EP1117664A1 - Derives imidazo 4,5-$i(c)]pyridin-4-ones, presentant un effet inhibiteur du facteur xa - Google Patents

Derives imidazo 4,5-$i(c)]pyridin-4-ones, presentant un effet inhibiteur du facteur xa

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Publication number
EP1117664A1
EP1117664A1 EP99946151A EP99946151A EP1117664A1 EP 1117664 A1 EP1117664 A1 EP 1117664A1 EP 99946151 A EP99946151 A EP 99946151A EP 99946151 A EP99946151 A EP 99946151A EP 1117664 A1 EP1117664 A1 EP 1117664A1
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EP
European Patent Office
Prior art keywords
amidino
formula
compounds
imidazo
methyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99946151A
Other languages
German (de)
English (en)
Inventor
Joachim Gante
Werner Mederski
Horst Juraszyk
Hanns Wurziger
Dieter Dorsch
Hans-Peter Buchstaller
Sabine Bernotat-Danielowski
Guido Melzer
Soheila Anzali
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
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Filing date
Publication date
Application filed by Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of EP1117664A1 publication Critical patent/EP1117664A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems
    • 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
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/4353—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems
    • A61K31/437—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline
    • 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
    • A61P9/10—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

Definitions

  • the invention relates to compounds of the formula I.
  • R H unbranched or branched alkyl having 1-6 C atoms or
  • Ar, Ar ' are each independently of one another unsubstituted or mono-, di- or triple by R, OH, Hai, CN, N0 2 , CF 3l NH 2l NHR, NR 2 , pyrrolidin-1-yl, piperidin-1-yl, benzyloxy , SO 2 NH 2 , S0 2 NHR, SO 2 NR 2 , -CONHR, -CONR 2 , - (CH 2 ) n-NH 2 ,
  • the invention also relates to the optically active forms, the racemates, the diastereomers and the hydrates and solvates, e.g. Alcohololates, these compounds.
  • the invention was based on the task of finding 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.
  • they show factor Xa inhibitory properties and can therefore be used to combat and prevent thromboembolic disorders such as thrombosis, myocardial infarction, arteriosclerosis, inflammation, apoplexy, angina pectoris, restenosis after angioplasty and claudication intermittently.
  • the compounds of the formula I according to the invention can furthermore be inhibitors of the coagulation factors factor VIIa, factor IXa and thrombin of the blood coagulation cascade.
  • Aromatic amidine derivatives with antithrombotic activity are e.g. known from EP 0 540 051 B1.
  • Cyclic guanidines for the treatment of thromboembolic disorders are e.g. described in WO 97/08165.
  • Aromatic heterocycles with factor Xa inhibitory activity are e.g. known from WO 96/10022.
  • Substituted N - [(aminoimino-methyl) phenylalkyl] azaheterocyclylamides as factor Xa inhibitors are described in WO 96/40679.
  • the antithrombotic and anticoagulant effect of the compounds according to the invention is based on the inhibitory effect on the activated coagulation protease, known under the name of factor Xa, or attributed to the inhibition of other activated serine proteases such as factor VIIa, factor IXa or thrombin.
  • Factor Xa is one of the proteases involved in the complex process of blood clotting. Factor Xa catalyzes the conversion of prothrombin to thrombin. Thrombin cleaves fibrinogen into fibrin monomers, which after cross-linking make an elementary contribution to thrombus formation. Activation of thrombin can lead to the occurrence of thromboembolic disorders. However, inhibition of thrombin can inhibit fibrin formation involved in thrombus formation.
  • the measurement of the inhibition of thrombin can e.g. using the method of G.F. Cousins et al. in Circulation 1996, 94, 1705-1712.
  • Inhibition of factor Xa can thus prevent thrombin from being formed.
  • the compounds of formula I according to the invention and their salts interfere with the blood coagulation process by inhibiting factor Xa and thus inhibit the formation of thrombi.
  • the inhibition of factor Xa by the compounds according to the invention and the measurement of the anticoagulant and antithrombotic activity can be determined by customary in vitro or in vivo methods.
  • a suitable method is e.g. by J. Hauptmann et al. in Thrombosis and Haemostasis 1990, 63, 220-223.
  • the measurement of the inhibition of factor Xa can e.g. using the method of T. Hara et al. in thromb. Haemostas. 1994, 71, 314-319 he olgen.
  • the coagulation factor Vlla initiates the extrinsic part of the coagulation cascade after binding to the tissue factor and contributes to the activation of the
  • Factor X to factor Xa.
  • An inhibition of factor VIIa thus prevents the development of factor Xa and thus a subsequent one
  • Activity can be determined using conventional in vitro or in vivo methods the.
  • a common method for measuring the inhibition of factor VIIa is described, for example, by HF Ronning et al. in Thrombosis Research 1996, 84, 73-81.
  • Coagulation factor IXa is generated in the intrinsic coagulation cascade and is also involved in the activation of factor X to factor Xa. Inhibition of factor IXa can therefore otherwise prevent factor Xa from being formed.
  • the inhibition of factor IXa by the compounds according to the invention and the measurement of the anticoagulant and antithrombotic activity can be determined by customary in vitro or in vivo methods. A suitable method is e.g. by J. Chang et al. in Journal of Biological Chemistry 1998, 273, 12089-12094.
  • the compounds of formula I can be used as active pharmaceutical ingredients in the
  • thromboembolic disorders such as thrombosis, myocardial infarction, arteriosclerosis, inflammation, apoplexy, angina pectoris, restenosis after angioplasty and claudication intermediate.
  • the invention relates to the compounds of the formula I and their salts and to a process for the preparation of compounds of the formula I according to claim 1 and their salts, characterized in that
  • R represents alkyl, is unbranched (linear) or branched, and has 1 to 6, preferably 1, 2, 3, 4, 5 or 6 carbon atoms.
  • R is preferably methyl, furthermore ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl or tert-butyl, and 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-dimethyibutyl, 1- or 2-ethylbutyl, 1-ethyl-1-methylpropyl, 1-ethyl-2-methylpropyl, 1, 1, 2- or 1, 2,2-trimethylpropyl.
  • R is also cycloalkyl and preferably means cyclopropyl, cyclo
  • A means alkyl with 1, 2, 3 or 4 carbon atoms and preferably means methyl, furthermore ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl or tert-butyl.
  • Ar and Ar 'each independently of one another are preferably unsubstituted phenyl, naphthyl or biphenyl, further preferably, for example, by methyl, ethyl, propyl, isopropyl, butyl, cyclopentyl, cyclohexyl, fluorine, chlorine, bromine, iodine, hydroxy, methoxy, ethoxy, propoxy, Butoxy, pentyloxy, hexyloxy, cyano, nitro, trifluoromethyl, amino, methylamino, ethylamino, dimethylamino, diethylamino, pyrrolidin-1-yl, pipehdin-1-yl, benzyloxy, sulfonamido, methylsulfonamido, ethylsulfonamido, propylsulfonamido Butylsulfonamido, dimethylsulfona
  • Ar and Ar ' are therefore, in each case independently of one another, very particularly preferably, for example, 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-hydroxyphenyl, o-, m- or p-nitrophenyl, o-, m- or p-aminophenyl, o-, m- or p- (N-methylamino) phenyl, o-, m- or p- (N-methylaminocarbonyl) phenyl, o-, m- or p-acetamidophenyl, o-, m- or p-methoxypheny
  • R 3 preferably denotes, for example, H, shark, COOH, COOA or CONH 2 .
  • n is preferably 0 or 1, and also 2 or 3.
  • the compounds of the formula I can have one or more chiral centers and therefore exist in various stereoisomeric forms.
  • Formula I encompasses all of these forms.
  • the invention relates in particular to those compounds of the formula I in which at least one of the radicals mentioned has one of the preferred meanings indicated 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
  • Ig n denotes 1; in lh RH, unbranched or branched alkyl with 1-6 C-
  • R 1 Ar, R 2 Ar ', R 3 H, R, Hai, COOH or COOA, Ar, Ar' are each independently of one another simply by -CONR 2 ,
  • Ar, Ar ' each independently of one another, simply substituted by R 4, phenyl, naphthyl or biphenyl,
  • P means 0 or 1.
  • 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 hydrogenolysing 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 instead of an HN
  • Group carry an R'-N group, in which R 'represents an amino protecting group and / or those which carry a hydroxy protecting group instead of the H atom of a hydroxy 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.
  • Preferred starting materials are also the oxadiazole derivatives, which can be converted into the corresponding amidino compounds.
  • the release of the amidino group from its oxadiazole derivative can e.g. by treatment with hydrogen in the presence of a catalyst (e.g.
  • Suitable solvents are those specified below, in particular alcohols such as methanol or ethanol, organic acids such as acetic acid or propionic acid or mixtures thereof.
  • 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 ° (room temperature) and 1-10 bar.
  • the oxadiazole group can be introduced, for example, by reacting the cyano compounds with hydroxylamine and reacting with phosgene, dialkyl carbonate, chloroformate, N, N'-carbonyldiimidazole or acetic anhydride.
  • phosgene dialkyl carbonate
  • chloroformate N, N'-carbonyldiimidazole
  • acetic anhydride Several - identical or different - protected amino and / or hydroxy groups can also be present in the molecule of the starting material. If the existing protective groups are different from one another, they can in many cases be split off selectively.
  • 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 at other locations on the
  • acyl group is to be understood in the broadest sense in connection with the present process. It encompasses acyl groups derived from aliphatic, araliphatic, aromatic or heterocyclic carboxylic acids or sulfonic acids, in particular alkoxycarbonyl, aryloxycarbonyl and especially aralkoxycarbonyl groups.
  • 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 (tert-butyloxycarbonyl), 2-iodoethoxycarbonyl; Aralkyloxycarbonyl such as CBZ ("carbobenzoxy"), 4-methoxybenzyloxycarbonyl, FMOC; Aryisulfonyl such as Mtr.
  • Preferred amino protecting groups are BOC and Mtr, furthermore CBZ, Fmoc, benzyl and acetyl.
  • hydroxyl protecting group is also generally known and refers to groups which are suitable for protecting a hydroxyl group against chemical reactions, but which are easily removable after the desired chemical reaction has been carried out elsewhere in the molecule. Typical of such groups are the unsubstituted or substituted aryl, aralkyl or acyl groups mentioned above, and also alkyl groups.
  • the nature and size of the hydroxy Protecting groups are not critical since they are removed again after the desired chemical reaction or reaction sequence; groups with 1-20, in particular 1-10, carbon atoms are preferred.
  • hydroxyl protecting groups include benzyl, 4-methoxybenzyl, p-nitrobenzoyl, p-toluenesulfonyl, tert-butyl and acetyl, with benzyl and tert-butyl being particularly preferred.
  • 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 can, for. B. by treatment with hydrogen in the presence of a catalyst (z. B. a noble metal catalyst such as palladium, advantageously on a support such as coal).
  • 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 etha- noi or amides like 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 on 5 to 10% Pd / C in methanol or with ammonium formate (instead of hydrogen) on Pd / C in methanol / DMF at 20-30 °.
  • Suitable inert solvents are e.g. Hydrocarbons such as hexane, petroleum ether, benzene, toluene or xylene; chlorinated hydrocarbons such as trichlorethylene, 1, 2-dichloroethane, carbon tetrachloride, trifluoromethylbenzene, 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, N-methylpyrrolidone (NMP) or dimethylformamide (DMF); Nitriles such as acetonitrile; Suifoxides 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 or mixtures of the solvents mentioned.
  • Amides such as acetamide, dimethylacetamide, N-methylpyrrolidone (NMP) or dimethylformamide (DMF); Nitriles such as acetonitrile; Suifoxides 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 or mixtures of the solvents mentioned
  • the biphenyl-SO 2 NH 2 group is preferably used in the form of its tert-butyl derivative.
  • the tert-butyl group is cleaved off, for example, using TFA with or without the addition of an inert solvent, preferably with the addition of a small amount of anisole (1% by volume).
  • 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.
  • ammonia can also be added to a nitrite.
  • the addition is preferably carried out in several stages by, in a manner known per se, a) converting the nitrii with H 2 S into a thioamide which is mixed with an alkylating agent, for example CH 3 I, in the corresponding S-alkyl imidothioester is converted, which in turn reacts with NH 3 to form the amidine, b) converts the nitrii with an alcohol, for example ethanol in the presence of HCI, into the corresponding imidoester and treats it with ammonia, or c) the nitrii with lithium bis (trimethylsilyl) ) amide and then hydrolyzed the product.
  • an alkylating agent for example CH 3 I
  • R 2 or - (CH 2 ) n -R 1 radicals are introduced into the dihydro-imidazo [4,5-c] pyridin-4-one system by customary alkylation methods.
  • a compound of formula II is introduced into the dihydro-imidazo [4,5-c] pyridin-4-one system by customary alkylation methods.
  • R has the meaning given in claim 1 and R 1 and R 3 each represent a radical which is not alkylatable, such as for R 1
  • L is preferably Cl, Br, I or a reactively modified OH group such as an activated ester, an imidazolide or alkylsulfonyloxy with 1-6 C atoms (preferably methylsulfonyloxy) or arylsulfonyloxy with 6-10 C atoms (preferably phenyl - or p-tolylsulfonyloxy).
  • a reactively modified OH group such as an activated ester, an imidazolide or alkylsulfonyloxy with 1-6 C atoms (preferably methylsulfonyloxy) or arylsulfonyloxy with 6-10 C atoms (preferably phenyl - or p-tolylsulfonyloxy).
  • the solvents listed above are suitable as solvents.
  • the reaction is carried out in the presence of an acid-binding agent, preferably an alkali or alkaline earth metal hydroxide, carbonate or bicarbonate or another salt of a weak acid of the alkali or alkaline earth metals, preferably potassium, sodium, calcium or cesium.
  • an acid-binding agent preferably an alkali or alkaline earth metal hydroxide, carbonate or bicarbonate or another salt of a weak acid of the alkali or alkaline earth metals, preferably potassium, sodium, calcium or cesium.
  • reaction time is between a few minutes and 14 days, the reaction temperature is between about 0 ° and 150 °, normally between 20 ° and 130 °.
  • R 2 is introduced via a boronic acid derivative.
  • R 1 and R has the meaning given in claim 1 and R 2 and R 3 each represent a radical which cannot be alkylated, with a compound of the formula V.
  • R 1 - (CH 2 ) n -LV are implemented.
  • R 1 is a non-alkylatable radical, such as, for example, a phenyl radical substituted by 5-methyl- [1, 2,4] oxadiazol-3-yl and L has the meaning as in the compounds of the formula III.
  • This process gives compounds of the formula (IA) and / or (IB).
  • Esters can e.g. are saponified with acetic acid or with NaOH or KOH in water, water-THF or water-dioxane at temperatures between 0 and 100 °.
  • free amino groups can be acylated in the usual way with an acid chloride or anhydride or alkylated with an unsubstituted or substituted alkyl halide, advantageously in an inert solvent such as dichloromethane or THF and / or in the presence of a base such as triethylamine or pyridine at temperatures between -60 and + 30 °.
  • 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 that provide physiologically acceptable salts are suitable for this implementation.
  • 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, e.g.
  • acetic acid 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, isonicotonic acid, methanedio disulphonic acid, methane acid, Hydroxyethanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid, naphthalene mono- and disulfonic acids, lauryl sulfuric acid.
  • Salts with physiologically unacceptable acids for example picrates, can be used for the isolation and / or purification of the compounds of the formula I.
  • compounds of the formula I with bases for example sodium or potassium hydroxide or carbonate
  • bases for example sodium or potassium hydroxide or carbonate
  • compounds of the formula I with bases can be converted into the corresponding metal, in particular alkali metal or alkaline earth metal, or into the corresponding ammonium salts.
  • physiologically harmless organic bases e.g. Ethanolamine can be used.
  • the pharmaceutical activity of the racemates or the stereo isomers of the compounds according to the invention can differ, it may be desirable to use the enantiomers.
  • the end product or even the intermediates can be separated into enantiomeric compounds by chemical or physical measures known to the person skilled in the art or can already be used as such in the synthesis.
  • diastereomers are formed from the mixture by reaction with an optically active release agent.
  • Suitable release agents are e.g. optically active acids, such as the R and S forms of tartaric acid, diacetyltartaric acid, dibenzoyltartaric acid, mandelic acid, malic acid, lactic acid, suitable N-protected amino acids (e.g. N-benzoylproline or N-benzenesulfonylproline) or the various optically active camphorsulfonic acids.
  • Aqueous or alcoholic solvent mixtures such as e.g. Hexane / isopropanol / acetonitrile e.g. in the ratio 82: 15: 3.
  • the invention furthermore relates to the use of the compounds of the formula I and / or their physiologically acceptable salts for the preparation of Provision of pharmaceutical preparations, especially by non-chemical means. 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 or topical application 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, and also suspensions, emulsions or implants for parenteral use topical application ointments, creams or powder.
  • the new compounds can also be lyophilized and the lyophilizates obtained e.g. can be used for the production of injectables.
  • the specified preparations can be sterilized and / or contain auxiliary substances 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 substances, e.g. one or more vitamins.
  • auxiliary substances 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 substances, e.g. one or more vitamins.
  • the compounds of formula I and their physiologically acceptable salts can be used in the control and prevention of thromboembolic disorders such as thrombosis, myocardial infarction, arteriosclerosis, inflammation, apoplexy, angina pectoris, restenosis after angioplasty and intermittent claudication.
  • thromboembolic disorders such as thrombosis, myocardial infarction, arteriosclerosis, inflammation, apoplexy, angina pectoris, restenosis after angioplasty and intermittent claudication.
  • the substances according to the invention are generally preferably administered in doses between about 1 and 500 mg, in particular between 5 and 100 mg, per dosage unit.
  • the daily dosage is preferably between about 0.02 and 10 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 and combination of drugs and severity of the disease to which the therapy applies.
  • Oral application is preferred.
  • customary work-up means: if necessary, water is added, if necessary, depending on the constitution of the end product, the pH is adjusted to between 2 and 10, extracted with ethyl acetate or dichloromethane, and the mixture is separated off, dries the organic phase over sodium sulfate, evaporates and purifies by chromatography on silica gel and / or by crystallization. Rf values on silica gel; Eluent: ethyl acetate / methanol 9: 1.
  • the compound is obtained from "DF" by conventional methods by splitting off the tert-butyl group in TFA
  • the diamidino compounds are obtained therefrom by reaction with hydroxylammonium chloride and subsequent hydrogenation.
  • the following examples relate to pharmaceutical preparations:
  • 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 jar 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 is prepared from 1 g of an active ingredient of the formula I, 9.38 g of NaH 2 PO 4 • 2 H 2 0, 28.48 g of Na 2 HPO 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.
  • a solution of 1 kg of active ingredient of the formula I in 60 l of double-distilled 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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  • Organic Chemistry (AREA)
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Abstract

L'invention concerne de nouveaux composés correspondant à la formule (I), dans laquelle R, R?1, R2, R3¿, n et p correspondent à la définition donnée dans la revendication 1. Ces composés sont des inhibiteurs du facteur de coagulation Xa et peuvent être utilisés pour la prophylaxie et/ou le traitement de maladies thrombo-emboliques.
EP99946151A 1998-10-01 1999-09-09 Derives imidazo 4,5-$i(c)]pyridin-4-ones, presentant un effet inhibiteur du facteur xa Withdrawn EP1117664A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19845153A DE19845153A1 (de) 1998-10-01 1998-10-01 Imidazo[4,5]-pyridin-4-on-derivate
DE19845153 1998-10-01
PCT/EP1999/006655 WO2000020416A1 (fr) 1998-10-01 1999-09-09 Derives imidazo[4,5-$i(c)]pyridin-4-ones, presentant un effet inhibiteur du facteur xa

Publications (1)

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EP1117664A1 true EP1117664A1 (fr) 2001-07-25

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EP99946151A Withdrawn EP1117664A1 (fr) 1998-10-01 1999-09-09 Derives imidazo 4,5-$i(c)]pyridin-4-ones, presentant un effet inhibiteur du facteur xa

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Country Link
US (1) US6492384B1 (fr)
EP (1) EP1117664A1 (fr)
JP (1) JP2002526542A (fr)
KR (1) KR20010074980A (fr)
CN (1) CN1324358A (fr)
AR (1) AR020688A1 (fr)
AU (1) AU752574B2 (fr)
BR (1) BR9914213A (fr)
CA (1) CA2346033A1 (fr)
DE (1) DE19845153A1 (fr)
HU (1) HUP0104164A3 (fr)
ID (1) ID29466A (fr)
MY (1) MY130736A (fr)
NO (1) NO20011638L (fr)
PL (1) PL346542A1 (fr)
SK (1) SK4282001A3 (fr)
WO (1) WO2000020416A1 (fr)
ZA (1) ZA200103498B (fr)

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US6858616B2 (en) 1998-12-23 2005-02-22 Bristol-Myers Squibb Pharma Company Nitrogen containing heterobicycles as factor Xa inhibitors
ATE280171T1 (de) 1998-12-23 2004-11-15 Bristol Myers Squibb Pharma Co Stickstoffhaltige heterobicyclen als faktor-xa- hemmer
JP2004501918A (ja) * 2000-06-23 2004-01-22 ブリストル−マイヤーズ　スクイブ　ファーマ　カンパニー Ｘａ因子阻害剤としての１−（ヘテロアリール−フェニル）−縮合ピラゾール誘導体
EP1414449A4 (fr) 2001-05-22 2005-04-06 Bristol Myers Squibb Co Inhibiteurs bicycliques du facteur xa
EP1472254A4 (fr) * 2002-02-08 2006-02-15 Glsynthesis Inc Purine et composes antibacteriens isosteres
GB0215293D0 (en) 2002-07-03 2002-08-14 Rega Foundation Viral inhibitors
PT1569912E (pt) 2002-12-03 2015-09-15 Pharmacyclics Llc Derivados 2-(2-hidroxibifenil-3-il)-1h-benzoimidazole-5- carboxamidina como inibidores do fator viia
US7135469B2 (en) * 2003-03-18 2006-11-14 Bristol Myers Squibb, Co. Linear chain substituted monocyclic and bicyclic derivatives as factor Xa inhibitors
AU2004309390B2 (en) * 2003-12-22 2011-06-02 Gilead Sciences, Inc. Imidazo[4,5-c]pyridine compounds and methods of antiviral treatment
US7381732B2 (en) 2004-10-26 2008-06-03 Bristol-Myers Squibb Company Pyrazolobenzamides and derivatives as factor Xa inhibitors
JP2008524335A (ja) * 2004-12-21 2008-07-10 ギリアド サイエンシズ， インコーポレイテッド イミダゾ［４，５−ｃ］ピリジン化合物および抗ウイルス処置法
EP1942898B2 (fr) 2005-09-14 2014-05-14 Takeda Pharmaceutical Company Limited Inhibiteurs de la dipeptidyl peptidase permettant de traiter le diabete
JP5122462B2 (ja) 2005-09-16 2013-01-16 武田薬品工業株式会社 ジペプチジルペプチダーゼ阻害剤
TW200734338A (en) * 2006-01-16 2007-09-16 Organon Nv 6-Phenyl-1H-imidazo [4,5-c] pyridine-4-carbonitrile derivatives
WO2007112347A1 (fr) 2006-03-28 2007-10-04 Takeda Pharmaceutical Company Limited Inhibiteurs de la dipeptidyl peptidase
ES2339298T3 (es) * 2006-07-07 2010-05-18 Gilead Sciences, Inc. Compuesto de piridazina novedoso y uso del mismo.
TW200838536A (en) 2006-11-29 2008-10-01 Takeda Pharmaceutical Polymorphs of succinate salt of 2-[6-(3-amino-piperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-ylmethy]-4-fluor-benzonitrile and methods of use therefor
UA99466C2 (en) 2007-07-06 2012-08-27 Гилиад Сайенсиз, Инк. Crystalline pyridazine compound
WO2011031935A1 (fr) 2009-09-11 2011-03-17 Glsynthesis Inc. Anti-bactériens sélectifs pour des infections par clostridium difficile

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AR020688A1 (es) 2002-05-22
KR20010074980A (ko) 2001-08-09
HUP0104164A2 (hu) 2002-04-29
NO20011638D0 (no) 2001-03-30
NO20011638L (no) 2001-03-30
ZA200103498B (en) 2002-08-13
DE19845153A1 (de) 2000-04-06
MY130736A (en) 2007-07-31
CN1324358A (zh) 2001-11-28
WO2000020416A1 (fr) 2000-04-13
AU5861899A (en) 2000-04-26
PL346542A1 (en) 2002-02-11
SK4282001A3 (en) 2002-10-08
HUP0104164A3 (en) 2002-08-28
US6492384B1 (en) 2002-12-10
CA2346033A1 (fr) 2000-04-13
BR9914213A (pt) 2001-06-26
JP2002526542A (ja) 2002-08-20
ID29466A (id) 2001-08-30
AU752574B2 (en) 2002-09-26

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