WO2009131170A1 - 5員環化合物 - Google Patents
5員環化合物 Download PDFInfo
- Publication number
- WO2009131170A1 WO2009131170A1 PCT/JP2009/058053 JP2009058053W WO2009131170A1 WO 2009131170 A1 WO2009131170 A1 WO 2009131170A1 JP 2009058053 W JP2009058053 W JP 2009058053W WO 2009131170 A1 WO2009131170 A1 WO 2009131170A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- membered ring
- pharmaceutically acceptable
- acceptable salt
- ring compound
- compound
- Prior art date
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Classifications
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- 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
- C07D417/04—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 directly linked by a ring-member-to-ring-member bond
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- 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
- C07D417/14—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 three or more hetero rings
Definitions
- the present invention relates to a novel 5-membered ring compound or a salt thereof and a pharmaceutical use thereof. More specifically, the present invention binds to a specific binding site of L-threo-3- (3,4-dihydroxyphenyl) -N- [3- (4-fluorophenyl) propyl] serine pyrrolidine amide in vivo. In addition, the present invention relates to a novel 5-membered ring compound or a salt thereof and a pharmaceutical composition thereof that inhibits infiltration of leukocytes such as eosinophils and lymphocytes, and thereby is effective in treating various inflammations.
- leukocytes such as eosinophils and lymphocytes
- an allergen is inhaled in an atopic asthmatic patient to cause an immediate asthmatic response (IAR). That is, when an allergen is inhaled by an atopic asthmatic patient, an asthmatic reaction (bronchospasm) occurs after about 20 minutes, and the original state is restored after about 2 hours. After that, if we continue to observe the patients who had an immediate asthmatic response, it was found that in about half of the cases, bronchospasm occurred again after 6 to 10 hours, and late asthmatic response (Late asthmatic response: LAR) Named.
- IAR immediate asthmatic response
- bronchospasm reaction In late-onset asthma, the bronchospasm reaction lasts long and is accompanied by pulmonary hyperinflation, which is strongly suppressed by steroids. Therefore, it is recognized that bronchial asthma induced by the allergen attraction is important as a steroid-dependent clinical model of dyspnea of severe bronchial asthma. Immediate type reaction has been recognized as type I allergy resulting from mast cell activation by IgE antibody, and late type reaction has been recognized as T lymphocyte and eosinophilic allergy (eosinophilic inflammation). It was. These immediate and late reactions have been shown to occur in allergic rhinitis and dermatitis.
- eosinophils accumulate in the lung.
- Increased eosinophils in the blood and sputum of many bronchial asthma patients, significant eosinophil infiltration in lung tissue of patients who died asthma, patient bronchial walls and mucous sputum Eosinophil-derived products are important for airway epithelial damage associated with late-onset asthma attacks, such as the deposition of major ⁇ basic ⁇ protein (MBP), a tissue-damaging protein derived from eosinophils It is supposed to have a role.
- MBP major ⁇ basic ⁇ protein
- Steroids are positioned as the only specific medicine for severe bronchial asthma and atopic dermatitis, but have side effects (hypertension, diabetes, obesity, immunosuppression, cataracts, psychiatric disorders, skin atrophy, etc.) as well as powerful effects.
- side effects hypertension, diabetes, obesity, immunosuppression, cataracts, psychiatric disorders, skin atrophy, etc.
- Inhaled steroids have been developed for the purpose of alleviating these systemic side effects, but it is difficult to prove that steroids administered by inhalation are not circulating throughout the body. The concerns have not been dispelled.
- side effects from inhaled steroids have been reported in the West, and the US FDA has issued warning documents regarding the risk of side effects on inhaled steroids for the treatment of bronchial asthma and nasal steroids for the treatment of allergic rhinitis. I have been instructed to go in.
- the infiltration of eosinophils into the lesion plays a major role in the onset and exacerbation of delayed reactions of allergic dermatitis and rhinitis, not limited to bronchial asthma.
- steroids to treat allergic diseases such as bronchial asthma by suppressing infiltration and activation of eosinophils, and orally administrable anti-inflammatory agents with few side effects that can replace steroids are medical. It is peeped on the spot.
- an antibody that neutralizes interleukin 5 that causes proliferation and differentiation of eosinophil progenitor cells and prolongs survival of mature eosinophils in anti-IL-5) CCR3, a receptor for eotaxin, a chemokine specific to eosinophils that cause eosinophil migration, a small molecule inhibitor of eosinophil-specific adhesion factor Very Antigen 4 (VLA-4)
- VLA-4 Very Antigen 4
- L-threo-3- (3,4-dihydroxyphenyl) -N- [3- (4-fluorophenyl) propyl] serine pyrrolidine amide is known to have an action of suppressing eosinophil migration.
- Patent Document 1 The specific binding site of the L-threo-3- (3,4-dihydroxyphenyl) -N- [3- (4-fluorophenyl) propyl] serine pyrrolidine amide in vivo is a receptor-like membrane protein, It is also called SMBS protein (SMBP) (Patent Document 1).
- SMBP SMBS protein
- eosinophil migration is suppressed by binding to this SMBS protein, it is possible to treat allergic diseases such as asthma and chronic obstructive pulmonary disease.
- An object of the present invention is to suppress the infiltration of leukocytes such as eosinophils and lymphocytes and to be an effective compound as a therapeutic agent for various inflammations, a highly safe compound that can be taken for a long time, and a pharmaceutical containing the same On offer.
- Patent Document 2 the compound described in Patent Document 2 is used when the compound concentration is extremely high. It was confirmed to show an inhibitory action on rat steroid hormone synthesis.
- the present inventors performed screening using the pharmacological test described in Patent Document 2 and the rat steroid hormone synthesis inhibition evaluation test, so that morpholino or dialkylamino was used at the 4-position of thiazolinone.
- a compound having a structural feature that substituted pyrazinyl, pyrimidinyl or pyridazinyl binds it binds to SMBS and suppresses infiltration of leukocytes such as eosinophils and lymphocytes, and is effective as a therapeutic agent for various inflammations.
- the present inventors have completed the present invention by finding a compound whose steroid hormone synthesis inhibitory action is dramatically attenuated.
- R 1 is a halogen atom, a C 1 -C 3 alkyl, a phenyl group which may be substituted with C 1 -C 3 alkoxy or trifluoromethyl, or a halogen atom, C 1 -C 3 alkyl, C 1 -C 3 It represents a pyridyl group which may be substituted with alkoxy or trifluoromethyl.
- R 2 is optionally substituted by a halogen atom or a C 1 -C 3 alkyl pyrazinediyl, optionally pyrimidinediyl optionally substituted by a halogen atom or a C 1 -C 3 alkyl or halogen atom or a C 1 -C 3 alkyl, Represents an optionally substituted pyridazinediyl.
- R 3 represents C 1 -C 3 alkyl.
- R 4 and R 5 each independently represents C 1 -C 3 alkyl. Alternatively, —N (R 4 ) R 5 may represent morpholino.
- Y 2 represents C 2 -C 4 alkylene. ] Or a pharmaceutically acceptable salt thereof.
- a therapeutic agent for chronic obstructive pulmonary disease comprising the 5-membered ring compound or a pharmaceutically acceptable salt thereof according to any one of [1] to [7].
- a therapeutic agent for rhinitis comprising the 5-membered ring compound or a pharmaceutically acceptable salt thereof according to any one of [1] to [7].
- a method for treating inflammation comprising administering the 5-membered ring compound or the pharmaceutically acceptable salt thereof according to any one of [1] to [7].
- the 5-membered ring compound of the present invention or a salt thereof inhibits the infiltration of leukocytes such as eosinophils and lymphocytes, thereby providing various therapeutic agents for inflammation.
- C 1 -C 3 alkyl examples include linear or branched C 1 -C 3 alkyl, and specific examples include methyl, ethyl, n-propyl and 2-propyl. Preferred examples As methyl, ethyl is preferable, and methyl is more preferable.
- C 1 -C 3 alkoxy examples include linear or branched C 1 -C 3 alkoxy, and specific examples include methoxy, ethoxy, n-propoxy and 2-propoxy. As methoxy and ethoxy, and more preferred examples include methoxy.
- halogen atom examples include fluorine, chlorine, bromine and iodine.
- Preferred examples include fluorine, chlorine and bromine, and more preferred examples include fluorine and chlorine.
- C 2 -C 4 alkylene examples include linear or branched C 2 -C 4 alkylene, and specific examples include ethylene, trimethylene, tetramethylene, methylethylene, 2-methyltrimethylene and the like. Can be mentioned. Preferable examples include ethylene and trimethylene.
- R 1 is substituted with a substituent, the substituents may be the same or different, and examples of the number of substituents include 1 to 3.
- the 5-membered ring compound of the formula (1) of the present invention can be converted into a pharmaceutically acceptable salt.
- Pharmaceutically acceptable salts include acid addition salts and base addition salts.
- acid addition salts include inorganic acids such as hydrochloride, hydrobromide, and sulfate, organic acids such as citrate, oxalate, malate, tartrate, fumarate, and maleate. Salt.
- the compound included in the present invention may have an asymmetry or a substituent having an asymmetric carbon, and an optical isomer or a geometric isomer may exist.
- the present invention includes a mixture or an isolated form of each of these isomers.
- the present invention also includes solvates such as hydrates of 5-membered ring compounds or pharmaceutically acceptable salts thereof.
- the 5-membered ring compound of the formula (1) of the present invention can be produced by the following method and a method analogous thereto.
- Manufacturing method 1 Compound (1) is produced by the following method.
- X 1 represents a halogen atom such as a chlorine atom or a bromine atom.
- the compound (1) is obtained by reacting the thiourea compound (3) and the ⁇ -haloketone compound (4) in a solvent in the presence or absence of a base.
- the solvent include alcohol solvents such as methanol, ethanol and 2-propanol, ether solvents such as diethyl ether and tetrahydrofuran (THF), halogenated hydrocarbon solvents such as dichloromethane, dichloroethane and chloroform, and aprotic such as dimethylformamide.
- Examples thereof include aromatic solvents such as solvent and toluene.
- Examples of the base include organic amines such as triethylamine, pyridine and 4-dimethylaminopyridine, and inorganic bases such as potassium carbonate and sodium carbonate.
- the reaction temperature is selected from the range of room temperature to the boiling point of the solvent.
- Manufacturing method 2 Compound (1) is also produced by the following method. This production method is effective when a protective group is required when introducing R 3 .
- the protecting group a commonly used protecting group for an amino group can be used. In the following, description will be made using 2-methyl-2-propyloxycarbonyl (hereinafter referred to as Boc).
- the compound (6) is obtained by reacting the thiourea compound (5) and the ⁇ -haloketone compound (4) in a solvent in the presence or absence of a base.
- the solvent include alcohol solvents such as methanol, ethanol and 2-propanol, ether solvents such as diethyl ether and THF, halogenated hydrocarbon solvents such as dichloromethane, dichloroethane and chloroform, aprotic solvents such as dimethylformamide, toluene Aromatic solvents and the like.
- Examples of the base include organic amines such as triethylamine, pyridine and 4-dimethylaminopyridine, and inorganic bases such as potassium carbonate and sodium carbonate.
- the reaction temperature is selected from the range of room temperature to the boiling point of the solvent.
- compound (6) is obtained by deprotecting compound (6) in the presence of an acid in a solvent.
- the acid include inorganic acids such as hydrochloric acid and organic acids such as trifluoroacetic acid.
- the solvent include ether solvents such as diethyl ether, THF, dioxane, and halogenated hydrocarbon solvents such as dichloromethane, dichloroethane, and chloroform.
- the reaction temperature is selected from the range of about 0 ° C. to the boiling point of the solvent.
- Compound (1) can be obtained by reacting compound (7) with a corresponding compound such as isocyanate or carbamate in the presence or absence of a base in a solvent.
- a corresponding compound such as isocyanate or carbamate
- a base such as a solvent
- the solvent include ether solvents such as diethyl ether and THF, halogenated hydrocarbon solvents such as dichloromethane, dichloroethane, and chloroform, aprotic solvents such as dimethylformamide, and aromatic solvents such as toluene.
- the base include organic amines such as triethylamine, pyridine and 4-dimethylaminopyridine, and inorganic bases such as potassium carbonate and sodium carbonate.
- the reaction temperature is selected from the range of room temperature to the boiling point of the solvent.
- Manufacturing method 3 Compound (1) is also produced by the following method.
- R 10 represents alkyl or phenyl substituted by a halogen atom or nitro.
- Compound (8) is obtained by reacting compound (7) with a chloroformate represented by, for example, R 10 OCOCl (R 10 is as defined above) in a solvent in the presence or absence of a base.
- the solvent include ether solvents such as diethyl ether and THF, halogenated hydrocarbon solvents such as dichloromethane, dichloroethane, and chloroform, aprotic solvents such as dimethylformamide, and aromatic solvents such as toluene.
- Examples of the base include organic amines such as triethylamine, pyridine and 4-dimethylaminopyridine, and inorganic bases such as potassium carbonate and sodium carbonate.
- the reaction temperature is selected from the range of room temperature to the boiling point of the solvent.
- Compound (1) is obtained by reacting compound (8) with an amine represented by R 3 NH 2 in a solvent in the presence or absence of a base.
- a solvent include ether solvents such as diethyl ether, THF, dioxane, and halogenated hydrocarbon solvents such as dichloromethane, dichloroethane, and chloroform.
- the base include those described above.
- the reaction temperature is selected from the range of about 0 degrees to the boiling point of the solvent.
- the raw material compounds used in the above production methods 1 to 3 are produced by the following method.
- the thiourea compound (3) can be obtained by reacting the amine compound (12) with the isocyanate compound (13) or the dithiocarbamic acid ester (14) in a solvent.
- the solvent include alcohol solvents such as methanol, ethanol and 2-propanol, ether solvents such as diethyl ether and THF, halogenated hydrocarbon solvents such as dichloromethane, dichloroethane and chloroform, aprotic solvents such as dimethylformamide, toluene Aromatic solvents and the like.
- the reaction temperature is selected from the range of room temperature to the boiling point of the solvent.
- the thiourea compound (3) can be obtained by reacting the amine compound (12) with the isocyanate compound (13) or the dithiocarbamic acid ester (14) in a solvent.
- a solvent include alcohol solvents such as methanol, ethanol and 2-propanol, ether solvents such as diethyl ether and THF, halogenated hydrocarbon solvents such as dichloromethane, dichloroethane and chloroform, aprotic solvents such as dimethylformamide, toluene Aromatic solvents and the like.
- the reaction temperature is selected from the range of room temperature to the boiling point of the solvent.
- the thiourea compound (5) protected with 2-methyl-2-propyloxycarbonyl or the like can be obtained by the following method.
- the thiourea compound (5) can be obtained by reacting the amine compound (15) with the isocyanate compound (10) or the dithiocarbamic acid ester (11) in a solvent.
- a solvent include alcohol solvents such as methanol, ethanol and 2-propanol, ether solvents such as diethyl ether and THF, halogenated hydrocarbon solvents such as dichloromethane, dichloroethane and chloroform, aprotic solvents such as dimethylformamide, toluene Aromatic solvents and the like.
- the reaction temperature is selected from the range of room temperature to the boiling point of the solvent.
- the thiourea compound (5) can be obtained by reacting the amine compound (12) with the isocyanate compound (16) or the dithiocarbamic acid ester (17) in a solvent.
- a solvent include alcohol solvents such as methanol, ethanol and 2-propanol, ether solvents such as diethyl ether and THF, halogenated hydrocarbon solvents such as dichloromethane, dichloroethane and chloroform, aprotic solvents such as dimethylformamide, toluene Aromatic solvents and the like.
- the reaction temperature is selected from the range of room temperature to the boiling point of the solvent.
- the isothiocyanate compounds (10), (13) and (16) are commercially available, or can be obtained from the corresponding amino form, for example, Synlett. 1997, 773-774, J. Org. Chem., It can be synthesized according to the method described in 1997, 62, 4539-4540, or J. Med. Chem., 1984, 27, 1570-1574. In addition, from the corresponding carboxylic acid, for example, synth.SynCommun. ⁇ 1997, 27, 751-756 or synthesized according to methods described in documents such as Indian, J. Chem., 1998, 1153-1156 be able to.
- the dithiocarbamic acid ester compounds (11), (14) and (17) are commercially available, or can be obtained from the corresponding amino form, for example, J. Chem. Soc. 1956, 1644-1649, or Syn. It can be synthesized according to methods described in documents such as Commun. 1984, 537-546.
- the ⁇ -haloketone compound (4) can be obtained commercially, or can be produced, for example, by a method described in a literature such as Bioorganic & Medicinal Chemistry, 2005,13, 3705.
- the 5-membered ring compound (1) of the present invention or an intermediate for producing the compound can be purified by a usual method. Further, when an isomer is present in the 5-membered ring compound (1) of the present invention or an intermediate for producing the compound, it can be purified in the same manner. For example, it can be purified by column chromatography, recrystallization or the like.
- the recrystallization solvent include alcohol solvents such as methanol, ethanol and 2-propanol, ether solvents such as diethyl ether, ester solvents such as ethyl acetate, aromatic hydrocarbon solvents such as toluene, and ketones such as acetone. And solvent solvents, hydrocarbon solvents such as hexane, and mixed solvents thereof.
- Examples of a method for obtaining an optical isomer purely include an optical resolution method.
- an optical resolution method when the compound of the present invention or an intermediate thereof has a basic substituent such as an amino group, the compound of the present invention or the intermediate thereof is, for example, in an inert solvent (for example, methanol, ethanol, 2-propanol).
- Alcohol solvents such as diethyl ether, ether solvents such as diethyl ether, ester solvents such as ethyl acetate, aromatic hydrocarbon solvents such as toluene, acetonitrile and mixed solvents thereof), optically active acids (for example, mandelic acid) , N-benzyloxyalanine, monocarboxylic acids such as lactic acid, tartaric acid, O-diisopropylidene tartaric acid, dicarboxylic acids such as malic acid, sulfonic acids such as camphorsulfonic acid, bromocamphorsulfonic acid) is there.
- optically active acids for example, mandelic acid
- monocarboxylic acids such as lactic acid, tartaric acid, O-diisopropylidene tartaric acid
- dicarboxylic acids such as malic acid
- sulfonic acids such as camphorsulfonic acid, bromocamphorsulfonic acid
- a salt is formed with an optically active amine (for example, organic amines such as ⁇ -phenethylamine, quinine, quinidine, cinchonidine, cinchonine, strychnine).
- optically active amine for example, organic amines such as ⁇ -phenethylamine, quinine, quinidine, cinchonidine, cinchonine, strychnine.
- the temperature at which the salt is formed in the optical resolution method includes a range from room temperature to the boiling point of the solvent. In order to improve the optical purity, it is desirable to raise the temperature once to near the boiling point of the solvent. Before the collected salt is collected by filtration, it can be cooled as necessary to improve the yield.
- the amount of the optically active acid or amine used is in the range of about 0.5 to about 2.0 equivalents, preferably in the range of about 1 equivalent, relative to the substrate.
- Crystals in an inert solvent as necessary for example, alcohol solvents such as methanol, ethanol, 2-propanol, ether solvents such as diethyl ether, ester solvents such as ethyl acetate, aromatic hydrocarbon solvents such as toluene, It can also be recrystallized with acetonitrile or a mixed solvent thereof to obtain a highly pure optically active salt. If necessary, the obtained salt can be treated with an acid or a base by a conventional method to obtain a free form.
- the 5-membered ring compound of the formula (1) or a salt thereof according to the present invention is useful as a medicine, and particularly has an action of suppressing infiltration of leukocytes such as eosinophils and lymphocytes.
- leukocytes such as eosinophils and lymphocytes.
- it is useful as a therapeutic agent for autoimmune disease inflammation, allergic inflammation, acute inflammation, and other inflammatory diseases having cell infiltration.
- autoimmune disease inflammation include rheumatism, multiple sclerosis, inflammatory bowel disease, type I diabetes and the like.
- allergic inflammation include bronchial asthma, inflammatory bowel disease, allergic rhinitis, atopic dermatitis, urticaria, allergic conjunctivitis and the like.
- the 5-membered ring compound and the like are particularly useful for late-onset asthma.
- Examples of acute inflammation include inflammatory lung disease.
- Examples of other inflammatory diseases include eosinophilia, eosinophilic vasculitis, eosinophilic granuloma, transplant rejection, tumor metastasis, and the like.
- steroids used as therapeutic agents for inflammatory diseases, enhancing the therapeutic effect and reducing or eliminating steroids with strong side effects. It becomes.
- antiallergic agents chemical mediator release inhibitors, antihistamines, antileukotrienes, antithromboxanes, etc.
- bronchodilators xanthine preparations such as theophylline
- anticholinergic agents and steroidal agents
- steatosis When used as a therapeutic agent for allergic diseases, antiallergic agents (chemical mediator release inhibitors, antihistamines, antileukotrienes, antithromboxanes, etc.) and bronchodilators (xanthine preparations such as theophylline) in bronchial asthma, ⁇ -stimulants, anticholinergic agents, and steroidal agents can be used in combination.
- non-steroidal anti-inflammatory agents such as cyclooxygenase (COX) inhibitors.
- the 5-membered ring compound of the present invention or a salt thereof can be administered orally or parenterally. When administered orally, it can be administered in a commonly used dosage form. Parenterally, it can be administered in the form of topical administration, injection, transdermal preparation, nasal preparation and the like.
- the oral or rectal administration agent include capsules, tablets, pills, powders, cachets, suppositories, and liquids.
- injections include sterile solutions or suspensions.
- topical administration agent include creams, ointments, lotions, transdermal agents (ordinary patches, matrix agents) and the like.
- the above dosage form is formulated by a usual method using pharmaceutically acceptable excipients and additives.
- pharmaceutically acceptable excipients and additives include carriers, binders, fragrances, buffers, thickeners, colorants, stabilizers, emulsifiers, dispersants, suspending agents, preservatives, and the like. It is done.
- Examples of the pharmaceutically acceptable carrier include magnesium carbonate, magnesium stearate, talc, sugar, lactose, pectin, dextrin, starch, gelatin, tragacanth, methylcellulose, sodium carboxymethylcellulose, a low melting wax, cocoa butter and the like. It is done.
- the capsule can be formulated by placing the compound of the present invention in a capsule together with a pharmaceutically acceptable carrier.
- the compounds of the present invention can be mixed with pharmaceutically acceptable excipients or placed in capsules without excipients. Cachets can be produced in the same manner.
- Powder is formulated with a pharmaceutically acceptable powder base.
- the base include talc, lactose, starch and the like.
- Drops can be formulated with an aqueous or non-aqueous base and one or more pharmaceutically acceptable diffusing agents, suspending agents, solubilizing agents, and the like.
- injection solutions include solutions, suspensions, and emulsions. Examples thereof include an aqueous solution and a water-propylene glycol solution.
- the liquid preparation can also be produced in the form of a solution of polyethylene glycol or / and propylene glycol, which may contain water.
- a solution suitable for oral administration can be produced by adding the compound of the present invention to water and adding a colorant, a fragrance, a stabilizer, a sweetener, a solubilizer, a thickener and the like as necessary.
- a solution suitable for oral administration can also be produced by adding the compound of the present invention together with a dispersant to water and increasing the viscosity.
- the thickener include pharmaceutically acceptable natural or synthetic gum, resin, methylcellulose, sodium carboxymethylcellulose, or a known suspending agent.
- topical administration agent examples include the above liquid preparations, creams, aerosols, sprays, powders, lotions, ointments and the like.
- the above-mentioned topical preparation can be produced by mixing the compound of the present invention with a pharmaceutically acceptable diluent and carrier that are usually used.
- Ointments and creams are obtained, for example, by adding a thickener and / or a gelling agent to an aqueous or oily base.
- the base include water, liquid paraffin, vegetable oil (peanut oil, castor oil, etc.) and the like.
- the thickener include soft paraffin, aluminum stearate, cetostearyl alcohol, propylene glycol, polyethylene glycol, lanolin, hydrogenated lanolin, beeswax and the like.
- Lotions can add one or more pharmaceutically acceptable stabilizers, suspending agents, emulsifying agents, diffusing agents, thickening agents, coloring agents, flavorings, etc. to an aqueous or oily base. .
- the topical administration agent may contain antiseptics such as methyl hydroxybenzoate, propyl hydroxybenzoate, chlorocresol, benzalkonium chloride, and bacterial growth inhibitors as necessary.
- antiseptics such as methyl hydroxybenzoate, propyl hydroxybenzoate, chlorocresol, benzalkonium chloride, and bacterial growth inhibitors as necessary.
- the compounds of the present invention can also be administered nasally in liquid sprays, powders or drops.
- the dose and frequency of administration vary depending on symptoms, age, body weight, dosage form, etc., but when administered orally, it is usually in the range of about 1 to about 1000 mg, preferably about 2 to about 500 mg per day for an adult.
- the range, particularly preferably from about 5 to about 100 mg, can be administered in one or several divided doses.
- When administered as an injection it can be administered in the range of about 0.1 to about 300 mg, preferably about 1 to about 200 mg, in one or several divided doses.
- Triethylamine (277 ⁇ l) and thiophosgene (46 ⁇ l) were added to a tetrahydrofuran (2 ml) solution containing 3-amino-5-chloropyridine (51 mg) under ice cooling, and the mixture was stirred at room temperature for 50 minutes.
- N- (2-amino) ethyl-N′-methylurea methanesulfonate (231 mg) was added thereto, and the mixture was stirred at room temperature for 1 hour.
- Saturated aqueous sodium hydrogen carbonate solution was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was dried over sodium sulfate, and the solvent was distilled off under reduced pressure.
- Pharmacological test Test example 1 Receptor binding evaluation test of compounds using rat lung membrane The test was performed according to the method described by Sugazawa et al. (Sugasawa, T. et al., J. Biol. Chem., 272, 21244-21252 (1997)). Preparation of Rat Lung Membrane SD Rat (7 weeks old, Charles River, Japan) Removed trachea and blood vessels from the isolated lung, shredded, ice-cold Tris-saline buffer (10 mM Tris HCl-154 mM chloride) Wash with sodium, pH 7.4).
- Tris-saline buffer solution containing this buffer for homogenization (1 mM ethylenediaminetetraacetic acid (EDTA), 1 mM 4- (2-aminoethyl) benzenesulfonyl fluoride (AEBSF), 5 ⁇ g / ml aprotinin, 5 ⁇ g / ml leupeptin) It was homogenized with Hiscotron while cooling with ice (maximum speed: 1 minute).
- the supernatant after low speed centrifugation (1500 ⁇ g, 20 minutes, 4 ° C.) is ultracentrifuged (100,000 ⁇ g, 20 minutes, 4 ° C.), and the pellet is suspended in Tris-saline buffer solution at ⁇ 80 ° C. saved.
- the protein concentration was measured with a protein assay kit manufactured by Bio-Rad using bovine serum albumin (BSA) as a standard.
- BSA bovine serum albumin
- Ligand binding test 1 nM [ 125 I] -iodocyanopindolol (purchased from Amersham), 10 ⁇ M serotonin, 20 ⁇ m dl-propranol, in each well of a protein non-adsorbing round bottom 96-well assay plate (purchased from Iwaki Glass) 200 ⁇ l of Tris-saline buffer solution containing 10 ⁇ M phentolamine, 1.1 mM ascorbic acid and 100 ⁇ g lung membrane was added, mixed by pipetting, and then incubated at 37 ° C. for 30 minutes. The test compound was dissolved in a 100% dimethyl sulfoxide solution and 2 ⁇ l (final DMSO concentration: 1%) was added.
- L-threo-3- (3,4-dihydroxyphenyl) -N- [3- (4-fluorophenyl) propyl] serine at a final concentration of 100 ⁇ M was used instead of the test compound.
- Pyrrolidine amide was added.
- 100 ⁇ l of 0.3% polyethyleneimine (PEI) / Tris-saline buffer was added to a multiscreen plate (96-well B glass fiber, Millipore Cat. No. MAFB NOB10) and incubated for 30 minutes or longer.
- the solution was suction filtered and washed (200 ⁇ l ice-cold Tris-saline buffer was added and aspirated), and the reaction solution on the 96-well assay plate was suction filtered and washed four times on the multi-screen plate.
- the B glass fiber filter paper at the bottom of the multi-screen plate was punched out, and the ⁇ dose of [ 125 I] -iodocyanopindolol trapped on the filter paper was measured, and this was used as the binding amount.
- 100 ⁇ ML-threo-3- (3,4-dihydroxyphenyl) -N- [3- (4-fluorophenyl) propyl] serine pyrrolidine amide is defined as the total binding amount in the presence of DMSO (final concentration: 1%).
- the binding amount in the presence was defined as a non-specific binding amount.
- the value obtained by subtracting the nonspecific binding amount from the total binding amount is the specific binding amount.
- the binding activity of the compound was calculated according to the following formula, and it was expressed as a ratio at which the test compound suppresses the specific binding of [ 125 I] -iodocyanopindolol to rat lung membrane SMBS.
- Test example 2 Steroid hormone synthesis inhibition evaluation test (1) Materials Cell Strainer (BD Falcon (registered trademark)) Cell Titer-Glo (registered trademark) (Promega) Collagenase from Clostridium histolyticum (Sigma-Aldrich) Corticosterone EIA kit (Cayman) Dimethylsulfoxide (DMSO) (nacalai tesque) D-MEM (GIBCO) DNase I (Invitrogen) Fetal Bovine Serums (FBS) (Bioflud) Multiple well plates for adhesive cell culture, 96 wells (IWAKI) N 6 , 2'-O-Dibutyryladenosine 3 ', 5'-cyclic monophosphate sodium salt (hereinafter cAMP) (Sigma) Penicillin Streptomycin Mixed Solution (nacalai tesque) Control Examples 1 to 4: Control Example 1 is Example 350 of Patent Document 2. According to Patent Document 2, Control Examples 2 to 4 were synthesized.
- DMSO Dimethylsulfox
- the adrenal glands were removed from the rats, and excess connective tissue, fat, and skin were removed in D-MEM. Transfer the adrenal gland to a polytube, quickly subdivide the adrenal gland with scissors, add 1 mg / mL collagenase and 0.25 ⁇ L DNase I-containing D-MEM, and shake at 37 o C for 10 minutes at 80 times / min. . Thereafter, pipetting was performed using a 1 mL pipette tip from which the tip had been cut, and shaken again under the same conditions. After 10 minutes, pipetting was again performed using a 1 mL pipette tip, the cell suspension was filtered through a metal mesh, and the filtrate was centrifuged at 4 ° C. for 5 minutes at 500 g.
- the supernatant was removed, and 3 mL of a mixed solution of 0.16 M NH 4 Cl and 0.17 M Tris-HCl was added. The mixture was allowed to stand on ice for 5 minutes, and then centrifuged under the same conditions. Thereafter, after removing the supernatant, D-MEM was added to prepare a cell suspension, followed by centrifugation under the same conditions. After removing the supernatant again, add D-MEM to prepare a cell suspension, filter the cell suspension with Cell Strainer (BD Falcon (registered trademark)), and centrifuge the filtrate under the same conditions. went.
- Cell Strainer BD Falcon (registered trademark)
- the cells were incubated at 37 ° C. for 2 hours in a CO 2 incubator. After 2 hours, 50 ⁇ L of the culture supernatant was collected. Regarding cells, cytotoxicity of the test substance was evaluated according to a conventional method using Cell Titer-Glo (registered trademark) (Promega). The collected supernatant was measured for Corticosterone concentration in the supernatant using Corticosterone EIA kit (Cayman) according to a conventional method. After confirming that no cytotoxicity was observed by the test substance, the inhibition rate of 10 ⁇ M test substance against the production of Corticosterone was calculated according to the following formula.
- Test Examples 1 and 2 The results of Test Examples 1 and 2 are shown in Table 5.
- Test example 3 Evaluation of Compound in Guinea Pig Delayed Asthma Model An evaluation test was conducted using the compound obtained in Example 1. After receiving Hartley male guinea pigs (purchased from Japan SLC) for about one week, 2% (w / v) ovalbumin (OA) physiological saline was applied in an ultrasonic nebulizer (OMRON NE-U12, conditions) : Atomization amount maximum, air volume maximum) were used for inhalation exposure for 5 minutes in a plastic box (4 animals / box) and sensitized (day 0). The same operation was performed on the seventh day. On the 14th or 15th day, one animal was inhaled with 2% OA for 5 minutes to induce a reaction (challenge).
- OMRON NE-U12 ultrasonic nebulizer
- the antihistamine pyrilamine maleate (dissolved in physiological saline, 10 mg / 2 ml / kg) was administered intraperitoneally.
- the test compound was suspended in 0.5% methylcellulose (MC) and orally administered at 3 mg / 5 ml / kg 1 hour before antigen challenge.
- 0.5% MC was administered to the control group. Respiratory function was measured and analyzed according to the method of Hatson et al. (Penny A. Hutson et al. Am Rev Respir Dis 1988 137, 548-557).
- Respiratory function was measured before antigen challenge (before drug administration) and 5 minutes, 1, 2, 3, 4, 5, 6, 7, 8 hours after antigen challenge, and the waveform was measured using MacLab Chart v3.4 (AD Instruments) And later analyzed using this. Evaluation was performed using sRaw / TV as an index, and a value obtained by subtracting the previous value of sRaw / TV from sRaw / TV at each time was obtained for each individual. The sRaw / TV value obtained by subtracting the previous value was plotted against the measurement time, and the area under the curve (AUC 4-8 hr ) of each individual was obtained and compared in the time period of 4 to 8 hours of antigen challenge. Statistical analysis was performed using SAS preclinical package Version 5.0. The Dunnett multiple comparison was used to test whether a significant difference was observed between the Control group and each drug addition group. The results are shown in Table 6.
- Example 1 showed an improvement rate of 47%, and a significant difference was observed between the control group (p ⁇ 0.01; Dunnett's test).
- the 5-membered ring compound of the present invention or a salt thereof inhibits the infiltration of leukocytes such as eosinophils and lymphocytes, thereby being useful for treating various inflammations.
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Abstract
Description
[1]式(1):
R2は、ハロゲン原子もしくはC1-C3アルキルで置換されてもよいピラジンジイル、ハロゲン原子もしくはC1-C3アルキルで置換されてもよいピリミジンジイル、またはハロゲン原子もしくはC1-C3アルキルで置換されてもよいピリダジンジイルを表す。
R3は、C1-C3アルキルを表す。
R4、R5は、それぞれ独立してC1-C3アルキルを表す。または、-N(R4)R5がモルホリノを表してもよい。
Y2は、C2-C4アルキレンを表す。]
で表される5員環化合物もしくはその薬学上許容される塩。
[2] R2がハロゲン原子もしくはC1-C3アルキルで置換されてもよいピリダジンジイルである [1]記載の5員環化合物もしくはその薬学上許容される塩。
[3] R2がピリダジンジイルである[1]記載の5員環化合物もしくはその薬学上許容される塩。
[4] -N(R4)R5がモルホリノである[1]記載の5員環化合物もしくはその薬学上許容される塩。
[5] R1がハロゲン原子で置換されてもよいフェニルである[1]記載の5員環化合物もしくはその薬学上許容される塩。
[6] R3がメチルもしくはエチルであり、Y2がC2-C3アルキレンである [1]~[5]記載の5員環化合物もしくはその薬学上許容される塩。
[7]波線が(Z)配位を意味する[1]~[6]のいずれか記載の5員環化合物もしくはその薬学上許容される塩。
[8][1]~[7]のいずれか記載の5員環化合物もしくはその薬学上許容される塩を含有する炎症治療剤。
[9][1]~[7]のいずれか記載の5員環化合物もしくはその薬学上許容される塩を含有する自己免疫疾患性炎症またはアレルギー性炎症の治療剤。
[10][1]~[7]のいずれか記載の5員環化合物もしくはその薬学上許容される塩を含有する慢性閉塞性肺疾患治療剤。
[11][1]~[7]のいずれか記載の5員環化合物もしくはその薬学上許容される塩を含有する気管支喘息治療剤。
[12] [1]~[7]のいずれか記載の5員環化合物もしくはその薬学上許容される塩を含有する鼻炎治療剤。
[13] [1]~[7]のいずれか記載の5員環化合物もしくはその薬学上許容される塩を投与することからなる炎症の治療方法。
[14] 炎症治療剤の製造のための[1]~[7]のいずれか記載の5員環化合物もしくはその薬学上許容される塩の使用。
R1が置換基で置換される場合のその置換基としては、同一または異なっていてもよく、置換基の数としては1~3が挙げられる。
製造方法1
化合物(1)は、下記方法により製造される。
チオウレア化合物(3)とα-ハロケトン化合物(4)を溶媒中、塩基の存在下または非存在下に、反応させることにより、化合物(1)が得られる。溶媒としては、例えば、メタノール、エタノール、2-プロパノール等のアルコール溶媒、ジエチルエーテル、テトラヒドロフラン(THF)等のエーテル溶媒、ジクロロメタン、ジクロロエタン、クロロホルム等のハロゲン化炭化水素溶媒、ジメチルホルムアミド等の非プロトン性溶媒、トルエン等の芳香族溶媒等が挙げられる。塩基としては、トリエチルアミン、ピリジン、4-ジメチルアミノピリジン等の有機アミン、炭酸カリウム、炭酸ナトリウム等の無機塩基が挙げられる。反応温度は室温から溶媒の沸点の範囲から選択される。
製造方法2
化合物(1)は、また、下記方法によっても製造される。本製造方法は、R3導入の際、保護基が必要な場合に有効である。保護基としては、通常よく使われるアミノ基の保護基を使うことができるが、以下では、2-メチル-2-プロピルオキシカルボニル(以下Bocと記載する)を用いて説明をする。
チオウレア化合物(5)とα-ハロケトン化合物(4)を溶媒中、塩基の存在下または非存在下に、反応させることにより、化合物(6)が得られる。溶媒としては、例えば、メタノール、エタノール、2-プロパノール等のアルコール溶媒、ジエチルエーテル、THF等のエーテル溶媒、ジクロロメタン、ジクロロエタン、クロロホルム等のハロゲン化炭化水素溶媒、ジメチルホルムアミド等の非プロトン性溶媒、トルエン等の芳香族溶媒等が挙げられる。塩基としては、トリエチルアミン、ピリジン、4-ジメチルアミノピリジン等の有機アミン、炭酸カリウム、炭酸ナトリウム等の無機塩基が挙げられる。反応温度は室温から溶媒の沸点の範囲から選択される。
製造方法3
化合物(1)は、下記方法によっても製造される。
化合物(7)を溶媒中、塩基の存在下、非存在下に、例えばR10OCOCl(R10は前記と同義である)で示されるクロロフォルメートと反応させて化合物(8)が得られる。溶媒としては、例えば、ジエチルエーテル、THF等のエーテル溶媒、ジクロロメタン、ジクロロエタン、クロロホルム等のハロゲン化炭化水素溶媒、ジメチルホルムアミド等の非プロトン性溶媒、トルエン等の芳香族溶媒等が挙げられる。塩基としては、トリエチルアミン、ピリジン、4-ジメチルアミノピリジン等の有機アミン、炭酸カリウム、炭酸ナトリウム等の無機塩基が挙げられる。反応温度は室温から溶媒の沸点の範囲から選択される。
アミン化合物(12)とイソシアナート化合物(13)またはジチオカルバミド酸エステル(14)とを、溶媒中で、反応させてチオウレア化合物(3)を得ることができる。溶媒としては、例えば、メタノール、エタノール、2-プロパノール等のアルコール溶媒、ジエチルエーテル、THF等のエーテル溶媒、ジクロロメタン、ジクロロエタン、クロロホルム等のハロゲン化炭化水素溶媒、ジメチルホルムアミド等の非プロトン性溶媒、トルエン等の芳香族溶媒等が挙げられる。反応温度は室温から溶媒の沸点の範囲から選択される。
アミン化合物(12)とイソシアナート化合物(13)またはジチオカルバミド酸エステル(14)とを、溶媒中で反応させてチオウレア化合物(3)を得ることができる。溶媒としては、例えば、メタノール、エタノール、2-プロパノール等のアルコール溶媒、ジエチルエーテル、THF等のエーテル溶媒、ジクロロメタン、ジクロロエタン、クロロホルム等のハロゲン化炭化水素溶媒、ジメチルホルムアミド等の非プロトン性溶媒、トルエン等の芳香族溶媒等が挙げられる。反応温度は室温から溶媒の沸点の範囲から選択される。
アミン化合物(15)とイソシアナート化合物(10)またはジチオカルバミド酸エステル(11)とを、溶媒中で反応させてチオウレア化合物(5)を得ることができる。溶媒としては、例えば、メタノール、エタノール、2-プロパノール等のアルコール溶媒、ジエチルエーテル、THF等のエーテル溶媒、ジクロロメタン、ジクロロエタン、クロロホルム等のハロゲン化炭化水素溶媒、ジメチルホルムアミド等の非プロトン性溶媒、トルエン等の芳香族溶媒等が挙げられる。反応温度は室温から溶媒の沸点の範囲から選択される。
アミン化合物(12)とイソシアナート化合物(16)またはジチオカルバミド酸エステル(17)とを、溶媒中で反応させてチオウレア化合物(5)を得ることができる。溶媒としては、例えば、メタノール、エタノール、2-プロパノール等のアルコール溶媒、ジエチルエーテル、THF等のエーテル溶媒、ジクロロメタン、ジクロロエタン、クロロホルム等のハロゲン化炭化水素溶媒、ジメチルホルムアミド等の非プロトン性溶媒、トルエン等の芳香族溶媒等が挙げられる。反応温度は室温から溶媒の沸点の範囲から選択される。
3-アセチル-6-クロロピリダジン
4-(3-アセチルピリダジン-6-イル)モルホリン
N-{2-[(2Z)-2-[(3-フルオロフェニル)イミノ]-3-[6-(モルホリン-4-イル)ピリダジニル]-1,3-チアゾール-3(2H)-イル]エチル}-N'-メチルウレア
MS (ESI-MS): 458[M+1]+., rt = 2.6min.
1H-NMR(CDCl3):δ 2.76(3H, d, J=4.6Hz), 3.64(2H, bs), 3.70-3.72(4H, m), 3.87-3.89(4H, m), 4.24(2H, t, J=6.7Hz), 6.07(1h, s), 6.76-6.83(1H, m), 6.86-6.89(1H, m), 6.97(1H, d, J=9.5Hz), 7.30(1H, m), 7.43(1H, d,J=9.5Hz).
実施例1と同様の方法により、参考例2で得られるアセトフェノンと種々のチオウレアを反応させて表1に示される化合物を得た。
MS detector Perkin-Elmer Sciex API 150EX Mass spectrometer, HPLC Shimadzu LC 8A, Column YMC CombiScreen ODS-A -300-CC 4.6mm X 50mm, Gradient condition ; A : 0.35%TFA/CH3CN, B : 0.05%TFA/H2O, 0.0-0.5min A 10% B 90% 0.5-4.2min Linear gradient from A 10% B90% to A 99% B 1% 4.2-6.3min A 99% B 1%.
N-[2-({[(3-クロロピリジン-5-イル)アミノ]カルボノチオイル}アミノ)エチル]-N'-メチルウレア
1H-NMR(CDCl3):δ 2.75(3H, d, J=4.9Hz), 3.41-3.45(2H, m), 3.73(2H, m), 4.57-4.48(1H, m), 5.0(1H,brs), 8.13(1H, brs), 8.37-8.41(2H,m).
N-{2-[(2Z)-2-[(3-クロロピリジン-5-イル)イミノ]-3-[6-(モルホリン-4-イル)ピリダジニル]-1,3-チアゾール-3(2H)-イル]エチル}-N'-メチルウレア
MS (ESI-MS): 475[M+1]+., rt = 2.0min.
実施例13と同様の方法により、参考例2で得られるアセトフェノンと種々のチオウレアを反応させて表2に示される化合物を得た。
3-アセチル-6-N, N-ジエチルアミノピリダジン
実施例1と同様の方法により、参考例4で得られた3-アセチル-6-N, N-ジエチルアミノピリダジンと種々のチオウレアを反応させて、表3に示される化合物を得た。
MS detector Perkin-Elmer Sciex API 150EX Mass spectrometer, HPLC Shimadzu LC 8A, Column YMC CombiScreen ODS-A -300-CC 4.6mm X 50mm, Gradient condition ; A : 0.35%TFA/CH3CN, B : 0.05%TFA/H2O, 0.0-0.5min A 10% B 90% 0.5-4.2min Linear gradient from A 10% B90% to A 99% B 1% 4.2-6.3min A 99% B 1%.
4-(3-クロロ-4-メチルピリダジン-6-イル)モルホリン
4-(3-アセチル-4-メチルピリダジン-6-イル)モルホリン
実施例1と同様の方法により、参考例6で得られた4-(3-アセチル-4-メチルピリダジン-6-イル)モルホリンと種々のチオウレアを反応させて、表4に示される化合物を得た。
MS detector Perkin-Elmer Sciex API 150EX Mass spectrometer, HPLC Shimadzu LC 8A, Column YMC CombiScreen ODS-A -300-CC 4.6mm X 50mm, Gradient condition ; A : 0.35%TFA/CH3CN, B : 0.05%TFA/H2O, 0.0-0.5min A 10% B 90% 0.5-4.2min Linear gradient from A 10% B90% to A 99% B 1% 4.2-6.3min A 99% B 1%.
試験例1
ラット肺膜を用いた化合物のレセプター結合評価試験
スガサワ等の文献(Sugasawa, T. et al., J. Biol. Chem., 272, 21244-21252(1997))記載の方法に従いおこなった。
ラット肺膜の調製
SD系雄性ラット(供試時7週令、日本チャールズリバー)摘出肺から気管および血管を除去、細断し、氷冷トリス-生理食塩水 緩衝液 (10mMトリス塩酸-154mM塩化ナトリウム、pH7.4)で洗浄した。これをホモジナイズ用緩衝液(1mMエチレンジアミン四酢酸(EDTA)、1mM 4-(2-アミノエチル)ベンゼンスルホニル フルオリド(AEBSF)、5μg/mlアプロチニン、5μg/mlロイペプチン)を含むトリス-生理食塩水 緩衝液中で氷冷しつつヒスコトロンでホモジナイズした(最高速度:1分)。低速遠心(1500×g、20分、4℃)後の上清を超遠心(100000×g、20分、4℃)し、ペレットをトリス-生理食塩水 緩衝液に懸濁し、-80℃で保存した。タンパク濃度はウシ血清アルブミン(BSA)をスタンダードにしてBio-Rad社製プロテインアッセイキットで測定した。
タンパク非吸着性丸底96穴アッセイプレート(岩城硝子社より購入)の各ウエルに1nM[125I]-ヨードシアノピンドロール(アマシャム社より購入)、10μMセロトニン、20μm dl-プロプラノール、10μMフェントラミン、1.1mMアスコルビン酸および100μg肺膜を含むトリス-生理食塩水緩衝液200μlを添加し、ピペッティングして混合したのち、37℃で30分間インキュベートした。試験化合物は100%ジメチルスルホキシド溶液に溶解し、2μl(最終DMSO濃度:1%)添加した。また、非特異的結合量を求めるために試験化合物の代わりに、最終濃度100μMのL-スレオ-3-(3,4-ジヒドロキシフェニル)-N-[3-(4-フルオロフェニル)プロピル]セリンピロリジンアミドを添加した。この間、マルチスクリーンプレート(96穴 Bグラスファイバー、ミリポア Cat. No. MAFB NOB10)に0.3%ポリエチレンイミン(PEI)/トリス-生理食塩水緩衝液を100μl添加して30分以上インキュベートした。吸引濾過洗浄(200μl氷冷トリス-生理食塩水緩衝液を添加して吸引)し、96穴アッセイプレート上の反応液をマルチスクリーンプレート上で4回吸引濾過洗浄した。マルチスクリーンプレート底部のBグラスファイバー濾紙を打ち抜き、濾紙上にトラップされた[125I]-ヨードシアノピンドロールのγ線量を測定し、これを結合量とした。DMSO(最終濃度:1%)存在下の結合量を総結合量とし、100μML-スレオ-3-(3,4-ジヒドロキシフェニル)-N-[3-(4-フルオロフェニル)プロピル]セリンピロリジンアミド存在下の結合量を非特的結合量とした。総結合量から非特異的結合量を差し引いた値が特異的結合量である。化合物の結合活性は下記式にしたがって算出される、試験化合物が、[125I]-ヨードシアノピンドロールのラット肺膜SMBSへの特異的結合を抑制する割合で示した。
ステロイドホルモン合成阻害評価試験
(1) Materials
Cell Strainer (BD Falcon(登録商標))
Cell Titer-Glo(登録商標) (Promega)
Collagenase from Clostridium histolyticum (Sigma-Aldrich)
Corticosterone EIA kit (Cayman)
Dimethylsulfoxide (以下、DMSO) (nacalai tesque)
D-MEM (GIBCO)
DNase I (Invitrogen)
Fetal Bovine Serums (以下、FBS) (Bioflud)
Multiple well plates for adhesive cell culture, 96 wells (IWAKI)
N6,2'-O-Dibutyryladenosine 3',5'-cyclic monophosphate sodium salt (以下、cAMP) (Sigma)
Penicillin Streptomycin Mixed Solution (nacalai tesque)
対照例1~4:対照例1は特許文献2の実施例350である。特許文献2に従い、対照例2~4合成した。
ラットより副腎を摘出し、D-MEM中で余分な結合組織、脂肪、皮膜を取り除いた。ポリチューブに副腎を移し、はさみにより副腎を素早く細分化し、1 mg/mL collagenase、0.25 μL DNase I含有のD-MEMを添加した後、37oCで10分間、80回/分で振とうした。その後、先をカットした1 mLのピペットチップを用いてピペッティングを行い、再度同一条件で振とうした。10分後に再度1 mLのピペットチップを用いてピペッティングを行い、細胞懸濁液を金属メッシュでろ過し、ろ液を4oCで5分間、500 gにて遠心した。上清を除去し、0.16 M NH4Clと0.17 M Tris-HClの混合溶液を3 mL添加した。氷上にて5分間静置した後、同一条件にて遠心を行った。その後、上清を除去した後、D-MEMを加え細胞懸濁液を作製し、同一条件にて遠心を行った。再度、上清を除去した後、D-MEMを加え細胞懸濁液を作製し、Cell Strainer (BD Falcon(登録商標))にて細胞懸濁液をろ過し、ろ液を同一条件で遠心を行った。遠心終了後、上清を除去し、1% Penicillin Streptomycin Mixed Solution、10% FBS含有のD-MEMを添加し、Multiple well plates for adhesive cell culture, 96 wells (IWAKI)に10000 cell/wellずつ播種し、37 oCで一晩、CO2インキュベーターにてインキュベーションした。
被験物質濃度をDMSOにて2000 μMに調製し、D-MEMにて20 μM被験物質含有のD-MEMになるように調製した。
細胞を播種したプレートを一晩インキュベーションした後、培地を取り除き、20 μM被験物質含有のD-MEMを50 μL/well添加した後直ちに20μM cAMP含有のD-MEMを50μL/wellで添加し、被験物質の終濃度を10 μMとした。2種のD-MEMを添加後、37 oCで2時間、CO2インキュベーターにてインキュベーションした。2時間経過後、培地の上清50 μLを回収した。細胞については、Cell Titer-Glo(登録商標) (Promega)を用いて定法に従い被験物質の細胞毒性を評価した。回収した上清は、Corticosterone EIA kit (Cayman)を用いて定法に従い上清中のCorticosterone濃度を測定した。
被験物質による細胞毒性が認められないことを確認した上で、10 μM被験物質のCorticosterone生成に対する阻害率を下記に示す式に従い算出した。
モルモット遅発型喘息モデルにおける化合物の評価
実施例1で得た化合物を用いて評価試験を行った。
Hartley系雄性モルモット(日本エスエルシーより購入)を入荷後予備飼育を約1週間した後、2%(w/v)卵白アルブミン(OA)生理食塩水を超音波式ネブライザー(OMRON NE-U12、条件:霧化量最大、風量最大)を用いて、プラスチックボックス(4匹/ボックス)内にて5分間吸入暴露させ、感作した(day 0)。同様の操作を7日目に行った。14日目または15日目に1匹ずつ、2%OAを5分間吸入させ反応を惹起させた(チャレンジ)。このチャレンジの1時間前に抗ヒスタミン剤のマレイン酸ピリラミン(生理食塩水に溶解、10mg/2ml/kg)を腹腔内投与した。 試験化合物は0.5%メチルセルロース(MC)に懸濁し抗原チャレンジの1時間前、3mg/5ml/kg経口投与した。コントロール群には同様に0.5%MCを投与した。
呼吸機能の測定、解析はハトソンらの方法(Penny A. Hutson et al. Am Rev Respir Dis 1988 137, 548-557)に準じて行った。抗原チャレンジ前(薬物投与前)および抗原チャレンジ5分、1、2、3、4、5、6、7、8時間後に呼吸機能を測定し、波形をMacLab Chart v3.4(AD Instruments)を用いて取り込み、後刻これを用いて解析した。評価は、sRaw/TVを指標に行い、それぞれの各個体において各時間のsRaw/TVから前値のsRaw/TVを減じた値を求めた。測定時間に対し、前値を減じたsRaw/TV値をプロットし、抗原チャレンジ4~8時間の時間帯において各個体のarea under the curve(AUC4-8hr)を求め、比較した。統計解析にはSAS前臨床パッケージVersion5.0を用いて行った。Dunnett型多重比較により、Control群と各薬剤添加群との間に有意差が認められるかどうか検定した。
結果を表6に示す。
Claims (14)
- 式(1):
R2は、ハロゲン原子もしくはC1-C3アルキルで置換されてもよいピラジンジイル、ハロゲン原子もしくはC1-C3アルキルで置換されてもよいピリミジンジイル、またはハロゲン原子もしくはC1-C3アルキルで置換されてもよいピリダジンジイルを表す。
R3は、C1-C3アルキルを表す。
R4、R5は、それぞれ独立してC1-C3アルキルを表す。または、-N(R4)R5がモルホリノを表してもよい。
Y2は、C2-C4アルキレンを表す。]
で表される5員環化合物もしくはその薬学上許容される塩。 - R2がハロゲン原子もしくはC1-C3アルキルで置換されてもよいピリダジンジイルである請求項1記載の5員環化合物もしくはその薬学上許容される塩。
- R2がピリダジンジイルである請求項1記載の5員環化合物もしくはその薬学上許容される塩。
- -N(R4)R5がモルホリノである請求項1記載の5員環化合物もしくはその薬学上許容される塩。
- R1がハロゲン原子で置換されてもよいフェニルである請求項1記載の5員環化合物もしくはその薬学上許容される塩。
- R3がメチルもしくはエチルであり、Y2がC2-C3アルキレンである請求項1~5のいずれか1項に記載の5員環化合物もしくはその薬学上許容される塩。
- 波線が(Z)配位を意味する請求項1~6のいずれか1項に記載の5員環化合物もしくはその薬学上許容される塩。
- 請求項1~7のいずれか1項に記載の5員環化合物もしくはその薬学上許容される塩を含有する炎症治療剤。
- 請求項1~7のいずれか記載の5員環化合物もしくはその薬学上許容される塩を含有する自己免疫疾患性炎症またはアレルギー性炎症の治療剤。
- 請求項1~7のいずれか1項に記載の5員環化合物もしくはその薬学上許容される塩を含有する慢性閉塞性肺疾患治療剤。
- 請求項1~7のいずれか1項に記載の5員環化合物もしくはその薬学上許容される塩を含有する気管支喘息治療剤。
- 請求項1~7のいずれか1項に記載の5員環化合物もしくはその薬学上許容される塩を含有する鼻炎治療剤。
- 請求項1~7のいずれか1項に記載の5員環化合物もしくはその薬学上許容される塩を投与することからなる炎症の治療方法。
- 炎症治療剤の製造のための請求項1~7のいずれか1項に記載の5員環化合物もしくはその薬学上許容される塩の使用。
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JP2005206515A (ja) | 2004-01-22 | 2005-08-04 | Sumitomo Pharmaceut Co Ltd | 5員環化合物 |
WO2006008874A1 (ja) * | 2004-05-21 | 2006-01-26 | Banyu Pharmaceutical Co., Ltd. | アミノチアゾール骨格を有するCdk4,6選択的阻害剤 |
WO2006126581A1 (ja) * | 2005-04-28 | 2006-11-30 | Dainippon Sumitomo Pharma Co., Ltd. | 組合せ医薬 |
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US20030235667A1 (en) * | 2002-06-25 | 2003-12-25 | Darr Richard C. | Multilayered plastic container |
-
2009
- 2009-04-23 CA CA2722007A patent/CA2722007A1/en not_active Abandoned
- 2009-04-23 CN CN2009801240813A patent/CN102076682A/zh active Pending
- 2009-04-23 EP EP09735351A patent/EP2272844A4/en not_active Withdrawn
- 2009-04-23 US US12/989,530 patent/US20110039848A1/en not_active Abandoned
- 2009-04-23 KR KR1020107023682A patent/KR20100134687A/ko not_active Withdrawn
- 2009-04-23 JP JP2010509213A patent/JPWO2009131170A1/ja not_active Withdrawn
- 2009-04-23 WO PCT/JP2009/058053 patent/WO2009131170A1/ja active Application Filing
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WO2002002542A1 (en) | 2000-06-30 | 2002-01-10 | Sumitomo Pharmaceuticals Company, Limited | Five-membered-ring compound |
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JP2003192591A (ja) * | 2001-12-27 | 2003-07-09 | Sumitomo Pharmaceut Co Ltd | 5員環化合物からなる医薬 |
WO2003057693A1 (fr) | 2001-12-28 | 2003-07-17 | Sumitomo Pharmaceuticals Co., Ltd. | Composes cycliques a 5 chainons |
JP2005206515A (ja) | 2004-01-22 | 2005-08-04 | Sumitomo Pharmaceut Co Ltd | 5員環化合物 |
WO2006008874A1 (ja) * | 2004-05-21 | 2006-01-26 | Banyu Pharmaceutical Co., Ltd. | アミノチアゾール骨格を有するCdk4,6選択的阻害剤 |
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Also Published As
Publication number | Publication date |
---|---|
JPWO2009131170A1 (ja) | 2011-08-18 |
EP2272844A4 (en) | 2012-02-22 |
KR20100134687A (ko) | 2010-12-23 |
US20110039848A1 (en) | 2011-02-17 |
EP2272844A1 (en) | 2011-01-12 |
CA2722007A1 (en) | 2009-10-29 |
CN102076682A (zh) | 2011-05-25 |
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