WO2010021034A1 - 皮膚外用剤 - Google Patents
皮膚外用剤 Download PDFInfo
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- WO2010021034A1 WO2010021034A1 PCT/JP2008/064830 JP2008064830W WO2010021034A1 WO 2010021034 A1 WO2010021034 A1 WO 2010021034A1 JP 2008064830 W JP2008064830 W JP 2008064830W WO 2010021034 A1 WO2010021034 A1 WO 2010021034A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/01—Hydrocarbons
- A61K31/015—Hydrocarbons carbocyclic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/368—Carboxylic acids; Salts or anhydrides thereof with carboxyl groups directly bound to carbon atoms of aromatic rings
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/41—Amines
- A61K8/411—Aromatic amines, i.e. where the amino group is directly linked to the aromatic nucleus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/14—Drugs for dermatological disorders for baldness or alopecia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/18—Antioxidants, e.g. antiradicals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P39/00—General protective or antinoxious agents
- A61P39/06—Free radical scavengers or antioxidants
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/02—Preparations for care of the skin for chemically bleaching or whitening the skin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q7/00—Preparations for affecting hair growth
Definitions
- the present invention relates to an improvement of a skin external preparation, particularly a skin external preparation containing a ubiquinone analog.
- skin external preparations such as emulsions, creams, lotions, packs, cleaning agents, dispersions, ointments, detergents, aerosols, patches, poultices, liniments, etc. have the purpose of imparting a prescribed medicinal effect to them.
- Various medicinal ingredients are added.
- ubiquinone-10 The most common 2,3-dimethoxy-5-methyl-1,4-benzoquinone compound in mammals is ubiquinone-10, which has a 50-carbon decaisoprenyl group on the side chain of the benzene ring. It is a compound that has very high fat solubility and does not dissolve in water at all. Due to the poor water solubility of ubiquinone-10, there are restrictions on the formulation of ubiquinone-10, for example, the dosage forms that can be formulated in skin external preparations are limited.
- ubiquinone-10 is widely distributed in the cell membrane, the abundance of ubiquinol-10, which is a highly useful reductant of ubiquinol-10, which has a strong antioxidant activity, is 1/0 compared to ⁇ -tocopherol. It is about 10 and few.
- the supply of the reductant depends on the ability of the reductase in the body.
- Formulas using lipids such as emulsions, liposomes, microparticles, and nanoparticles as an aqueous dispersion of ubiquinone-10 are known (Patent Document 1, Patent Document 2, Patent Document 3, and Patent Document 4). Also, a prescription patent (Patent Document 5) using a high concentration surfactant, lipid and polyethylene glycol, a prescription patent consisting of medium chain fatty acid monoglyceride and vegetable oil (Patent Document 6), a mixture of ubiquinone and phospholipid (Patent Reference 7) is cited as a prior art.
- Patent Document 8 describes that this derivative releases 2,3-dimethoxy-5-methyl-1,4-dihydroxybenzene (reduced form) in vivo. Is not described at all, and there is no description as to whether or not this compound exhibits a medicinal effect as an active ingredient of an external preparation for skin.
- the present invention has been made in view of the above prior art, and has a specific structure that is highly soluble in water and can release 2,3-dimethoxy-5-methyl-1,4-dihydroxybenzene (reduced form). It aims at providing skin external preparations, such as a whitening agent containing the compound which has, and a hair growth promoter.
- the present invention relates to the following [1] to [4], for example.
- OR 1 and OR 2 are each independently a hydroxyl group, A group formed by an esterification reaction between a hydroxyl group and a carboxyl group or carboxylate group of an amino acid, N-acylamino acid, N-alkylamino acid, N, N-dialkylamino acid, pyridinecarboxylic acid or a salt thereof. Yes, OR 1 and OR 2 are not both hydroxyl groups, R 3 is a group represented by the following formula (A);
- n is an integer of 1 to 10.
- the 2,3-dimethoxy-5-methyl-1,4-dihydroxybenzenecarboxylic acid ester derivative represented by the above general formula (I) or a salt thereof has high water solubility, and also has a melanin production inhibitory effect and a hair growth promoting effect. Therefore, it is useful as a whitening component and a hair growth promoting component that can be incorporated into a wide range of preparations such as cosmetics, quasi drugs, and pharmaceuticals. Moreover, the skin external preparation of this invention containing this is excellent in the whitening effect and the hair growth promotion effect.
- FIG. 1 shows the evaluation results of the melanocyte dendrite production inhibitory effect of Example 1.
- FIG. 1 shows the evaluation results of the melanocyte dendrite production inhibitory effect of Example 1.
- FIG. 2 shows the evaluation results of the melanin synthesis inhibitory effect of Example 2.
- UqH-4-DMG represents compound 5 in Table 1
- UqH-1,4-DMG represents compound 4 in Table 1.
- FIG. 3 shows the evaluation results of the mouse hair growth promoting effect of Example 3.
- UqH-4-DMG represents compound 5 in Table 1
- UqH-1,4-DMG represents compound 4 in Table 1.
- the skin external preparation of the present invention is characterized by containing a 2,3-dimethoxy-5-methyl-1,4-dihydroxybenzenecarboxylic acid ester derivative represented by the following general formula (I) or a salt thereof.
- OR 1 and OR 2 are each independently a hydroxyl group or a hydroxyl group and an amino acid, N-acylamino acid, N-alkylamino acid, N, N-dialkylamino acid, pyridinecarboxylic acid or a salt thereof.
- a carboxyl group or a carboxylate group is a group formed by an esterification reaction, and neither OR 1 nor OR 2 is a hydroxyl group.
- an amino acid refers to an organic compound having in the molecule at least one unsubstituted amino group and at least one unsubstituted carboxyl group.
- the amino group and the carboxyl group are preferably bonded with a linear, branched or cyclic alkylene group having 1 to 7 carbon atoms.
- the branched alkylene group means an alkylene group derived from an alkyl group such as isopropyl, isobutyl, 1-ethylpropyl and the like.
- the cyclic alkylene group means an alkylene group containing a cyclopentane ring, a cyclohexane ring, a methylcyclohexane ring or the like in the structure. Particularly preferred as the alkylene group are a methylene group and an ethylene group.
- amino acids examples include glycine from the viewpoint of biocompatibility and water solubility of 2,3-dimethoxy-5-methyl-1,4-dihydroxybenzenecarboxylic acid ester derivatives or salts thereof contained in the external preparation for skin of the present invention.
- glycine is preferred, and glycine is more preferred.
- the N-acyl amino acid is an N-acyl form of the amino acid.
- the acyl group in the N-acyl amino acid include linear or branched acyl groups having 2 to 6 carbon atoms. Examples of such an acyl group include an acetyl group, an n-propanoyl group, an n-butanoyl group, and a tert-butoxycarbonyl group.
- an acetyl group is preferable from the viewpoint of water solubility of the 2,3-dimethoxy-5-methyl-1,4-dihydroxybenzenecarboxylic acid ester derivative or a salt thereof contained in the external preparation for skin of the present invention.
- the N-acylamino acid may not have an unsubstituted amino group.
- the N-alkyl amino acid and the N, N-dialkyl amino acid are an N-alkyl form and an N, N-dialkyl form of the amino acid, respectively.
- alkyl group in these include linear or branched alkyl groups having 1 to 6 carbon atoms.
- alkyl groups include methyl, ethyl, n-propyl, n-butyl, n-pentyl, n-hexyl, isopropyl, isobutyl, 1-methylpropyl, tert- Examples thereof include a butyl group, a 1-ethylpropyl group, and an isoamyl group.
- 2,3-dimethoxy-5-methyl-1,4-dihydroxybenzenecarboxylic acid ester derivatives or salts thereof containing 3 or less alkyl groups contained in the skin external preparation of the present invention are preferable.
- a methyl group and an ethyl group are particularly preferable.
- N-alkyl amino acids and N, N-dialkyl amino acids may not have an unsubstituted amino group.
- the salt of the amino acid, N-acyl amino acid, N-alkyl amino acid, N, N-dialkyl amino acid, or pyridinecarboxylic acid is preferably a hydrogen halide salt or an alkyl sulfonate salt.
- OR 1 and OR 2 are groups formed by an esterification reaction between a hydroxyl group and a carboxylate group of a hydrogen halide salt such as an amino acid, 2,3 represented by the above general formula (I) -Dimethoxy-5-methyl-1,4-dihydroxybenzenecarboxylic acid ester derivatives are also present in the form of salts.
- the salt often has a higher melting point than the original quinone compound, and has the advantage that it is easy to handle during formulation.
- the hydrogen halide salt hydrochloride, hydrobromide and the like are preferable.
- alkyl sulfonate include methane sulfonate.
- R 3 is a group represented by the following formula (A).
- n is an integer of 1 to 10, preferably an integer of 6 to 10.
- R 3 is the same as R 3 in the general formula (I).
- the reducing agent used here include sodium borohydride, sodium hydrosulfite, tri-n-butylphosphine, zinc chloride, and stannous chloride.
- the compound represented by the general formula (I) can be produced by an esterification reaction with a functional acid derivative by a conventional method.
- the amino group of the amino acid, the secondary amino group or the side chain of the amino acid Each functional group present is tert-butoxycarbonyl group (hereinafter abbreviated as “t-BOC group”), benzyloxycarbonyl group (hereinafter abbreviated as “Z group”), 9-fluorenylmethoxycarbonyl group (hereinafter “ Protected with a suitable protecting group such as “FMOC group”), dicyclohexylcarbodiimide (hereinafter abbreviated as “DCC”), 1-methyl-3- (3-dimethylaminopropyl) -carbodiimide hydrochloride (hereinafter “EDC”)
- an active esterification reagent such as N, N-disuccinimid oxalate
- N, N-dialkylamino acid or pyridinecarboxylic acid gives a preferable result by using the hydrogen halide salt thereof and carrying out the esterification reaction in the presence of an active esterification reagent such as DCC, EDC, or DSO.
- an active esterification reagent such as DCC, EDC, or DSO.
- pyridine is preferred as the reaction solvent.
- a carboxyl group or a carboxylate group of the amino acid or the like is activated with an acid halogenite, particularly an acid chloride, and the esterification reaction (the 2,3-dimethoxy-5-methyl-1 is performed). , Reaction with 4-dihydroxybenzene compound) gives favorable results.
- the solvent is preferably an anhydrous benzene / anhydrous pyridine mixture.
- the 2,3-dimethoxy-5-methyl-1,4-dihydroxybenzenecarboxylic acid ester derivative hydrogen halide salt and alkyl sulfonate salt contained in the external preparation for skin of the present invention can be released by the conventional method. It can be produced by reacting 3-dimethoxy-5-methyl-1,4-dihydroxybenzenecarboxylic acid ester derivative with hydrogen halide or alkylsulfonic acid.
- the 2,3-dimethoxy-5-methyl-1,4-dihydroxybenzenecarboxylic acid ester derivative is produced by introducing a protecting group into an amino acid or the like, the halogenated by a conventional method after producing the compound. Upon deprotection with hydroacid, the compound is deprotected and simultaneously becomes a hydrohalide salt.
- the compound represented by the general formula (I) or a salt thereof is a compound having a whitening effect, which exhibits a remarkable inhibitory action in a melanocyte growth and melanin production inhibition test using a human skin three-dimensional culture model.
- the compound represented by the above general formula (I) or a salt thereof is a compound having a hair growth promoting effect that exhibits a remarkable hair growth promoting effect in a hair growth promoting effect test using C3H mice.
- the compound represented by the general formula (I) or a salt thereof has high water solubility and can be easily blended into an aqueous skin external preparation. As a result, it is not necessary to separately add an additive such as a surfactant to solubilize the compound and its salt, and the compound is advantageous in terms of formulation and safety.
- the “whitening effect” does not only refer to the inhibitory effect on melanin production, but includes, for example, suppression of pigmentation, skin dullness, prevention and improvement of skin darkening due to sunburn, etc. Including the effect, it should be interpreted in the broadest sense.
- the skin external preparation of the present invention contains a 2,3-dimethoxy-5-methyl-1,4-dihydroxybenzenecarboxylic acid ester derivative represented by the above general formula (I) or a salt thereof.
- the content thereof is preferably 0.00001 to 6% by mass, more preferably 0.01 to 1% by mass, based on the entire external preparation for skin (100% by mass).
- the compound can be stably blended into a skin external preparation, and the skin external preparation having such a blend can exhibit excellent medicinal effects.
- the preparation form of the external preparation for skin of the present invention is not particularly limited, and examples thereof include emulsions, creams, lotions, packs, cleaning agents, dispersions, ointments, detergents, aerosols, patches, poultices, liniments and the like.
- the external preparation for skin of the present invention may be any of the above-described cosmetics or external medicines.
- components that are usually used in preparations such as cosmetics, quasi-drugs, and external medicines, that is, water, alcohol, Oil agent, surfactant, metal soap, gelling agent, powder, alcohol, water-soluble polymer, film forming agent, resin, UV protection agent, inclusion compound, antibacterial agent, fragrance, deodorant, salt, pH Conditioner, refresher, animal / microbe-derived extract, plant extract, blood circulation promoter, astringent, antiseborrheic agent, whitening agent, anti-inflammatory agent, active oxygen scavenger, cell activator, moisturizer, chelating agent , Keratolytic agents, rinse agents, enzymes, hormone agents, vitamins, and the like.
- Dioxane was distilled off under reduced pressure, and 50 ml of an aqueous sodium hydrogen carbonate solution (0.5 ⁇ M) was added, followed by washing with 100 ml of ethyl acetate.
- the ethyl acetate layer was washed with 50 ml of aqueous sodium bicarbonate solution, and the aqueous layers were combined and made acidic (pH 3) by adding aqueous citric acid solution (0.5M) under ice cooling. After saturating sodium chloride, ethyl acetate was added. (100 ml100x 3).
- 2,3-dimethoxy-5-methyl-6-decaisoprenyl-1,4-dihydroxybenzene was added with 2.8 mmol of Nt-BOC amino acid, 2.8 mmol of DCC, and 30 ml of anhydrous pyridine, and the atmosphere was replaced with argon gas. Thereafter, the mixture is stirred at room temperature for 24 hours.
- 2,3-Dimethoxy-5-methyl-6-decaisoprenylbenzene 1,4-bis-Nt-BOC-amino acid ester is dissolved in a small amount of acetone, and hydrochloric acid-dioxane (3.5 N) is dissolved in the amount of ester bond. Deprotection is performed by adding an amount corresponding to about 20 times the amount of hydrochloric acid. After completion of the reaction, the solvent is distilled off under reduced pressure, and the residue is recrystallized with acetone to obtain 2,3-dimethoxy-5-methyl-6-decaisoprenylbenzene 1,4-bisamino acid ester hydrochloride.
- Manufacturing method B 1.16 mmol of 2,3-dimethoxy-5-methyl-6-decaisoprenyl-1,4-benzoquinone (ubiquinone-10) is dissolved in 100 ml of isopropyl ether, and 2.8 mmol of sodium borohydride is dissolved in 15 ml of methanol. Suspended in water and stirred at room temperature until the yellow solution is colorless.
- ubiquinone-10 2,3-dimethoxy-5-methyl-6-decaisoprenyl-1,4-benzoquinone
- 2,3-dimethoxy-5-methyl-6-decaisoprenyl-4-hydroxybenzene 1-Nt-BOC-amino acid ester, or 2,3-dimethoxy-5-methyl-6-decaisoprenyl-1- Hydroxybenzene 4-Nt-BOC-amino acid ester is dissolved in a small amount of acetone, and hydrochloric acid-dioxane (3.5 N) is added in an amount corresponding to the amount of hydrochloric acid about 20 times the amount of ester bond to perform deprotection. .
- 2,3-Dimethoxy-5-methyl-6-decaisoprenyl-1,4-dihydroxybenzene was added with 2.8 mmol of N, N-dialkylamino acid hydrochloride, 2.8 mmol of DCC, and 30 ml of anhydrous pyridine, and the atmosphere was replaced with argon gas. And stirred for 24 hours at room temperature.
- 2,3-dimethoxy-5-methyl-6-decaisoprenylbenzene 1,4-bis-N, N-dialkylamino acid ester is dissolved in a small amount of n-hexane, 2-fold molar amount of hydrochloric acid-dioxane is added, and the solvent is reduced in pressure. The residue is recrystallized with acetone to obtain hydrochloride of 2,4-dimethoxy-5-methyl-6-decaisoprenylbenzene 1,4-bis-N, N-dialkylamino acid ester.
- 2,3-Dimethoxy-5-methyl-6-decaisoprenyl-1,4-dihydroxybenzene was added with 2.8 mmol of N, N-dialkylamino acid hydrochloride, 2.8 mmol of DCC, and 30 ml of anhydrous pyridine, and the atmosphere was replaced with argon gas. And stirred for 24 hours at room temperature.
- the solvent is distilled off under reduced pressure, the residue is suspended in distilled water, sodium bicarbonate is added to adjust the pH to 7 to 8, and then the soluble fraction is extracted with ethyl acetate (100 ml ⁇ 3 times). The extract was dehydrated with anhydrous sodium sulfate and the solvent was distilled off under reduced pressure.
- N-alkylamino acids are used instead of amino acids (the protected product obtained by reacting N-alkylamino acids with di-tertbutyldicarbonate is N -Alkyl-Nt-BOC amino acid), or by using N-alkyl-Nt-BOC amino acid in place of Nt-BOC amino acid in production method B, 2,3-dimethoxy-5- Methyl-6-decaisoprenylbenzene 1,4-bis-N-alkylamino acid ester hydrochloride, 2,3-dimethoxy-5-methyl-6-decaisoprenyl-4-hydroxybenzene 1-N-alkylamino acid ester And hydrochloride of 2,3-dimethoxy-5-methyl-6-decaisoprenyl-1-hydroxybenzene 4-N-alkylamino acid ester can be obtained. it can.
- Tables 1 and 3 below show specific chemical formulas, physical properties, and production methods of the compounds according to the present invention.
- Table 2 shows mass spectrometry (m / z, FAB-MS) and nuclear magnetic resonance spectrum ( 1 H-NMR, ⁇ (ppm, internal standard TMS)) for the compounds of compound numbers 1 to 6.
- Example 1 ⁇ Inhibition of melanocyte dendrite formation> Using the MEL-300 human skin three-dimensional model (normal human skin keratinocytes including normal human epidermal melanocytes), the melanin production inhibitory effect of compounds 4 and 5 shown in Table 1 was evaluated.
- the MEL-300 skin model cup was transferred to a 6-well plate containing 0.9 ml of EPI-100-LLMM maintenance medium and preincubated for 1 hour at 37 ° C. and 5% CO 2 .
- the maintenance medium was removed by aspiration and replaced with 5 ml of a new maintenance medium, and 0.1 ml of a 30 mmol / l solution of Compound 4 or Compound 5 was added to the MEL-300 skin model cup and cultured. 0.1 ml of 0.2% ethanol solution was added to the control group.
- the maintenance medium and the test substance were changed every 2 days and cultured for 7 days. After 7 days of culturing, a cell photograph inside the three-dimensional human skin model cup was taken, and the ratio (%) of melanocyte area was calculated by image analysis.
- Example 2 ⁇ Melanin synthesis inhibition test> Using the MEL-300 human skin three-dimensional model (normal human skin keratinocytes including normal human epidermal melanocytes), the melanin production inhibitory effect of Compound 4 or Compound 5 shown in Table 1 was evaluated.
- the MEL-300 skin model cup was transferred to a 6-well plate containing 0.9 ml of EPI-100-LLMM maintenance medium and preincubated for 1 hour at 37 ° C. and 5% CO 2 .
- the maintenance medium was removed by aspiration and replaced with 5 ml of a new maintenance medium, and 0.1 ml of a 30 mmol / l solution of Compound 4 and Compound 5 was added to the MEL-300 skin model cup and cultured. 0.1 ml of 0.2% ethanol solution was added to the control group. 0.1 ml of a 30 mmol / l kojic acid solution was added to the positive control group.
- the maintenance medium and the test substance were changed every 2 days and cultured for 14 days. After 14 days of culture, remove the cultured skin pieces from the MEL-300 skin model cup, immerse in 0.2 ml of 1% SDS solution containing 0.05 mM EDTA and 1% Tris-HCl solution, and add 0.02 ml of 5 mg / mL proteinase K solution. , Reacted at 37 ° C. overnight.
- reaction solution was thoroughly stirred to completely break the cultured skin pieces.
- Add 0.025 ml of 500 mM sodium carbonate solution and 0.005 ml of 30% hydrogen peroxide solution to the reaction solution, heat at 80 ° C. for 30 minutes, cool and then add 0.1 ml of chloroform / methanol solution (2: 1 (vol / vol)). In addition, it was centrifuged. The absorbance at 405 nm of the obtained supernatant was measured.
- a calibration curve was prepared from the absorbance of each concentration of melanin solution treated in the same manner, and the amount of melanin in the cultured skin pieces was quantified.
- Example 3 ⁇ Mouse hair growth promotion effect> Seven-week-old male C3H / HeN, which is the resting period of the hair cycle, was used.
- the back of the mouse is shaved with an electric hair clipper (0.05 mm blade) and an electric shaver, and 0.1 ml each of 50 ⁇ mol / g salmon ointment of Compound 4 or Compound 5 once a day from the day after shaving to the shaved site.
- an electric hair clipper 0.05 mm blade
- an electric shaver 0.1 ml each of 50 ⁇ mol / g salmon ointment of Compound 4 or Compound 5 once a day from the day after shaving to the shaved site.
- a corn large stick was used for application, and only the application stimulus by the corn large stick was given to the control group.
- the image of the back of the mouse on the 18th day from the start of application was taken, the ratio of the hair regeneration area to the total shaved area was calculated by image analysis, and the obtained value was defined as the hair regeneration rate (%).
- the significance test was performed by the Post-hoc test (Scheffe method), and the significance level was 5%.
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Abstract
Description
ヒドロキシル基と、アミノ酸、N-アシルアミノ酸、N-アルキルアミノ酸、N,N-ジアルキルアミノ酸、ピリジンカルボン酸またはそれらの塩のカルボキシル基もしくはカルボキシレート基とがエステル化反応することにより形成された基であり、
OR1およびOR2がともにヒドロキシル基であることはなく、
R3は下記式(A)で表される基である;
下記製造方法A~Dに示す方法により表1および3に示す2,3-ジメトキシ-5-メチル-1,4-ジヒドロキシベンゼン誘導体またはその塩を製造した。
アミノ酸0.1molを蒸留水-ジオキサン(1:1,v/v)100mlに溶解し、トリエチルアミン30mlを加え、ジ-tert-ブチルジカルボネートを徐々に加え30分間室温で撹拌する。
2,3-ジメトキシ-5-メチル-6-デカイソプレニル-1,4-ベンゾキノン(ユビキノン-10)1.16 mmolをイソプロピルエーテル100 mlに溶解し、水素化ホウ素ナトリウム2.8 mmolをメタノール15mlに懸濁させて加え、黄色の溶液が無色になるまで室温で撹拌する。
2,3-ジメトキシ-5-メチル-6-デカイソプレニル-1,4-ベンゾキノン(ユビキノン-10)1.16 mmolをイソプロピルエーテル100 mlに溶解し、水素化ホウ素ナトリウム2.8 mmolをメタノール15mlに懸濁させて加え、黄色の溶液が無色になるまで室温で撹拌する。
2,3-ジメトキシ-5-メチル-6-デカイソプレニル-1,4-ベンゾキノン(ユビキノン-10)1.16 mmolをイソプロピルエーテル100 mlに溶解し、水素化ホウ素ナトリウム2.8 mmolをメタノール15mlに懸濁させて加え、黄色の溶液が無色になるまで室温で撹拌する。
<メラノサイト樹状突起生成抑制効果>
MEL-300ヒト皮膚3次元モデル(正常ヒト表皮メラニン細胞を含む正常ヒト皮膚角化細胞)を用いて,表1に示された化合物4および化合物5のメラニン生成抑制効果を評価した。MEL-300皮膚モデルカップを、EPI-100-LLMM維持培地を0.9 mlずつ入れた6ウェルプレートに移し、1時間、37℃、5% CO2にてプリインキュベートした。
<メラニン合成抑制試験>
MEL-300ヒト皮膚3次元モデル(正常ヒト表皮メラニン細胞を含む正常ヒト皮膚角化細胞)を用いて,表1に示された化合物4または化合物5のメラニン生成抑制効果を評価した。MEL-300皮膚モデルカップを、EPI-100-LLMM維持培地を0.9 mlずつ入れた6ウェルプレートに移し、1時間、37℃、5% CO2にてプリインキュベートした。
<マウス体毛成長促進効果>
毛周期の休止期にあたる7週齢の雄性C3H/HeNを使用した。
Claims (4)
- 下記一般式(I)で表される2,3-ジメトキシ-5-メチル-1,4-ジヒドロキシベンゼンカルボン酸エステル誘導体またはその塩を含有する皮膚外用剤:
ヒドロキシル基と、アミノ酸、N-アシルアミノ酸、N-アルキルアミノ酸、N,N-ジアルキルアミノ酸、ピリジンカルボン酸またはそれらの塩のカルボキシル基もしくはカルボキシレート基とがエステル化反応することにより形成された基であり、
OR1およびOR2がともにヒドロキシル基であることはなく、
R3は下記式(A)で表される基である;
- 美白剤として使用されることを特徴とする請求項1に記載の皮膚外用剤。
- 発毛促進剤として使用されることを特徴とする請求項1に記載の皮膚外用剤。
- 抗酸化剤として使用されることを特徴とする請求項1に記載の皮膚外用剤。
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US13/059,160 US20110144376A1 (en) | 2008-08-20 | 2008-08-20 | Dermatological agent |
JP2010525521A JPWO2010021034A1 (ja) | 2008-08-20 | 2008-08-20 | 皮膚外用剤 |
PCT/JP2008/064830 WO2010021034A1 (ja) | 2008-08-20 | 2008-08-20 | 皮膚外用剤 |
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PCT/JP2008/064830 WO2010021034A1 (ja) | 2008-08-20 | 2008-08-20 | 皮膚外用剤 |
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PCT/JP2008/064830 WO2010021034A1 (ja) | 2008-08-20 | 2008-08-20 | 皮膚外用剤 |
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US (1) | US20110144376A1 (ja) |
JP (1) | JPWO2010021034A1 (ja) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014087972A1 (ja) * | 2012-12-03 | 2014-06-12 | 株式会社カネカ | 還元型補酵素q10誘導体およびその製造方法 |
JP2021113162A (ja) * | 2020-01-16 | 2021-08-05 | 学校法人福岡大学 | 光安定性が高く且つ光毒性が低いユビキノール送達剤 |
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JPS61289029A (ja) * | 1985-06-11 | 1986-12-19 | Shiseido Co Ltd | 抗色素沈着剤 |
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JP2003104945A (ja) * | 2001-09-28 | 2003-04-09 | Jiro Takada | 2,3−ジメトキシ−5−メチル−1,4−ジヒドロキシベンゼン誘導体およびその製造方法 |
JP2003267864A (ja) * | 2002-03-14 | 2003-09-25 | Nippon Baruku Yakuhin Kk | 養毛・育毛剤 |
JP2008115170A (ja) * | 2006-10-13 | 2008-05-22 | Showa Denko Kk | ユビキノン誘導体またはその塩を含む皮膚外用剤および化粧料ならびにこれらの使用方法 |
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JPS58201711A (ja) * | 1982-05-19 | 1983-11-24 | Eisai Co Ltd | ユビデカレノン含有リポソ−ム被覆体 |
US4824669A (en) * | 1985-04-11 | 1989-04-25 | Board Of Regents, The University Of Texas System | Formulations of coenzyme Q10 for intravenous use |
JPH07329292A (ja) * | 1994-04-13 | 1995-12-19 | Seiko Epson Corp | インクジェット式記録ヘッド |
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2008
- 2008-08-20 US US13/059,160 patent/US20110144376A1/en not_active Abandoned
- 2008-08-20 JP JP2010525521A patent/JPWO2010021034A1/ja active Pending
- 2008-08-20 WO PCT/JP2008/064830 patent/WO2010021034A1/ja active Application Filing
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JPS61289029A (ja) * | 1985-06-11 | 1986-12-19 | Shiseido Co Ltd | 抗色素沈着剤 |
WO2002038111A1 (fr) * | 2000-11-09 | 2002-05-16 | Teikoku Seiyaku Co., Ltd. | Agent sous forme de compresse |
JP2003104945A (ja) * | 2001-09-28 | 2003-04-09 | Jiro Takada | 2,3−ジメトキシ−5−メチル−1,4−ジヒドロキシベンゼン誘導体およびその製造方法 |
JP2003267864A (ja) * | 2002-03-14 | 2003-09-25 | Nippon Baruku Yakuhin Kk | 養毛・育毛剤 |
JP2008115170A (ja) * | 2006-10-13 | 2008-05-22 | Showa Denko Kk | ユビキノン誘導体またはその塩を含む皮膚外用剤および化粧料ならびにこれらの使用方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014087972A1 (ja) * | 2012-12-03 | 2014-06-12 | 株式会社カネカ | 還元型補酵素q10誘導体およびその製造方法 |
CN104903289A (zh) * | 2012-12-03 | 2015-09-09 | 株式会社钟化 | 还元型辅酶q10衍生物及其制造方法 |
US9518004B2 (en) | 2012-12-03 | 2016-12-13 | Kaneka Corporation | Reduced coenzyme Q10 derivative and method for production thereof |
CN104903289B (zh) * | 2012-12-03 | 2017-06-09 | 株式会社钟化 | 还元型辅酶q10衍生物及其制造方法 |
JP2021113162A (ja) * | 2020-01-16 | 2021-08-05 | 学校法人福岡大学 | 光安定性が高く且つ光毒性が低いユビキノール送達剤 |
JP7535768B2 (ja) | 2020-01-16 | 2024-08-19 | 学校法人福岡大学 | 光安定性が高く且つ光毒性が低いユビキノール送達剤 |
Also Published As
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JPWO2010021034A1 (ja) | 2012-01-26 |
US20110144376A1 (en) | 2011-06-16 |
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