EP1357904A2 - Utilisation de pyrazolo 4,3-d]pyrimidines - Google Patents

Utilisation de pyrazolo 4,3-d]pyrimidines

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Publication number
EP1357904A2
EP1357904A2 EP01997300A EP01997300A EP1357904A2 EP 1357904 A2 EP1357904 A2 EP 1357904A2 EP 01997300 A EP01997300 A EP 01997300A EP 01997300 A EP01997300 A EP 01997300A EP 1357904 A2 EP1357904 A2 EP 1357904A2
Authority
EP
European Patent Office
Prior art keywords
methyl
pyrazolo
pyrimidin
propyl
acid
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Withdrawn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
EP01997300A
Other languages
German (de)
English (en)
Inventor
Hans-Michael Eggenweiler
Volker Eiermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
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 Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of EP1357904A2 publication Critical patent/EP1357904A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/02—Stomatological preparations, e.g. drugs for caries, aphtae, periodontitis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/16—Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
    • 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
    • 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
    • A61P11/02—Nasal agents, e.g. decongestants
    • 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
    • A61P11/06—Antiasthmatics
    • 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
    • A61P11/08—Bronchodilators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P13/00—Drugs for disorders of the urinary system
    • A61P13/12—Drugs for disorders of the urinary system of the kidneys
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00—Drugs for genital or sexual disorders; Contraceptives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00—Drugs for genital or sexual disorders; Contraceptives
    • A61P15/10—Drugs for genital or sexual disorders; Contraceptives for impotence
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00—Drugs for genital or sexual disorders; Contraceptives
    • A61P15/12—Drugs for genital or sexual disorders; Contraceptives for climacteric disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P27/00—Drugs for disorders of the senses
    • A61P27/02—Ophthalmic agents
    • A61P27/06—Antiglaucoma agents or miotics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/08—Antiallergic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00—Drugs for disorders of the blood or the extracellular fluid
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/08—Vasodilators for multiple indications
    • 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
    • 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
    • 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

Definitions

  • the invention relates to the use of compounds of the formula
  • R 1 , R 2 each independently of one another are H, A, OH, OA or shark,
  • R 1 and R 2 together also alkylene with 3-5 C atoms, -0-CH 2 -CH 2 -, -CH 2 -0-CH 2 -, -0-CH 2 -0- or -0-CH 2 -CH 2 -0-,
  • R 3 , R 4 each independently of one another H or A,
  • X is simply substituted by R 8, R 5 , R 6 or R 7 ,
  • R ° linear or branched alkylene with 1-10 C atoms, in which one or two CH 2 groups can be replaced by -CH CH groups, O, S or SO,
  • R b cycloalkyl or cycloalkylalkylene with 5-12 C atoms
  • R a COOH, COOA, CONH 2 , CONHA, CON (A) 2 or CN,
  • a medicament for the treatment of angina high blood pressure, pulmonary high pressure, congestive heart failure, atherosclerosis, conditions of reduced patency of the cardiovascular system, peripheral vascular diseases, stroke, bronchitis, allergic asthma, chronic Asthma, allergic rhinitis, glaucoma, irritable bowel syndrome, tumors, renal failure, cirrhosis of the liver and for the treatment of female sexual disorders.
  • Pyrimidine derivatives are known for example from EP 201 188 or WO 93/06104.
  • the use of other PDE V inhibitors is described e.g. in WO 94/28902.
  • the invention was based on the task of finding new compounds with valuable properties, in particular those which can be used for the production of medicaments.
  • the biological activity of the compounds of the formula I can be determined by methods such as are described, for example, in WO 93/06104.
  • the affinity of the compounds of the invention for cGMP and cAMP phosphodiesterase is determined by measuring their IC 5 o values (concentration tion of inhibitor required to cause a 50% to achieve inhibition of the enzyme activity) determined.
  • Enzymes isolated according to known methods can be used to carry out the determinations (for example WJ Thompson et al., Biochem. 1971, 10, 311).
  • a modified "batch" method by WJ Thompson and MM Appleman can be used to carry out the experiments.
  • the compounds are therefore suitable for the treatment of diseases of the cardiovascular system, in particular heart failure and for the treatment and / or therapy of erectile dysfunction.
  • substituted pyrazolopyrimidinones for the treatment of impotence is e.g. described in WO 94/28902.
  • the compounds are effective as inhibitors of phenylephrine-induced contractions in corpus cavernosum preparations from rabbits.
  • This biological effect can e.g. can be detected by the method described by F. Holmquist et al. in J. Ural., 150, 1310-1315 (1993).
  • the inhibition of the contraction shows the effectiveness of the compounds according to the invention for the therapy and / or treatment of erectile dysfunction.
  • the invention relates to the use of the compounds of the formula I and their physiologically acceptable salts and / or solvates for the manufacture of a medicament for the treatment of angina, high blood pressure, pulmonary high pressure, congestive heart failure, atherosclerosis, conditions of reduced patency of the cardiovascular system, peripheral vascular diseases, stroke , Bronchitis, allergic asthma, chronic asthma, allergic rhinitis, glaucoma, irritable bowel syndrome, tumors, renal failure, cirrhosis of the liver and for the treatment of female sexual disorders.
  • the invention relates in particular to the use of the compounds of the formula I and their physiologically acceptable salts and / or solvates for the production of a medicament for the treatment of pulmonary high pressure.
  • the invention preferably relates to the use of [7- (3-chloro-4-methoxy-benzylamino) -1-methyl-3-propyl-1H-pyrazolo [4,3-d] pyrimidin-5-ylmethoxy] acetic acid and its physiologically harmless salts and / or solvates for the manufacture of a medicament for
  • Pulmonary hypertension treatment In addition to the free acid, the ethanolamine salt is preferred.
  • the compounds of formula I can be used as active pharmaceutical ingredients in human and veterinary medicine. They can also be used as intermediates for the production of further active pharmaceutical ingredients.
  • the invention accordingly relates to the compounds of the formula I and a process for the preparation of compounds of the formula I as well as their salts,
  • R 3 , R 4 and X have the meanings given
  • L denotes Cl, Br, OH, SCH 3 or a reactive esterified OH group
  • R 1 and R 2 have the meanings given
  • Convert rest X by e.g. hydrolyses an ester group to a COOH group or converts a COOH group into an amide or into a cyan group
  • Solvates of the compounds of the formula I are understood to mean the addition of inert solvent molecules to the compounds of the formula I, which are formed on account of their mutual attraction. Solvates are e.g. Mono- or dihydrates or alcoholates.
  • radicals R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , X and L have the meanings given in the formulas I, II and III, unless expressly stated otherwise specified.
  • A means alkyl with 1-6 C atoms.
  • alkyl is preferably unbranched and has 1, 2, 3, 4, 5 or 6 carbon atoms and is preferably methyl, ethyl or propyl, more preferably isopropyl, butyl, isobutyl, sec-butyl or tert-butyl , but also n-pentyl, neopentyl, isopentyl or hexyl.
  • R 5 denotes a linear or branched alkylene radical with 1-10 C atoms, the alkylene radical preferably being, for example, methylene, ethylene, propylene, isopropylene, butylene, isobutylene, sec-butylene, pentylene, 1-, 2- or 3- Methylbutylene, 1, 1-, 1, 2- or 2,2-dimethylpropylene, 1-ethylpropylene, hexylene, 1-, 2-, 3- or 4-methylpentylene, 1, 1-, 1, 2-, 1, 3 -, 2,2-, 2,3- or 3,3-dimethylbutylene, 1- or 2-ethylbutylene, 1-ethyl-1-methylpropylene, 1-ethyl-2-methylpropylene, 1, 1, 2- or 1, 2,2-trimethylpropylene, linear or branched heptylene, octylene, nonylene or de
  • R 5 also means, for example, but-2-en-ylene or hex-3-en-ylene.
  • a CH 2 group in R 5 can preferably be replaced by oxygen.
  • Ethylene, propylene, butylene or CH 2 -0-CH 2 is very particularly preferred.
  • R 6 denotes cycloalkylalkylene with 5-12 C atoms, preferably for example cyclopentylmethylene, cyclohexylmethylene, cyclohexylethylene, cyclohexylpropylene or cyclohexylbutylene.
  • R 6 also means cycloalkyl, preferably having 5-7 carbon atoms.
  • Cycloalkyl means, for example, cyclopentyl, cyclohexyl or cycloheptyl.
  • the radicals R 1 and R 2 can be the same or different and are preferably in the 3- or 4-position of the phenyl ring. They each mean, for example, independently of one another H, alkyl, OH, F, Cl, Br or I or together alkylene, such as, for example, propylene, butylene or pentylene, furthermore ethyleneoxy, methylenedioxy or ethylenedioxy. They are also preferably each alkoxy, such as methoxy, ethoxy or propoxy.
  • the radical R 8 is preferably, for example, COOH, COOA such as COOCH 3 or COOC2H5, CONH2, CON (CH 3 ) 2) CONHCH3 or CN, but in particular COOH or COOA.
  • radicals which occur more than once can be the same or different, ie are independent of one another. Accordingly, the invention relates in particular to those compounds of the formula I in which at least one of the radicals mentioned has one of the preferred meanings indicated above.
  • Some preferred groups of compounds can be expressed by the following sub-formulas Ia to If, which correspond to the formula I and in which the radicals not specified have the meaning given for the formula I, but in which
  • R 5 phenyl or phenylmethyl substituted by COOH, COOA, CONH 2 , CONA 2 , CONHA or CN;
  • R 1 and R 2 together alkylene with 3-5 C atoms, -0-CH 2 -CH 2 -,
  • CN is substituted R 5 , phenyl or phenylmethyl
  • R 1 , R 2 each independently of one another H, A, OH, OA or shark,
  • R 1 and R 2 together also alkylene with 3-5 C atoms
  • CN is substituted R 5 , phenyl or phenylmethyl
  • R 1 , R 2 each independently of one another H, A, OH, OA or
  • R 1 and R 2 together also alkylene with 3-5 carbon atoms, -0-CH 2 -CH 2 -, -O-CH2-O- or
  • Atoms cyclohexyl, phenyl or phenylmethyl, R 3 alkyl with 1-6 C atoms, R 4 alkyl with 1-6 C atoms,
  • R 8 COOH or COOA, A alkyl with 1 to 6 carbon atoms,
  • R 1 , R 2 each independently of one another H, A, OH, OA or shark,
  • R 1 and R 2 together also alkylene with 3-5 C atoms, -O-CH2-CH 2 -, -O-CH2-O- or -0-CH 2 -CH 2 -0-, R 3 alkyl with 1 -6 C atoms, R 4 alkyl with 1-6 C atoms,
  • R 1 and R 2 together also alkylene with 3-5 C atoms
  • R 3 alkyl with 1-6 C atoms
  • RR 44 alkyl with 1-6 C atoms
  • L is a reactive esterified OH group, this is preferably alkylsulfonyloxy with 1-6 C atoms (preferably methylsulfonyloxy) or arylsulfonyloxy with 6-10 C atoms (preferably phenyl- or p-tolylsulfonyloxy, further also 2- naphthalenesulfonyloxy).
  • the compounds of the formula I can preferably be obtained by reacting compounds of the formula II with compounds of the formula III.
  • the starting materials can also be formed in situ, so that they are not isolated from the reaction mixture, but instead are immediately reacted further to give the compounds of the formula I.
  • the starting compounds of the formula II and III are generally known. If they are not known, they can be produced by methods known per se.
  • the compounds of the formula II are reacted with the compounds of the formula III in the presence or absence of an inert solvent at temperatures between about -20 and about 150 °, preferably between 20 and 100 °.
  • an acid-binding agent for example an alkali or alkaline earth metal hydroxide, carbonate or bicarbonate or another salt of a weak acid of the alkali or alkaline earth metals, preferably potassium, sodium or calcium, or the addition of an organic base such as triethylamine, Dimethylamine, pyridine or quinoline or an excess of the amine component may be beneficial.
  • an acid-binding agent for example an alkali or alkaline earth metal hydroxide, carbonate or bicarbonate or another salt of a weak acid of the alkali or alkaline earth metals, preferably potassium, sodium or calcium
  • an organic base such as triethylamine, Dimethylamine, pyridine or quinoline or an excess of the amine component
  • Suitable inert solvents are, for example, hydrocarbons such as hexane, petroleum ether, benzene, toluene or xylene; chlorinated hydrocarbons such as trichlorethylene, 1, 2-dichloroethane, carbon tetrachloride, chloroform or dichloromethane; Alcohols such as methanol, ethanol, isopropanol, n-propanol, n-butanol or tert-butanol; Ethers such as diethyl ether, diisopropyl ether, tetrahydrofuran (THF) or dioxane; Glycol ethers such as ethylene glycol monomethyl or monoethyl ether (methyl glycol or ethyl glycol), ethylene glycol dimethyl ether (diglyme); Ketones such as acetone or butanone; Amides such as acetamide, dimethylacetamide, N-methylpyrrolidone or
  • radical X it is also possible to convert one radical X into another radical X in a compound of formula I, e.g. by hydrolyzing an ester or a cyano group to a COOH group.
  • Ester groups can e.g. are saponified with NaOH or KOH in water, water-THF or water-dioxane at temperatures between 0 and 100 °.
  • Carboxylic acids can e.g. with thionyl chloride in the corresponding carboxylic acid chlorides and these are converted into carboxamides. By splitting off water in a known manner, carbonitriles are obtained from these.
  • An acid of the formula I can be converted with a base into the associated acid addition salt, for example by reacting equivalent amounts of the acid and the base in an inert solvent such as ethanol and then evaporating.
  • Bases that provide physiologically acceptable salts are particularly suitable for this implementation.
  • the acid of formula I can be converted with a base (eg sodium or potassium hydroxide or carbonate) into the corresponding metal, in particular alkali metal or alkaline earth metal, or into the corresponding ammonium salt.
  • a base eg sodium or potassium hydroxide or carbonate
  • Organic bases which provide physiologically acceptable salts, such as ethanolamine, are particularly suitable for this reaction.
  • a base of the formula I can be converted into the associated acid addition salt using an acid, for example by reacting equivalent amounts of the base and the acid in an inert solvent such as ethanol and subsequent evaporation.
  • acids which provide physiologically harmless salts are suitable for this implementation.
  • So inorganic acids can be used, e.g. Sulfuric acid, nitric acid, hydrohalic acids such as hydrochloric acid or hydrobromic acid, phosphoric acids such as orthophosphoric acid, sulfamic acid, furthermore organic acids, especially aliphatic, alicyclic, araliphatic, aromatic or heterocyclic mono- or polybasic carboxylic, sulfonic or sulfuric acids, e.g.
  • Formic acid acetic acid, propionic acid, pivalic acid, diethyl acetic acid, malonic acid, succinic acid, pimelic acid, fumaric acid, maleic acid, lactic acid, tartaric acid, citric acid, gluconic acid, ascorbic acid, nicotinic acid, isonicotinic acid, methane acid or ethanesulfonic acid, ethanesulfonic acid , Benzenesulfonic acid, p-toluenesulfonic acid, naphthalene mono- and disulfonic acids, lauryl sulfuric acid. Salts with physiologically unacceptable acids, e.g. Picrates can be used for the isolation and / or purification of the compounds of the formula I.
  • Picrates can be used for the isolation and / or purification of the compounds of the formula I.
  • the invention further relates to the use of the compounds of the formula I and / or their physiologically acceptable salts for the production of pharmaceutical preparations, in particular by a non-chemical route.
  • they can be brought into a suitable dosage form together with at least one solid, liquid and / or semi-liquid carrier or auxiliary and optionally in combination with one or more further active ingredients.
  • the invention also relates to medicaments of the formula I and their physiologically acceptable salts as phosphodiesterase V inhibitors.
  • the invention further relates to pharmaceutical preparations containing at least one compound of the formula I and / or one of its physiologically acceptable salts.
  • Suitable carriers are organic or inorganic substances which are suitable for enteral (for example oral), parenteral or topical application and do not react with the new compounds, for example water, vegetable oils, benzyl alcohols, alkylene glycols, polyethylene glycols, glycerol triacetate, gelatin .
  • Carbohydrates such as lactose or starch, magnesium stearate, talc, petroleum jelly. Tablets, pills, dragees, capsules, powders, granules, syrups, juices or drops are used for oral use, suppositories for rectal use, solutions for parenteral use, preferably oily or aqueous solutions, furthermore suspensions, emulsions or implants for topical application ointments, creams or powder.
  • the new compounds can also be lyophilized and the resulting lyophilisates e.g. can be used for the production of injectables.
  • the specified preparations can be sterilized and / or contain auxiliaries such as lubricants, concentrators, stabilizers and / or wetting agents, emulsifiers, salts for influencing the osmotic pressure, buffer substances, coloring, flavoring and / or several other active substances, eg one or more vitamins.
  • auxiliaries such as lubricants, concentrators, stabilizers and / or wetting agents, emulsifiers, salts for influencing the osmotic pressure, buffer substances, coloring, flavoring and / or several other active substances, eg one or more vitamins.
  • the compounds of the formula I and their physiologically acceptable salts can be used in combating diseases in which an increase in the cGMP (cyclo-guanosine monophosphate) level leads to inhibition or prevention of inflammation and muscle relaxation.
  • the compounds according to the invention can be used particularly in the treatment of diseases of the cardiovascular system and for the treatment and / or therapy of erectile dysfunction.
  • the substances are generally preferably administered in doses between about 1 and 500 mg, in particular between 5 and 100 mg, per dosage unit.
  • the daily dosage is preferably between about 0.02 and 10 mg / kg body weight.
  • the specific dose for each patient depends on a variety of factors, for example on the effectiveness of the particular compound used, on the age, body weight, general health, sex, on the diet, on the time and route of administration, on the rate of elimination, combination of drugs and severity the respective disease to which the therapy applies. Oral application is preferred.
  • customary work-up means: if necessary, water is added, if necessary, depending on the constitution of the end product, the pH is adjusted to between 2 and 10, extracted with ethyl acetate or dichloromethane, separated, dried organic phase over sodium sulfate, evaporates and purifies by chromatography on silica gel and / or by crystallization.
  • connection is obtained analogously 4- [7- (3-Chloro-4-methoxy-benzylamino) -1-methyl-3-propyl-1H-pyrazolo [4,3-d] pyrimidin-5-yl] phenylacetic acid, glucamine salt, m.p. 114 ° and 4- [7- (3,4-methylenedioxy-benzylamino) -1-methyl-3-propyl-1H-pyrazolo [4,3-d] pyrimidin-5-yl] phenylacetic acid.
  • Example A Injection glasses
  • a solution of 100 g of an active ingredient of the formula I and 5 g of disodium hydrogenphosphate is adjusted to pH 6.5 in 3 l of double-distilled water with 2N hydrochloric acid, sterile filtered, filled into injection glasses, lyophilized under sterile conditions and sealed sterile. Each injection glass contains 5 mg of active ingredient.
  • a mixture of 20 g of an active ingredient of the formula I is melted with 100 g of soy lecithin and 1400 g of cocoa butter, poured into molds and allowed to cool. Each suppository contains 20 mg of active ingredient.
  • a solution of 1 g of an active ingredient is prepared of the formula I, 9.38 g of NaH 2 P0 4 • 2 H 2 0, 28.48 g Na 2 HP0 4 • 12 H 2 0 and 0.1 g of benzalkonium chloride in 940 ml of double distilled water. It is adjusted to pH 6.8, made up to 1 I and sterilized by irradiation. This solution can be used in the form of eye drops.
  • Example D ointment
  • 500 mg of an active ingredient of the formula I are mixed with 99.5 g of petroleum jelly under aseptic conditions.
  • Example F coated tablets
  • Example E tablets are pressed, which are then coated in a conventional manner with a coating of sucrose, potato starch, talc, tragacanth and colorant.
  • Example G capsules
  • each capsule contains 20 mg of the active ingredient.
  • a solution of 1 kg of active ingredient of the formula I in 60 l of double-distilled water is sterile filtered, filled into ampoules, lyophilized under sterile conditions and sealed under sterile conditions. Each ampoule contains 10 mg of active ingredient.

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Abstract

L'invention concerne l'utilisation de pyrazolo[4,3-d]pyrimidines de formule (I), dans laquelle R?1, R2, R3, R4¿ et X ont la signification indiquée dans la revendication 1, ainsi que de leurs sels ou solvates physiologiquement acceptables pour la production d'un médicament destiné à traiter l'angine, l'hypertension artérielle, l'hypertension pulmonaire, l'insuffisance cardiaque congestive, l'athérosclérose, les conditions de perméabilité réduite des vaisseaux cardiaques, les maladies vasculaires périphériques, l'accident vasculaire cérébral, la bronchite, l'asthme allergique, l'asthme chronique, la rhinite allergique, le glaucome, le syndrome du côlon irritable, les tumeurs, l'insuffisance rénale, la cirrhose du foie, ainsi que les troubles sexuels féminins.
EP01997300A 2000-11-25 2001-10-29 Utilisation de pyrazolo 4,3-d]pyrimidines Withdrawn EP1357904A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10058662 2000-11-25
DE10058662A DE10058662A1 (de) 2000-11-25 2000-11-25 Verwendung von Pyrazolo[4,3-d]pyrimidinen
PCT/EP2001/012493 WO2002041880A2 (fr) 2000-11-25 2001-10-29 Utilisation de pyrazolo[4,3-d]pyrimidines

Publications (1)

Publication Number Publication Date
EP1357904A2 true EP1357904A2 (fr) 2003-11-05

Family

ID=7664710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01997300A Withdrawn EP1357904A2 (fr) 2000-11-25 2001-10-29 Utilisation de pyrazolo 4,3-d]pyrimidines

Country Status (18)

Country Link
US (1) US20040023990A1 (fr)
EP (1) EP1357904A2 (fr)
JP (1) JP2004513963A (fr)
KR (1) KR20030051870A (fr)
CN (1) CN1665508A (fr)
AR (1) AR035373A1 (fr)
AU (1) AU2002215979A1 (fr)
BR (1) BR0115187A (fr)
CA (1) CA2429645A1 (fr)
CZ (1) CZ20031668A3 (fr)
DE (1) DE10058662A1 (fr)
HU (1) HUP0302720A2 (fr)
MX (1) MXPA03004498A (fr)
PL (1) PL363077A1 (fr)
RU (1) RU2003117477A (fr)
SK (1) SK7592003A3 (fr)
WO (1) WO2002041880A2 (fr)
ZA (1) ZA200304908B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8756899B2 (en) 2009-09-04 2014-06-24 Valinge Innovation Ab Resilient floor
US11725395B2 (en) 2009-09-04 2023-08-15 Välinge Innovation AB Resilient floor

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19942474A1 (de) * 1999-09-06 2001-03-15 Merck Patent Gmbh Pyrazolo[4,3-d]pyrimidine
WO2002049651A1 (fr) * 2000-12-19 2002-06-27 Merck Patent Gmbh Formulation pharmaceutique contenant des pyrazolo[4,3-d]pyrimidines et des antithrombotiques, des antagonistes de calcium, des prostaglandines ou des derives de prostaglandine
RS20050810A (en) 2003-04-29 2007-08-03 Pfizer Inc., 5,7-diaminopyrazolo(4,3-d)pyrimidines useful in the treatment of hypertension
US7572799B2 (en) * 2003-11-24 2009-08-11 Pfizer Inc Pyrazolo[4,3-d]pyrimidines as Phosphodiesterase Inhibitors
GB0327323D0 (en) * 2003-11-24 2003-12-31 Pfizer Ltd Novel pharmaceuticals
DK1742950T3 (da) * 2004-04-07 2009-03-16 Pfizer Ltd Pyrazolo-[4,3-D]-pyrimidiner
WO2018064135A1 (fr) * 2016-09-30 2018-04-05 Asana Biosciences, Llc Composés p2x3 et/ou p2x2/3 et méthodes associées

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2657760B2 (ja) * 1992-07-15 1997-09-24 小野薬品工業株式会社 ４−アミノキナゾリン誘導体およびそれを含有する医薬品
GB9423911D0 (en) * 1994-11-26 1995-01-11 Pfizer Ltd Therapeutic agents
US5869486A (en) * 1995-02-24 1999-02-09 Ono Pharmaceutical Co., Ltd. Fused pyrimidines and pyriazines as pharmaceutical compounds
DE19942474A1 (de) * 1999-09-06 2001-03-15 Merck Patent Gmbh Pyrazolo[4,3-d]pyrimidine
DE10031584A1 (de) * 2000-06-29 2002-01-10 Merck Patent Gmbh 5-Aminoalkyl-pyrazolo[4,3-d]pyrimidine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0241880A2 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8756899B2 (en) 2009-09-04 2014-06-24 Valinge Innovation Ab Resilient floor
US11725395B2 (en) 2009-09-04 2023-08-15 Välinge Innovation AB Resilient floor

Also Published As

Publication number Publication date
BR0115187A (pt) 2004-01-20
PL363077A1 (en) 2004-11-15
RU2003117477A (ru) 2004-11-27
KR20030051870A (ko) 2003-06-25
CZ20031668A3 (cs) 2003-10-15
US20040023990A1 (en) 2004-02-05
CA2429645A1 (fr) 2002-05-30
WO2002041880A2 (fr) 2002-05-30
SK7592003A3 (en) 2003-11-04
JP2004513963A (ja) 2004-05-13
WO2002041880A3 (fr) 2003-08-28
HUP0302720A2 (hu) 2003-11-28
MXPA03004498A (es) 2003-09-05
AU2002215979A1 (en) 2002-06-03
ZA200304908B (en) 2004-07-28
DE10058662A1 (de) 2002-05-29
CN1665508A (zh) 2005-09-07
AR035373A1 (es) 2004-05-12

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