromethyl, amino or acetylamino groups, where the substituents can be the same or different,
• R-3 represents the hydrogen atom or an alkyl group
• Y is the oxygen atom or the -NR 4 group
• R ⁇ represents the hydrogen atom, a branched or unbranched alkyl group having 1 to 6 carbon atoms or the phenylmethyl group,
• V is the hydrogen atom, the fluorine, chlorine, bromine or iodine atom, a cyano, alkyl, hydroxy, alkoxy, phenylalkoxy, alkylcarbonyl, dialkylamino, hydroxymethyl, hydroxyethyl, hydroxypropyl, hydroxybutyl -, Trifluormethyl-, Trifluor ⁇ methoxy or T ⁇ fluormethylthio group or the group
• Y 1 is the single bond, the oxygen atom or the radical -NR5-, m the P 5 represents the hydrogen atom or a straight-chain or branched alkyl group having 1 to 6 carbon atoms or
• Y 2 is a straight-chain or branched alkyl group with 1 to 10 carbon atoms optionally substituted by a hydroxy, alkoxycarbonyl or ammocarbonyl group, a cycloalkyl group with 4 to 10 carbon atoms, a straight-chain or branched alkoxy group with 1 to 5 carbon atoms, an ammoalkyl , Alkylammoalkyl, dialkylammoalkyl, phenylmethoxy or 2-phenylethoxy group, eme in the phenyl part optionally by fluorine, chlorine or bromine atoms, by methyl, trifluoromethyl, cyano, amino, hydroxyl, methoxy, acetyl , Acetylammo-, Aminocarbonyl-, Methylammocarbonyl- or Dimethylammocarbonyl weakness mono-, di- or t ⁇ substituted phenyl or Phenylal ⁇ alkyl group
• R ⁇ is the hydrogen atom, a straight-chain or branched alkyl group with 1 to 6 carbon atoms optionally substituted by a hydroxyl, carboxy, alkoxycarbonyl or dialkylammo group, with the proviso that the hydroxyl group is not bonded in 1-position of the alkyl group is a cycloalkyl group with 4 to 8 carbon atoms or one in the phenyl part optionally by fluorine, chlorine or bromine atoms, by methyl, trifluoromethyl, hydroxyl, methoxy, ammo, acetylammo, aminocarbonyl, methylammocarbonyl, Dimethylammocar- bonyl or cyano groups mono-, di- or tri-substituted phenyl, phenylmethyl, 2-phenylethyl or 3-phenylpropyl group, where the substituents may be the same or different, such as alkanoyl, benzoyl, phenylal
• R 7 has the meanings given for R ⁇ with the exception of that of a phenyl, alkanoyl, benzoyl, phenylalkanoyl, alkoxycarbonyl and ammocarbonyl group or
• R ⁇ and R "7 together mean a n-alkylene group with 4 to 6 carbon atoms or
• R 7 together with the radical R- "of the group -NR- 1 - mentioned above for ⁇ l means an unbranched alkylene group or oxoalkylene group having 2 to 4 carbon atoms,
• the present invention relates to the racemates, provided that in compounds of the general formula I the asymmetric carbon atom of the central amino acid is the only chiral element.
• the application also includes the individual diastereomers or their mixtures which are present when a compound falling under general formula I contains two or more than two chiral elements.
• Particularly preferred are the compounds covered by general formula I, those with regard to the amino acid partial structure
• the compounds of the general formula I have valuable pharmacological properties which are based on their selective NPY-antagonistic properties.
• the invention further relates to medicaments containing these compounds, their use and their preparation.
• Y represents the oxygen atom or the -NR 4 group
• R 4 represents the hydrogen atom, the methyl or ethyl group
• V is bonded in the 3- or 4-position of the benzene ring and the hydrogen, fluorine, chlorine, bromine or iodine atom, a cyano, alkyl, hydroxy, alkoxy, phenylalkoxy, alkylcarbonyl, dialkylamino, Hydroxymethyl, hydroxyethyl, hydroxypropyl, hydroxybutyl, trifluoromethyl, trifluoromethoxy, trifluoromethylthio group or the group means - (CH 2 ) Q -Y ⁇ -WY 2 , in which
• R is a phenyl, 1-naphthyl or 2-naphthyl group, a 5-glutide heteroaromatic ring linked via a carbon atom, which contains a nitrogen, oxygen or sulfur atom or two nitrogen atoms, a nitrogen atom of an immune group being substituted by an alkyl group
• This can, or a 6-membered heteroaromatic ring linked via a carbon atom, which contains 1, 2 or 3 nitrogen atoms, with a 1, 4- both on the 5-membered rings and on the 6-membered heteroaromatic rings each via two adjacent carbon atoms.
• Butad ⁇ enylen group attached sem and the bicyclic heteroaromatic rings thus formed can also be bound via a carbon atom of the 1,4-butadienylene group and
• R and the mono- and bicyclic heteroaromatic rings in the carbon structure additionally by a fluorine, chlorine or bromine atom, by an alkyl group, a cycloalkyl group having 4 to 7 carbon atoms, an alkoxy, phenyl or trifluoromethyl group sub ⁇ can be
• the phenyl groups can be mono- or disubstituted independently of one another by fluorine, chlorine or bromine atoms, methyl, methoxy, hydroxycarbonylmethoxy, alkoxycarbonylmethoxy, hydroxyl or trifluoromethyl groups, where the substituents can each be the same or different, n the numbers 0, 1 or 2,
• alkoxycarbonyl or phenylalkoxycarbonyl radical which can be substituted in the phenyl part by a fluorine, chlorine or bromine atom, by a methyl, methoxy, hydroxyl or trifluoromethyl group
• a phenyl group or a five-membered heteroaromatic ring which is bonded via a carbon atom and which contains a nitrogen, oxygen or sulfur atom or a nitrogen and an oxygen, sulfur or another nitrogen atom, where a nitrogen atom of an imino group is present
• Alkyl group can be substituted, or a 6-membered heteroaromatic ring linked via a carbon atom, which contains 1, 2 or 3 nitrogen atoms, both the phenyl group and the 5- and 6-membered heteroaromatic rings in the carbon skeleton additionally by fluorine , Chlorine or bromine atom, by an alkyl group, by a cycloalkyl group having 3 to 6 carbon atoms, by a phenylalkyl, alkoxy, trifluoromethyl, hydroxyl or amino group,
• R 2 represents the hydrogen atom, also the methyl group
• R 2 is the hydrogen atom, an alkyl or phenylalkyl group, the phenyl radical of which can also be substituted by a fluorine, chlorine or bromine atom, an alkyl, trifluoromethyl, amino or acetylamino group,
• R- ⁇ represents the hydrogen atom or the methyl group
• R 4 represents the hydrogen atom, the methyl or ethyl group
• V which is bonded in the 4-position of the benzene ring, the hydrogen atom, the fluorine, chlorine or bromine atom, a cyano, alkyl, hydroxy, alkoxy, phenylalkoxy, hydroxymethyl, hydroxyethyl or Trifluoromethyl group or the group - (CH 2 ) 0 -Y 1 -WY 2 means in which
• W is the carbonyl group
• P- 1 represents the hydrogen atom or a straight-chain or branched alkyl group having 1 to 4 carbon atoms or,
• Y 2 is a straight-chain or branched alkyl group with 1 to 5 carbon atoms, optionally substituted by a hydroxy, alkoxycarbonyl or ammocarbonyl group, an alkoxy group with 1 to 3 carbon atoms, an amino-alkyl, alkylaminoalkyl or dialkylaminoalkyl group or one in the phenyl part optionally with em fluorine -, Chlor ⁇ or bromine, by a methyl, trifluoromethyl, cyano, amino, hydroxyl or methoxy group substituted phenyl or phenylalkyl group having 1 to 3 carbon atoms in the alkyl part or
• R ⁇ is the hydrogen atom, a straight-chain or branched alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 4 to 6 carbon atoms or one optionally by a fluorine, chlorine or bromine atom, by a methyl, trifluoromethyl, hydroxyl or methoxy group substituted phenyl group, and
• R 7 has the meanings given for R ⁇ with the exception of that of a phenyl group
• the diphenylmethyl group in which the phenyl groups can be substituted independently of one another by a fluorine, chlorine or bromine atom, a hydroxyl, methoxy or a methyl group,
• n the numbers 0 or 1
• R ⁇ is a branched or unbranched aliphatic alkylcarbonyl radical comprising 2 to 5 carbon atoms which can be substituted by an alkoxycarbonyl group having 1 to 4 carbon atoms in the alkoxy part,
• alkoxycarbonyl radical with 1 to 5 carbon atoms in the alkoxy part or a phenylalkoxycarbonyl radical with 1 to 3 carbon atoms in the alkoxy part
• the phenyl, pyridmyl or thiazolyl group each of which can be substituted by an alkyl group having 1 to 3 carbon atoms or a phenylalkyl group having 1 to 5 carbon atoms in the alkyl part,
• R 2 represents the hydrogen atom, also the methyl group
• R 2 represents the hydrogen atom or an alkyl group with 1 to 3 carbon atoms optionally substituted by a phenyl group
• R 3 represents the hydrogen atom or the methyl group
• Y is the oxygen atom or the -NR 4 group in which
• R 4 represents the hydrogen atom, the methyl or ethyl group
• V m the 4-position of the benzene ring is attached and the Wasser ⁇ atom, an alkyl group having 1 to 3 carbon atoms, eme hydroxy group, an alkoxy group having 1 to 3 carbon ⁇ atoms or the group - (CH 2)
• q -Y ⁇ -WY 2 means m the o the numbers 0 or 1
• W is the carbonyl group
• Y 1 is the single bond, the oxygen atom or the radical -NR5-, m the
• R represents the hydrogen atom or the methyl group
• Y 2 is the -NR 6 R 7 group in which
• R ° represents the hydrogen atom or an alkyl group with 1 to 3 carbon atoms
• R 7 represents the hydrogen atom
• the compounds of the general formula I and their precursors are prepared by methods which are known in principle, processes derived in particular from peptide chemistry (see, for example, Houben-Weyl, Methods of Organic Chemistry, Vol. 15/2).
• the m Houben-Weyl, Methods of Organic Chemistry, Vol. 15/1, described as ammo-protecting groups can be used, urethane protecting groups such as.
• the methods known from peptide chemistry are used for the actual coupling (see, for example, Houben-Weyl, Methods of Organic Chemistry, Vol. 15/2).
• DCC dicyclohexylcarbodiimide
• DIC diisopropylcarbodumide
• ethyl (3-dimethylammopropyl) carbodiimide 0- (1H-benzotriazol-1-yl) -N, N, N ', N'-tetra-methyluromum hexafluorophosphate ( HBTU) or tetrafluoroborate (TBTU) or lH-Benzotr ⁇ azol-1-yl-oxy-t ⁇ s- (dimethylamino) - phosphonium hexafluorophosphate (BOP).
• DCC dicyclohexylcarbodiimide
• DIC diisopropylcarbodumide
• ethyl (3-dimethylammopropyl) carbodiimide 0- (1H-benzotriazol-1-yl) -N, N, N ', N'-tetra-methylurom
• the racemization can, if desired, be additionally suppressed or the reaction mixture speed can be increased.
• the couplings are normally made with equimolar proportions of the coupling components and of the coupling reagent in solvents such as dichloromethane, tetrahydrofuran, acetonitrile, dimethylformamide (DMF), dimethyl acetamide (DMA), N-methylpyrrolidone (NMP) or mixtures of these and at temperatures between -30 and + 30 ° C, preferably -20 and + 20 ° C, carried out. If necessary, preference is given to N-ethyl-diisopropylamm (DIEA; Hunig base) as an additional auxiliary base.
• DIEA N-ethyl-diisopropylamm
• the mixed anhydride is obtained from the to be coupled, optionally N 2 -protected ⁇ -amino acid and the carbonic acid monoisobutyl ester.
• the production of this mixed anhydride and the coupling with amines is carried out using the Emtopf process, using the abovementioned Solvents and at temperatures between -20 and + 20 ° C, preferably 0 and + 20 ° C.
• halogen atoms such as chlorine, bromine or iodine, eme phenylmethanol or hetarylmethanol function or eme other benzyl heteroatom bond, in particular eme benzyl oxygen bond, so the nitro group can also be split off non-hydrogenolytically, e.g. B. with Zmk / 2N trifluoroacetic acid (see also: A. Turan, A. Patthy and S. Bajusz, Acta Chim. Acad. Sei. Hung., Tom. ⁇ _5 (3), 327-332 [1975]; CA.
• R, Rl, R ⁇ , U and n as mentioned at the outset defines smd and R 2 'has the meanings mentioned at the outset for R 2 or also means one of the protective groups mentioned above for protecting the side chain of Argmm,
• the coupling is carried out using the methods known from peptide chemistry and described above, in particular using DCC, DIC, HBTU, TBTU or BOP as reagents or according to the mixed anhydride method.
• the coupling step must be carried out with a partial solvent using triethylamine as the auxiliary base and dimethylformamide, dimethyl acetamide or N-methylpyrrolidone as the solvent - extensive or even quantitative racemization could also be expected.
• R and n are as defined in the introduction, U 1 is the single bond and Nu is a leaving group, for example the hydroxyl group, a halogen atom, such as the chlorine, bromine or iodine atom, an alkylsulfonyloxy group having 1 to 10 carbon atoms, optionally by chlorine or Bromine atoms, by methyl or nitro groups mono-, di- or tri-substituted phenylsulfonyloxy or naphthylsulfonyloxy group, where the substituents can be the same or different,
• R 1 , R 3 , Y, m and V as mentioned at the outset, defines smd and R 2 'has the meanings mentioned at the outset for R 2 or also means the protective groups mentioned above for the protection of the side chain of argm,
• Nu in the general formula IV denotes a halogen atom, an alkyl or arylsulfonyloxy group
• the reaction is carried out under Schotten-Baumann or Einhorn conditions, that is to say the components are mixed in the presence of at least one equivalent of an auxiliary base at temperatures between -50 ° C and + 120 ° C, preferably -10 ° C and + 30 ° C, and optionally reacted in the presence of solvents.
• Alkali and alkaline earth metal hydroxides for example sodium hydroxide, potassium hydroxide or barium hydroxide, alkali metal carbonates, eg.
• R, Rl, R 2 , R 3 , U and n are defined as mentioned above and
• R ⁇ represents an alkyl group with 1 to 4 carbon atoms
• the transesterification can be catalyzed acidic or alkaline (see also: J. March, "Advanced Organic Chemistry", John Wiley & Sons, Third Edition, 1985, pp. 351-352).
• alkaline catalysts the corresponding alkali metal alcoholates readily obtainable from the alcohols of the general formulas VII or R OH, eg. B. lithium, sodium or potassium alcoholates preferred; acidic catalysts in addition to anhydrous hydrogen chloride are, above all, sulfuric acid, p-toluene sulfonic acid, naphthalm-l- or -2-sulfonic acid or acid ion exchanger freshly loaded with hydrogen ions, e.g. B. Wofatit KPS zA.
• the equilibrium between the two esters in equilibrium is shifted in the desired direction by distilling off the more volatile alcohol R 8 OH m.
• R, Rl, R 3 , U and n are defined as mentioned at the beginning and R 2 'has the meanings mentioned at the beginning for R 2 or also means one of the protective groups mentioned above for protecting the side chain of Argmm,
• VIII m and V are as defined in the introduction and Nu 1 eme leaving group, for example a halogen atom, such as the chlorine, bromine or iodine atom, an alkylsulfonyloxy group having 1 to 10 carbon atoms, eme optionally by chlorine or bromine atoms, by methyl or nitro groups mono-, di- or t ⁇ substituted phenylsulfonyloxy or naphthylsulfonyloxy group means, where the substituents may be the same or different, and, if necessary, subsequent removal of protective groups by the methods described above.
• a halogen atom such as the chlorine, bromine or iodine atom
• an alkylsulfonyloxy group having 1 to 10 carbon atoms eme optionally by chlorine or bromine atoms, by methyl or nitro groups mono-, di- or t ⁇ substituted phenylsulfonyloxy or naph
• the reaction is carried out in a suitable solvent, preferably in the presence of dipolar aprotic solvents such as dimethyl sulfoxide, hexamethylphosphorodauretriamide, 1,3-dimethyl-2-imidazolidone, dimethylacetamide, dimethylformamide or N-methyl-2-pyrrolidone at temperatures between - 10 ° C and + 50 ° C, preferably however at room temperature.
• dipolar aprotic solvents such as dimethyl sulfoxide, hexamethylphosphorodauretriamide, 1,3-dimethyl-2-imidazolidone, dimethylacetamide, dimethylformamide or N-methyl-2-pyrrolidone
• the alkali metal salts of the carboxylic acids of the general formula II are preferably in situ by the action of alkali metal carbonates, e.g. As potassium or cesium carbonate, of alkali hydroxides, e.g. B. sodium hydroxide, or of alkali hydrides, e.g
• R, R 3 , U, V, Y, m and n are as defined at the outset,
• Rl and R 2 are as defined in the introduction and Nu 2 is a leaving group, for example an alkoxy, alkylthio, alkylsulfinyl or alkylsulfonyl group each having 1 to 10 carbon atoms in the alkyl part, for example the methoxy, ethoxy, methylthio , Ethylthio, methylsulfinyl, ethylsulfinyl, propylsulfinyl, isopropylsulfmyl, methylsulfonyl or ethylsulfonyl group, the chlorine atom, the S0 2 H, SO3H or OPOCl 2 group, or the rest of the general formula XI,
• R ⁇ and R-L0 which may be the same or different, represent hydrogen atoms or alkyl radicals having 1 to 3 carbon atoms.
• Nu 2 eme alkoxy group instead of the compounds of general formula X their mineral acid salts, for. B. their neutral sulfates or their hydrochlorides.
• auxiliary bases for example alkali metal carbonates such as sodium or potassium carbonate, or tertiary amines, preferably N-ethyl-dnsopropylamm or Triethylamine.
• R, R ⁇ , R 3 , U, V, Y, n and m are as defined in the introduction, Ri ⁇ emen alkyl radical with 1 to 4 carbon atoms or the phenyl group, Y 3 the oxygen or sulfur atom and
• Anein ein ⁇ valuable anion for example em chloride, bromide, iodide, methyl sulfate, methanesulfonate or toluenesulfonate anion and 1/2 S0_ ⁇ 2 ⁇ mean, or the corresponding free isoureas or isothioureas
• the reaction takes place at temperatures between 0 and 110 ° C, preferably between +15 and + 60 ° C, and optionally in a suitable lots of means, for example in water, Dimethylform ⁇ amide, dimethylacetamide, dimethyl sulfoxide, N-methylpyrrolidone, Tetrahydrofuran, dioxane, an alcohol such as methanol or ethanol or in a mixture thereof, the compounds of the general formula I being obtained directly as salts with the acid HAN.
• R 2 has the meanings mentioned at the outset for R 2 or also means one of the protective groups mentioned above for protecting the side chain of Argmm,
• R and n as defined at the outset, smd and U 2 are the oxygen atom or the —NH group, and, if necessary, subsequent cleavage of protective groups by the processes described above.
• the reaction is carried out at temperatures between 0.degree. C. and 150.degree. C., preferably between 20.degree. C. and 100.degree. C., and optionally in the presence of anhydrous solvents, for example tetrahydrofuran, 1,4-dioxane, dimethylformamide, dimethylacetamide, N-methyl -2- pyrrolidone or 1, 3-dimethyl-2-imazolide or mixtures thereof.
• anhydrous solvents for example tetrahydrofuran, 1,4-dioxane, dimethylformamide, dimethylacetamide, N-methyl -2- pyrrolidone or 1, 3-dimethyl-2-imazolide or mixtures thereof.
• R and n are as defined at the beginning
• Rl, R 3 , Y, m and V are defined as mentioned at the outset and R 2 'has the meanings mentioned at the outset for R 2 or also means one of the protective groups mentioned above for protecting the side chain of Argmm, and, if necessary, subsequently Degrading cleavage of protective groups according to the methods described above.
• the reaction is carried out at temperatures between 0 and 150 ° C., preferably at temperatures between 20 and 100 ° C., optionally in the presence of anhydrous solvents, for example tetrahydrofuran, 1,4-dioxane, dimethylformamide, dimethylacetamide, N- Methyl 2-pyrrole ⁇ or 1, 3-dimethyl-2- ⁇ m ⁇ dazol ⁇ dmon performed.
• anhydrous solvents for example tetrahydrofuran, 1,4-dioxane, dimethylformamide, dimethylacetamide, N- Methyl 2-pyrrole ⁇ or 1, 3-dimethyl-2- ⁇ m ⁇ d
• Y 1 is the oxygen atom or the radical -NR -, m the
• R- 1 represents the hydrogen atom or a straight-chain or branched alkyl group having 1 to 6 carbon atoms
• Y 2 eme a straight-chain or branched alkyl group with 1 to 10 carbon atoms, optionally substituted by a hydroxy, alkoxycarbonyl or ammocarbonyl group, a cycloalkyl group with 4 to 10 carbon atoms, a straight-chain or branched alkoxy group with 1 to 5 carbon atoms, eme Ammoalkyl, alkylammoalkyl, dialkylammoalkyl, phenylmethoxy or 2-phenylethoxy group, eme in the phenyl part optionally by fluorine, chlorine or bromine atoms, by methyl, trifluoromethyl, cyano, ammo, hydroxy, methoxy -, Acetyl, acetylammo, aminocarbonyl, methylammocarbonyl or dimethylaminocarbonyl groups mono-, di- or tri-substituted phenyl or phenylalkyl group with 1 to
• R ⁇ is the hydrogen atom, a straight-chain or branched alkyl group with 1 to 6 carbon atoms optionally substituted by a hydroxy, carboxy, alkoxycarbonyl or dialkylamino group, with the proviso that the hydroxy group is not bonded in 1-position of the alkyl group, a cycloalkyl group with 4 to 8 carbon atoms or one in the phenyl part optionally by fluorine, chlorine or bromine atoms, by methyl, trifluoromethyl, hydroxyl, methoxy, amino, Acetylammo, aminocarbonyl, methylammocarbonyl, dimethylaminocarbonyl or cyano groups mono-, di- or trisubstituted phenyl, phenylmethyl, 2-phenylethyl or 3-phenylpropyl group, the substituents being identical or different, represents an alkanoyl, benzoyl, phenylalkanoyl, alkoxycarbonyl
• R 7 has the meanings given for R ⁇ with the exception of that of a phenyl, alkanoyl, benzoyl, phenylalkanoyl, alkoxycarbonyl and ammocarbonyl group:
• R 2 has the meanings mentioned at the outset for R 2 or else means one of the protective groups mentioned above for protecting the side chain of arginine and Y 1 'represents the oxygen atom or the radical -NR ⁇ -, in which R 5 represents the hydrogen atom or a straight-chain or branched alkyl group having 1 to 6 carbon atoms,
• the modification to the (Y 1 -H) function can, depending on the reagent used, either without solvent or in a suitable solvent, for example in water, alcohols such as methanol, ethanol or propanol, m N-methylpyrrolidone, Di ⁇ methylformamide or dimethylacetamide or mixtures thereof, optionally in the presence of mineral acids, for example hydrochloric acid or sulfuric acid, of organic or inorganic bases, for example triethylamine, Hunig base or sodium carbonate, and if appropriate with subsequent treatment with ammonia, with mineral acids such as hydrochloric acid or sulfuric acid or with organic acids such as trifluoroacetic acid at temperatures between 0 and 150 ° C., preferably between 20 and 100 ° C.
• a suitable solvent for example in water, alcohols such as methanol, ethanol or propanol, m N-methylpyrrolidone, Di ⁇ methylformamide or dimethylacetamide or mixtures thereof, optionally in the presence of mineral acids,
• V represents the group - (CH 2 ) Q -NR ⁇ -CO-N (CH3) 2, where o is defined as mentioned at the beginning and R ⁇ is the hydrogen atom or straight chain represents ge or branched alkyl group having 1 to 6 carbon atoms,
• Rl is a branched or unbranched aliphatic alkylcarbonyl radical comprising 2 to 5 carbon atoms, which may be substituted in the alkyl part by an alkoxycarbonyl or phenylalkoxycarbonyl group, by a phenyl group or by a 5- or 6-membered heteroaromatic ring linked via a carbon atom , or a benzoyl radical, in which the phenyl part can also be replaced by a 5- or 6-membered heteroaromatic ring linked via a carbon atom, the abovementioned 5-membered heteroaromatic rings having a nitrogen, oxygen or sulfur atom or contain nitrogen and an additional oxygen, sulfur or further nitrogen atom and can also be substituted on a nitrogen atom by an alkyl group, the 6-membered heteroaromatic rings Contain 1, 2 or 3 nitrogen atoms and the above-mentioned phenyl groups and all heteroaromatic rings in the carbon structure additionally by fluorine, chlorine or bro
• R1 ' is a branched or unbranched aliphatic alkyl radical comprising 1 to 4 carbon atoms, which can be substituted by an alkoxycarbonyl or phenylalkoxycarbonyl group, by a phenyl group or by a 5- or 6-membered heteroaromatic ring linked via a carbon atom , a phenyl radical or a 5- or 6-membered heteroaromatic ring linked via a carbon atom, the abovementioned 5-membered heteroaromatic table rings contain a nitrogen, em oxygen or sulfur atom or a nitrogen and em additional oxygen, sulfur or further nitrogen atom and can also be substituted on a nitrogen atom by an alkyl group, the 6-membered heteroaromatic rings 1, 2 or contain 3 nitrogen atoms and the above-mentioned phenyl groups and all heteroaromatic rings in the carbon skeleton additionally by fluorine, chlorine or bromine atoms, by alkyl groups, cycl
• a leaving group for example the hydroxyl group, a halogen atom, such as the chlorine, bromine or iodine atom, an alkylsulfonyloxy group having 1 to 10 carbon atoms, one optionally substituted by chlorine or bromine atoms, by methyl or nitro groups by mono-, di- or t ⁇ -substituted groups
• Phenylsulfonyloxy or naphthylsulfonyloxy group means, where the substituents can be the same or different.
• the reaction is preferably carried out in aprotic solvents, for example in tetrahydrofuran, dioxane, acetonitrile, dimethylformamide, dimethylacetamide, hexamethylphosphoric acid triamide, sulfolane, 1,3-dimethyl-2-dimethylazole, 1,3-dimethyl-3, 4-dimethyl-3, 5, 6-tetrahydro-2 (IH) -pyrimidinone or mixtures thereof, in the presence of tertiary amines, for example pyridine, 2, 4, 6-trimethylpyrimide, chromium, triethylamine, N-ethyl-disopropylamm, N- Ethyl-dicyclohexylamm, 1, 4-D ⁇ azab ⁇ cyclo- [2,2,2] octane or 1, 8-D ⁇ azab ⁇ cyclo [5, 4, 0] undec-7-en, and at temperatures between -20 ° C and +60 ° C.
• R 1 is the ammocarbonyl group, which on the nitrogen atom is alkyl, phenylalkyl, (1-naphthyl) alkyl, (2-naphthyl) alkyl, alkoxycarbonylalkyl, phenylalkoxycarbonylalkyl, phenoxycarbonylalkyl, diphenylalkyl, phenyl, Cycloalkyl or cycloalkylalkyl groups, each having 3 to 8 carbon atoms in the Rmg, can be mono- or disubstituted, where the substituents can be the same or different, and the phenyl radicals mentioned above can themselves be fluorine, chlorine or bromine atoms, methyl, Methoxy, alkoxycarbonylmethoxy, hydroxy or trifluoromethyl groups can be mono- or disubstituted independently of one another, means:
• Atoms in the cycloalkane can be mono- or disubstituted, the substituents being the same or different and the phenyl radicals mentioned above in turn being fluorine, chlorine or bromine atoms, methyl, methoxy, alkoxycarbonylmethoxy, hydroxyl or trifluoromethyl groups ⁇ can mon or disubstituted sem depending on each other means
• Nu eme leaving group for example the hydroxy group, a halogen atom, such as the chlorine, bromine or iodine atom, an alkylsulfonyloxy group having 1 to 10 carbon atoms, eme optionally substituted by chlorine or bromine atoms, by methyl or nitro groups mono-, di- or t ⁇ -substituted Phenylsulfonyloxy or naphthylsulfonyloxy group means, where the substituents can be the same or different.
• a halogen atom such as the chlorine, bromine or iodine atom
• an alkylsulfonyloxy group having 1 to 10 carbon atoms eme optionally substituted by chlorine or bromine atoms, by methyl or nitro groups mono-, di- or t ⁇ -substituted
• Phenylsulfonyloxy or naphthylsulfonyloxy group means, where the substituents can
• the reaction is preferably carried out in aprotic solvents, for example in tetrahydrofuran, dioxane, acetonitrile, dimethylformamide, dimethylacetamide, hexamethylphosphoric acid-t ⁇ amid, sulfolane, 1,3-dimethyl-2-dimethylazolide, 1,3-di-4-dimethyl 5, 6-tetrahydro-2 (IH) -pyrimidinone or mixtures thereof, in the presence of tertiary amines, for example pyridine, 2, 4, 6-trimethylpyridium, chmoline, triethylamine, N-ethyl-dusopropylamm, N- Ethyl-dicyclohexylamm, 1, 4-D ⁇ azab ⁇ cyclo [2, 2, 2] - octane or 1, 8-D ⁇ azab ⁇ cyclo [5, 4, 0] undec-7-enes, and at temperatures between -20 ° C and +60 ° C, very
• Any acylatable functions present in group V are also reacted in this reaction. Any reaction products diacylated in the guanidmo function of the side chain, which may have formed as by-products, can generally be easily separated off using conventional chromatographic methods.
• a halogen atom such as the chlorine, bromine or iodine atom
• the reaction is preferably carried out in aprotic solvents, for example in tetrahydrofuran, dioxane, acetonitrile, dimethylformamide, dimethylacetamide, hexamethylphosphoric acid triamide, sulfolane, 1,3-dimethyl-2-dimethylazole, 1,3-dimethyl-3, 5-dimethyl-3 6-tetrahydro-2 (IH) pyrimidinone or mixtures thereof, in the presence of tertiary amines, for example pyridine, 2, 4, 6-methyl methyridine, chromium, triethylamine, N-ethyl-disopropylamm, N-ethyl dicyclohexylamm, 1, 4-D ⁇ azab ⁇ cyclo- [2,2,2] octane or 1, 8-D ⁇ azab ⁇ cyclo [5, 4, 0] undec-7-en, and at temperatures between -20 ° C and +60 ° C, whole particularly preferably carried out
• R, R 2 , R 3 , U, V, Y, m and n as defined at the outset, smd and R ⁇ 2 and R ⁇ 3 independently of one another are the hydrogen atom, an alkyl group having 1 to 5 carbon atoms, a cycloalkyl group having 3 mean up to 8 carbon atoms or a phenylalkyl group with 1 to 5 carbon atoms in the alkyl part, where these radicals can be the same or different:
• R ⁇ - 2 and R 13 independently of one another the hydrogen atom, an alkyl group with 1 to 5 carbon atoms, a cycloalkyl group with 3 to 8 carbon atoms or a phenylalkyl group with 1 to 5 carbon atoms in the alkyl part, these radicals being identical or different sem, and Ha em halogen atom, for example em chlorine, bromine or iodine atom, under the conditions of a thiazole synthesis according to Hantzsch.
• Ha em halogen atom for example em chlorine, bromine or iodine atom
• the conversion of the ammothiocarbonyl compounds of the general formula XXIII to the thiazoles of the general formula XXII is preferably carried out in boiling acetone and initially gives the hydrohalic salts of the thiazoles of the general formula XXII, which only occur in the course of the working up, in particular in the case of column or flash chromatography phie m the presence of ammomacous eluents, m the free bases.
• the reaction can also be carried out in the presence of weak inorganic bases, in particular sodium bicarbonate, and then gives directly the free bases of the general formula XXII.
• R and n are as defined at the beginning
• Rl, R 3 , V, Y and m are as defined above and R 2 ′′ has the meanings mentioned at the beginning for R 2 or else one of those mentioned above for the protection of the side chain of argm and means protective groups orthogonal to carbamates , and, if necessary, subsequent splitting off of protective groups according to the methods described above.
• the reaction is carried out at temperatures between 0 and 150 ° C, vorzugt at temperatures between 20 and 100 ° C, and given ⁇ if ran in the presence of anhydrous wireless means, for example Tetrahydrofu ⁇ , 1,4-D ⁇ oxan, dimethylformamide, dimethylacetamide, N- Methyl 2-pyrrole ⁇ or 1, 3-dimethyl-2 ⁇ m ⁇ dazol ⁇ dmon or mixtures thereof, and in the presence of auxiliary bases.
• auxiliary bases come alkali carbonates, e.g. B.
• alkali metal acetates for example sodium or potassium acetate, but preferably tertiary nurses, for example pyridine, 2, 4, 6-tr ⁇ methylpyr ⁇ dm, Chmolm, triethylamine, N-ethyl-dusopropylamm, N-ethyl-dicyclo-hexylamm, 1, 4-D ⁇ azab ⁇ cyclo [2, 2, 2] octane or 1,8-D ⁇ azab ⁇ - cyclo [5, 4, 0] undec-7-enes.
• pyridine 2, 4, 6-tr ⁇ methylpyr ⁇ dm
• Chmolm triethylamine
• N-ethyl-dusopropylamm N-ethyl-dicyclo-hexylamm
• 1, 4-D ⁇ azab ⁇ cyclo [2, 2, 2] octane or 1,8-D ⁇ azab ⁇ - cyclo [5, 4, 0] undec-7-enes 1, 4-D ⁇ azab ⁇ cyclo [2, 2, 2]
• ammosaur derivatives of general formula I according to the invention contain at least one chiral center.
• the radical R is prochiral or chiral, then the compounds can occur in the form of two diastereomeric pairs of antipodes.
• the invention includes the individual isomers as well as their mixtures.
• the respective diastereomers can be separated due to the different physico-chemical properties, e.g. by fractional crystallization from suitable solvents, by high pressure liquid or column chromatography using chiral or preferably achiral stationary phases.
• race mats falling under the general formula I is achieved, for example, by HPLC on suitable chiral stationary phases (eg Chiral AGP, Chiralpak AD). Racemates which contain a basic function can also be separated via the diastereomeric, optically active salts which, when reacted with an optically active acid, for example (+) - or (-) -tartaric acid, (+) - or (- ) -Diacetyltartaric acid, (+) - or (-) -monomethyltartrate or (+) -camphorsulfonic acid arise.
• an optically active acid for example (+) - or (-) -tartaric acid, (+) - or (- ) -Diacetyltartaric acid, (+) - or (-) -monomethyltartrate or (+) -camphorsulfonic acid arise.
• the racemate of a compound of general formula I is reacted with one of the optically active acids given above in a molar amount in a solvent and the resulting crystalline, diastereomeric, optically active salts are separated using their various solubilities .
• This reaction can be carried out in any type of solvent as long as it has a sufficient difference in the solubility of the salts.
• methanol, ethanol or mixtures thereof, for example in a volume ratio of 50:50 are used.
• Each of the optically active salts is then dissolved in water, neutralized with a base, such as sodium carbonate or potassium carbonate, sodium hydroxide solution or potassium hydroxide solution, and the corresponding free compound is obtained in the (+) or (-) form.
• Isocyanates of the general formula XIV can easily be obtained from ⁇ -ammosa derivatives of the general formula V or from their hydrochlorides by reaction with phosgene, diphosgene or triphosgene in the presence of pyridm (see also: JS Nowick, NA Powell, TM Nguyen and G. Noronha, J. Org. Chem. 57, 7364-7366 [1992]).
• the starting compounds of the general formula V are accessible from amino acids protected in a suitable manner on the ⁇ -amino group in accordance with the above statements and compounds of the general formula III analogously to method a).
• Starting compounds required uronium salts falling under the general formula XII are most easily obtained by adding alcohols R 1] -OH to the corresponding cyanamides, for example using potassium cyanide (see also: A. Donetti et al., Tetrah. Lett. 1969, 3327-3328; A. Donetti et al., J. Org. Chem. 3_7, 3352-3353 (1972); M. Okahara et al., Tetrah. Lett.
• the starting compounds of the general formula XVII can be produced in a simple manner from precursors which, instead of the term group - (CH 2 ) 0 - ⁇ l-H of the general formula XVII, have a protective group Pg, for example tert-butoxycarbonyl or phenylmethoxycarbonyl, which can be split off easily, labeled end group - (CH 2 ) 0 -Y ⁇ -Pg or precursor groups, for example - (CH 2 ) 0 _ ⁇ -C ⁇ N or - (CH 2 ) o N0 2 .
• a protective group Pg for example tert-butoxycarbonyl or phenylmethoxycarbonyl
• the compounds of general formula I obtained can be converted, especially for pharmaceutical applications, into their physiologically acceptable salts with inorganic or organic acids.
• the acids for this are, for example, hydrochloric acid, hydrobromic acid, phosphoric acid, nitric acid, sulfuric acid, methanesulfonic acid, p-toluenesulfonic acid.
• fonic acid acetic acid, fumaric acid, succinic acid, lactic acid, almond acid, malic acid, citric acid, tartaric acid or maleic acid.
• the new compounds of formula I thus obtained if they contain a carboxy group, can, if desired, subsequently be converted into their addition salts with inorganic or organic bases, in particular for their pharmaceutical use into their physiologically acceptable addition salts.
• the bases used here are, for example, sodium hydroxide, potassium hydroxide, ammonia, cyclohexylamine, dicyclohexylamm, ethanolamm, diathanolamm and triethanolamine.
• the new compounds of general formula I and their physiologically acceptable salts have NPY-antagomstic properties and show good affinities in NPY receptor formation studies. In the pharmacological test systems described below, the compounds have NPY-antagomstic properties both in vivo and in vitro.
• the cells are detached by a mixture of 0.02% EDTA in PBS and in 10 ml of incubation medium (MEM / 25 mM Hepes + 0.5% BSA, 50 mM PMSF, 0.1% Bacitracm, 3.75 mM CaCl 2 ) resuspended per approx. 40 million cells. After 5 mm centrifuge (150 xg) the pellet is resuspended in the same volume and after a further washing step in 10 ml of incubation medium, disbursed and diluted to 1.25 million cells / ml.
• MEM incubation medium
• the proportion of non-specific binding is defined as that radioactivity which is bound in the presence of 1 mM NPY.
• the IC5Q values of the unlabelled test substances are determined graphically. They represent the concentration of the respective test substance at which the specific binding of [ ⁇ 25 I] -Bolton-Hunter-NPY to the NPY-Y ⁇ receptor is inhibited by 50%.
• the compounds of the general formula I show IC 50 values ⁇ 7,000 nM.
• Glucose 6.5 mmol / 1 Due to the temperature-controlled at 37 ° C solution eme mixture of 95 b 0 2/5 i C0 2 is passed.
• the perfusion pressure is continuously measured using a pressure transducer. After a 60 minute stabilization period, the perfusion rate is set so that a perfusion pressure of approximately 100 mm Hg is reached. After a further 30 minutes, the experiment is started and NPY (ImM) is administered as a bolus (0.1 ml) at 15 mm intervals until the observed increase in pressure reaches a constant value.
• the compounds to be examined are administered as a continuous infusion over a period of 5 minutes and then injected with NPY.
• Concentration-activity curves can be created by plotting the percentage inhibition of NPY activity against the logarithm of the concentration (mol / 1) of the compound.
• the compounds of general formula I show in the be ⁇ signed m-vitro test model NPY antagomstician Eigen ⁇ properties m a dose range between 10 ⁇ ° to 10 ⁇ M.
• mice Male normotensive rats (Chbb: THOM, 300 to 350 g) are anesthetized with hexobarbital sodium (150 mg / kg, ip). After intubation of the trachea, the animals are despmalized by inserting a blunt needle through the eye into the spinal cord canal. The animals are ventilated air using a respiratory pump (20 Pumphube / Mmute) with oxygen-rich space ⁇ . A cannula is inserted into the left carotid artery and arterial blood pressure is measured via a pressure measuring device
• NPY neuropeptide
• the antagonistic effectiveness of the test substances is determined by plotting the percentage inhibition of the NPY-induced blood pressure effects against the logarithm of the active ingredient concentration.
• the compounds of the general formula I show in the described in vivo test model after intravenous administration in the dose range of 0.001 to 10 mg / kg NPY antagonistic properties.
• the compounds of the general formula I and their physiologically tolerable salts are therefore suitable for the treatment of cardiovascular diseases, for example for the treatment of arterial hypertension, the hypertensive crisis, for example due to the surrounding environment, by physical Effort or cold stimuli triggered by stress-induced high blood pressure, chronic heart failure, coronary heart diseases such as angina pectoris, myocardial infarction and syndrome X, furthermore for the treatment of subarachnoid bleeding, vascular-hypertrophic changes, for example restenosis after coronary angioplasty (PCTA) cerebral and coronary vasospasm, e.g. B.
• cardiovascular diseases for example for the treatment of arterial hypertension, the hypertensive crisis, for example due to the surrounding environment, by physical Effort or cold stimuli triggered by stress-induced high blood pressure, chronic heart failure, coronary heart diseases such as angina pectoris, myocardial infarction and syndrome X, furthermore for the treatment of subarachnoid bleeding, vascular-hypertrophic changes,
• tumor diseases for example of pheochromocytomas, neur (fibro) blastomas, ganglioneuromas, ganglioneu - roblastomas, rhabdomyosarcomas, malignant ectomesis chymomas, anaplastic astrocytomas or hemangioblastomas.
• the dosage required to achieve a corresponding effect is expediently 0.01 to 3 mg / kg body weight when administered intravenously, preferably 0.1 to 1 mg / kg body weight, and 0.1 to 10 mg / kg body weight when administered orally important, preferably 1 to 10 mg / kg body weight, each 1 to 3 times a day.
• the compounds of general formula I prepared according to the invention optionally in combination with other active substances, such as e.g. Antihypertensives, ACE inhibitors, diuretics and / or calcium antagonists, together with one or more inert common carriers and / or diluents, e.g.
• active substances such as e.g. Antihypertensives, ACE inhibitors, diuretics and / or calcium antagonists, together with one or more inert common carriers and / or diluents, e.g.
• the dose for these active substances is expediently 1/5 of the usually recommended lowest dosage up to 1/1 of the normally recommended dosage, that is to say, for example, 15 to 200 mg of hydrochlorothiazide, 125 to 2000 mg of chlorothiazide, 15 to 200 mg Ethacramic acid, 5 to 80 mg furosemide, 20 to 480 mg Propranolol, 5 to 60 mg felodipm, 5 to 60 mg nifedipm or 5 to 60 mg nitrendipine.
• Em further object of the invention is the use of the compounds of general formula I as valuable auxiliaries means for generating and cleaning ( ⁇ ffmitatschromatographie) of antibodies as well as, tion after suitable radioactive Markie ⁇ , for example by direct labeling with 125j oc ⁇ er 1 31 I or by trituration of suitable precursors, for example by replacing halogen atoms with tritium, in RIA and ELISA assays and as diagnostic or analytical aids in neutrotransmitter research.

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