EP1562892A1 - Nouveaux derives de dihydroxymethylphenyle, procedes pour leur preparation, et utilisation desdits derives comme medicament - Google Patents

Nouveaux derives de dihydroxymethylphenyle, procedes pour leur preparation, et utilisation desdits derives comme medicament

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Publication number
EP1562892A1
EP1562892A1 EP03773711A EP03773711A EP1562892A1 EP 1562892 A1 EP1562892 A1 EP 1562892A1 EP 03773711 A EP03773711 A EP 03773711A EP 03773711 A EP03773711 A EP 03773711A EP 1562892 A1 EP1562892 A1 EP 1562892A1
Authority
EP
European Patent Office
Prior art keywords
methyl
compounds
ethyl
formula
alkyl
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Withdrawn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
EP03773711A
Other languages
German (de)
English (en)
Inventor
Thierry Bouyssou
Frank Buettner
Ingo Konetzki
Sabine Pestel
Andreas Schnapp
Hermann Schollenberger
Kurt Schromm
Claudia Heine
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.)
Boehringer Ingelheim Pharma GmbH and Co KG
Original Assignee
Boehringer Ingelheim Pharma GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Boehringer Ingelheim Pharma GmbH and Co KG filed Critical Boehringer Ingelheim Pharma GmbH and Co KG
Publication of EP1562892A1 publication Critical patent/EP1562892A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
    • C07C215/46—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
    • C07C215/56—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by hydroxy groups
    • C07C215/58—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by hydroxy groups with hydroxy groups and the six-membered aromatic ring, or the condensed ring system containing that ring, bound to the same carbon atom of the carbon chain
    • C07C215/60—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by hydroxy groups with hydroxy groups and the six-membered aromatic ring, or the condensed ring system containing that ring, bound to the same carbon atom of the carbon chain the chain having two carbon atoms between the amino groups and the six-membered aromatic ring or the condensed ring system containing that ring
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A61P11/16—Central respiratory analeptics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00

Definitions

  • the present invention relates to compounds of general formula 1
  • radicals R 1 , R 2 , R 3 and R 4 can have the meanings given in the claims and in the description, processes for their preparation and their use as medicaments, in particular for the treatment of inflammatory and obstructive respiratory diseases.
  • Betamimetics ( ⁇ -adrenergic substances) are known from the prior art. In this regard, reference is made, for example, to the disclosures of US 4647563, US 4581367, US 4378361, US 4341778, US 3969410 and US 3657244. Betamimetics can be used in a variety of therapeutic areas.
  • beta mimetics which are not only extremely potent but are also characterized by a high degree of selectivity towards the ⁇ 2 adrenoceptor.
  • R 2 , R 3 and R 4 the same or different hydrogen, -C-C alkyl, -OH,
  • R 1 is methyl or ethyl
  • R 2 , R 3 and R 4 identical or different, hydrogen, methyl, ethyl, -OH, methoxy, ethoxy, -CH 2 F, -CH 2 C1, -CH 2 Br, -CH 2 CH 2 F, -CH 2 CH 2 C1, -CH 2 CH 2 Br,
  • R 1 is methyl or ethyl
  • R 2 , R 3 and R 4 identical or different, hydrogen, methyl, ethyl, -OH, methoxy, ethoxy, -CH 2 F, -CH 2 CH 2 F, -CH 2 OH, -CH 2 CH 2 OH, - CH 2 OMethyl, -CH 2 CH 2 OMethyl, -CH 2 OEthyl, -CH 2 CH 2 OEthyl, -CF 3 or -CHF 2 mean.
  • n is 1 or 2, preferably 1;
  • R 1 is methyl or ethyl
  • R 2 , R 3 and R 4 identical or different, denote hydrogen, methyl, ethyl, -OH, methoxy, ethoxy, -CF 3 or -CHF 2 .
  • n 1 or 2, preferably 1;
  • R 1 is methyl or ethyl
  • R 2 , R 3 and R 4 identical or different, denote hydrogen, methyl, ethyl, -OH, or -CF 3 .
  • n is 1 or 2, preferably 1;
  • R 1 is methyl or ethyl;
  • R 2 , R 3 and R 4 identical or different, represent hydrogen, methyl or -OH.
  • R 1 is methyl or ethyl
  • R 2 is hydrogen
  • R 3 and R 4 are identical or different and represent hydrogen, methyl or -OH.
  • the radicals R 2 , R 3 and R 4 can have the same or different meanings.
  • the radicals R 2 , R 3 and R 4 if they are not hydrogen, can each be arranged ortho, meta or para with respect to the linkage to the benzylic “-CH 2 ” group.
  • R 1 is methyl and the radicals R 2 , R 3 and R 4 can have the meanings mentioned above.
  • R 4 can in each case be arranged ortho, meta or para with respect to the linkage to the benzylic “-CH” group. Those compounds in this group in which the radical R has an ortho configuration are preferred.
  • the invention relates to the respective compounds of formula 1, optionally in the form of the individual optical isomers, mixtures of the individual enantiomers or racemates, in the form of the free bases or the corresponding acid addition salts with pharmacologically acceptable acids.
  • salts are selected from the group consisting of hydrochloride, hydrobromide, hydroiodide, hydrosulfate, hydrophosphate, hydromethanesulfonate, hydronitrate, hydromaleate, hydroacetate, hydrobenzoate, hydrocitrate, hydrofumarate, hydrotate and hydratate benzate, p-toluenesulfonate, preferably hydrochloride, hydrobromide, hydrosulfate, hydrophosphate, hydrofumarate and hydromethanesulfonate.
  • the salts of hydrochloric acid, methanesulfonic acid, benzoic acid and acetic acid are particularly preferred according to the invention.
  • the compounds of general formula 1 can optionally be used in the form of the individual optical isomers, mixtures of the individual enantiomers or racemates. If the compounds are used in enantiomerically pure form, the R enantiomers are preferably used.
  • the individual enantiomers of the compounds according to the invention can be obtained from the racemates by methods known in the art (e.g. chromatography on chiral phases etc.).
  • the alkyl groups are branched and unbranched alkyl groups having 1 to 4 carbon atoms. Examples include: methyl, ethyl, propyl or butyl. Abbreviations Me, Et, Prop or Bu may also be used to denote the groups methyl, ethyl, propyl or butyl. Unless otherwise described, the definitions propyl and butyl encompass all conceivable isomeric forms of the respective radicals. For example, propyl includes n-propyl and iso-propyl, butyl includes iso-butyl, sec. Butyl and tert-butyl, etc.
  • alkylene groups are branched and unbranched double-bonded alkyl bridges with 1 to 4 carbon atoms. Examples include: methylene, ethylene, n-propylene or n-butylene.
  • alkyloxy groups (or also -O-alkyl groups) are branched and unbranched alkyl groups with 1 to 4 carbon atoms which are linked via an acidic atom. Examples include: methyloxy, ethyloxy, propyloxy or butyloxy. To designate the groups
  • MeO-, EtO-, PropO- or BuO- are also used where appropriate, methyloxy, ethyloxy, propyloxy or butyloxy.
  • the definitions propyloxy and butyloxy encompass all conceivable isomeric forms of the respective radicals.
  • propyloxy includes n-propyloxy and iso-propyloxy
  • butyloxy includes iso-butyloxy, sec. Butyloxy and tert-butyloxy, etc.
  • alkoxy may also be used instead of the term alkyloxy.
  • methoxy, ethoxy, propoxy or butoxy are also used to designate the groups methyloxy, ethyloxy, propyloxy or butyloxy.
  • Halogen in the context of the present invention is fluorine, chlorine, bromine or iodine. Unless stated otherwise, fluorine and bromine are preferred halogens.
  • the compounds according to the invention can be prepared analogously to procedures already known in the prior art. Suitable manufacturing processes are known, for example, from US 3969410 and US 3657244, to which reference is made here in full.
  • Example 1 4- ⁇ 2-
  • Platinum (IV) oxide is hydrogenated at room temperature and normal pressure.
  • the catalyst is suctioned off and the filtrate is freed from the solvent.
  • the crude product is recrystallized from ethyl acetate, filtered off and washed.
  • Example 3 4- (2-ri.l-dimethyl-2- (2.4.6-trimethyl-phenyl) -ethylaminol-l-hydroxy-ethyl
  • the compounds of general formula 1 are distinguished by a wide range of possible uses in the therapeutic field. To be emphasized are those possible uses for which the compounds of formula 1 according to the invention can preferably be used as beta-mimetics due to their pharmaceutical activity.
  • inflammatory and obstructive respiratory diseases preferably the therapy of asthma or COPD (chronic obstructive pulmonary disease), the inhibition of premature contractions in obstetrics (tocolysis), the restoration of the sinus rhythm in the heart with atrioventricular block, and the elimination of bradycal arrhythmias
  • Antiarrhythmic therapy for circulatory shock (vasodilation and increase in cardiac output) and the treatment of itching and inflammation of the skin.
  • One aspect of the present invention relates to the use of the compounds of general formula 1 as medicaments. Another aspect of the present invention relates to the use of the compounds of general formula 1 for the manufacture of a medicament for the treatment of diseases in which therapeutically effective doses of a beta-mimetic can develop a therapeutic benefit.
  • compounds of general formula 1 for the manufacture of a medicament for the treatment of inflammatory and obstructive respiratory diseases, particularly preferably of asthma or COPD, for the inhibition of premature contractions in obstetrics (tocolysis), for the restoration of the sinus rhythm in the heart atrio-ventricular block, for the elimination of bradycal arrhythmias, for the treatment of circulatory shock (vasodilation and increase in cardiac output) and for the treatment of itching and inflammation of the skin.
  • compounds of the general formula 1 for the production of a medicament for the treatment of inflammatory and obstructive respiratory diseases, particularly preferably for the treatment of asthma or COPD.
  • the compounds of general formula 1 can be used on their own or in combination with other active compounds of formula 1 according to the invention. If appropriate, the compounds of the general formula 1 can also be used in combination with other pharmacologically active compounds. These are in particular anticholinergics, possibly other betamimetics, antiallergics, PDE IV inhibitors, PAF antagonists, leukotriene antagonists and steroids, and combinations of active substances thereof.
  • anticholinergics examples include ipratropium bromide, oxitropium bromide and, in particular, tiotropium bromide.
  • Pharmaceutical combinations which, in addition to the compounds of formula 1 according to the invention, contain tiotropium bromide, optionally in the form of one of its solvates or hydrates, as a further active ingredient are particularly preferred according to the invention.
  • Tiotropium bromide is particularly preferably used in the form of its monohydrate, in particular in the form of its crystalline monohydrate. This crystalline monohydrate is described in detail in WO 02/30928.
  • corticosteroids which can optionally be used in combination with the compound of formula 1, are understood to mean compounds which are selected from the group consisting of flunisolide, beclomethasone, triamcinolone, budesonide, fluticasone, mometasone, ciclesonide,
  • the corticosteroids are preferably selected from the group consisting of flunisolide, beclomethasone, triamcinolone, budesonide, fluticasone, mometasone, ciclesonide and dexametasone, here the budesonide, fluticasone, mometasone and ciclesonide, in particular the budesonasone and one Importance.
  • steroids is used in the context of the present patent application instead of the term corticosteroids.
  • Reference to steroids in the context of the present invention includes reference to salts or derivatives which can be formed by the steroids.
  • salts or derivatives are: sodium salts, sulfobenzoates, phosphates, Isonicotinate, Acetate, Propionate, Dihydrogenphosphate, Palmitate, Pivalate or Furoate. If necessary, the corticosteroids can also be present in the form of their hydrates.
  • dopamine agonists which can optionally be used in combination with the compound of formula 1, are understood to mean compounds which are selected from the group consisting of bromocriptine, cabergoline, alpha-dihydroergocryptine, lisuride, pergolide, pramipexole , Roxindol, Ropinirol, Talipexol, Tergurid and Viozan.
  • dopamine agonists preference is given to using dopamine agonists as combination partners with the compound of the formula 1, which are selected from the group consisting of pramipexole, talipexole and viozan, pramipexole being of particular importance.
  • a reference to the above-mentioned dopamine agonists includes a reference to their optionally existing pharmacologically acceptable acid addition salts and, if appropriate, their hydrates.
  • the physiologically acceptable acid addition salts which can be formed by the above-mentioned dopamine agonists are understood to mean, for example, pharmaceutically acceptable salts which are selected from the salts of hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid, methanesulfonic acid, acetic acid, fumaric acid, succinic acid, lactic acid, citric acid, tartaric acid and are maleic acid.
  • antiallergics which can be used according to the invention as a combination with the compound of the formula 1 are epinastine, cetirizine, azelastine, fexofenadine, levocabastine, loratadine, mizolastine, ketotifen, emedastine, dimetindene, clemastine, bamipine, cexchlo ⁇ heniramine, pheniramine Doxylamine, Chlo ⁇ henoxamine, Dimenhydrinat, Diphenhydramin, Promethazin, Ebastin, Desloratidin and Meclozin.
  • Preferred antiallergics which can be used in the context of the present invention in combination with the compound of formula 1 are selected from the group consisting of epinastine, cetirizine, azelastine, fexofenadine, levocabastine, loratadine, ebastine, desloratidine and mizolastine, with epinastine and desloratidine are particularly preferred.
  • a reference to the abovementioned antiallergics includes a reference to their pharmacologically acceptable acid addition salts which may exist.
  • PDE-IV inhibitors which can be used according to the invention as a combination with the compound of formula 1
  • compounds which are selected from the group consisting of Enprofylline, Roflumilast, Ariflo, Bay-198004, CP-325,366, BY343, D-4396 (Sch-351591), V-11294A and AWD-12-281.
  • Preferred PDE-IV inhibitors are selected from the group consisting of enprofylline, roflumilast, Ariflo and AWD-12-281, with AWD-12-281 being particularly preferred as a combination partner with the compound of the formula I_ according to the invention.
  • a reference to the PDE-IV inhibitors mentioned above includes a reference to their pharmacologically acceptable acid addition salts which may exist.
  • the physiologically tolerable acid addition salts which can be formed by the abovementioned PDE-IV inhibitors are understood as pharmaceutically tolerable salts which are selected from the salts of hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid, methanesulfonic acid, acetic acid, fumaric acid, succinic acid, lactic acid , Citric acid, tartaric acid or maleic acid.
  • the salts selected from the group consisting of acetate, hydrochloride, hydrobromide, sulfate, phosphate and methanesulfonate are preferred in this context.
  • Suitable forms of application for applying the compounds of the formula j. are, for example, tablets, capsules, suppositories, solutions, powders, etc.
  • the proportion of the pharmaceutically active compound (s) should in each case be in the range from 0.05 to 90% by weight, preferably 0.1 to 50% by weight, of the total composition .
  • Corresponding tablets can be made, for example, by mixing the active ingredient (s) with known auxiliary substances, for example inert diluents, such as
  • the tablets can also consist of several layers.
  • coated tablets can be produced by coating cores produced analogously to the tablets with agents conventionally used in tablet coatings, for example collidone or shellac, gum arabic, talc, titanium dioxide or sugar.
  • the core can also consist of several layers.
  • the coated tablet shell can also consist of several layers in order to achieve a depot effect, it being possible to use the auxiliaries mentioned above for the tablets.
  • Juices of the active substances or combinations of active substances according to the invention can additionally contain a sweetener, such as saccharin, cyclamate, glycerol or sugar, and a taste-improving agent, for example flavorings, such as vanillin or orange extract. They can also contain suspending agents or thickening agents, such as sodium carboxymethyl cellulose, wetting agents, for example condensation products of fatty alcohols with ethylene oxide, or protective agents, such as p-hydroxybenzoates.
  • Solutions are made in the usual way, e.g. with the addition of isotonants, preservatives, such as p-hydroxybenzoates, or stabilizers, such as alkali metal salts of ethylenediaminetetraacetic acid, optionally using emulsifiers and / or dispersants, where, for example, when using water as a diluent, organic solvents can optionally be used as solubilizers or auxiliary solvents , manufactured and filled into injection bottles or ampoules or infusion bottles.
  • isotonants e.g. with the addition of isotonants, preservatives, such as p-hydroxybenzoates, or stabilizers, such as alkali metal salts of ethylenediaminetetraacetic acid, optionally using emulsifiers and / or dispersants, where, for example, when using water as a diluent, organic solvents can optionally be used as solubilizers or auxiliary solvents , manufactured and
  • the capsules containing one or more active ingredients or combinations of active ingredients can be produced, for example, by mixing the active ingredients with inert carriers, such as milk sugar or sorbitol, and encapsulating them in gelatin capsules.
  • Suitable suppositories can be produced, for example, by mixing them with carrier agents such as neutral fats or polyethylene glycol or its derivatives.
  • auxiliaries are water, pharmaceutically acceptable organic solvents, such as paraffins (for example petroleum fractions), oils of vegetable origin (for example peanut or sesame oil), mono- or polyfunctional alcohols (for example ethanol or glycerol), carriers such as natural rock meal (for example kaolins, Clays, talc, chalk) synthetic rock flour (e.g. highly disperse silicic acid and silicates), sugar (e.g. cane, milk and glucose) emulsifiers (e.g. lignin, Sufitabl eyes, methyl cellulose, starch and polyvinylpyrrolidone) and lubricants (e.g. magnesium stearate, talc, stearic acid and sodium lauryl sulfate).
  • paraffins for example petroleum fractions
  • oils of vegetable origin for example peanut or sesame oil
  • mono- or polyfunctional alcohols for example ethanol or glycerol
  • carriers such as natural rock meal (for example kaolins, Clays, tal
  • the tablets can of course also contain additives such as sodium citrate, calcium carbonate and dicalcium phosphate together with various additives such as starch, preferably potato starch, gelatin and the like, in addition to the carrier substances mentioned.
  • Lubricants such as magnesium stearate, sodium lauryl sulfate and talc can also be used for tableting.
  • the active ingredients can be mixed with various flavor enhancers or colorants.
  • Inhalable dosage forms are inhalable powders, metered-dose aerosols containing propellant gas, or propellant-free inhalation solutions.
  • propellant-free inhalation solutions also includes concentrates or sterile, ready-to-use inhalation solutions.
  • Inhalable powders which can be used according to the invention can contain 1 either alone or in a mixture with suitable physiologically acceptable auxiliaries. If the active ingredients 1 are contained in a mixture with physiologically acceptable auxiliaries, the following physiologically acceptable auxiliaries can be used to prepare these inhalable powders according to the invention: monosaccharides (e.g. glucose or arabinose), disaccharides (e.g. lactose, sucrose, maltose), oligo- and polysaccharides ( e.g. dextrans), polyalcohols (e.g. sorbitol, mannitol, xylitol), salts (e.g. sodium chloride, calcium carbonate) or mixtures of these auxiliaries with one another.
  • monosaccharides e.g. glucose or arabinose
  • disaccharides e.g. lactose, sucrose, maltose
  • oligo- and polysaccharides e.g. dextrans
  • Mono- or disaccharides are preferably used, the use of lactose or glucose being preferred, in particular, but not exclusively, in the form of their hydrates.
  • Lactose most preferably lactose monohydrate, is used as an auxiliary as particularly preferred in the sense of the invention.
  • the auxiliaries have a maximum average particle size of up to 250 ⁇ m, preferably between 10 and 150 ⁇ m, particularly preferably between 15 and 80 ⁇ m. If necessary, it may seem sensible to add finer excipient fractions to the excipients mentioned above add average particle size of 1 to 9 ⁇ m. The latter finer excipients are also selected from the group of excipients that can be used.
  • micronized active ingredient 1 preferably with an average particle size of 0.5 to 10 ⁇ m, particularly preferably 1 to 5 ⁇ m, is admixed with the excipient mixture.
  • Processes for producing the inhalable powders according to the invention by grinding and micronizing and by finally mixing the constituents are known from the prior art.
  • the inhalable powders according to the invention can be applied using inhalers known from the prior art.
  • Inhalation aerosols containing propellant gas according to the invention may contain 1 dissolved in the propellant gas or in dispersed form.
  • 1 can be contained in separate dosage forms or in a common dosage form, where 1 can either be both dissolved, both dispersed or in each case only one component dissolved and the other dispersed.
  • propellant gases which can be used to produce the inhalation aerosols are known from the prior art.
  • Suitable propellants are selected from the group consisting of hydrocarbons such as n-propane, n-butane or isobutane and halogenated hydrocarbons such as fluorinated derivatives of methane, ethane, propane, butane, cyclopropane or cyclobutane.
  • the above-mentioned propellant gases can be used alone or in mixtures thereof.
  • Particularly preferred propellants are halogenated alkane derivatives selected from TG134a and TG227 and mixtures thereof.
  • the inhalation aerosols containing propellant gas can also contain further constituents such as cosolvents, stabilizers, surfactants, antioxidants, lubricants and agents for adjusting the pH. All of these components are known in the art.
  • the active compounds 1 according to the invention can also be applied in the form of propellant-free inhalation solutions and inhalation suspensions.
  • a solvent aqueous or alcoholic, preferably ethanolic solutions are suitable for this.
  • the solvent can only be water or it is a mixture of water and ethanol.
  • the relative proportion of ethanol to water is not limited, but the maximum limit is preferably up to 70 percent by volume, in particular up to 60 percent by volume and particularly preferably up to 30 percent by volume.
  • the remaining volume percentages are filled up with water.
  • the solutions or suspensions containing 1 are adjusted to a pH of 2 to 7, preferably 2 to 5, using suitable acids. Acids selected from inorganic or organic acids can be used to adjust this pH. Examples of particularly suitable inorganic acids are hydrochloric acid, hydrobromic acid,
  • Nitric acid, sulfuric acid and / or phosphoric acid examples of particularly suitable organic acids are: ascorbic acid, citric acid, malic acid, tartaric acid, maleic acid, succinic acid, fumaric acid, acetic acid, formic acid and / or propionic acid and others.
  • Preferred inorganic acids are hydrochloric acid, sulfuric acid. It is also possible to use the acids which already form an acid addition salt with one of the active ingredients. Ascorbic acid, fumaric acid and citric acid are preferred among the organic acids. If appropriate, mixtures of the acids mentioned can also be used, in particular in cases of acids which, in addition to their acidifying properties, also have other properties, e.g. as flavors, antioxidants or complexing agents, such as citric acid or
  • hydrochloric acid is particularly preferably used to adjust the pH.
  • EDTA editic acid
  • sodium edetate sodium edetate
  • the content based on sodium edetate is below 100 mg / 100 ml, preferably below 50 mg / 100 ml, particularly preferably below 20 mg / 100 ml.
  • Inhalation solutions in which the sodium edetate content is 0 to 10 mg / 100 ml are generally preferred.
  • Co-solvents and / or other auxiliary substances can be added to the propellant-free inhalation solutions.
  • Preferred co-solvents are those which contain hydroxyl groups or other polar groups, for example alcohols - in particular isopropyl alcohol, glycols - in particular propylene glycol, polyethylene glycol, polypropylene glycol, glycol ether, glycerol, polyoxyethylene alcohols and polyoxyethylene fatty acid esters.
  • alcohols - in particular isopropyl alcohol glycols - in particular propylene glycol
  • polyethylene glycol, polypropylene glycol, glycol ether, glycerol polyoxyethylene alcohols and polyoxyethylene fatty acid esters.
  • pharmacologically acceptable substance that is not an active ingredient, but can be formulated together with the active ingredient (s) in the pharmacologically suitable solvent in order to improve the qualitative properties of the active ingredient formulation.
  • These substances preferably have no or no significant or at least no undesirable pharmacological effect in the context of the desired therapy.
  • auxiliaries and additives include, for example, surface-active substances, such as, for example, soy lecithin, oleic acid, sorbitan esters, such as polysorbates, polyvinylpyrrolidone, other stabilizers, complexing agents, antioxidants and / or preservatives which guarantee or extend the useful life of the finished pharmaceutical formulation, flavors, vitamins and / or other known in the art
  • the additives also include pharmacologically acceptable salts such as sodium chloride as isotonic agents.
  • the preferred auxiliary substances include antioxidants, such as, for example, ascorbic acid, unless already used for adjusting the pH, vitamin A, vitamin E, tocopherols and similar vitamins or provitamins occurring in the human organism.
  • Preservatives can be used to protect the formulation from contamination with germs. Suitable preservatives are those known from the prior art, in particular cetylpyridinium chloride, benzalkonium chloride or benzoic acid or benzoates such as sodium benzoate from those known from the prior art
  • the preservatives mentioned above are preferably contained in concentrations of up to 50 mg / 100 ml, particularly preferably between 5 and 20 mg / 100 l.
  • preferred formulations only contain benzalkonium chloride and sodium edetate.
  • sodium edetate is dispensed with.
  • the dosage of the compounds according to the invention is of course strongly dependent on the type of application and the disease to be treated.
  • the compounds of formula 1 When administered by inhalation, the compounds of formula 1 are highly effective even at doses in the ⁇ g range. Even above the ⁇ g range, the compounds of formula 1 can be used expediently. The dosage can then be in the gram range, for example.
  • Another aspect of the present invention relates to the above-mentioned pharmaceutical formulations as such, which are characterized by a content of a compound of the formula 1, particularly preferably the above-mentioned inhalable pharmaceutical formulations.
  • the finely ground active ingredient, milk sugar and part of the corn starch are mixed together.
  • the mixture is sieved, whereupon it is moistened with a solution of polyvinylpyrrolidone in water, kneaded, wet-granulated and dried.
  • the granules, the rest of the corn starch and the magnesium stearate are sieved and mixed together.
  • the mixture is pressed into tablets of suitable shape and size.
  • the finely ground active ingredient, part of the corn starch, milk sugar, microcrystalline cellulose and polyvinylpyrrolidone are mixed together, the mixture is sieved and processed with the rest of the corn starch and water to form a granulate which is dried and sieved.
  • the sodium carboxymethyl starch and the magnesium stearate are added, the mixture is mixed and pressed into tablets of a suitable size.
  • Active ingredient 1 40 mg sodium chloride 50 mg
  • the active ingredient is dissolved in water at its own pH or, if appropriate, at pH 5.5 to 6.5, and sodium chloride is added as an isotonic agent.
  • the solution obtained is filtered pyrogen-free and the filtrate is filled into ampoules under aseptic conditions, which are then sterilized and sealed.
  • the ampoules contain 5 mg, 25 mg and 50 mg of active ingredient.
  • Sorbitan trioleate 0.1 monofluorotrichloromethane
  • TG134a TG227 2: l ad 100
  • the suspension is filled into a conventional aerosol container with a metering valve. 50 ⁇ l of suspension are preferably dispensed per actuation. If desired, the active ingredient can also be dosed in higher amounts (for example 0.02% by weight).
  • This solution can be prepared in the usual way.
  • the inhalable powder is produced in the usual way by mixing the individual components.

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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Pain & Pain Management (AREA)
  • Rheumatology (AREA)
  • Pulmonology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

L'invention concerne des composés de formule générale (1), dans laquelle R<1>, R<2>, R<3> et R<4> peuvent avoir la signification indiquée dans la description. L'invention concerne également des procédés pour la préparation desdits dérivés ainsi que l'utilisation de ces derniers comme médicament, notamment pour le traitement de maladies inflammatoires et obstructives des voies respiratoires.
EP03773711A 2002-11-15 2003-11-11 Nouveaux derives de dihydroxymethylphenyle, procedes pour leur preparation, et utilisation desdits derives comme medicament Withdrawn EP1562892A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10253220 2002-11-15
DE10253220A DE10253220A1 (de) 2002-11-15 2002-11-15 Neue Dihydroxy-Methyl-Phenyl-Derivate, Verfahren zu deren Herstellung und deren Verwendung als Arzneimittel
PCT/EP2003/012566 WO2004046083A1 (fr) 2002-11-15 2003-11-11 Nouveaux derives de dihydroxymethylphenyle, procedes pour leur preparation, et utilisation desdits derives comme medicament

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EP1562892A1 true EP1562892A1 (fr) 2005-08-17

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US (1) US7135500B2 (fr)
EP (1) EP1562892A1 (fr)
JP (1) JP2006506425A (fr)
AU (1) AU2003282094A1 (fr)
CA (1) CA2506109A1 (fr)
DE (1) DE10253220A1 (fr)
WO (1) WO2004046083A1 (fr)

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WO2004046083A1 (fr) 2004-06-03
DE10253220A1 (de) 2004-05-27
JP2006506425A (ja) 2006-02-23
AU2003282094A1 (en) 2004-06-15
CA2506109A1 (fr) 2004-06-03
US7135500B2 (en) 2006-11-14

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