WO2005063244A1 - Acidic quinoline derivatives and their use for the prevention and/or treatment of hyperglycaemia-related pathologies - Google Patents
Acidic quinoline derivatives and their use for the prevention and/or treatment of hyperglycaemia-related pathologies Download PDFInfo
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- WO2005063244A1 WO2005063244A1 PCT/EP2004/013662 EP2004013662W WO2005063244A1 WO 2005063244 A1 WO2005063244 A1 WO 2005063244A1 EP 2004013662 W EP2004013662 W EP 2004013662W WO 2005063244 A1 WO2005063244 A1 WO 2005063244A1
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- fluoroquinoline
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- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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- 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
- A61K31/47—Quinolines; Isoquinolines
- A61K31/472—Non-condensed isoquinolines, e.g. papaverine
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- 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
- A61K31/47—Quinolines; Isoquinolines
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- 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
- A61K31/47—Quinolines; Isoquinolines
- A61K31/4709—Non-condensed quinolines and containing further heterocyclic rings
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- A—HUMAN NECESSITIES
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- A61P25/00—Drugs for disorders of the nervous system
- A61P25/02—Drugs for disorders of the nervous system for peripheral neuropathies
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- A61P3/00—Drugs for disorders of the metabolism
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- A—HUMAN NECESSITIES
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/04—Anorexiants; Antiobesity agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/06—Antihyperlipidemics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
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- 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
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- 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
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- 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
- A61P9/12—Antihypertensives
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- 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
- A61P9/14—Vasoprotectives; Antihaemorrhoidals; Drugs for varicose therapy; Capillary stabilisers
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms 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
- C07D215/48—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
Definitions
- the present invention relates to the use of quinoline derivatives in the treatment of pathologies associated with hyperglycaemia and/or insulin resistance syndrome, in particular non-insulin-dependent diabetes or type II diabetes.
- Kynurenines represent the main pathway of tryptophan metabolism.
- T.W. Stone et al. have put forward the hypothesis of the possible roles of kynurenines in diabetes (T.W. Stone et al., Nature Reviews, vol. 1, August 2002, pp. 609- 620), without, however, suggesting the use of quinoline derivatives as anti- diabetic agents.
- D. Edmont et al. have described the antidiabetic effect of 2-car- boxyguanidine derivatives of quinoline (D.
- the present invention relates to the use of derivatives of the general formula (I) below for manufacturing a medicament for the prevention of and/or treating hyperglycaemia-related pathologies:
- -O-alkylaryl heterocycloalkyl
- -NRR' -OH, -S(0) p R, in which p represents 0, 1 or 2
- R and R' are chosen from H and alkyl; represents a single bond or a double bond and also the tautomeric forms, enantiomers, diastereoisomers and epimers, and the pharmaceutically acceptable salts.
- each of the X represents a carbon atom; preferably, each of the X represents a carbon atom optionally substituted by a halogen atom; preferably, the carbon in position 6 of the quinoline ring is substituted by a halogen atom, preferably fluorine;
- R1 represents alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, alkylaryl, aryl or heteroaryl, which are optionally substituted, as defined hereinabove or hereinbelow.
- R1 represents alkyl or alkenyl, which are optionally substituted, as defined hereinabove or hereinbelow.
- R2 represents a hydrogen atom or an alkyl group, preferably methyl.
- R and R' represent a hydrogen atom or a methyl or ethyl radical.
- the compounds of the formula (I) are represented by the general formula (II) below:
- R3 and R4 which may be identical or different, independently represent groups chosen from alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, alkylaryl, heteroaryl, -CN, halogen, -O-aryl, -O-heteroaryl, cycloalkyl, heterocyclyl, -C0 2 H,
- R3 and R4 may together also form a heterocycle adjacent to the phenyl ring, and also the tautomeric forms, enantiorners, diastereoisomers and epimers, and the pharmaceutically acceptable salts.
- R3 and R4 represent H, -O-alkyl and/or a halogen atom, preferably halogen in position 6; preferably, R3 and/or R4 represent(s) fluorine or H. If R3 and R4 together form a heterocycle adjacent to the phenyl ring, they may especially represent the ring -0-(CH 2 ) n -0-, n being an integer ranging from 1 to 4.
- R " represents -OH, alkyl, aryl, cycloalkyl, -O-alkyl or -NRR', in which aryl is optionally substituted by -O-alkylaryl, -O-alkyl, alkyl, aryl or halogen;
- ALK represents alkyl optionally substituted by aryl;
- R'" represents H;
- X each represent a carbon atom, optionally substituted by a halogen atom, preferably fluorine; even more preferably in position 6 of the quinoline ring system;
- R2 represents H or an alkyl radical, preferably methyl.
- the compounds of the formula (I) may especially be chosen from: methyl 4-(1 ,3-benzothiazol-2-ylmethoxy)-6-fluoroquinoline-2-carboxylate methyl 4-[(4-bromo-2-fluorobenzyl)oxy]-6-fluoroquinoline-2-carboxylate methyl 4-ethoxy-6-fluoroquinoline-2-carboxylate methyl 4-[(4-bromo-2-fluorobenzyl)oxy]-6-methoxyquinoline-2-carboxylate methyl 6-fluoro-4-[(3-methylbut-2-en-1-yl)oxy]quinoline-2-carboxylate methyl 4-[(2'-cyanobiphenyl-4-yl)methoxy
- the compounds of the formula (I) may be chosen from: - 4-(4-bromo-2-fluorobenzyloxy)-6-fluoroquinoline-2-carboxylic acid - 4-(benzothiazol-2-ylmethoxy)-6-fluoroquinoline-2-carboxylic acid - 4-ethoxy-6-fluoroquinoline-2-carboxylic acid - 4-(4-bromo-2-fluorobenzyloxy)-6-methoxyquinoline-2-carboxylic acid (sodium salt) - 4-( ⁇ (E)-4-[(2-carboxy-6-fluoro-4-quinolinyl)oxy]-2-butenyl ⁇ oxy)-6-fluoro- quinoline-2-carboxylic acid - 6-fluoro-4-(3-methylbut-2-enyloxy)quinoline-2-carboxylic acid - 4-(2'-cyanobiphenyl-4-ylmethoxy)-6-fluoroquinoline-2-carboxylic
- the alkyl radicals represent saturated hydrocarbon-based radicals in a straight or branched chain of 1 to 20 carbon atoms and preferably of 1 to 5 carbon atoms. If they are linear, mention may be made especially of methyl, ethyl, propyl, butyl, pentyl, hexyl, octyl, nonyl, decyl, dodecyl, hexadecyl and octadecyl radicals.
- alkyl radicals are branched or substituted by one or more alkyl radicals, mention may be made especially of isopropyl, tert-butyl, 2-ethyIhexyl, 2-methylbutyl, 2- methylpentyl, 1-methylpentyl and 3-methylheptyl radicals.
- the alkoxy radicals according to the present invention are radicals of the formula -O-alkyl, the alkyl being as defined above.
- halogen atoms mention is made more particularly of fluorine, chlorine, bromine and iodine atoms, preferably fluorine.
- the alkenyl radicals represent hydrocarbon-based radicals in a straight or linear chain, and comprise one or more ethylenic unsaturations.
- alkenyl radicals that may especially be mentioned are ally! or vinyl radicals.
- the alkynyl radicals represent hydrocarbon-based radicals in a straight or linear chain, and comprise one or more acetylenic unsaturations.
- alkynyl radicals mention may be made especially of acetylene.
- the cycloalkyl radical is a mono-, bi- or tricyclic, saturated or partially un- saturated, non-aromatic hydrocarbon-based radical of 3 to 10 carbon atoms, such as, especially, cyclopropyl, cyclopentyl, cyclohexyl or adamantyl, and also the corresponding rings containing one or more unsaturations.
- Aryl denotes a mono- or bicyclic hydrocarbon-based aromatic system of 6 to
- alkyl radicals that may especially be mentioned are the phenyl or naphthyl radical, more particularly substituted by at least one halogen atom.
- alkylaryl radicals that may especially be mentioned are the benzyl or phenethyl radical.
- the heteroaryl radicals denote mono- or bicyclic aromatic systems of 5 to 10 carbon atoms, comprising one or more hetero atoms chosen from nitrogen, oxygen and sulfur.
- heteroaryl radicals that may be mentioned are pyrazinyl, thienyl, oxazolyl, furazanyl, pyrrolyl, 1 ,2,4-thiadiazolyl, naphthyridinyl, pyridazinyl, quinoxalinyl, phthalazinyl, imidazo[1,2-a]pyridyl, imidazo[2,1-b]thiazo- lyl, cinnolinyl, triazinyl, benzofurazanyl, azaindolyl, benzimidazolyl, benzothienyl, thienopyridyl, thienopyrimidinyl, pyrrolopyridyl, imidazopyridyl, benzazaindolyl, 1 ,2,4-triazinyl, benzothiazolyl, furanyl, imidazolyl, indolyl, triazolyl, te
- the preferred heteroaryl groups comprise thienyl, pyrrolyl, quinoxalinyl, furanyl, imidazolyl, indolyl, isoxazolyl, isothiazolyl, pyrazinyl, pyridazinyl, pyrazolyl, pyridyl, pyrimidinyl, quinazolinyl, quinolyl, thiazolyl, carbazolyl and thiadiazolyl, and groups derived from fusion with a phenyl nucleus, and more particularly quinolyl, carbazolyl and thiadiazolyl.
- heterocycloalkyl radicals denote mono- or bicyclic, saturated or partially unsaturated, non-aromatic systems of 5 to 10 carbon atoms, comprising one or more hetero atoms chosen from N, O and S.
- heterocycloalkyls that may especially be mentioned are epoxyethyl, oxiranyl, aziridinyl, tetrahydro- furanyl, dioxolanyl, pyrrolidinyl, pyrazolidinyl, imidazolidinyl, tetrahydrothiophenyl, dithiolanyl, thiazolidinyl, tetrahydropyranyl, dioxanyl, morpholinyl, piperidyl, piperazinyl, tetrahydrothiopyranyl, dithianyl, thiomorpholmyl, dihydrofuranyl, 2- imidazolinyl, 2,3-pyrrolinyl, pyrazolinyl, dihydro
- pharmaceutically acceptable salts refers to the relatively non-toxic mineral and organic acid-addition salts, and the base-addition salts, of the compounds of the present invention. These salts can be prepared in situ during the final isolation and purification of the compounds.
- the acid- addition salts can be prepared by separately reacting the purified compound in its purified form with an organic or mineral acid and isolating the salt thus formed.
- acid-addition salts are the hydrobromide, hydrochloride, sulfate, bisulfate, phosphate, nitrate, acetate, oxalate, valerate, oleate, palmitate, stearate, laurate, borate, benzoate, lactate, phosphate, tosylate, citrate, rnaleate, fumarate, succinate, tartrate, naphthylate, mesylate, glucoheptonate, lactobio- nate, sulfamates, malonates, salicylates, propionates, methylenebis-b-hydroxy- naphthoates, gentisic acid, isethionates, di-p-toluoyltartrates, methanesulfonates, ethanesulfonates, benzenesulfonates, p-toluenesulfonates, cyclohexyl
- the acid-addition salts can also be prepared by separately reacting the purified compound in its acid form with an organic or mineral base and isolating the salt thus formed.
- the acid-addition salts include amine salts and metal salts.
- the suitable metal salts include the sodium, potassium, calcium, barium, zinc, magnesium and aluminium salts. The sodium and potassium salts are preferred.
- the suitable mineral base-addition salts are prepared from metallic bases including sodium hydride, sodium hydroxide, potassium hydroxide, calcium hydroxide, aluminium hydroxide, lithium hydroxide, magne- sium hydroxide and zinc hydroxide.
- the suitable amine base-addition salts are prepared from amines whose basicity is sufficient to form a stable salt, and preferably include amines that are often used in medicinal chemistry on account of their low toxicity and their acceptability for medical use: ammonia, ethylene- diamine, N-methylglucamine, lysine, arginine, omithine, choline, N,N'-dibenzyl- ethylenediamine, chloroprocaine, diethanolamine, procaine, N-benzyl-phenethyl- amine, diethylamine, piperazine, tris(hydroxymethyl)aminomethane, tetrameti yl- ammonium hydroxide, triethylamine, di
- the invention also relates to the tautomeric forms, enantiomers, diastereoisomers, epimers and organic or mineral salts of the compounds of the general formula (I).
- the compounds of the invention of the formula (I) as defined above containing a sufficiently acidic function or a sufficiently basic function, or both, can include the corresponding pharmaceutically acceptable salts of an organic or mineral acid or of an organic or mineral base.
- the compounds of the general formula (I) can be prepared by application or adaptation of any method known per se and/or within the capacity of a person skilled in the art, especially those described by Larock in Comprehensive Organic Transformations, VCH Pub., 1989, or by application or adaptation of the processes described in the examples that follow, or alternatively, more particularly, according to the following method described in Bioorganic & Medicinal Chemistry Letters 10(16), 2000, 1831-34:
- Compound (1 ) is condensed with the acetylenedicarboxylate by heating in alcoholic medium, preferably in methanol.
- Compound (2) obtained is cyclized at reflux in a solvent, such as diphenyl ether or Dowtherm A.
- Compound (3) obtained is O-alkylated in alkaline medium, preferably in DMF in the presence of potassium carbonate at 50°C, and the ester (4) obtained is then saponified, preferably with caustic soda in alcoholic medium.
- the compounds of the formula (I) for which R2 is other than H are then obtained by esterification of (4) with the corresponding alcohol R2-OH.
- the present invention thus also relates to the process for the preparation of the compounds of the formula (III) described above, comprising the step consisting in reacting a compound of the formula (3)
- R1 -Hal in which Hal represents a halogen atom, and R1 is as defined above, in a suitable organic solvent, in alkaline medium, at a temperature of between room temperature and the boiling point of the solvent, and optionally, if R2 is other than methyl, the step consisting in saponifying the product obtained, in an alcoholic solvent, in the presence of a base, optionally followed, if R2 is other than H, by the step consisting in esterifying the product obtained with a corresponding alcohol of the formula R2-OH, in which R2 is as defined above, in an alcoholic sol- vent, in acidic medium.
- the said process may also include the step consisting in isolating the product obtained.
- the compounds can be recovered by distilling the solvent from the reaction mixture or, if necessary, after distilling off the solvent from the mixture of the solution, pouring the remainder into water, followed by extraction with a water-immiscible organic solvent, and distilling the solvent from the extract.
- the product can also be purified, if so desired, by various techniques, such as recrystallization, reprecipitation or various chromatographic techniques, especially column chromatography or preparative thin-layer chromatography.
- the compounds that are useful according to the present invention may contain asymmetric centres. These asymmetric centres can be, independently, of R or S configuration. It will be apparent to a person skilled in the art that certain compounds that are useful according to the invention may also exhibit geometrical isomerism.
- the present invention includes individual geometrical isomers and stereoisomers, and mixtures thereof, including racemic mixtures, of compounds of the formula (I) above.
- Isomers of this type can be separated from their mixtures by application or adaptation of known processes, for example chromatography techniques or re- crystallization techniques, or they are prepared separately from suitable isomers of their intermediates.
- the tautomeric forms are included in the citation of a given group, for example thio/mercapto or oxo/hydroxyl.
- the acid-addition salts are formed with the compounds that are useful according to the invention in which a basic function, such as an amino, alkyl- amino or dialkylamino group is present.
- the pharmaceutically acceptable, i.e. non-toxic, acid-addition salts are preferred.
- the selected salts are optimally chosen so as to be compatible with the usual pharmaceutical vehicles and suitable for oral or parenteral administration.
- the acid-addition salts of the compounds that are useful according to the present invention can be prepared by reacting the free base with the appropriate acid, by application or adaptation of known processes.
- the acid-addition salts of the compounds that are useful according to the present invention can be prepared either by dissolving the free base in water or in a basified aqueous solution or suitable solvents containing the appropriate acid, and isolating the solvent by evaporating the solution, or by reacting the free base and the acid in an organic solvent, in which case the salt separates out directly or can be obtained by concentrating the solution.
- the acid-addition salts of the compounds that are useful according to the present invention can be regenerated from the salts by application or adaptation of known processes.
- the parent compounds that are useful according to the invention can be regenerated from their acid-addition salts by treatment with an alkali, for example aqueous sodium bicarbonate solution or aqueous ammonia solution.
- the compounds that are useful according to the present invention can be regenerated from their base-addition salts by application or adaptation of known processes.
- the parent compounds that are useful according to the invention can be regenerated from their base-addition salts by treatment with an acid, for example hydrochloric acid.
- the base-addition salts can be formed if the compound that is useful according to the invention contains a carboxyl group, or a sufficiently acidic bio- isostere.
- the bases that can be used to prepare the base-addition salts prefera- bly include those that produce, if they are combined with a free acid, pharmaceutically acceptable salts, i.e. salts whose cations are not toxic to the patient in the pharmaceutical doses of the salts, such that the beneficial inhibitory effects intrinsic to the free base are not negated by the side effects attributable to the cations.
- the pharmaceutically acceptable salts include those derived from the following bases: sodium hydride, sodium hydroxide, potassium hydroxide, calcium hydroxide, aluminium hydroxide, lithium hydroxide, magnesium hydroxide, zinc hydroxide, ammonia, ethylenediamine, N-methylglucamine, lysine, arginine, omithine, choline, N.N'-dibenzylethylenediamine, chloroprocaine, diethanolamine, procaine, N-benzylphenethylamine, diethylamine, piperazine, tris(hydroxymethyl)aminomethane, tetramethylammonium hydroxide and the like.
- the compounds that are useful according to the present invention can be readily prepared, or formed during the process of the invention, in the form of sol- vates (for example hydrates).
- the hydrates of the compounds that are useful according to the present invention can be readily prepared by recrystallization of an aqueous/organic solvent mixture, using organic solvents, such as dioxane, tetrahydrofuran or methanol.
- the basic products or the intermediates can be prepared by application or adaptation of known processes, for example processes as described in the Reference Examples or obvious chemical equivalents thereof.
- the compounds of the formula (I) have hypoglycaemiant activity. They can reduce hyperglycaemia, more particularly the hyperglycaemia of non-insulin-dependent diabetes. Insulin resistance is characterized by a reduction in the action of insulin (cf.
- NIDDM non-insulin- dependent diabetes
- dyslipidaemia a malignant neoplasm originating from a large number of pathological conditions
- obesity a malignant neoplasm originating from a large number of pathological conditions
- microvascular and macrovascular complications for instance atherosclero- sis, arterial hypertension, inflammatory processes, macroangiopathy, micro- angiopathy, retinopathy and neuropathy.
- atherosclero- sis for instance atherosclero- sis, arterial hypertension, inflammatory processes, macroangiopathy, micro- angiopathy, retinopathy and neuropathy.
- the compounds of the invention show strong anti-hyper- glycaemic activity.
- the compounds of the formula (I) are thus useful in the treatment of hyper- glycaemia-related pathologies.
- the present invention also relates to the use of compounds of the general formula (I) for the preparation of pharmaceutical compositions for the prevention of and/or treating hyperglycaemia-related pathologies, more particularly diabetes.
- the pharmaceutical compositions according to the invention can be presented in forms intended for parenteral, oral, rectal, permucous or percutaneous administration.
- water, aqueous solutions, physiological saline and iso- tonic solutions are the vehicles most appropriately used.
- the dosage can vary within wide ranges (0.5 mg to 1000 mg) according to the therapeutic indication and the route of administration, and also to the age and weight of the patient.
- Example 1 4-Ethoxy-6-fluoroquinoline-2-carboxylic acid - 2-(4-Fluorophenylamino)but-2-enedioic acid dimethyl ester: 50 ml (0.51 M) of 4-fluoroaniline (at 98%) are introduced into 500 ml of anhydrous methanol, followed by dropwise addition of 70.5 ml (0.56 M) of methyl acetylenedicarboxylate (at 98%). The reaction mixture is heated at 55°C with stirring for 3 hours, and then evaporated under reduced pressure. The residue is purified by evolution through silica. 1 13.2 g of yellow oil are obtained.
- C corresponds to the concentration of test compound according to the invention INS.
- SEC. corresponds to the percentage of insulin secretion.
- the antidiabetic activity of the compounds of the formula (I) via the oral route, on an experimental model of non-insulin-dependent diabetes induced in rats by means of steptozotocin was determined as follows.
- the model of non-insulin-dependent diabetes is obtained in the rats by means of a neonatal injection (on the day of birth) of steptozotocin.
- the diabetic rats used are eight weeks old.
- the animals are housed, from the day of birth to the day of the experiment, in an animal house at a regulated temperature of 21 to 22°C and subjected to a fixed cycle of light (from 7 a.m. to 7 p.m.) and darkness (from 7 p.m. to 7 a.m.).
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MXPA06007082A MXPA06007082A (en) | 2003-12-24 | 2004-12-01 | Acidic quinoline derivatives and their use for the prevention and/or treatment of hyperglycaemia-related pathologies. |
JP2006545961A JP4861828B2 (en) | 2003-12-24 | 2004-12-01 | Acid quinoline derivatives and their use for prevention and / or treatment of conditions associated with hyperglycemia |
AU2004308578A AU2004308578B2 (en) | 2003-12-24 | 2004-12-01 | Acidic quinoline derivatives and their use for the prevention and/or treatment of hyperglycaemia-related pathologies |
DE602004012770T DE602004012770T2 (en) | 2003-12-24 | 2004-12-01 | ACID CHINOLIN DERIVATIVES AND THEIR USE FOR THE PREVENTION AND / OR TREATMENT OF DISEASES RELATED TO HYPERGLYCEMIA |
BRPI0417140-3A BRPI0417140A (en) | 2003-12-24 | 2004-12-01 | quinoline acid derivatives and their use in the prevention and / or treatment of disorders related to hyperglycemia |
US10/584,151 US7470708B2 (en) | 2003-12-24 | 2004-12-01 | Acidic quinoline derivatives and their use for the prevention and/or treatment of hyperglycaemia-related pathologies |
EP04803419A EP1696924B1 (en) | 2003-12-24 | 2004-12-01 | Acidic quinoline derivatives and their use for the prevention and/or treatment of hyperglycaemia-related pathologies |
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FR0315402A FR2864535B1 (en) | 2003-12-24 | 2003-12-24 | QUINOLINE ACID DERIVATIVES AND THEIR THERAPEUTIC APPLICATIONS |
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EP (1) | EP1696924B1 (en) |
JP (1) | JP4861828B2 (en) |
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WO2010110689A1 (en) * | 2009-03-23 | 2010-09-30 | Andrzej Marciniak | A novel medical use of kynurenic acid, its precursors and derivatives |
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GB0506133D0 (en) * | 2005-03-24 | 2005-05-04 | Sterix Ltd | Compound |
AU2009243006B2 (en) * | 2008-05-01 | 2013-03-21 | Sirtris Pharmaceuticals, Inc. | Quinolines and related analogs as sirtuin modulators |
US8450369B1 (en) * | 2011-08-02 | 2013-05-28 | CIP Kemicals, Corp. | Hypoglycemic oral drug for treating non-insulin dependent and insulin dependent diabetes |
US8877811B1 (en) | 2011-08-02 | 2014-11-04 | CIP Kemicals, Corp. | Hypoglycemic oral drug for treating non-insulin dependent and insulin dependent diabetes |
CN115124462B (en) * | 2022-07-22 | 2023-08-22 | 浙江工业大学 | 2, 3-dimethyl-6, 8-difluoro quinoline-4-ether compound and preparation method and application thereof |
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- 2003-12-24 FR FR0315402A patent/FR2864535B1/en not_active Expired - Fee Related
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- 2004-12-01 AT AT04803419T patent/ATE390136T1/en not_active IP Right Cessation
- 2004-12-01 AU AU2004308578A patent/AU2004308578B2/en not_active Ceased
- 2004-12-01 ES ES04803419T patent/ES2302058T3/en active Active
- 2004-12-01 BR BRPI0417140-3A patent/BRPI0417140A/en not_active IP Right Cessation
- 2004-12-01 JP JP2006545961A patent/JP4861828B2/en not_active Expired - Fee Related
- 2004-12-01 KR KR1020067012375A patent/KR20060123369A/en not_active Application Discontinuation
- 2004-12-01 US US10/584,151 patent/US7470708B2/en not_active Expired - Fee Related
- 2004-12-01 WO PCT/EP2004/013662 patent/WO2005063244A1/en active IP Right Grant
- 2004-12-01 CN CNA2004800375844A patent/CN1893949A/en active Pending
- 2004-12-01 MX MXPA06007082A patent/MXPA06007082A/en not_active Application Discontinuation
- 2004-12-01 RU RU2006126781/15A patent/RU2006126781A/en not_active Application Discontinuation
- 2004-12-01 DE DE602004012770T patent/DE602004012770T2/en active Active
- 2004-12-01 EP EP04803419A patent/EP1696924B1/en active Active
- 2004-12-01 CA CA2551227A patent/CA2551227C/en not_active Expired - Fee Related
- 2004-12-22 AR ARP040104837A patent/AR046980A1/en not_active Application Discontinuation
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Cited By (1)
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---|---|---|---|---|
WO2010110689A1 (en) * | 2009-03-23 | 2010-09-30 | Andrzej Marciniak | A novel medical use of kynurenic acid, its precursors and derivatives |
Also Published As
Publication number | Publication date |
---|---|
EP1696924B1 (en) | 2008-03-26 |
ZA200606065B (en) | 2007-12-27 |
DE602004012770T2 (en) | 2009-04-09 |
DE602004012770D1 (en) | 2008-05-08 |
EP1696924A1 (en) | 2006-09-06 |
MXPA06007082A (en) | 2006-08-23 |
US7470708B2 (en) | 2008-12-30 |
FR2864535B1 (en) | 2006-12-22 |
KR20060123369A (en) | 2006-12-01 |
BRPI0417140A (en) | 2007-02-21 |
JP4861828B2 (en) | 2012-01-25 |
AU2004308578B2 (en) | 2010-11-11 |
AR046980A1 (en) | 2006-01-04 |
CN1893949A (en) | 2007-01-10 |
ATE390136T1 (en) | 2008-04-15 |
US20070149566A1 (en) | 2007-06-28 |
RU2006126781A (en) | 2008-01-27 |
CA2551227A1 (en) | 2005-07-14 |
CA2551227C (en) | 2013-03-12 |
FR2864535A1 (en) | 2005-07-01 |
AU2004308578A1 (en) | 2005-07-14 |
JP2007516986A (en) | 2007-06-28 |
ES2302058T3 (en) | 2008-07-01 |
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