WO2011087006A1 - 色素沈着予防又は改善剤 - Google Patents
色素沈着予防又は改善剤 Download PDFInfo
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- WO2011087006A1 WO2011087006A1 PCT/JP2011/050314 JP2011050314W WO2011087006A1 WO 2011087006 A1 WO2011087006 A1 WO 2011087006A1 JP 2011050314 W JP2011050314 W JP 2011050314W WO 2011087006 A1 WO2011087006 A1 WO 2011087006A1
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- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004264 Petrolatum Substances 0.000 description 1
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- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
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- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical class CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
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- 230000032683 aging Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
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- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- SHGAZHPCJJPHSC-YCNIQYBTSA-N all-trans-retinoic acid Chemical compound OC(=O)\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C SHGAZHPCJJPHSC-YCNIQYBTSA-N 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
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- 125000000129 anionic group Chemical group 0.000 description 1
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- BTFJIXJJCSYFAL-UHFFFAOYSA-N arachidyl alcohol Natural products CCCCCCCCCCCCCCCCCCCCO BTFJIXJJCSYFAL-UHFFFAOYSA-N 0.000 description 1
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- 239000002585 base Substances 0.000 description 1
- 235000015278 beef Nutrition 0.000 description 1
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- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
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- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
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- 239000007857 degradation product Substances 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000010511 deprotection reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 125000005131 dialkylammonium group Chemical group 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003797 essential amino acid Substances 0.000 description 1
- 235000020776 essential amino acid Nutrition 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002169 ethanolamines Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- VBOQYPQEPHKASR-UHFFFAOYSA-N homocysteic acid Chemical compound OC(=O)C(N)CCS(O)(=O)=O VBOQYPQEPHKASR-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229940119170 jojoba wax Drugs 0.000 description 1
- 239000008308 lipophilic cream Substances 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 125000006178 methyl benzyl group Chemical group 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 229940114937 microcrystalline wax Drugs 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000000510 mucolytic effect Effects 0.000 description 1
- JXTPJDDICSTXJX-UHFFFAOYSA-N n-Triacontane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC JXTPJDDICSTXJX-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004998 naphthylethyl group Chemical group C1(=CC=CC2=CC=CC=C12)CC* 0.000 description 1
- 125000004923 naphthylmethyl group Chemical group C1(=CC=CC2=CC=CC=C12)C* 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- BJRNKVDFDLYUGJ-UHFFFAOYSA-N p-hydroxyphenyl beta-D-alloside Natural products OC1C(O)C(O)C(CO)OC1OC1=CC=C(O)C=C1 BJRNKVDFDLYUGJ-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010647 peptide synthesis reaction Methods 0.000 description 1
- 235000019271 petrolatum Nutrition 0.000 description 1
- 229940066842 petrolatum Drugs 0.000 description 1
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 210000004694 pigment cell Anatomy 0.000 description 1
- 150000003053 piperidines Chemical class 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 230000017854 proteolysis Effects 0.000 description 1
- 230000002797 proteolythic effect Effects 0.000 description 1
- 229930002330 retinoic acid Natural products 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- UQDJGEHQDNVPGU-UHFFFAOYSA-N serine phosphoethanolamine Chemical compound [NH3+]CCOP([O-])(=O)OCC([NH3+])C([O-])=O UQDJGEHQDNVPGU-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 229940032094 squalane Drugs 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 125000005425 toluyl group Chemical group 0.000 description 1
- GYDJEQRTZSCIOI-LJGSYFOKSA-N tranexamic acid Chemical compound NC[C@H]1CC[C@H](C(O)=O)CC1 GYDJEQRTZSCIOI-LJGSYFOKSA-N 0.000 description 1
- 229960000401 tranexamic acid Drugs 0.000 description 1
- 229960001727 tretinoin Drugs 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
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
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
- A61K31/197—Carboxylic acids, e.g. valproic acid having an amino group the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid
- A61K31/198—Alpha-amino acids, e.g. alanine or edetic acid [EDTA]
-
- 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
- A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
- A61K8/466—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfonic acid derivatives; Salts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0014—Skin, i.e. galenical aspects of topical compositions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/10—Dispersions; Emulsions
-
- 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
-
- 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
- A61P17/16—Emollients or protectives, e.g. against radiation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/02—Sulfonic acids having sulfo groups bound to acyclic carbon atoms
- C07C309/03—Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
- C07C309/17—Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing carboxyl groups bound to the carbon skeleton
- C07C309/18—Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing carboxyl groups bound to the carbon skeleton containing amino groups bound to the same carbon skeleton
Definitions
- the present invention relates to a skin external preparation suitable for cosmetics (including quasi-drugs), and more specifically, a compound represented by the following general formula (1), its isomers and / or their pharmacological properties.
- the present invention relates to a skin external preparation characterized by containing an agent for preventing or improving pigmentation, which is composed of an acceptable salt.
- R 1 represents a hydrogen atom or a linear or branched alkyl group having 1 to 8 carbon atoms
- R 2 represents a hydrogen atom or an unsubstituted or substituted carbon group having 1 to 8 carbon atoms.
- R 3 is an unsubstituted or substituted aromatic group having 5 to 15 carbon atoms
- n represents an integer of 1 or 2
- m represents an integer of 0 to 3.
- Skin pigmentation, blemishes, liver spots, senile pigment spots, etc. after tanning in the skin is a state in which melanin production is remarkably enhanced by activation of pigment cells (melanocytes) present in the skin.
- Ingredients having the action of preventing or improving the occurrence or deterioration of skin pigment troubles include compounds having a whitening action (whitening agents) such as ascorbic acids, hydrogen peroxide, colloidal sulfur, glutathione, hydroquinone, and catechol. It is well known (for example, see Non-Patent Document 1 and Non-Patent Document 2), and skin external preparations containing the above ingredients as active ingredients are widely used.
- whitening agents various mechanisms of action of compounds known as whitening agents have been reported, including tyrosinase enzyme inhibitory activity, tyrosinase-related proteolysis, and inhibition of melanin transport by suppressing dendrite elongation in melanocytes.
- target molecules for each mechanism of action.
- a small organic molecule that interacts appropriately with a target molecule is useful.
- chemical structure optimization is required to maximize the pharmacological effects of the small organic molecules. There is also a lot of research on this.
- the protein constituting the living body is almost composed of 20 kinds of ⁇ -amino acids having different side chains called essential amino acids.
- the ⁇ -amino acid has been reported to have various biological activities in addition to the function of constituting a biological component.
- methionine and cysteine having a sulfur atom in their chemical structure are expected to have biological activity resulting from the characteristics of sulfur atoms different from other ⁇ -amino acids, and thus pharmaceuticals, cosmetics, foods
- Application to a wide range of fields such as.
- a skin external preparation containing methionine and cysteine use as a hair reducing component (for example, see Patent Document 1), moisturizing component action (for example, see Patent Document 2), etc.
- cysteine derivative N-acetyl-L-cysteine is used as a supplement because it is metabolized to the antioxidant glutathione.
- ⁇ -amino acid derivative containing a sulfur atom in the molecular structure is applied to cosmetics and the like, the stability of the amino acid itself or a composition such as an external preparation for skin, and further a degradation product There are problems such as the generation of a strange odor.
- cysteic acid and derivatives having an aliphatic acyl group on the nitrogen atom include an oil-soluble substrate (see, for example, Patent Document 3), a surfactant (see, for example, Patent Document 4), and mucolytic activity.
- N-benzyl derivative of cysteic acid has an antioxidant action (see, for example, Patent Document 6).
- the compound represented by the general formula (1), its isomers and / or pharmacologically acceptable salts thereof have an effect of preventing or improving pigmentation. It is not done.
- the compound has good solubility in an aqueous or oily medium, is very stable in the compound and in the form of preparation, and has a strange odor when blended in cosmetics such as a skin external preparation. It was not known to do little.
- JP 2005-162699 A Japanese Patent Laid-Open No. 2004-323401 JP 05-117295 A JP 2002-145736 A Japanese Patent Laying-Open No. 2005-530883 Japanese Patent Laid-Open No. 11-343235
- the present invention has been made under such circumstances, and is suitable for prevention or improvement of pigmentation, a pigmentation prevention or improvement agent having a novel mother nucleus, and a skin external preparation containing the component.
- the issue is to provide.
- the present inventors have made extensive efforts to find a novel pigmentation preventing or improving agent suitable for cosmetics (including quasi-drugs). It has been found that the compound represented by the formula (1), its isomer and / or pharmacologically acceptable salt thereof is excellent in preventing or improving pigmentation, and has completed the present invention.
- the present invention is as follows.
- a pigmentation preventing or improving agent comprising a compound represented by the following general formula (1), an isomer thereof and / or a pharmacologically acceptable salt thereof.
- R 1 represents a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms
- R 2 represents a hydrogen atom, an unsubstituted or substituted aliphatic hydrocarbon group having 1 to 8 carbon atoms, an aromatic group having 5 to 12 carbon atoms, a polycyclic fused aromatic group, or a heterocyclic group.
- R 3 represents an unsubstituted or substituted aromatic group having 5 to 15 carbon atoms, a polycyclic fused aromatic group, or a heterocyclic group
- n represents an integer of 1 or 2
- m represents an integer of 0 to 3.
- R 1 represents a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms
- R 2 represents a hydrogen atom
- R 3 represents an unsubstituted or substituted aromatic group having 5 to 15 carbon atoms, a polycyclic fused aromatic group, or a heterocyclic group
- n represents an integer of 1 or 2
- m represents an integer of 0 to 3
- the agent for preventing or improving pigmentation according to ⁇ 1> wherein
- R 1 represents a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms
- R 2 represents a hydrogen atom
- R 3 represents an unsubstituted or substituted aromatic group having 5 to 15 carbon atoms, a polycyclic fused aromatic group, or a heterocyclic group
- n represents an integer of 1 or 2
- m represents 0.
- R 1 represents a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms
- R 2 represents a hydrogen atom
- R 3 represents an unsubstituted or substituted aromatic group having 5 to 15 carbon atoms, a polycyclic fused aromatic group, or a heterocyclic group
- n represents 1
- m represents 0.
- the compound represented by the general formula (1) is N- (o-toluoyl) cysteic acid (compound 1), N- (m-toluoyl) cysteic acid (compound 2), or N- (p-toluoyl).
- Cysteic acid (compound 3), N- (p-methoxybenzoyl) cysteic acid (compound 4), N- (4-phenylbenzoyl) cysteic acid (compound 5), N- (p-toluoyl) homocysteic acid (compound) 6)
- the pigmentation preventing or improving agent according to any one of ⁇ 1> to ⁇ 3>, which is an isomer and / or a pharmacologically acceptable salt thereof.
- ⁇ 6> A skin external preparation characterized by containing the pigmentation preventing or improving agent according to any one of ⁇ 1> to ⁇ 5>.
- ⁇ 7> The external preparation for skin according to ⁇ 6>, which contains 0.0001% by mass to 20% by mass of the pigmentation preventing or improving agent with respect to the total amount of the external preparation for skin.
- ⁇ 8> The external preparation for skin according to ⁇ 6> or ⁇ 7>, which is a cosmetic (however, including quasi-drugs).
- ⁇ 9> A skin whitening external preparation for whitening comprising the compound represented by the general formula (1), an isomer thereof and / or a pharmacologically acceptable salt thereof.
- a compound represented by the general formula (1), a compound defined by the above ⁇ 2> to ⁇ 5>, an isomer thereof and / or a pharmacologically acceptable salt thereof for pigmentation A method for preventing or improving pigmentation, comprising administering to a subject in need of prevention or improvement.
- the skin external preparation of the present invention contains a pigmentation preventing or improving agent comprising the compound represented by the general formula (1), its isomer and / or a pharmacologically acceptable salt thereof.
- the action of the agent for preventing or improving pigmentation of the present invention includes an action for preventing pigmentation formed from the pigmentation-inhibiting action for thinning or eliminating pigmentation that has already been formed.
- the pigmentation preventive or ameliorating agent of the present invention is a compound represented by the general formula (1), an isomer thereof and / or a pharmacologically acceptable salt thereof, which prevents or improves pigmentation.
- a component having a pigmentation inhibitory action is described in “Evaluation of pigmentation inhibitory action by ultraviolet irradiation using colored guinea pig” described later. It can be suitably exemplified.
- the component having a pigmentation inhibitory effect means a component that exhibits a pigmentation inhibitory action in the evaluation substance administration group, more preferably compared to the control group (solvent control group). As compared with the control group, a component having a statistically significant difference in the pigmentation inhibitory action of the evaluation substance administration group is preferable.
- R 1 is a hydrogen atom having 1 to 8 carbon atoms.
- R 2 represents a hydrogen atom, an unsubstituted or substituted aliphatic hydrocarbon group having 1 to 8 carbon atoms, or an aromatic group having 5 to 12 carbon atoms
- R 3 represents an unsubstituted or substituted aromatic group having 5 to 15 carbon atoms, a polycyclic fused aromatic group or a heterocyclic group
- n represents an integer of 1 or 2
- m represents an integer of 0 to 3.
- R 1 represents a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms, more preferably 1 to 4 carbon atoms, and specific examples include a hydrogen atom, a methyl group, an ethyl group, n -Propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group, n-pentyl group, isopentyl group, neopentyl group, tert-pentyl group, 1-methylbutyl group, n-hexyl group 1-methylpentyl group, n-heptyl group, n-octyl group and the like can be preferably exemplified, and more preferably, a hydrogen atom, a methyl group and an ethyl group can be suitably exemplified.
- R 2 represents a hydrogen atom, an unsubstituted or substituted aliphatic hydrocarbon group having 1 to 8, more preferably 1 to 4 carbon atoms, an aromatic group having 5 to 12 carbon atoms, or a polycyclic ring.
- Aromatic group or polycyclic condensed aromatic group which may have an alkoxy group of 1 to 4 (preferably the aromatic group or polycyclic condensed aromatic group is a phenyl group or a naphthyl group), a hydroxy group, etc. Can be suitably exemplified.
- R 2 Specific examples of the group represented by R 2 include hydrogen atom, methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, hydroxyethyl group, hydroxypropyl group, phenyl group.
- R 3 represents an unsubstituted or optionally substituted aromatic group having 5 to 15 carbon atoms, a polycyclic fused aromatic group, or a heterocyclic group, and the substituent includes 1 to 6 carbon atoms. More preferably, it is an alkyl group having 1 to 4 carbon atoms, 1 to 6 carbon atoms, more preferably an alkoxy group having an alkyl chain having 1 to 4 carbon atoms, 1 to 6 carbon atoms, more preferably 1 carbon atom.
- Preferred examples include an alkylamino group having 1 to 4 alkyl chains, a halogen atom, a halogenated alkyl group (preferably having an alkyl chain having 1 to 4 carbon atoms), a hydroxy group, and an amino group.
- R 3 Specific examples of the group represented by R 3 include pyridyl group, methylpyridyl group, ethylpyridyl group, propylpyridyl group, methoxypyridyl group, ethoxypyridyl group, propyloxypyridyl group, hydroxypyridyl group, aminopyridyl group, N -Methylaminopyridyl group, N-ethylaminopyridyl group, N, N-dimethylaminopyridyl group, N, N-diethylaminopyridyl group, chloropyridyl group, fluoropyridyl group, difluoropyridyl group, trifluoromethylpyridyl group, phenyl group , Methylphenyl group, ethylphenyl group, propylphenyl group, methoxyphenyl group, ethoxyphenyl
- phenyl group can be suitably exemplified, more preferably, Pyridyl group, phenyl group, methylphenyl group, ethylphenyl group, methoxyphenyl group, ethoxyphenyl group, fluorophenyl group, trifluoromethylphenyl group, naphthyl group, and biphenyl group can be suitably exemplified.
- the number of substituents of the aliphatic hydrocarbon group, aromatic group, polycyclic fused aromatic group or heterocyclic group can be preferably exemplified by 0 to 3, more preferably 0 or 1,
- substituent on the hydrocarbon group, aromatic group, polycyclic fused aromatic group or heterocyclic group the above-mentioned one type or two or more types of substituents may be present independently.
- n represents an integer of 1 or 2
- m represents an integer of 0 to 3.
- Preferred examples of the compound represented by the general formula (1) include compounds defined by the above ⁇ 2>, isomers thereof and / or pharmacologically acceptable salts thereof. More preferably, a compound defined in the above ⁇ 3>, an isomer thereof and / or a pharmacologically acceptable salt thereof, more preferably a compound defined in the above ⁇ 4> Isomers thereof and / or pharmacologically acceptable salts thereof.
- specific examples of preferred compounds include N- (o-toluoyl) cysteic acid (compound 1).
- Such a compound has an excellent effect of preventing or improving pigmentation.
- R 1 represents a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms
- R 2 represents a hydrogen atom
- R 3 represents an unsubstituted or substituted aromatic group having 5 to 15 carbon atoms, a polycyclic fused aromatic group, or a heterocyclic group
- n is an integer of 1 or 2
- m is An integer of 0 to 3 is represented.
- R 1 represents a hydrogen atom or a linear or branched alkyl group having 1 to 8 carbon atoms. Specific examples include a hydrogen atom, a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, and a hexyl group. , A heptyl group, an octyl group and the like can be preferably exemplified, and more preferably, a hydrogen atom, a methyl group and an ethyl group can be suitably exemplified.
- R 3 represents an unsubstituted or substituted aromatic group having 5 to 15 carbon atoms, a polycyclic fused aromatic group, or a heterocyclic group, and the substituent is preferably 1 to 6 carbon atoms, and more preferably. Is an alkyl group having 1 to 4 carbon atoms, 1 to 6 carbon atoms, more preferably an alkoxy group having an alkyl chain having 1 to 4 carbon atoms, 1 to 6 carbon atoms, more preferably 1 to 4 carbon atoms.
- Preferable examples include an alkylamino group having an alkyl chain, a halogen atom, a halogenated alkyl group (preferably having an alkyl chain having 1 to 4 carbon atoms), a hydroxy group, and an amino group.
- R 3 Specific examples of the group represented by R 3 include pyridyl group, methylpyridyl group, ethylpyridyl group, propylpyridyl group, methoxypyridyl group, ethoxypyridyl group, propyloxypyridyl group, hydroxypyridyl group, aminopyridyl group, N -Methylaminopyridyl group, N-ethylaminopyridyl group, N, N-dimethylaminopyridyl group, N, N-diethylaminopyridyl group, chloropyridyl group, fluoropyridyl group, difluoropyridyl group, trifluoromethylpyridyl group, phenyl group , Methylphenyl group, ethylphenyl group, propylphenyl group, methoxyphenyl group, ethoxyphenyl
- phenyl group can be suitably exemplified, more preferably, Pyridyl group, phenyl group, methylphenyl group, ethylphenyl group, methoxyphenyl group, ethoxyphenyl group, fluorophenyl group, trifluoromethylphenyl group, naphthyl group, and biphenyl group can be suitably exemplified.
- the number of substituents of the aromatic group, polycyclic fused aromatic group or heterocyclic group can be preferably exemplified by 0 to 3, more preferably 0 or 1, and the aliphatic hydrocarbon group, aromatic
- substituent on the group, the polycyclic fused aromatic group or the heterocyclic group the above-mentioned one type or two or more types of substituents may be present independently.
- n represents an integer of 1 or 2
- m represents an integer of 0 to 3.
- N- (phenylethylcarbonyl) cysteic acid N— (Phenylpropylcarbonyl) cysteic acid, N- (benzylcarbonyl) cysteic acid, N- (methylbenzylcarbonyl) cysteic acid, N- (ethylbenzylcarbonyl) cysteic acid, N- (propylbenzylcarbonyl) cysteic acid, N- ( Butylbenzylcarbonyl) cysteic acid, N- (methoxybenzylcarbonyl) cysteic acid, N- (ethoxybenzylcarbonyl) cysteic acid, N- (propyloxybezylcarbonyl) cysteic acid, N- (butyloxybenzylcarbonyl) cysteic acid, N- (Hydroxybenzylcarboni ) Cysteic acid, N- (aminobenzylcarboni ) Cysteic acid, N- (aminobenzylcarboni ) Cysteic acid, N-
- Such a compound has an excellent effect of preventing or improving pigmentation.
- it has excellent solubility in hydrophilic or lipophilic media, is easy to formulate into a topical skin preparation, and is excellent in stability and skin retention in the formulation, and excellent in preventing or improving pigmentation. Demonstrate the effect.
- R 1 represents a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms
- R 2 represents a hydrogen atom
- R 3 represents an unsubstituted or substituted aromatic group having 5 to 15 carbon atoms, a polycyclic fused aromatic group, or a heterocyclic group
- n is an integer of 1 or 2
- m is 0 Represents.
- R 1 represents a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms, more preferably 1 to 4 carbon atoms, and specific examples include a hydrogen atom, a methyl group, an ethyl group, a propyl group.
- a group, a butyl group, a pentyl group, a hexyl group, a heptyl group, an octyl group and the like can be preferably exemplified, and a hydrogen atom, a methyl group and an ethyl group can be suitably exemplified.
- R 3 represents an unsubstituted or substituted aromatic group having 5 to 15 carbon atoms, a polycyclic fused aromatic group, or a heterocyclic group, and the substituent is preferably 1 to 6 carbon atoms, and more preferably. Is an alkyl group having 1 to 4 carbon atoms, 1 to 6 carbon atoms, more preferably an alkoxy group having an alkyl chain having 1 to 4 carbon atoms, 1 to 6 carbon atoms, more preferably 1 to 4 carbon atoms.
- Preferable examples include an alkylamino group having an alkyl chain, a halogen atom, a halogenated alkyl group (preferably having an alkyl chain having 1 to 4 carbon atoms), a hydroxy group, and an amino group.
- R 3 Specific examples of the group represented by R 3 include pyridyl group, methylpyridyl group, ethylpyridyl group, propylpyridyl group, methoxypyridyl group, ethoxypyridyl group, propyloxypyridyl group, hydroxypyridyl group, aminopyridyl group, N -Methylaminopyridyl group, N-ethylaminopyridyl group, N, N-dimethylaminopyridyl group, N, N-diethylaminopyridyl group, chloropyridyl group, fluoropyridyl group, difluoropyridyl group, trifluoromethylpyridyl group, phenyl group , Methylphenyl group, ethylphenyl group, propylphenyl group, methoxyphenyl group, ethoxyphenyl
- phenyl group can be suitably exemplified, more preferably, Pyridyl group, phenyl group, methylphenyl group, ethylphenyl group, methoxyphenyl group, ethoxyphenyl group, fluorophenyl group, trifluoromethylphenyl group, naphthyl group, and biphenyl group can be suitably exemplified.
- the number of substituents of the aromatic group, polycyclic fused aromatic group or heterocyclic group can be preferably exemplified by 0 to 3, more preferably 0 or 1, and the aliphatic hydrocarbon group, aromatic
- substituent on the group, the polycyclic fused aromatic group or the heterocyclic group the above-mentioned one type or two or more types of substituents may be present independently.
- n an integer of 1 or 2
- m represents 0.
- N- (benzoyl) homocysteic acid N- (p-toluoyl) Homocysteic acid (compound 6)
- N- (ethylbenzoyl) homocysteic acid N- (propylbenzoyl) homocysteic acid
- N- (butylbenzoyl) homocysteic acid N- (methoxybenzoyl) homocysteic acid
- N- (Ethoxybenzoyl) homocysteic acid N- (propyloxybenzoyl) homocysteic acid, N- (butyloxybenzoyl) homocysteic acid, N- (hydroxybenzoyl) homocysteic acid, N- (aminobenzoyl) homocysteic acid, N- (N′-methylaminobenzoyl) homocysteic acid, N- (N′-
- Such a compound has an excellent effect of preventing or improving pigmentation.
- it has excellent solubility in hydrophilic or lipophilic media, is easy to formulate into a topical skin preparation, and is excellent in stability and skin retention in the formulation, and excellent in preventing or improving pigmentation. Demonstrate the effect.
- R 1 represents a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms
- R 2 represents a hydrogen atom
- R 3 represents an unsubstituted or substituted aromatic group having 5 to 15 carbon atoms, a polycyclic fused aromatic group, or a heterocyclic group
- n is 1, and m is 0.
- R 1 represents a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms, more preferably 1 to 4 carbon atoms, and specific examples include a hydrogen atom, a methyl group, an ethyl group, a propyl group.
- a group, a butyl group, a pentyl group, a hexyl group, a heptyl group, an octyl group and the like can be preferably exemplified, and a hydrogen atom, a methyl group and an ethyl group can be suitably exemplified.
- R 3 represents an unsubstituted or substituted aromatic group having 5 to 15 carbon atoms, a polycyclic fused aromatic group, or a heterocyclic group, and the substituent is preferably 1 to 6 carbon atoms, and more preferably. Is an alkyl group having 1 to 4 carbon atoms, 1 to 6 carbon atoms, more preferably an alkoxy group having an alkyl chain having 1 to 4 carbon atoms, 1 to 6 carbon atoms, more preferably 1 to 4 carbon atoms.
- Preferable examples include an alkylamino group having an alkyl chain, a halogen atom, a halogenated alkyl group (preferably having an alkyl chain having 1 to 4 carbon atoms), a hydroxy group, and an amino group.
- R 3 Specific examples of the group represented by R 3 include pyridyl group, methylpyridyl group, ethylpyridyl group, propylpyridyl group, methoxypyridyl group, ethoxypyridyl group, propyloxypyridyl group, hydroxypyridyl group, aminopyridyl group, N -Methylaminopyridyl group, N-ethylaminopyridyl group, N, N-dimethylaminopyridyl group, N, N-diethylaminopyridyl group, chloropyridyl group, fluoropyridyl group, difluoropyridyl group, trifluoromethylpyridyl group, phenyl group , Methylphenyl group, ethylphenyl group, propylphenyl group, methoxyphenyl group, ethoxyphenyl
- phenyl group can be suitably exemplified, more preferably, Pyridyl group, phenyl group, methylphenyl group, ethylphenyl group, methoxyphenyl group, ethoxyphenyl group, fluorophenyl group, trifluoromethylphenyl group, naphthyl group, and biphenyl group can be suitably exemplified.
- the number of substituents of the aromatic group, polycyclic fused aromatic group or heterocyclic group can be preferably exemplified by 0 to 3, more preferably 0 or 1, and the aliphatic hydrocarbon group, aromatic
- substituent on the group, the polycyclic fused aromatic group or the heterocyclic group the above-mentioned one type or two or more types of substituents may be present independently.
- N- (pyridylcarbonyl) cysteic acid N- (methylpyridylcarbonyl) cysteic acid, N- (ethylpyridylcarbonyl) cysteic acid, N- (propyl).
- Such a compound has an excellent effect of preventing or improving pigmentation.
- it has excellent solubility in hydrophilic or lipophilic media, is easy to formulate into a topical skin preparation, and is excellent in stability and skin retention in the formulation, and excellent in preventing or improving pigmentation. Demonstrate the effect.
- Such an isomer can be used as such a compound, and the isomer is a stereoisomer such as an optical isomer.
- the compound represented by the general formula (1) and the compounds defined by ⁇ 2> to ⁇ 4> include optical isomers of D form and L form. All of these isomers show excellent pigmentation prevention or improvement action, but L-form can be preferably exemplified by the safety to the living body and the stability in the preparation.
- the compound represented by the general formula (1) and the compounds defined by ⁇ 2> to ⁇ 4>, isomers thereof and / or pharmacologically acceptable salts thereof are commercially available cysteic acid, Deprotection, coupling and protection using homocysteic acid and derivatives thereof as starting materials, according to the production method described below in this specification and, for example, the method described in “Basics and Experiments of Peptide Synthesis (Maruzen)” It can also be produced by carrying out a group introduction reaction.
- Such a compound can be used as it is as an agent for preventing or improving pigmentation, but can also be treated with a pharmacologically acceptable acid or base, converted into a salt form, and used as a salt.
- mineral salts such as hydrochloride, sulfate, nitrate, phosphate, carbonate, maleate, fumarate, oxalate, citrate, lactate, tartrate, methanesulfonate, para Organic acid salts such as toluene sulfonate and benzene sulfonate, alkali metal salts such as sodium salt and potassium salt, alkaline earth metal salts such as calcium salt and magnesium salt, triethylamine salt, triethanolamine salt, ammonium salt, Preferred examples include organic amine salts such as monoethanolamine salts and piperidine salts, and basic amino acid salts such as lysine salts and alginates.
- the compounds represented by the general formula (1) thus obtained and the compounds defined by ⁇ 2> to ⁇ 4>, isomers thereof and / or pharmacologically acceptable salts thereof are excellent. Since it has an effect of preventing or improving pigmentation, it is useful as an active ingredient of an external preparation for skin.
- the pharmacological actions of such active ingredients include melanocyte activation inhibitory action, tyrosinase enzyme inhibitory action, tyrosinase gene expression inhibitory action, tyrosinase protein expression inhibitory action, tyrosinase-related proteolytic action, etc. It is presumed that the production of melanin is suppressed by the activity of inhibiting ze activity and the like, and therefore, it is preferable to exhibit the effect of preventing or improving pigmentation.
- the compound represented by the general formula (1), the compound defined by the above ⁇ 2> to ⁇ 4>, its isomer and / or their pharmacologically acceptable It has been confirmed that the salt has an excellent melanocyte activation inhibitory action in an in vitro evaluation system.
- the compound represented by the general formula (1), the compounds defined in the above ⁇ 2> to ⁇ 4>, isomers thereof and / or pharmacologically acceptable salts thereof are the activity of such melanocytes. It is considered that the suppression of melanin production on the basis of the oxidization inhibitory action or the like shows the confirmed pigmentation inhibitory effect in the in vivo evaluation system.
- the compound represented by the general formula (1) the compounds defined in the above ⁇ 2> to ⁇ 4>, isomers thereof and / or pharmacologically acceptable salts thereof are used for preventing pigmentation or It is useful as an active ingredient of an improving agent.
- the compounds represented by the compound represented by the general formula (1) and the compounds defined by ⁇ 2> to ⁇ 4>, isomers thereof and / or pharmacologically acceptable salts thereof include Some of them have effects other than prevention or improvement of pigmentation. Even if it is a skin external preparation contained for the purpose of expressing such an action, the compound represented by the general formula (1) and the compounds defined by ⁇ 2> to ⁇ 4>, isomers thereof and / or Any of these pharmacologically acceptable salts that are primarily intended to prevent or improve pigmentation will utilize the effects of the present invention, and therefore belong to the technical scope of the present invention.
- the external preparation for skin of the present invention is for preventing or improving pigmentation
- the use for “preventing or improving pigmentation” includes uses mainly intended to achieve by preventing or improving pigmentation, for example, , “For whitening”, “for spot improvement” and the like are also included.
- the skin external preparation of the present invention comprises the compound represented by the general formula (1) and the compounds defined by ⁇ 2> to ⁇ 4>, isomers thereof and / or pharmacologically acceptable salts thereof. It contains the pigmentation prevention or improvement agent which becomes.
- the content with respect to the total amount of the external preparation for skin is less than 0.0001% by mass, the effect of preventing or improving pigmentation is reduced, and even if an amount exceeding 20% by mass is used, the effect reaches its peak, so the total amount of external preparation for skin
- the above content with respect to is preferred.
- optional components usually used in cosmetics can be contained in addition to the essential components.
- Such optional ingredients include hydrocarbons such as squalane, petrolatum, microcrystalline wax, esters such as jojoba oil, carnauba wax, octyldodecyl oleate, triglycerides such as olive oil, beef tallow and coconut oil.
- Fatty acids such as stearic acid, oleic acid, retinoic acid, higher alcohols such as oleyl alcohol, stearyl alcohol, octyldodecanol, anionic surface activity such as sulfosuccinic acid ester and sodium polyoxyethylene alkyl sulfate Agents, amphoteric surfactants such as alkylbetaine salts, cationic surfactants such as dialkylammonium salts, sorbitan fatty acid esters, fatty acid monoglycerides, polyoxyethylene adducts thereof, polyoxyethylene alkyl ethers, polyoxyethylenes
- Nonionic surfactants such as fatty acid esters, polyhydric alcohols such as polyethylene glycol, glycerin, 1,3-butanediol, thickening / gelling agents, antioxidants, UV absorbers, Coloring agents, preservatives, powders and the like can be contained.
- the external preparation for skin of the present invention can
- the skin external preparation of the present invention can be produced by treating these essential components and optional components according to a conventional method and processing them into lotions, emulsions, essences, creams, pack cosmetics, cleansing agents and the like. Any dosage form can be used as long as it can be applied to the skin, but the active ingredient penetrates the skin and exerts its effect. , Cream, essence and the like are more preferable.
- L-cysteic acid 3 (g) (17.7 mmol) (Tokyo Chemical Industry Co., Ltd.), tetrahydrofuran 18 (mL) (Wako Pure Chemical Industries, Ltd.) and water 18 (mL) were placed in a 100 (mL) eggplant-shaped flask. Then, it was cooled in an ice bath. After sufficiently cooling, 4.40 (g) (31.6 mmol) of potassium carbonate (Wako Pure Chemical Industries, Ltd.) was added. o-Toluoyl chloride 3.28 (g) (Tokyo Chemical Industry Co., Ltd.) was sequentially added so that the liquid temperature did not rise. After the addition, the ice bath was removed and the mixture was stirred at room temperature.
- L-cysteic acid 3 (g) (17.7 mmol) (Tokyo Chemical Industry Co., Ltd.), tetrahydrofuran 18 (mL) (Wako Pure Chemical Industries, Ltd.), and water 18 (mL) in 100 (mL) eggplant type flask And then cooled in an ice bath. After sufficiently cooling, the liquid temperature of potassium carbonate 4.40 (g) (31.6 mmol) (Wako Pure Chemical Industries, Ltd.) and m-toluoyl chloride 2.19 (g) (Tokyo Chemical Industry Co., Ltd.) Sequentially added so as not to rise.
- L-cysteic acid 2 (g) (11.8 mmol) (Tokyo Chemical Industry Co., Ltd.), tetrahydrofuran 12 (mL) (Wako Pure Chemical Industries, Ltd.), and water 12 (mL) in 100 (mL) eggplant type flask And then cooled in an ice bath. After sufficiently cooling, the liquid temperature of potassium carbonate 2.94 (g) (21.3 mmol) (Wako Pure Chemical Industries, Ltd.), 4-methoxybenzoyl chloride 1.61 (g) (Tokyo Chemical Industry Co., Ltd.) Sequentially added so as not to rise.
- L-cysteic acid 2 (g) (11.8 mmol) (Tokyo Chemical Industry Co., Ltd.), tetrahydrofuran 12 (mL) (Wako Pure Chemical Industries, Ltd.), and water 12 (mL) in 100 (mL) eggplant type flask And then cooled in an ice bath. After sufficiently cooling, the liquid temperature of potassium carbonate 2.94 (g) (21.3 mmol) (Wako Pure Chemical Industries, Ltd.) and 4-phenylbenzoyl chloride 2.05 (g) (Tokyo Chemical Industry Co., Ltd.) Sequentially added so as not to rise.
- DL-homocysteic acid 2 (g) (10.9 mmol) (Sigma Aldrich), tetrahydrofuran 12 (mL) (Wako Pure Chemical Industries, Ltd.), and water 12 (mL) into a 100 (mL) eggplant type flask After putting, it was cooled in an ice bath. After sufficiently cooling, potassium carbonate 2.71 (g) (19.6 mmol) (Wako Pure Chemical Industries, Ltd.) was added. p-Toluoyl chloride 1.49 (g) (Sigma Aldrich) was sequentially added so as not to raise the liquid temperature.
- ⁇ Test Example 1 Examination of inhibitory effect on activation of normal human melanocytes by B-wave ultraviolet light> The inhibitory effect of each compound on melanocyte activation by melanocyte activator produced and released from human normal keratinocytes by B-wave ultraviolet light was examined using the cell proliferation action of human normal melanocytes as an index.
- the sample compound was dissolved in DMSO at a concentration of 100 mM and diluted 1,000-fold with Humeria-KG2 medium to obtain a sample solution.
- tranexamic acid was dissolved in DMSO at a concentration of 100 mM, and this was diluted 1,000-fold with Humedia-KG2 medium to make a positive control sample solution.
- DMSO diluted 1,000-fold with Humedia-KG2 medium was used as a negative control sample solution. The concentration of each compound was set so as not to affect the cell growth of normal human melanocytes.
- the medium of human normal keratinocytes was replaced with a Humeria-KG2 medium (sample solution) containing a predetermined concentration of compound, and further cultured for 24 hours. Thereafter, the medium was replaced with PBS (phosphate buffered saline), and the cells were irradiated with 5 mJ / cm 2 of B-wave ultraviolet light using an ultraviolet lamp (FL20S ⁇ E-30 / DMR, Toshiba Medical Supplies) as a light source. After UV irradiation, the sample solution was replaced with PBS, and the culture supernatant was recovered after further incubation for 24 hours.
- sample solution containing a predetermined concentration of compound
- Normal human melanocytes were seeded in a 96-well plate using Medium 254 medium (Kurabo) to a density of 3 ⁇ 10 4 cells / well and cultured for 24 hours. Thereafter, the medium was replaced with a culture supernatant collected from normal human keratinocytes, and further cultured for 24 hours. After culturing for 24 hours, the medium was changed to Humedia-KG2 medium containing 0.5 mg / mL 3- (4,5-dimethyl-2-thiazoyl) -2,5-diphenyl-2H-tetrazolium bromide (MTT). Incubate for hours.
- MTT 4,5-dimethyl-2-thiazoyl
- the amount of formazan was determined by measuring the absorbance at 570 nm and 690 nm of the cell lysate lysed with 2-propanol with a microplate reader (Benchmark Plus, Bio-Rad) and subtracting the absorbance at 690 nm from the absorbance at 570 nm. .
- the inhibitory effect of each compound on the proliferation of melanocytes was expressed as a percentage (%) as a formazan production rate when the absorbance of the B-wave ultraviolet irradiation DMSO addition group (negative control group) was taken as 100.
- the inhibitory potency of the evaluation compound against the activation of melanocytes by the melanocyte activator produced and released from normal human keratinocytes is lower. It can be judged that it is large.
- the melanocyte growth rate showed the average and standard deviation of 3 cases.
- ⁇ Test Example 2 Evaluation of inhibitory action on pigmentation of compound 3 using colored guinea pigs by ultraviolet irradiation> After removing and shaving the back skin of 8 colored guinea pigs with an electric clipper and a shaver, and covering this part with a black cloth having a total of 4 2 ⁇ 2 cm irradiation windows, top, bottom, left and right, An ultraviolet ray of 300 mJ / cm 2 was irradiated using a FL20S ⁇ E30 lamp as a light source. This operation was repeated on Tests 1, 3, 5, and 8 to induce pigmentation at four test sites.
- the evaluation compound (compound 3) was prepared by dissolving in ethanol so as to be 0.5% (w / v).
- Ethanol was applied as a solvent control group.
- Application of each evaluation compound was started from the end of the ultraviolet irradiation on the first day of the test.
- Each evaluation compound was applied to a predetermined test site once a day by 30 ⁇ L, and this was continued for 6 weeks (until the 42nd day of the test).
- the skin lightness (L *) of each test site using a color difference meter (CR-200, Konica Minolta Co., Ltd.) before and 6 weeks after the application start date (Test Day 1) and after 6 weeks (Test Day 43) Value), and ⁇ L * value obtained by subtracting L * value before ultraviolet irradiation from L * value on the 43rd day of the test was determined. The results are shown in Table 2.
- Example 1 Production Example 1 of external preparation for skin of the present invention> According to the formulation described in Table 3, a cosmetic (lotion) which is an external preparation for skin of the present invention was prepared. That is, the prescription ingredients were heated to 80 ° C., stirred, dissolved, stirred and cooled to obtain a cosmetic (lotion 1). Similarly, Comparative Example 1 in which “the compound represented by the general formula (1) of the present invention (Compound 3)” was replaced with water was also produced.
- Example 2 Production Example 2 of the skin external preparation of the present invention> A water-in-oil cream was prepared according to the formulation described in Table 5. That is, the ingredients (a) and (b) were each heated to 80 ° C., and (b) was gradually added to the emulsion, emulsified, and the particles were homogenized with a homogenizer, followed by stirring and cooling to obtain a cosmetic (Cream 1). It was. Similarly, the cream of Comparative Example 2 in which “the compound represented by the above general formula (1) of the present invention (compound 3)” was replaced with water, “the compound represented by the above general formula (1) of the present invention”. Comparative Example 3 in which “Compound (Compound 3)” was substituted with arbutin was also prepared.
- ⁇ Test Example 4 Inhibition of pigmentation by UV irradiation of cosmetics (cream) in humans> Using the cosmetics of cream 1, comparative example 2 and comparative example 3, the pigmentation inhibitory effect was examined. Panelers who participated voluntarily-10 cm 1.5 cm x 1.5 cm parts were divided into two upper and lower parts on the inner side of the upper arm, and a total of 4 places were provided, with a minimum of erythema (1 MED) UV irradiation per day Irradiated once for 3 consecutive days. Immediately after the third UV irradiation, 50 ⁇ L of each specimen (Cream 1, Comparative Example or Comparative Example 3 cosmetic) was applied to each test site three times a day for 28 consecutive days. One site was an untreated site.
- the skin lightness (L * value) of each test site was measured with a color difference meter (CR-300, Konica Minolta Co., Ltd.), and ⁇ L * relative to the L value of the untreated site. The value was calculated. The L * value decreases as the degree of pigmentation increases. Therefore, it can be determined that the greater the ⁇ L * value, the more pigmentation is suppressed.
- the results are shown in Table 6.
- the cosmetic (CREAM 1) which is an external preparation for skin of the present invention, has an excellent pigmentation inhibitory effect. This is considered to be due to the pigmentation inhibitory action of the compound (compound 3) represented by the general formula (1) contained in the cream 1.
- the present invention can be applied to skin external preparations such as whitening cosmetics.
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Abstract
Description
R1は、水素原子、炭素数1~8の直鎖又は分岐のアルキル基を表し、
R2は、水素原子、若しくは、無置換の若しくは置換基を有する、炭素数1~8の脂肪族炭化水素基又は炭素数5~12の芳香族基、多環縮合芳香族基又は複素環基を表し、
R3は、無置換の若しくは置換基を有する、炭素数5~15の芳香族基、多環縮合芳香族基又は複素環基を表し、
nは、1又は2の整数、mは、0~3の整数を表す。]
R1が、水素原子、炭素数1~8の直鎖又は分岐のアルキル基を表し、
R2が、水素原子を表し、
R3が、無置換の若しくは置換基を有する、炭素数5~15の芳香族基、多環縮合芳香族基又は複素環基を表し、
nが、1又は2の整数、mが、0~3の整数を表す、
ことを特徴とする、<1>に記載の色素沈着予防又は改善剤。
R1が、水素原子、炭素数1~8の直鎖又は分岐のアルキル基を表し、
R2が、水素原子を表し、
R3が、無置換の若しくは置換基を有する、炭素数5~15の芳香族基、多環縮合芳香族基又は複素環基を表し、
nが、1又は2の整数、mが0を表す、
ことを特徴とする、<1>又は<2>に記載の色素沈着予防又は改善剤。
R1が、水素原子、炭素数1~8の直鎖又は分岐のアルキル基を表し、
R2が、水素原子を表し、
R3が、無置換の若しくは置換基を有する、炭素数5~15の芳香族基、多環縮合芳香族基又は複素環基を表し、
nが1、mが0を表す、
ことを特徴とする、<1>~<3>の何れかに記載の色素沈着予防又は改善剤。
<7>皮膚外用剤全量に対し、前記色素沈着予防又は改善剤を、0.0001質量%~20質量%含有することを特徴とする、<6>に記載の皮膚外用剤。
<8>化粧料(但し、医薬部外品を含む)であることを特徴とする、<6>又は<7>に記載の皮膚外用剤。
<9>前記一般式(1)に表される化合物、その異性体及び/又はそれらの薬理学的に許容される塩を含有することを特徴とする、美白用皮膚外用剤。
<11>前記一般式(1)に表される化合物、前記<2>~<5>に定義される化合物、その異性体及び/又はそれらの薬理学的に許容される塩を、色素沈着に対する予防又は改善が必要な対象に投与することを含む、色素沈着予防又は改善方法。
本発明の皮膚外用剤は、前記一般式(1)に表される化合物、その異性体及び/又はそれらの薬理学的に許容される塩よりなる色素沈着予防又は改善剤を含有することを特徴とする。本発明の色素沈着予防又は改善剤の作用には、既に形成された色素沈着を薄くする又は消去する色素沈着抑制作用に加え、これから形成される色素沈着を予防する作用も包含される。本発明の色素沈着予防又は改善剤としては、前記一般式(1)に表される化合物、その異性体及び/又はそれらの薬理学的に許容される塩であって、色素沈着を予防又は改善する作用を有する成分であれば、特段の限定なく適応することが出来るが、より好ましくは、後記の「有色モルモットを用いた紫外線照射による色素沈着抑制作用評価」において色素沈着抑制作用を有する成分が好適に例示出来る。前記の色素沈着抑制作用評価において色素沈着抑制作用を有する成分とは、コントロ-ル群(溶媒対照群)に比較し、評価物質投与群に色素沈着抑制作用が認められる成分を意味し、より好ましくは、コントロ-ル群に比較し、評価物質投与群の色素沈着抑制作用に統計的な有意差が認められる成分が好ましい。
本発明の皮膚外用剤は、前記一般式(1)に表される化合物及び<2>~<4>に定義される化合物、その異性体及び/又はそれらの薬理学的に許容される塩よりなる色素沈着予防又は改善剤を含有することを特徴とする。
FAB-MS(negative ion mode):M/z=286([M-H]-)
FAB-MS(negative ion mode):M/z=286([M-H]-)
FAB-MS(negative ion mode):M/z=286([M-H]-)、308([M+Na-H]-)
FAB-MS(negative ion mode):M/z=302([M-H]-)
FAB-MS(negative ion mode):M/z=348([M-H]-)
FAB-MS(negative ion mode):M/z=300([M-H]-)
B波紫外線によってヒト正常ケラチノサイトから産生、放出されるメラノサイト活性化因子によるメラノサイト活性化に対する各化合物の抑制効果を、ヒト正常メラノサイトの細胞増殖作用を指標に検討した。
ヒト正常メラノサイトを3×104個/ウェルの密度になるように、Medium254培地(クラボウ)を用いて96穴プレートに播種し、24時間培養した。その後、培地をヒト正常ケラチノサイトから回収した培養上清に交換し、さらに24時間培養した。24時間培養後、0.5mg/mLの3-(4,5-ジメチル-2-チアゾイル)-2,5-ジフェニル-2H-テトラゾリウムブロミド(MTT)を含有するHumedia-KG2培地に交換し、3時間培養した。
有色モルモット8匹の背部皮膚を電気バリカンとシェ-バ-で除毛及び剃毛し、この部位を2×2cmの照射窓を上下左右2ヶ所ずつの計4個有する黒布で覆った後に、FL20S・E30ランプを光源として300mJ/cm2の紫外線を照射した。この操作を試験1、3、5、8日に繰り返し行い、4ヶ所の試験部位に色素沈着を誘導した。評価化合物(化合物3)を0.5%(w/v)となるようにエタノ-ルに溶解し、調製した。また、溶媒対照群としてエタノ-ルを塗布した。試験1日目の紫外線照射終了時より、各評価化合物の塗布を開始した。各評価化合物は、所定の試験部位に1日1回、30μLずつ塗布し、これを6週間(試験42日目まで)継続して実施した。塗布開始日(試験1日目)の紫外線照射前及び6週間後(試験43日目)に、色彩色差計(CR-200、コニカミノルタ株式会社)を用いて各試験部位の皮膚明度(L*値)を測定し、試験43日目のL*値から紫外線照射前のL*値を差し引いたΔL*値を求めた。結果を表2に示す。L*値は色素沈着の程度が強いほど低い値となるため、ΔL*値が大きい程、色素沈着が抑制されたと判断することができる。これにより、化合物3は、皮膚に塗布した場合、0.5%濃度で紫外線により誘導された色素沈着を明らかに抑制したことが判る。
表3に記載の処方に従って、本発明の皮膚外用剤である化粧料(ロ-ション)を作製した。即ち、処方成分を80℃に加熱し、攪拌し、溶解させ、攪拌冷却し、化粧料(ロ-ション1)を得た。同様にして、「本発明の一般式(1)に表される化合物(化合物3)」を水に置換した比較例1も作製した。
ロ-ション1及び比較例1の化粧料を用いて、化合物3の色素沈着抑制効果を調べた。自由意思で参加したパネラ-25名の上腕内側部に、試験初日(1日目)に1.5cm×1.5cmの試験部位を2ヶ所設け、試験部位の皮膚明度(L*値)を色彩色差計(CR-300、コニカミノルタ株式会社)にて測定した。試験初日に皮膚明度を測定した後、試験部位に最少紅斑量の2倍量(2MED)の紫外線を1回照射した。紫外線照射終了直後より1日3回、14日連続して、各試験部位に各検体(ロ-ション1または比較例1の化粧料)を50μL塗布した。塗布終了24時間後(15日目)に色彩色差計(CR-300、コニカミノルタ株式会社)にて各試験部位の皮膚明度(L*値)を測定し、試験初日のL値に対するΔL*値を算出した。結果を表4に示す。ΔL*値は色素沈着の程度が強いほど低い値となるため、ΔL*値が大きい程、色素沈着が抑制されたと判断することができる。これにより、本発明の皮膚外用剤である化粧料は優れた色素沈着抑制効果を有することが分かる。これは、前記一般式(1)に表される化合物(化合物3)のメラニン産生抑制作用によるものと考えられる。
表5に記載の処方に従って、油中水クリ-ムを作成した。即ち、イ、ロの成分をそれぞれ80℃に加熱し、イにロを徐々に加え、乳化し、ホモジナイザ-で粒子を均一化した後、撹拌冷却して化粧料(クリ-ム1)を得た。同様にして、「本発明の前記一般式(1)に表される化合物(化合物3)」を水に置換した比較例2のクリ-ム、「本発明の前記一般式(1)に表される化合物(化合物3)」をアルブチンに置換した比較例3も作製した。
クリ-ム1、比較例2及び比較例3の化粧料を用いて、色素沈着抑制効果を調べた。自由意思で参加したパネラ-10名の上腕内側部に1.5cm×1.5cmの部位を上下2段に分け、2ヶ所ずつ合計4ヶ所設け、最少紅斑量(1MED)の紫外線照射を1日1回、3日連続して3回照射した。3回目の紫外線照射直後より、1日3回、28日連続して、各試験部位に各検体(クリ-ム1、比較例または比較例3の化粧料)50μLを塗布した。1部位は無処置部位とした。塗布終了24時間後(29日目)に色彩色差計(CR-300、コニカミノルタ株式会社)にて各試験部位の皮膚明度(L*値)を測定し、無処置部位のL値に対するΔL*値を算出した。L*値は、色素沈着の程度が強いほど低い値となる。従って、ΔL*値が大きい程、色素沈着が抑制されたと判断することができる。結果を表6に示す。これにより、本発明の皮膚外用剤である化粧料(クリ-ム1)は優れた色素沈着抑制効果を有することが分かる。これは、クリ-ム1に含有される前記一般式(1)に表される化合物(化合物3)の色素沈着抑制作用によると考えられる。
Claims (9)
- 前記一般式(1)において、
R1が、水素原子、炭素数1~8の直鎖又は分岐のアルキル基を表し、
R2が、水素原子を表し、
R3が、無置換の若しくは置換基を有する、炭素数5~15の芳香族基、多環縮合芳香族基又は複素環基を表し、
nが、1又は2の整数、mが、0~3の整数を表す、
ことを特徴とする、請求項1に記載の色素沈着予防又は改善剤。 - 前記一般式(1)において、
R1が、水素原子、炭素数1~8の直鎖又は分岐のアルキル基を表し、
R2が、水素原子を表し、
R3が、無置換の若しくは置換基を有する、炭素数5~15の芳香族基、多環縮合芳香族基又は複素環基を表し、
nが、1又は2の整数、mが0を表す、
ことを特徴とする、請求項1又は2に記載の色素沈着予防又は改善剤。 - 前記一般式(1)において、
R1が、水素原子、炭素数1~8の直鎖又は分岐のアルキル基を表し、
R2が、水素原子を表し、
R3が、無置換の若しくは置換基を有する、炭素数5~15の芳香族基、多環縮合芳香族基又は複素環基を表し、
nが1、mが0を表す、
ことを特徴とする、請求項1~3の何れか一項に記載の色素沈着予防又は改善剤。 - 前記一般式(1)に表される化合物が、N-(o-トルオイル)システイン酸(化合物1)、N-(m-トルオイル)システイン酸(化合物2)、N-(p-トルオイル)システイン酸(化合物3)、N-(p-メトキシベンゾイル)システイン酸(化合物4)、N-(4-フェニルベンゾイル)システイン酸(化合物5)、N-(p-トルオイル)ホモシステイン酸(化合物6)、その異性体及び/又はそれらの薬理学的に許容される塩であることを特徴とする、請求項1~3の何れか一項に記載の色素沈着予防又は改善剤。
- 請求項1~5の何れか一項に記載の色素沈着予防又は改善剤を含有することを特徴とする、皮膚外用剤。
- 皮膚外用剤全量に対し、前記色素沈着予防又は改善剤を、0.0001質量%~20質量%含有することを特徴とする、請求項6に記載の皮膚外用剤。
- 化粧料(但し、医薬部外品を含む)であることを特徴とする、請求項6又は7に記載の皮膚外用剤。
- 前記一般式(1)に表される化合物、その異性体及び/又はそれらの薬理学的に許容される塩を含有することを特徴とする、美白用皮膚外用剤。
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Also Published As
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IL220850B (en) | 2018-11-29 |
US9066914B2 (en) | 2015-06-30 |
CN102686213A (zh) | 2012-09-19 |
US20120282203A1 (en) | 2012-11-08 |
CA2786649C (en) | 2017-09-05 |
UA111324C2 (uk) | 2016-04-25 |
AU2011206133B2 (en) | 2014-09-18 |
JP5671483B2 (ja) | 2015-02-18 |
KR101871004B1 (ko) | 2018-06-25 |
SG182415A1 (en) | 2012-08-30 |
MX2012008055A (es) | 2012-08-01 |
AU2011206133A1 (en) | 2012-08-16 |
CN102686213B (zh) | 2014-11-12 |
EP2524686A1 (en) | 2012-11-21 |
TWI473623B (zh) | 2015-02-21 |
CA2786649A1 (en) | 2011-07-21 |
MY160253A (en) | 2017-02-28 |
RU2012134454A (ru) | 2014-02-20 |
TW201132361A (en) | 2011-10-01 |
IL220850A0 (en) | 2012-09-24 |
EP2524686B1 (en) | 2017-06-21 |
RU2553352C2 (ru) | 2015-06-10 |
JPWO2011087006A1 (ja) | 2013-05-20 |
BR112012017157A2 (ja) | 2018-06-19 |
EP2524686A4 (en) | 2013-05-29 |
KR20120113262A (ko) | 2012-10-12 |
HK1173368A1 (en) | 2013-05-16 |
BR112012017157B1 (pt) | 2018-12-11 |
ES2634489T3 (es) | 2017-09-28 |
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