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  • 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
  • C07D277/46—Acylated amino or imino radicals by carboxylic acids, or sulfur or nitrogen analogues thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
  • A61K31/19—Carboxylic acids, e.g. valproic acid
  • A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P35/00—Antineoplastic agents
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P7/00—Drugs for disorders of the blood or the extracellular fluid
  • A61P7/02—Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P9/00—Drugs for disorders of the cardiovascular system
  • A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P9/00—Drugs for disorders of the cardiovascular system
  • A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
  • C07C311/01—Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms
  • C07C311/02—Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
  • C07C311/03—Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton having the nitrogen atoms of the sulfonamide groups bound to hydrogen atoms or to acyclic carbon atoms
  • C07C311/06—Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton having the nitrogen atoms of the sulfonamide groups bound to hydrogen atoms or to acyclic carbon atoms to acyclic carbon atoms of hydrocarbon radicals substituted by carboxyl groups
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
  • C07C311/14—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of rings other than six-membered aromatic rings
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
  • C07C311/15—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings
  • C07C311/16—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the sulfonamide groups bound to hydrogen atoms or to an acyclic carbon atom
  • C07C311/19—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the sulfonamide groups bound to hydrogen atoms or to an acyclic carbon atom to an acyclic carbon atom of a hydrocarbon radical substituted by carboxyl groups
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
  • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
  • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
  • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole 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
  • C07D231/38—Nitrogen atoms
  • C07D231/40—Acylated on said nitrogen atom
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  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
  • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
  • C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two 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
  • C07D233/88—Nitrogen atoms, e.g. allantoin
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  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
  • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
  • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
  • C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles 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 in position 2
  • C07D235/30—Nitrogen atoms not forming part of a nitro radical
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
  • C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
  • C07D257/04—Five-membered rings

Definitions

• the invention relates to compounds of the formula
• X is absent, alkylene, arylene, cycloalkylene with 4-8 C atoms or unsubstituted or mono-, di- or trisubstituted by A, oxo and / or R 4 heterocycloalkylene with 1 to 3 N-, O- and / or S- Atoms,
• RH shark, OA, NHA, NAA, -NH-acyl, -O-acyl, CN, N0 2 , SA, SOA, S0 2 A, S0 2 Ar or S0 3 H,
• alkanoyl or cycloalkanoyl with 1-18 C atoms in which one, two or three methylene groups can be replaced by N, O and / or S, Ar-CO- or Ar-alkylene-CO-,
• Methylene groups can be replaced by N, O and / or S,
• R 4 substituted mono- or dinuclear aromatic ring system with 0, 1, 2, 3 or 4 N, O and / or S atoms,
• the object of the invention was to find new compounds with valuable properties, in particular those which can be used for the production of medicaments.
• the compounds of the formula I and their salts have very valuable pharmacological properties with good tolerability. Above all, they act as integrin inhibitors, in particular inhibiting the interactions of the ov integrin receptors with ligands. Show particular activity, the compounds in the case of the integrins ⁇ v ß 3 and ß ⁇ . 5
• the compounds are particularly effective as adhesion receptor antagonists for the vitronectin receptor ⁇ v ⁇ 3 . This effect can be demonstrated, for example, by the method described by JW Smith et al. in J. Biol. Chem. 2ß5, 11008-11013 and 12267-
• the compounds of the formula I according to the invention can therefore be used as active pharmaceutical ingredients, in particular for the treatment of tumor diseases, osteoporoses, osteolytic diseases and for suppressing angiogenesis.
• micro-aggregates microthrombi
• the spread of tumor cells from a local tumor into the vascular system occurs through the formation of micro-aggregates (microthrombi) through the interaction of the tumor cells with platelets.
• the tumor cells are shielded by the protection in the micro-aggregate and are not recognized by the cells of the immune system.
• the micro-aggregates can attach themselves to the vessel walls, which facilitates further penetration of tumor cells into the tissue. Since the formation of the microthrombi is mediated by fibrinogen binding to the fibrinogen receptors on activated platelets, the GPIIa / IIIb antagonists can be regarded as effective metastasis inhibitors.
• compounds of the formula I In addition to the binding of fibrinogen, fibronectin and the Willebrand factor to the fibrinogen receptor of the platelets, compounds of the formula I also inhibit the binding of further adhesive proteins, such as vitonectin, collagen and laminin, to the corresponding receptors on the surface of various cell types. In particular, they prevent the formation of platelet thrombi and can therefore be used to treat thrombosis, apoplexy, heart attack, inflammation and arteriosclerosis.
• further adhesive proteins such as vitonectin, collagen and laminin
• the properties of the compounds can also be demonstrated by methods which are described in EP-A1-0462 960.
• the inhibition of fibrinogen binding to the fibrinogen receptor can be demonstrated by the method specified in EP-A1-0 381 033.
• the experimental evidence that the compounds according to the invention also cause the inhibition of fibrinogen binding to the corresponding receptors has been provided for some representative compounds of the formula I.
• the pharmacological test data are summarized in Table III.
• the antiplatelet effect can be demonstrated in vitro by the method of Born (Nature 4832, 927-929, 1962).
• the invention accordingly relates to compounds of the formula I according to claim 1 and / or their physiologically acceptable salts for the preparation of a medicament for use as integrin inhibitors.
• the invention relates in particular to compounds of the formula I according to claim 1 and / or their harmless salts, in which R 2 is camphor-10-yl, for the preparation of a medicament for
• the compounds of formula I can be used as active pharmaceutical ingredients in human and veterinary medicine, for the prophylaxis and / or therapy of thrombosis, myocardial infarction, arteriosclerosis, inflammation, apoplexy, angina pectoris, tumor diseases, osteolytic diseases such as osteoporosis, pathologically angiogenic diseases such as, for . B.
• inflammation ophthalmic diseases, diabetic retinopathy, macular degeneration, myopia, ocular histoplasmosis, rheumatoid arthritis, osteoarthritis, rubeotic glaucoma, ulcerative colitis, Crohn's disease, atherosclerosis, psoriasis, restenosis after angioplasty, infection, viral infection, viral infection in acute kidney failure and in wound healing to support the healing processes.
• the compounds of formula I can be used as antimicrobial substances in operations where biomaterials, implants, catheters or pacemakers are used. They have an antiseptic effect.
• the antimicrobial activity can be Weigund et al., Methods described in Infection and Immunity, 2851-2855 (1988).
• the invention furthermore relates to a process for the preparation of compounds of the formula I according to claim 1 and their salts, characterized in that
• R 1 , R 3 , R 4 , X, Y and Z are those specified in claim 1
• R 2 has the meaning given in Claim 1 and L denotes Cl, Br, I, OH or a reactive esterified OH group,
• the compounds of formula I have at least one chiral center and can therefore occur in several stereoisomeric forms. All of these forms (e.g. D and L forms) and their mixtures (e.g. the DL forms) are included in Formula I. So-called prodrug derivatives are also included in the compounds according to the invention, i. H. with z. B. alkyl or acyl groups, sugars or oligopeptides modified compounds of formula I, which are quickly cleaved in the organism to the active compounds of the invention.
• Trt trityl (triphenylmethyl).
• alkyl preferably represents methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl or tert-butyl, and also also also also
• Pentyl 1-, 2- or 3-methylbutyl, 1, 1-, 1, 2- or 2,2-dimethylpropyl, 1-ethylpropyl, hexyl, 1-, 2-, 3- or 4-methylpentyl, 1, 1 -, 1, 2-, 1, 3-, 2,2-, 2,3- or 3,3-dimethylbutyl, 1- or 2-ethylbutyl, 1-ethyl-1-methylpropyl, 1-ethyl-2-methylpropyl , 1, 1, 2-, 1, 2,2-trimethylpropyl, heptyl, octyl, nonyl or decyl.
• Cycloalkyl preferably means cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl or 3-menthyl. Cycloalkyl means in particular the residue of a bicyclic terpene, the camphor-10-yl residue is very particularly preferred.
• Alkylene preferably means methylene, ethylene, propylene, butylene, pentylene, and also hexylene, heptylene, octylene, nonylene or decylene.
• Aralkylene preferably means alkylenephenyl and is, for example, preferably benzyl or phenethyl.
• Cycloalkylene preferably denotes cyclopropylene, 1, 2- or 1, 3-cyclobutylene, 1, 2- or 1, 3-cyclopentylene, 1, 2-, 1, 3- or 1, 4-cyclohexylene, furthermore 1, 2- , 1, 3- or 1, 4-cycloheptylene.
• Alkanoyl preferably means formyl, acetyl, propionyl, butyryl,
• Pentanoyl Hexanoyl, Heptanoyl, Octanoyl, Nonanoyl, Decanoyl, Undecanoyl, Dodecanoyl, Tridecanoyl, Tetradecanoyl, Pentadecanoyl, Hexadecanoyl, Heptadecanoyl or Octadecanoyl.
• Acyl preferably means e.g. Formyl, acetyl, propionyl, butyryl, trifluoroacetyl or benzoyl.
• Preferred substituents for alkyl, alkylene, cycloalkyl, cycloalkylene, alkanoyl and cycloalkanoyl are, for example, shark, OA, NHA, NAA, CN, N0 2 , SA, SOA, S0 2 A, S0 2 Ar and / or S0 3 H, in particular, for example , Cl, hydroxy, methoxy, ethoxy, amino, dimethylamino, methylthio, methylsulfinyl, methylsulfonyl or phenylsulfonyl.
• Preferred substituents for Ar and arylene are, for example, A and / or shark, OA, NHA, NAA ', CN, N0 2 , SA, SOA, S0 2 A, S0 2 Ar and / or S0 3 H, in particular, for example, F, Cl, Hydroxy, methoxy, ethoxy, amino, dimethylamino, methylthio, methylsulfinyl, methylsulfonyl or phenylsulfonyl.
• alkyl, alkylene, cycloalkyl, cycloalkylene, alkanoyl and cycloalkanoyl radicals one, two or three methylene groups can each be replaced by N, O and / or S.
• Ar-CO is aroyl and preferably means benzoyl or naphthoyl.
• Ar is unsubstituted, preferably - as indicated - monosubstituted phenyl, in particular preferably phenyl, o-, m- or p-tolyl, o-, m- or p-ethylphenyl, o-, m- or p-propylphenyl, o-, m- or p-isopropylphenyl, o-, m- or p-tert-butylphenyl, o-, m- or p-cyanophenyl, o-, m- or p-methoxyphenyl, o-, m- or p-ethoxyphenyl , o-, m- or p-fluorophenyl, o-, m- or p-bromophenyl, o-, m- or p- chlorophenyl, o-, m- or p-
• Nitrophenyl more preferably 2,3-, 2,4-, 2,5-, 2,6-, 3,4- or 3,5-difluorophenyl, 2,3-, 2,4-, 2,5-, 2,6-, 3,4- or 3,5-dichlorophenyl, 2,3-, 2,4-, 2,5-, 2,6-, 3,4- or 3,5-
• Ar furthermore preferably denotes 2- or 3-furyl, 2- or 3-thienyl, 1-, 2- or 3-pyrrolyl, 1-, 2, 4- or 5-imidazolyl, 1-, 3-, 4- or 5 -Pyrazolyl, 2-, 4- or 5-oxazolyl, 3-, 4- or 5-isoxazolyl, 2-, 4- or 5-thiazolyl, 3-, 4- or 5-isothiazolyl, 2-, 3- or 4 -Pyridyl, 2-, 4-, 5- or 6-pyrimidinyl, further preferably 1, 2,3-triazoM-, -4- or -5-yl, 1, 2,4-triazol-1-, -3- or 5-yl, 1- or 5-tetrazolyl, 1, 2,3-oxadiazol-4- or -5-yl, 1, 2,4-oxadiazol-3- or - 5-yl, 1, 3,4- Thiadiazol-2- or -5-yl, 1, 2,4-thiadiazol-3- or -5-yl, 1,2,3-thiadia
• Benzopyrazolyl 2-, 4-, 5-, 6- or 7-benzoxazolyl, 3-, 4-, 5-, 6- or 7-benzisoxazolyl, 2-, 4-, 5-, 6- or 7-benzthiazolyl, 2-, 4-, 5-, 6- or 7-benzisothiazolyl, 4-, 5-, 6- or 7-benz-2,1, 3-oxadiazolyl, 2-, 3-, 4-, 5-, 6 -, 7- or 8-quinolyl, 1-, 3-, 4-, 5-, 6-, 7- or 8-isoquinolyl, 3-, 4-, 5-, 6-, 7- or 8-cinnolinyl, 2-, 4-, 5-, 6-, 7- or 8-quinazolinyl.
• Arylene has the same meanings as for Ar, with the proviso that a further bond is formed from the aromatic system to the next bond neighbor.
• Heterocycloalkylene is preferably 1, 2-, 2,3- or 1, 3-pyrrolidinyl
• R 6 is preferably 2- or 3-furyl, 2- or 3-thienyl, 1-, 2- or 3-pyrrolyl, 1-, 2, 4- or 5-imidazolyl, 1-, 3-, 4- or 5 -Pyrazolyl, 2-, 4- or 5-oxazolyl, 3-, 4- or 5-isoxazolyl, 2-, 4- or 5-thiazolyl, 3-, 4- or 5-
• R 6 can, for. B. also mean 2,3-dihydro-2-, -3-, -4- or -5-furyl, 2,5-dihydro-2-, -3-, -4- or 5-furyl, tetrahydro-2 - or -3-furyl, 1, 3-dioxolan-4-yl, tetrahydro-2- or -3-thienyl, 2,3-dihydro-1-, -2-, -3-, -4- or -5 - pyrrolyl, 2,5-dihydro-1-, -2-, -3-, -4- or -5-pyrrolyl, 1-, 2- or 3-pyrrolidinyl, tetrahydro-1-, -2- or -4-imidazolyl, 2,3-dihydro-1-, -2-, -3-, -4- or
• Amino protecting group preferably means acetyl, propionyl, butyryl, phenylacetyl, benzoyl, toluyl, POA, methoxycarbonyl, ethoxycarbonyl,
• the invention relates in particular to those compounds of the formula I in which at least one of the abovementioned
• Radicals has one of the preferred meanings given above.
• Some preferred groups of compounds can be expressed by the following sub-formulas la to li, which correspond to the formula I and in which the radicals not specified have the meaning given for the formula I, but in which
• R 3 , R 4 are H
• R 2 A, R 3 , R 4 are H;
• R 3 , R 4 H and R 2 are aryl
• R 3 , R 4 are H and R 2 A;
• R 2 is camphor-10-yl, R 3 H or A and R 4 H.
• R 2 A, R 3 , R 4 are H;
• R 2 is camphor-10-yl, R 3 , R 4 is H;
• R 3 , R 4 are H
• the compounds of the formula I and also the starting materials for their preparation are otherwise prepared by methods known per se, as described in the literature (for example in the standard works such as Houben-Weyl, Methods of Organic Chemistry, Georg-Thieme-Verlag, Stuttgart; ) are described, namely under reaction conditions which are known and suitable for the reactions mentioned. Use can also be made of variants which are known per se and are not mentioned here in detail. If desired, the starting materials can also be formed in situ, so that they are not isolated from the reaction mixture, but instead are immediately reacted further to give the compounds of the formula I.
• Compounds of formula I can preferably be obtained by liberating compounds of formula I from one of their functional derivatives by treatment with a solvolysing or hydrogenating agent.
• Preferred starting materials for solvolysis or hydrogenolysis are those which otherwise correspond to the formula I, but instead of one or more free amino and / or hydroxyl groups contain corresponding protected amino and / or hydroxyl groups, preferably those which instead of an H atom, which is connected to an N atom carry an amino protective group, in particular those which carry an R'-N group instead of an HN group, in which R 'represents an amino protective group, and / or those which have one instead of the H atom Hydroxy group carry a hydroxy protecting group, e.g. those which correspond to the formula I, but instead of a group -COOH carry a group -COOR "in which R" denotes a hydroxyl protective group.
• amino protecting group is generally known and refers to groups which are suitable for protecting (blocking) an amino group from chemical reactions, but which are easily removable after the desired chemical reaction has been carried out at other locations in the molecule. Unsubstituted or substituted acyl, aryl, aralkoxymethyl or aralkyl groups are particularly typical of such groups. Since the amino protective groups are removed after the desired reaction (or reaction sequence), their type and size is otherwise not critical; however, preference is given to those having 1-20, in particular 1-8, carbon atoms.
• acyl group is related with the present procedure in the broadest sense.
• acyl groups derived from aliphatic, araliphatic, aromatic or heterocyclic carboxylic acids or sulfonic acids, and in particular alkoxycarbonyl, aryloxycarbonyl and especially aralkoxycarbonyl groups. Examples of such acyl groups are
• Alkanoyl such as acetyl, propionyl, butyryl; Aralkanoyl such as phenylacetyl; Aroyl such as benzoyl or toluyl; Aryloxyalkanoyl such as POA; Alkoxycarbonyl such as methoxycarbonyl, ethoxycarbonyl, 2,2,2-trichloroethoxycarbonyl, BOC, 2-iodoethoxycarbonyl; Aralkyloxycarbonyl such as CBZ ("carbobenzoxy”), 4-methoxybenzyloxycarbonyl, FMOC; Arylsulfonyl such as Mtr.
• Preferred Preferred
• Amino protecting groups are BOC and Mtr, also CBZ, Fmoc, benzyl and acetyl.
• the amino protective group is split off, depending on the protective group used, e.g. B. with strong acids, suitably with TFA or perchloric acid, but also with other strong inorganic acids such as hydrochloric acid or sulfuric acid, strong organic carboxylic acids such as trichloroacetic acid or sulfonic acids such as benzene or p-toluenesulfonic acid.
• strong acids suitably with TFA or perchloric acid
• other strong inorganic acids such as hydrochloric acid or sulfuric acid
• strong organic carboxylic acids such as trichloroacetic acid or sulfonic acids such as benzene or p-toluenesulfonic acid.
• Suitable inert solvents are preferably organic, for example carboxylic acids such as acetic acid, ethers such as tetrahydrofuran or dioxane, amides such as DMF, halogenated hydrocarbons such as dichloromethane, and also alcohols such as methanol, ethanol or isopropanol, and water. Mixtures of the abovementioned solvents are also suitable. TFA is preferably used in excess without the addition of another solvent, perchloric acid in the form of a mixture of acetic acid and 70% perchloric acid in a ratio of 9: 1.
• the reaction temperatures for the cleavage are advantageously between about 0 and about 50 °, preferably between 15 and 30 ° (room temperature).
• the groups BOC, OBut and Mtr can e.g. B. preferably with TFA in dichloromethane or with about 3 to 5N HCl in dioxane at 15-30 °, the FMOC group with an about 5 to 50% solution of dimethylamine, diethylamine or piperidine in DMF at 15-30 °.
• Hydrogenolytically removable protective groups e.g. CBZ or benzyl
• a catalyst z. B. a noble metal catalyst such as palladium, advantageously on a support such as coal.
• Suitable solvents are the above, especially z. B. alcohols such as
• Methanol or ethanol or amides such as DMF Methanol or ethanol or amides such as DMF.
• the hydrogenolysis is generally carried out at temperatures between about 0 and 100 ° and pressures between about 1 and 200 bar, preferably at 20-30 ° and 1-10 bar.
• Hydrogenolysis of the CBZ group succeeds e.g. B. good at 5 to 10% Pd / C in methanol or with ammonium formate (instead of
• Compounds of the formula I can preferably be obtained by reacting compounds of the formula II with compounds of the formula III.
• the starting compounds of the formula II and III are generally new. However, they can be produced by methods known per se.
• L preferably denotes Cl, Br, I or a reactively modified OH group such as alkylsulfonyloxy with 1-6 C atoms (preferably methylsulfonyloxy) or arylsulfonyloxy with 6-10 C atoms (preferably phenyl or p- Tolylsulfonyloxy).
• the compounds of the formula II are generally reacted in an inert solvent, in the presence of an acid-binding agent, preferably an organic base such as triethylamine, dimethyianiline, pyridine or quinoline.
• an alkali metal or alkaline earth metal hydroxide, carbonate or bicarbonate or another salt of a weak acid of the alkali metal or alkaline earth metal preferably of potassium, sodium, calcium or cesium
• the reaction time is between a few minutes and 14 days
• the reaction temperature is between about -30 ° and 140 °, normally between -10 ° and 90 °, in particular between about 0 ° and about 70 °.
• Suitable inert solvents are, for example, hydrocarbons such as hexane, petroleum ether, benzene, toluene or xylot; chlorinated hydrocarbons such as Trichlorethylene, 1, 2-dichloroethane, carbon tetrachloride, chloroform or dichloromethane; Alcohols such as methanol, ethanol, isopropanol, n-propanol, n-butanol or tert-butanol; Ethers such as diethyl ether, diisopropyl ether, tetrahydrofuran (THF) or dioxane; Glycol ethers such as ethylene glycol monomethyl or monoethyl ether (methyl glycol or ethyl glycol),
• Ethylene glycol dimethyl ether diglyme
• Ketones such as acetone or butanone
• Amides such as acetamide, dimethylacetamide or dimethylformamide (DMF); Nitriles such as acetonitrile
• Sulfoxides such as dimethyl sulfoxide (DMSO); Carbon disulfide
• Carboxylic acids such as formic acid or acetic acid
• Nitro compounds such as nitromethane or nitrobenzene
• Esters such as ethyl acetate, water or mixtures of the solvents mentioned.
• estonify an ester of the formula I is conveniently done by solvolysis or hydrogenolysis, as indicated above, e.g. with NaOH or KOH in dioxane water at temperatures between 0 and 60 ° C, preferably between 10 and 40 ° C.
• one radical R 1 and / or R 3 can be converted into another radical R 1 and / or R 3 .
• a carboxylic acid can be converted into a carboxylic acid ester.
• the conversion of a cyano group into an amidino group takes place by reaction with e.g. Hydroxylamine and subsequent reduction of the N-hydroxyamidine with hydrogen in the presence of a catalyst such as e.g. Pd / C.
• a catalyst such as e.g. Pd / C.
• a base of the formula I can be converted into the associated acid addition salt using an acid, for example by reacting equivalent amounts of the base and the acid in an inert solvent such as ethanol and subsequent evaporation.
• acids are particularly suitable, the physiologically harmless ones Deliver salts.
• So inorganic acids can be used, for example sulfuric acid, nitric acid, hydrohalic acids such as hydrochloric acid or hydrobromic acid, phosphoric acids such as orthophosphoric acid, sulfamic acid, furthermore organic acids, in particular aliphatic, alicyclic, araliphatic, aromatic or heterocyclic mono- or polycarbonate, sulfonic or Sulfuric acids, for example formic acid, acetic acid, propionic acid, pivalic acid, diethyl acetic acid, malonic acid, succinic acid, pimeic acid, fumaric acid, maleic acid, lactic acid, tartaric acid, malic acid, citric acid, gluconic acid, ascorbic acid, nicotinic acid, isonicotinic acid, 2-sulfonic acid, methane acid or ethanoic acid, methane or ethanoic acid, Hydroxyethanesulfonic acid, benzenesulfonic acid, p
• an acid of formula I can be converted into one of its physiologically acceptable metal or ammonium salts by reaction with a base.
• the sodium, potassium, magnesium, calcium and ammonium salts come in as salts
• ammonium salts e.g. B. the dimethyl, diethyl or diisopropyl ammonium salts, monoethanol, diethanol or diisopropylammonium salts, cyclohexyl, dicyclohexylammonium salts, dibenzylethylenediammonium salts, z. B. salts with arginine or lysine.
• the compounds of the formula I contain one or more chiral centers and can therefore be present in racemic or in optically active form. Racemates obtained can be separated mechanically or chemically into the enantiomers by methods known per se. Diastereomers are preferably formed from the racemic mixture by reaction with an optically active release agent. Suitable release agents are e.g. optically active acids, such as the D and L forms of tartaric acid, diacetyltartaric acid, dibenzoyltartaric acid, mandelic acid, malic acid, lactic acid or the various optically active camphorsulfonic acids such as ß-
• a suitable solvent is e.g. a mixture of hexane / isopropanol / acetonitrile, e.g. in the volume ratio 82: 15: 3.
• optically active compounds of the formula I by the methods described above by using starting materials which are already optically active.
• test results of the ⁇ v ⁇ 3 and ⁇ vßs inhibition by some representative compounds of the formula I are summarized in Tables I and II below.
• the IC 50 values for the vitronectin binding tests are given, ie the concentrations in nmoles / liter which inhibit 50% of the vitronectin binding to the corresponding isolated receptor.
• IC 50 values concentration in nmoles / liter which inhibit 50% of the vitronectin binding to the isolated receptor
• IC 50 values concentration in nmoles / liter which inhibit 50% of fibrinogen binding to the isolated receptor
• the invention furthermore relates to the use of the compounds of the formula I and / or their physiologically acceptable salts for the production of pharmaceutical preparations, in particular by a non-chemical route. They can be brought into a suitable dosage form together with at least one solid, liquid and / or semi-liquid carrier or auxiliary and, if appropriate, in combination with one or more further active ingredients.
• the invention further relates to pharmaceutical preparations containing at least one compound of the formula I and / or one of its physiologically acceptable salts.
• Suitable carriers are organic or inorganic substances which are suitable for enteral (for example oral), parenteral, topical application or for application in the form of an inhalation spray and do not react with the new compounds, for example water, vegetable oils, benzyl alcohols , Alkylene glycols, polyethylene glycols, glycerol triacetate, gelatin, carbohydrates such as lactose or starch, magnesium stearate, talc, petroleum jelly.
• Tablets, pills, dragees, capsules, powders, granules, syrups, juices or drops are used in particular for oral use, suppositories for rectal use, solutions, preferably oily or aqueous solutions, furthermore suspensions, emulsions or implants for parenteral use. for topical application of ointments, creams or powder.
• the new compounds can also be lyophilized and the lyophilizates obtained used, for example, for the production of injectables.
• the specified preparations can be sterilized and / or contain auxiliaries such as lubricants, preservatives, stabilizers and / or wetting agents, emulsifiers, salts for influencing the osmotic pressure, buffer substances, coloring, flavoring and / or several other active ingredients, e.g. B. one or more vitamins.
• auxiliaries such as lubricants, preservatives, stabilizers and / or wetting agents, emulsifiers, salts for influencing the osmotic pressure, buffer substances, coloring, flavoring and / or several other active ingredients, e.g. B. one or more vitamins.
• sprays can be used which contain the active ingredient either dissolved or suspended in a propellant gas or propellant gas mixture (e.g. C0 2 or chlorofluorocarbons).
• the active ingredient is expediently used in micronized form, with one or more additional physiologically tolerable ones
• Solvents may be present, e.g. B. ethanol. Inhalation solutions can be administered using standard inhalers.
• the compounds of the formula I and their physiologically acceptable salts can be used as integrin inhibitors in combating diseases, in particular pathologically angiogenic diseases, thromboses,
• Heart attack coronary heart disease, arteriosclerosis, tumors,
• the substances according to the invention can generally be administered in analogy to other known, commercially available peptides, but in particular in analogy to the compounds described in US Pat. No. 4,472,305, preferably in doses between about 0.05 and 500 mg, in particular between 0.5 and 100 mg administered per dosage unit.
• the daily dosage is preferably between about 0.01 and 2 mg / kg body weight.
• the specific dose for each patient depends on a wide variety of factors, for example on the effectiveness of the particular compound used, on the age, body weight, general health, sex, on the diet, on the time and route of administration, on the rate of elimination, combination of drugs and severity of the respective disease to which the therapy applies. Parenteral administration is preferred.
• customary work-up means: if necessary, water is added, if necessary, depending on the constitution of the End product to pH values between 2 and 10, extracted with ethyl acetate or dichloromethane, separated, the organic phase dried over sodium sulfate, evaporated and purified by chromatography on silica gel and / or by crystallization.
• the compound (2S) -2-benzyloxycarboxamido-3- is obtained by reacting tert-butyl benzyloxycarbonyl-L-p-amino-phenylalanine and 1-chloro-4-ethoxy-butanedione-1,4. [4- (3-ethoxy-3-oxo-propyl-carboxamido) phenyl] propionic acid tert-butyl ester. Cleavage of the Z protecting group gives tert-butyl ester ("C") (2S) -2-amino-3- [4- (3-ethoxy-3-oxo-propylcarboxamido) phenyl] propionate.
• C tert-butyl ester
• the compound (2S) -2-benzyloxycarboxamido-3- is obtained by reacting tert-butyl benzyloxycarbonyl-L-p-aminophenylalanine and 1-chloro-3-ethoxypropanedione-1,3. [4- (2-ethoxy-2-oxoethylcarboxamido) phenyl] propionic acid tert-butyl ester. Cleavage of the Z protecting group gives tert-butyl ester ("E") (2S) -2-amino-3- [4- (2-ethoxy-2-oxobutylcarboxamido) phenyl] propionate.
• Example 3 Analogously to Example 3, the compounds are obtained by cleaving the tert-butyl ester with TFA
• Example A Injection glasses
• a solution of 100 g of an active ingredient of the formula I and 5 g of disodium hydrogenphosphate is adjusted to pH 6.5 in 3 l of double-distilled water with 2N hydrochloric acid, sterile filtered, filled into injection glasses, lyophilized under sterile conditions and sealed sterile. Each injection glass contains 5 mg of active ingredient.
• a mixture of 20 g of an active ingredient of the formula I is melted with 100 g of soy lecithin and 1400 g of cocoa butter, poured into molds and allowed to cool. Each suppository contains 20 mg of active ingredient.
• a solution of 1 g of an active ingredient is prepared of the formula I, 9.38 g of NaH 2 P0 4 • 2 H 2 0, 28.48 g Na 2 HP0 4 • 12 H 2 0 and 0.1 g of benzalkonium chloride in 940 ml of double distilled water. It is adjusted to pH 6.8, made up to 1 I and sterilized by irradiation. This solution can be used in the form of eye drops.
• Example D ointment
• 500 mg of an active ingredient of the formula I are mixed with 99.5 g of petroleum jelly under aseptic conditions.
• Example F coated tablets
• Example E tablets are pressed, which are then coated in a conventional manner with a coating of sucrose, potato starch, talc, tragacanth and colorant.
• Example G capsules
• each capsule contains 20 mg of the active ingredient.
• Water is sterile filtered, filled into ampoules, lyophilized under sterile conditions and sealed sterile. Each ampoule contains 10 mg of active ingredient.

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• 1997
  • 1997-06-23 AU AU33430/97A patent/AU3343097A/en not_active Abandoned
  • 1997-06-23 KR KR1019980710608A patent/KR20000022190A/ko not_active Application Discontinuation
  • 1997-06-23 CA CA002259224A patent/CA2259224A1/en not_active Abandoned
  • 1997-06-23 JP JP10503812A patent/JP2000516575A/ja active Pending
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  • 1997-06-23 EP EP97929258A patent/EP0907637A1/de not_active Withdrawn
  • 1997-06-23 CZ CZ984249A patent/CZ424998A3/cs unknown
  • 1997-06-23 WO PCT/EP1997/003275 patent/WO1998000395A1/de not_active Application Discontinuation
• 1998
  • 1998-12-23 NO NO986090A patent/NO986090D0/no unknown

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