NO178859B - Pyridine-2,4- and 2,5-dicarboxylic acid diamides and the use of the same, as well as drugs based on these compounds - Google Patents

Pyridine-2,4- and 2,5-dicarboxylic acid diamides and the use of the same, as well as drugs based on these compounds Download PDF

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NO178859B
NO178859B NO921025A NO921025A NO178859B NO 178859 B NO178859 B NO 178859B NO 921025 A NO921025 A NO 921025A NO 921025 A NO921025 A NO 921025A NO 178859 B NO178859 B NO 178859B
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pyridine
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dicarboxylic acid
collagen
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Ekkehard Baader
Martin Bickel
Volkmar Gunzler-Pukall
Manfred Volz
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Hoechst Ag
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic 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
    • C07D213/02Heterocyclic 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
    • C07D213/04Heterocyclic 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
    • C07D213/60Heterocyclic 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
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61P37/00Drugs for immunological or allergic disorders
    • A61P37/02Immunomodulators
    • A61P37/06Immunosuppressants, e.g. drugs for graft rejection
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • A61P9/10Drugs 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

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Abstract

The invention relates to mixed pyridine-2,4- and -2,5-dicarboxylic acid diamides, the carboxylic acid amide group in position 2 being a primary acid amide. The said compounds are suitable for the inhibition of proline hydroxylase and lysine hydroxylase and are used as fibrosuppressants and immunosuppressants.

Description

Forbindelser som hemmer prolin- og lysinhydroksylase, bevirker en meget selektiv hemming av kollagenbiosyntesen ved påvirkning av kollagenspesifikke hydroksyleringsreaksjoner. I deres forløp blir proteinbundet protein eller lysin hydroksy-lert ved enzymet prolin- henholdsvis lysinhydroksylase. Blir denne reaksjonen undertrykket ved hemming, så oppstår et ikke-funksjonsdyktig, underhydroksylert kollagenmolekyl, som kan bli avgitt fra cellen bare i mindre mengde til det ekstracellulære rom. Det underhydroksylerte kollagenet kan dessuten ikke bli innbygget i kollagenmatriksen og blir meget lett proteolytisk nedbrutt. Som følge av denne effekten forringes den samlede mengden med ekstracellulært opplagret kollagen. Compounds that inhibit proline and lysine hydroxylase cause a highly selective inhibition of collagen biosynthesis by influencing collagen-specific hydroxylation reactions. In their course, protein-bound protein or lysine is hydroxylated by the enzyme proline or lysine hydroxylase. If this reaction is suppressed by inhibition, then a non-functional, underhydroxylated collagen molecule is produced, which can be released from the cell only in small quantities into the extracellular space. Furthermore, the underhydroxylated collagen cannot be incorporated into the collagen matrix and is very easily proteolytically degraded. As a result of this effect, the total amount of extracellularly stored collagen deteriorates.

Det er kjent at hemming av prolinhydroksylase ved kjente hemmere som a ,oc' -dipyridyl fører til en hemming av Clq-biosyntese av makrofager (W. Muller et al. , FEBS Lett. 90 It is known that inhibition of proline hydroxylase by known inhibitors such as a,oc'-dipyridyl leads to an inhibition of Clq biosynthesis by macrophages (W. Muller et al., FEBS Lett. 90

(1978), 218; Immunbiology 155 (1978) 47). Det fører til et utfall i klassisk veg av komplimentaktivering. Hemmere av prolinhydroksylase virker derfor også som immunsuppressiva, f.eks. ved immunkomplekssykdommer. (1978), 218; Immunobiology 155 (1978) 47). This leads to an outcome in the classical way of compliment activation. Inhibitors of proline hydroxylase therefore also act as immunosuppressants, e.g. in immune complex diseases.

Det er kjent at prolinhydroksylase blir effektivt hemmet med pyrridin-2,4 og —2,5-dikarboksylsyre (K. Mayama et al., Eur. J. Biochem. 138 (1984) 239-245). Disse forbindelsene er i cellekultur fremfor alt bare virksomme i meget høye konsen-trasjoner (Tschank, G. et al., Biochem. J. 238 (1987) 625-633). It is known that proline hydroxylase is effectively inhibited by pyridine-2,4 and -2,5-dicarboxylic acid (K. Mayama et al., Eur. J. Biochem. 138 (1984) 239-245). These compounds are above all only effective in cell culture in very high concentrations (Tschank, G. et al., Biochem. J. 238 (1987) 625-633).

I DE-A 34 32 094 blir det beskrevet pyridin-2,4- og -2,5-dikarboksylsyrediester med 1-6 C-atomer i esteralkyldelen som legemiddel for hemming av prolin- og lysinhydroksylase. DE-A 34 32 094 describes pyridine-2,4- and -2,5-dicarboxylic acid diesters with 1-6 C atoms in the ester alkyl part as drugs for inhibiting proline and lysine hydroxylase.

Disse lav-alkylerte diesterene har imidlertid den ulempen at de raskt blir spaltet i organismen og foreligger ikke i tilstrekkelig høy konsentrasjon på deres virkeområde i cellen og er dermed mindre egnet for en eventuell administrering som legemiddel. However, these low-alkylated diesters have the disadvantage that they are quickly broken down in the organism and are not present in a sufficiently high concentration in their area of action in the cell and are thus less suitable for possible administration as medicine.

DE-A 37 03 959, DE-A 37 03 962 og DE-A 37 03 936 beskriver i generell form blandede ester/amider, høyere alkylerte diestere og diamider av pyridin-2,4- og -2,5-dikarboksylsyre, som hemmer kollagenbiosyntesen i dyremodell. DE-A 37 03 959, DE-A 37 03 962 and DE-A 37 03 936 describe in general form mixed ester/amides, higher alkylated diesters and diamides of pyridine-2,4- and -2,5-dicarboxylic acid, which inhibits collagen biosynthesis in an animal model.

Således blir det i DE-A 37 03 959 blant annet beskrevet syntese av N,N'-bis(2-metoksymetyl)-pyridin-2,4-dikarboksylsyrediamid og N,N'-bis(3-isopropoksypropyl)-pyridin-2,4-dikarboksylsyrediamid. Thus, DE-A 37 03 959 describes, among other things, the synthesis of N,N'-bis(2-methoxymethyl)-pyridine-2,4-dicarboxylic acid diamide and N,N'-bis(3-isopropoxypropyl)-pyridine-2 ,4-dicarboxylic acid diamide.

I tysk patentsøknad P 38 26 471.4 og P 38 28 140.6 blir det foreslått en forbedret fremgangsmåte for fremstilling av N ,N' -bis (2-metoksyetyl )-pyr i din-2 ,4-dikarboksylsyrediamid. Den tyske patentsøknad P 3924093.2 foreslår nye N.N'-bis(alkoksyalkyl)-pyridin-2,4-dikarboksylsyrediamider. In German patent application P 38 26 471.4 and P 38 28 140.6, an improved method for the production of N,N'-bis(2-methoxyethyl)-pyr in din-2,4-dicarboxylic acid diamide is proposed. The German patent application P 3924093.2 proposes new N.N'-bis(alkoxyalkyl)-pyridine-2,4-dicarboxylic acid diamides.

Det var derfor aktuelt å løse oppgaven ved å finne forbindelser som på en mye bedre måte er egnet til hemming av prolin- og lysinhydroksylase. Oppgaven ble løst ved pyrridin-2,4 og 2,5-dikarboksylsyrediamider med formel I It was therefore relevant to solve the task by finding compounds that are much better suited to inhibiting proline and lysine hydroxylase. The task was solved with pyridine-2,4 and 2,5-dicarboxylic acid diamides with formula I

der there

R<1> betyr C^-C^-alkyl, som kan være usubstituert eller substituert med R<1> means C₁-C₁-alkyl, which may be unsubstituted or substituted with

hydroksy, karboksyl, alkoksy, fenylalkoksykarbonyl, der alkylresten inneholder 1-4 C-atomer, hydroxy, carboxyl, alkoxy, phenyl alkoxycarbonyl, where the alkyl residue contains 1-4 C atoms,

og and

R<2> betyr hydrogen eller R<1>, der R<*> og R<2> er identiske eller forskjellige, ;eller der restene R<*> og R<2> sammen med nitrogen danner en rest med formel R<2> means hydrogen or R<1>, where R<*> and R<2> are identical or different, or where the residues R<*> and R<2> together with nitrogen form a residue of formula

så vel som fysiologisk godtagbare salter. as well as physiologically acceptable salts.

Videre angår oppfinnelsen forbindelser med formel I til anvendelse som legemiddel. Dessuten angår oppfinnelsen anvendelse av forbindelser med formel I for fremstilling av et preparat til påvirkning av stoff-skifte ved kollagen og kollagenlignende stoffer, henholdsvis biosyntese av Clq. Hemmere av prolylhydroksylase er egnede verktøy i terapi av sykdommer, der opplagring av kollagener bidrar utslagsgivende til sykdomsbilde. Til dette hører blant annet fibroser i lunge, lever og hud (skleroderma), så vel som atherosklerose. Furthermore, the invention relates to compounds of formula I for use as medicine. Furthermore, the invention relates to the use of compounds of formula I for the production of a preparation for influencing the metabolism of collagen and collagen-like substances, respectively biosynthesis of Clq. Inhibitors of prolyl hydroxylase are suitable tools in the therapy of diseases, where the storage of collagens contributes decisively to the disease picture. This includes fibrosis in the lungs, liver and skin (scleroderma), as well as atherosclerosis.

Den utelukkende i posisjon 4, hhv. 5 i amidgruppen sub-stituerte pyridin-2,4- og 2,5-dikarboksylsyrediamid med generell formel I viser sammenlignet med den i posisjon 5 også med karboksylsyreamidgruppen substituert pyridin-2,4-dikarboksylsyrediamider fra DE-A-3 707 429, og sammenlignet med den i begge amidgruppene substituert pyridin-2,4- og -2,5-dikarboksylsyrediamid i DE-A-37 039 59, en vesentlig og overraskende forbedret virksomhet ved hemming av prolin- og lysinhydroksylase i dyreforsøk. It exclusively in position 4, respectively 5 in the amide group substituted pyridine-2,4- and 2,5-dicarboxylic acid diamide of general formula I shows compared to that in position 5 also with the carboxylic acid amide group substituted pyridine-2,4-dicarboxylic acid diamides from DE-A-3 707 429, and compared to the pyridine-2,4- and -2,5-dicarboxylic acid diamide substituted in both amide groups in DE-A-37 039 59, a significantly and surprisingly improved activity in inhibiting proline and lysine hydroxylase in animal experiments.

Forbindelsene med formel I ifølge oppfinnelsen besitter verdifulle farmakologiske egenskaper og viser spesiell virksomhet som hemmer av prolin- og lysinhydroksylase, som fibrosuppressivum og immunsuppressivum. The compounds of formula I according to the invention possess valuable pharmacological properties and show special activity as inhibitors of proline and lysine hydroxylase, as fibrosuppressants and immunosuppressants.

Aktiviteten til fibrogenase kan bli bestemt ved radioimmuno-logisk bestemmelse av N-terminale propeptider i kollagen type-III eller N- hhv. C-terminale tverrbindingsdomener av kollagener type-IV (7s-kollagen hhv. type-IV-kollagen-NC-L) i serum. The activity of fibrogenase can be determined by radioimmuno-logical determination of N-terminal propeptides in collagen type-III or N-, respectively. C-terminal cross-linking domains of collagens type-IV (7s-collagen or type-IV-collagen-NC-L) in serum.

Til dette formål blir hydroksyprolin-, prokollagen-III-peptid-, 7s-kollagen- og type-IV-kollagen-NC^-konsentrasjon målt i lever av To this end, hydroxyproline, procollagen-III peptide, 7s-collagen and type-IV-collagen-NC^ concentration is measured in liver by

a) ubehandlede rotter (kontroller) a) untreated rats (controls)

b) rotter, som har blitt administrert med karbontetraklorid (CCl4-kontroll) c) rotter som først har blitt administrert med CCI4 og deretter en forbindelse ifølge oppfinnelsen (denne b) rats which have been administered with carbon tetrachloride (CCl4 control) c) rats which have been administered first with CCI4 and then a compound according to the invention (this

testmetoden er beskrevet av Rouiller, C, Experimental toxic injury of the liver; in The Liver, C. Rouiller, Vol. 2, s. 335-476, New York, Academic Press, 1964). the test method is described by Rouiller, C, Experimental toxic injury of the liver; in The Liver, C. Rouiller, Vol. 2, pp. 335-476, New York, Academic Press, 1964).

På grunn av disse farmakologiske egenskapene er forbindelsene ifølge oppfinnelsen egnet til behandling av forstyrrelser i stoffskifte til kollagen og kollagenlignende stoffer, hhv. til behandling av forstyrrelser i biosyntese av Clq. Due to these pharmacological properties, the compounds according to the invention are suitable for the treatment of disturbances in the metabolism of collagen and collagen-like substances, respectively. for the treatment of disturbances in the biosynthesis of Clq.

Oppfinnelsen angår således videre anvendelse av forbindelsen med formel I ifølge oppfinnelsen, så vel som deres fysiologisk godtagbare salter ved behandling av de ovenfor nevnte stoffskifteforstyrrelsene. The invention thus further relates to the use of the compound of formula I according to the invention, as well as their physiologically acceptable salts in the treatment of the above-mentioned metabolic disorders.

Forbindelsene kan bli anvendt alene eller blandet med fysiologisk godtagbare hjelpe- eller baererstof f er som legemidler. De kan til dette formål bli anvendt i orale doser fra 0,01-25,0 mg/kg/dag, fortrinnsvis 0,01-5,0 mg/kg/dag eller parenteralt i doser fra 0,001-5 mg/kg/dag, fortrinnsvis 0,001-2,5 mg/kg/dag, særlig 0,005-1,0 mg/kg/dag. Doseringene kan i vanskelige tilfeller også bli forhøyet. I mange tilfeller er det imidlertid tilstrekkelig også med lavere doser. Disse angivelsene viser til en voksen person på ca. 75 kg kroppsvekt. The compounds can be used alone or mixed with physiologically acceptable excipients or carriers as pharmaceuticals. They can be used for this purpose in oral doses from 0.01-25.0 mg/kg/day, preferably 0.01-5.0 mg/kg/day or parenterally in doses from 0.001-5 mg/kg/day , preferably 0.001-2.5 mg/kg/day, especially 0.005-1.0 mg/kg/day. The dosages can also be increased in difficult cases. In many cases, however, lower doses are also sufficient. These specifications refer to an adult person of approx. 75 kg body weight.

Oppfinnelsen omfatter videre anvendelse av forbindelsene ifølge oppfinnelsen ved fremstilling av legemidler, som kan bli anvendt til behandling og profylakse av de foranstående nevnte stoffskifteforstyrrelsene. The invention further comprises the use of the compounds according to the invention in the preparation of pharmaceuticals, which can be used for the treatment and prophylaxis of the metabolic disorders mentioned above.

En videre gjenstand ved oppfinnelsen er legemidler, som inneholder en eller flere forbindelser ifølge oppfinnelsen med formel I og/eller deres fysiologisk godtagbare salter. A further object of the invention are pharmaceuticals, which contain one or more compounds according to the invention with formula I and/or their physiologically acceptable salts.

Legemidlene blir fremstilt på i og for seg kjente måter som er enkle for en person med kunnskap innenfor fagområdet. Som legemidler blir de farmakologisk virksomme forbindelsene ifølge oppfinnelsen (= virkestoff) anvendt enten slik de er eller fortrinnsvis i kombinasjon med egnede farmasøytiske hjelpe- eller bærestoffer i form av tabletter, dragéer, kapsler, suppositorier, emulsjoner, suspensjoner eller oppløsninger, der virkestoffinnholdet utgjør inntil 95$, fortrinnsvis mellom 10 og 75$. The medicines are produced in known ways which are easy for a person with knowledge in the field. As pharmaceuticals, the pharmacologically active compounds according to the invention (= active substance) are used either as they are or preferably in combination with suitable pharmaceutical excipients or carriers in the form of tablets, dragees, capsules, suppositories, emulsions, suspensions or solutions, where the active substance content is up to 95$, preferably between 10 and 75$.

Egnede hjelpe- hhv. bærestoffer til de ønskede legemiddel-formuleringene er f.eks. ved siden av oppløsningsmidler, geldannere, suppositoriegrunnlag, tabletthjelpestoffer og andre virkestoffbærere også antioksidanter, dispergerings-midler, emulgatorer, skummidler, smakskorrigerere, konser-veringsmidler, oppløsningsformidlere og fargestoffer. Suitable auxiliary or carriers for the desired drug formulations are e.g. in addition to solvents, gel formers, suppository bases, tablet excipients and other active substance carriers, also antioxidants, dispersants, emulsifiers, foaming agents, flavor correctors, preservatives, solubilizers and dyes.

Virkestoffene kan bli anvendt oralt, parenteralt eller rektalt. The active substances can be used orally, parenterally or rectally.

De aktive forbindelsene blir blandet med de dertil egnede tilsatsstoffene som bærestoffer, stabilisatorer eller inerte fortynningsmidler og brakt med vanlige metoder til egnede administreringsformer, som tabletter, dragéer, stikkapsler, vandige alkoholiske eller oljeaktige suspensjoner eller vandige eller oljeaktige oppløsninger. Som inerte bærestoffer kan det f.eks. bli anvendt gummi arabicum, magnesia, magnesiumkarbonat, kaliumfosfat, melkesukker, glukose eller stivelse, spesielt maisstivelse. The active compounds are mixed with the appropriate additives such as carriers, stabilizers or inert diluents and brought by usual methods into suitable administration forms, such as tablets, dragees, suppositories, aqueous alcoholic or oily suspensions or aqueous or oily solutions. As inert carriers, it can e.g. be used gum arabic, magnesia, magnesium carbonate, potassium phosphate, milk sugar, glucose or starch, especially corn starch.

Videre kan tilberedningen foregå både som tørr- og også som fuktgranulat. Som oljeaktige bærestoffer eller oppløsnings-midler- er det f.eks. aktuelt med plante- eller animalske oljer, som solsikkeolje eller levertran. Furthermore, the preparation can take place both as dry and also as moist granules. As oily carriers or solvents, there are e.g. applicable with vegetable or animal oils, such as sunflower oil or cod liver oil.

Til subkutan eller intravenøs anvendelse blir de aktive forbindelsene eventuelt anvendt med de egnede substansene som oppløsningsformidlere, emulgatorer eller ytterligere hjelpestoffer i oppløsning, suspensjon eller emulsjon. Som oppløsningsmiddel er det f.eks. aktuelt med fysiologisk koksaltoppløsning eller alkoholer, f.eks. etanol, propanol, glyserin, ved siden av sukkeroppløsninger som glukose- eller mannittoppløsninger, eller også en blanding av de forskjellige nevnte oppløsningsmidlene. For subcutaneous or intravenous use, the active compounds are optionally used with the appropriate substances such as dissolution agents, emulsifiers or further auxiliaries in solution, suspension or emulsion. As a solvent, there is e.g. applicable with physiological saline solution or alcohols, e.g. ethanol, propanol, glycerine, next to sugar solutions such as glucose or mannitol solutions, or also a mixture of the various solvents mentioned.

I det etterfølgende blir oppfinnelsen nærmere forklart ved hjelp av eksempler. In what follows, the invention is explained in more detail by means of examples.

Generell beskrivelse av fremstilling av forbindelsene. General description of the preparation of the compounds.

1 mmol pyridin-4-karboksylsyreamid-2-karboksylsyremetylester (IV) blir oppløst i 30 ml mettet metanolisk ammoniakkopp-løsning og omrørt i 2 timer ved romtemperatur. Oppløsningen blir inndampet og resten omrørt med diisopropyleter og suget av. 1 mmol of pyridine-4-carboxylic acid amide-2-carboxylic acid methyl ester (IV) is dissolved in 30 ml of saturated methanolic ammonia solution and stirred for 2 hours at room temperature. The solution is evaporated and the residue stirred with diisopropyl ether and suctioned off.

Eksempel 1 Example 1

Pyridin-4-karboksylsyre-etylamid-2-karboksylsyreamid. Pyridine-4-carboxylic acid-ethylamide-2-carboxylic acid amide.

Frysepunkt: 197"C. Freezing point: 197"C.

Eksempel 2 Example 2

Pyridin-4-karboksylsyre-N-morfolinamid-2-karboksylsyreamid Frysepunkt: 128°C. Pyridine-4-carboxylic acid-N-morpholinamide-2-carboxylic acid amide Freezing point: 128°C.

Eksempel 3 Example 3

Pyridin-4-karboksylsyre-dietylamid-2-karboksylsyreamid Pyridine-4-carboxylic acid-diethylamide-2-carboxylic acid amide

Olje, MS = 222 (M + H<+>) molmasse C11H15N302 (221) Oil, MS = 222 (M + H<+>) molar mass C11H15N302 (221)

Eksempel 4 Example 4

Pyr idin-4-karboksyl syre-(2-metoksyetyl)-amid-2-karboksyl-syreamid. Pyridine-4-carboxylic acid-(2-methoxyethyl)-amide-2-carboxylic acid amide.

Frysepunkt: 116-120°C Freezing point: 116-120°C

Eksempel 5 Example 5

Pyr i din-5-karboksyl syre - (3-metoksypropyl )-amid-2-karboksyl-syreamid Pyr in din-5-carboxylic acid - (3-methoxypropyl)-amide-2-carboxylic acid amide

Frysepunkt: 149°C Freezing point: 149°C

Eksempel 6 Example 6

Pyr i d i n - 4 -karboksyl syre-(3-hydroksypropyl)-amid-2-karboksyl-syreamid Pyridine-4-carboxylic acid-(3-hydroxypropyl)-amide-2-carboxylic acid amide

Frysepunkt: 154-156°C Freezing point: 154-156°C

Eksempel 7 Example 7

Pyridin-4-karboksylsyre-(alanyl)-amld-2-karboksylsyreamid Frysepunkt: 124 - 125°C Pyridine-4-carboxylic acid-(alanyl)-amld-2-carboxylic acid amide Freezing point: 124 - 125°C

Eksempel 8 Example 8

Pyr i din-4-karboksyl syre - ( 0-benzyl al anyl)-amid-2-karboksyl-syreamid. Pyr in din-4-carboxylic acid - (O-benzyl al anyl)-amide-2-carboxylic acid amide.

Frysepunkt: 138-140°C. Freezing point: 138-140°C.

Claims (3)

1. Pyridin-2,4- og 2,5-dikarboksylsyrediamid, karakterisert ved formel (I): der R<1> betyr C^-Cfc-glkyl, som kan være usubstituert eller substituert med hydroksy, karboksyl, alkoksy, fenylalkoksykarbonyl, der alkylresten inneholder 1-4 C-atomer, og R<2> betyr hydrogen eller R<1>, der R<1> og R<2> er identiske eller forskjellige, eller der restene R<1> og R<2> sammen med nitrogen danner en rest med formel så vel som fysiologisk godtagbare salter.1. Pyridine-2,4- and 2,5-dicarboxylic acid diamide, characterized by formula (I): there R<1> means C 1 -C 6 -glkyl, which may be unsubstituted or substituted with hydroxy, carboxyl, alkoxy, phenyl alkoxycarbonyl, where the alkyl residue contains 1-4 C atoms, and R<2> means hydrogen or R<1>, where R<1> and R<2> are identical or different, or where the residues R<1> and R<2> together with nitrogen form a residue of formula as well as physiologically acceptable salts. 2. Legemiddel, karakterisert ved at det inneholder en forbindelse med formel (I) med godtagbare farmasøytiske bærere.2. Medicine, characterized in that it contains a compound of formula (I) with acceptable pharmaceutical carriers. 3. Anvendelse av en forbindelse med formel (I) for fremstilling av et preparat for påvirkning av stoffskifte til kollagen og kollagenlignende stoffer hhv. biosyntese av Clq.3. Use of a compound of formula (I) for the production of a preparation for influencing the metabolism of collagen and collagen-like substances or biosynthesis of Clq.
NO921025A 1991-03-18 1992-03-17 Pyridine-2,4- and 2,5-dicarboxylic acid diamides and the use of the same, as well as drugs based on these compounds NO178859C (en)

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DE3703959A1 (en) * 1987-02-10 1988-08-18 Hoechst Ag PYRIDINE-2,4- AND 2,5-DICARBONIC ACID AMIDES, METHOD FOR THE PRODUCTION THEREOF, USE OF THE SAME AND MEDICINAL PRODUCTS BASED ON THESE COMPOUNDS
ATE113036T1 (en) * 1988-08-04 1994-11-15 Hoechst Ag IMPROVED PROCESS FOR THE PRODUCTION OF N,N-BIS(ALKOXYALKYL)-PYRIDINE-2,4-DICARBONIC DIAMIDES.
DE3924093A1 (en) * 1989-07-20 1991-02-07 Hoechst Ag N, N'-BIS (ALKOXY-ALKYL) -PYRIDINE-2,4-DICARBONESAUREDIAMIDES, METHOD FOR THE PRODUCTION AND USE THEREOF
DE3928144A1 (en) * 1989-08-25 1991-02-28 Hoechst Ag CYCLIC PYRIDINE-2,4- AND -2,5-DICARBONIC ACIDEDIAMIDES, METHOD FOR THE PRODUCTION AND USE THEREOF
DE3938805A1 (en) * 1989-11-23 1991-05-29 Hoechst Ag PYRIDINE-2,4- AND 2,5-DICARBONIC ACID DIAMOND, METHOD FOR THE PRODUCTION AND USE THEREOF
DE4030999A1 (en) * 1990-10-01 1992-04-09 Hoechst Ag 4- OR 5-SUBSTITUTED PYRIDINE-2-CARBONIC ACIDS, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE AS A MEDICINAL PRODUCT

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ATE154929T1 (en) 1997-07-15
AU645668B2 (en) 1994-01-20
GR3024309T3 (en) 1997-10-31
DE59208651D1 (en) 1997-08-07
EP0504799A1 (en) 1992-09-23
NO921025D0 (en) 1992-03-17
NO921025L (en) 1992-09-21
NZ241968A (en) 1994-04-27
FI921119A (en) 1992-09-19
TW199147B (en) 1993-02-01
IE920843A1 (en) 1992-09-23
DK0504799T3 (en) 1998-02-02
CZ282298B6 (en) 1997-06-11
YU24692A (en) 1994-06-24
ES2104758T3 (en) 1997-10-16
YU48156B (en) 1997-05-28
NO178859C (en) 1996-06-19
EP0504799B1 (en) 1997-07-02
CA2063177A1 (en) 1992-09-19
HU217809B (en) 2000-04-28
HRP940835A2 (en) 1997-06-30
AU1296792A (en) 1992-09-24

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