WO2012020966A2 - 데아닌 유도체, 이의 제조방법 및 이의 항여드름용으로서의 용도 - Google Patents
데아닌 유도체, 이의 제조방법 및 이의 항여드름용으로서의 용도 Download PDFInfo
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- WO2012020966A2 WO2012020966A2 PCT/KR2011/005788 KR2011005788W WO2012020966A2 WO 2012020966 A2 WO2012020966 A2 WO 2012020966A2 KR 2011005788 W KR2011005788 W KR 2011005788W WO 2012020966 A2 WO2012020966 A2 WO 2012020966A2
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- deanine
- derivative
- butyl
- formula
- acne
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- ZNGHBKAYFIORHP-RITPCOANSA-N OC[C@H](C1)OCC[C@H]1O Chemical compound OC[C@H](C1)OCC[C@H]1O ZNGHBKAYFIORHP-RITPCOANSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
- C07H15/02—Acyclic radicals, not substituted by cyclic structures
- C07H15/12—Acyclic radicals, not substituted by cyclic structures attached to a nitrogen atom of the saccharide radical
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
- C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
- C07D407/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
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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
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
- A61K31/351—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom not condensed with another ring
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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
- A61P17/10—Anti-acne agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
Definitions
- the present invention is represented by the following formula (1) or (2), and relates to a deanine derivative having a selective inhibitory effect against acne bacteria in the skin, a preparation method thereof, and use thereof as an anti-acne.
- R 1 and R 2 are hydrogen, methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl or t-butyl.
- R 1 and R 2 are hydrogen, methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl or t-butyl.
- Green tea is a beverage that is favored by many countries in Asia and has received much attention from all over the world as a lot of effects on the human body have recently been reported.
- Green tea is known to contain various ingredients such as polyphenols, protein amino acids, vitamins and minerals.
- polyphenols especially epigallocatechin gallate (EGCG), which are known to have excellent antioxidant and anticancer effects, have been actively conducted.
- EGCG epigallocatechin gallate
- the amino acid deanine which is a specific amino acid in green tea, is found to be an important ingredient that determines the unique flavor and efficacy of green tea.
- Deanine is biosynthesized from the roots of green tea through the enzymatic reaction of glutamine and ethylamine, and then migrated to the leaves and concentrated. Some of them are converted to polyphenols by sunlight, but most of them are in the form of free amino acids. It is said to account for 2% and more than 50% of all amino acids.
- Previous studies on the efficacy of deanine have focused on nerve-related areas, such as generating alpha waves, brain waves in a comfortable and stable state, to stabilize the mind and body, relieve stress, and protect nerve cells.
- the deanine and deanine derivatives While researching the deanine and deanine derivatives, the interest in the form of the deanine derivatives in combination with sugar.
- sugar There are many ways to introduce sugar, but most of them have the disadvantage of going through complicated steps such as introducing and removing protecting groups.
- the Amadori rearrangement reaction allows the introduction of sugars without the introduction of protecting groups or complex steps.
- the Amadori rearrangement reaction also has the disadvantage that it is difficult to obtain the desired product in good yield because the desired product is converted to another material and the production of other by-products increases as the reaction proceeds.
- the various bacteria on the skin is located in a specific flora and acts as a primary shield to prevent the invasion of external microorganisms into the human body.
- the ideal growth of harmful bacteria on the skin of the flora is known to cause skin troubles, the most common of which is known to cause acne (P. acne). Therefore, efforts have been made to find a substance that has a selective antimicrobial effect against acne without affecting other bacteria that are not harmful to the skin.
- Deanine is known to have an antimicrobial effect, but the effect is insignificant and the actual situation is required to improve the effect.
- the inventors of the present invention while conducting a study on the deanine derivatives having an effect related to the skin, found that the dean derivative of a specific structure showed a selective antibacterial effect against acne bacteria, and completed the present invention.
- an object of the present invention is to provide a dean derivative and its use as an anti-acne for exhibiting a selective antimicrobial effect against acne bacteria.
- Another object of the present invention is to provide a method for preparing the deanine derivative.
- the present invention provides a deanine derivative represented by the following formula (1) or (2) and its use as an anti-acne.
- R 1 and R 2 are hydrogen, methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl or t-butyl.
- R 1 and R 2 are hydrogen, methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl or t-butyl.
- the present invention comprises the step of reacting the compound A and maltose to the reaction solvent while heating and stirring; And depositing a product on the reaction solvent. It provides a method for preparing a deanine derivative of Formula 1 or Formula 2, characterized in that it comprises a Scheme 1.
- R 1 and R 2 are hydrogen, methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl or t-butyl.
- the deanine derivative according to the present invention is excellent in the selective antibacterial effect against acne bacteria without affecting other bacteria that are not significantly harmful to the skin.
- the present invention provides a deanine derivative represented by the following formula (1) or (2), a preparation method thereof, and a use thereof as an anti-acne.
- R 1 and R 2 are hydrogen, methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl or t-butyl.
- R 1 and R 2 are hydrogen, methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl or t-butyl.
- Method for producing a deanine derivative of formula (1) or formula (2) according to the present invention comprises the steps of reacting the compound A and maltose to the reaction solvent while heating and stirring; And depositing a product on the reaction solvent. It may be represented by Scheme 1 below.
- R 1 and R 2 are hydrogen, methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl or t-butyl.
- Compound A and maltose are preferably mixed in a molar ratio of 0.8: 1 to 1.2: 1. Below the molar ratio of 0.8: 1, unreacted maltose is difficult to purify by recrystallization, which requires an additional purification step, and above 1.2: 1, the unreacted compound A remains unnecessarily, reducing the economical efficiency of the reaction. This is undesirable because the product is difficult to purify by recrystallization.
- reaction solvent It is important to select an appropriate reaction solvent so that the product produced by heating and stirring the compound A and maltose in the reaction solvent may naturally precipitate on the reaction solvent as the reaction proceeds.
- the product is precipitated on the reaction solvent to minimize the side reactions that may additionally occur and to improve the yield by inducing the equilibrium of the reaction toward the product, after the reaction can be easily separated and purified the desired product through recrystallization.
- Reaction solvents usable in the present invention include water, methanol, n-propanol, isopropanol, n-butanol, isobutanol, t-butanol, 1,2-propanediol, 1,3-propanediol, 1,3-butanediol and glycerol Or may be used alone or selected from the group consisting of water, methanol, ethanol, n-propanol, isopropanol, n-butanol, isobutanol, t-butanol, 1,2-propanediol, 1,3-propanediol , 1,3-butanediol and glycerol may be used in combination of two or more types selected.
- reaction temperature in the said reaction 60 degreeC-70 degreeC is preferable. If the temperature is lower than 60 ° C, the reaction rate is slowed and the reaction time is long. If the temperature is higher than 70 ° C, the side reaction increases, which is not preferable.
- the reaction time in the reaction is preferably 12 hours to 48 hours. In less than 12 hours, the progress of the reaction is not complete, so that the yield is decreased, and in excess of 48 hours, the side reaction increases, which is not preferable because the yield is decreased.
- deanine derivatives of Formula 1 or Formula 2 prepared according to the present invention are mixed and present in an equilibrium state, and maintain an equilibrium state at a ratio of 2: 1 to 10: 1.
- the deanine derivative of the present invention may be contained as an active ingredient of an external preparation composition for skin or cosmetic composition.
- the deanine derivative of the present invention may be contained in the topical skin composition in an amount effective to achieve an anti-acne effect, that is, in an amount of 0.001 to 20.0% by weight, more preferably 0.01 to 5% by weight, based on the total weight of the composition. It is preferable to contain. If the content is less than 0.001% by weight, the desired effect can not be expected, if it exceeds 20.0% by weight there is a fear of composition modification, the viscosity of the formulation is not easy to control and production economy is also low.
- the external preparation composition or cosmetic composition according to the present invention may be formulated containing a cosmetically or dermatologically acceptable medium or base.
- a cosmetically or dermatologically acceptable medium or base for example emulsions, suspensions, microemulsions, microcapsules, microgranules or ionic (liposomes) obtained by dispersing an oil phase in solutions, gels, solids, pasty anhydrous products, aqueous phases and It may be provided in the form of a nonionic vesicle dispersant or in the form of a cream, skin, lotion, powder, ointment, spray, pack, or cone stick. It may also be used in the form of a foam or in the form of an aerosol composition further containing a compressed propellant.
- These compositions can be prepared according to conventional methods in the art.
- the topical skin composition or cosmetic composition according to the present invention is a fatty substance, an organic solvent, a dissolving agent, a thickening agent, a gelling agent, a softening agent, an antioxidant, a suspending agent, a stabilizer, a foaming agent, a fragrance, a surfactant, water Commonly used in ionic or nonionic emulsifiers, fillers, metal ion sequestrants, chelating agents, preservatives, vitamins, blockers, wetting agents, essential oils, dyes, pigments, hydrophilic or lipophilic active agents, lipid vesicles or cosmetics It may contain adjuvants conventionally used in the cosmetic or dermatology field, such as any other ingredient. Such adjuvants are introduced in amounts generally used in the cosmetic or dermatological arts.
- composition of the present invention may further contain other existing anti-acne components in addition to the above-described deanine derivatives for the anti-acne effect, the kinds and contents of these existing anti-acne components are also well known to those skilled in the art.
- the cosmetic composition of the present invention is not particularly limited in its formulation, and may be, for example, a cosmetic composition having a formulation of a flexible cosmetic water, nourishing cosmetic water, massage cream, nourishing cream, pack, gel or skin adhesive type cosmetic.
- test examples and examples are provided only for the purpose of illustration to help the understanding of the present invention, the scope and scope of the present invention is not limited thereto.
- each sample was added to 1% aqueous peptone solution and sterilized. 20 ⁇ l / 2 ml of the test bacteria was inoculated into a sterile peptone aqueous solution containing the samples, followed by shaking culture at 32 ° C for 1 day.
- P. acnes which is known to be harmful
- S. Epidermidis whose relative risk is not known, were selected.
- the shake cultured solution was diluted to 1/100 with normal dilution water, 0.1 ml of the diluted solution was added to a Petri dish, sterilized, and poured into TS agar cooled to about 50 ° C.
- Petri dishes solidified by pouring TS agar were anaerobicly cultured at 35 ° C. for 1 day and the number of bacteria was measured.
- acne bacteria were anaerobic cultured at 35 ° C for 1 day, diluted to 1/100 with normal dilution water, 0.1 ml of the diluted solution was placed in a petri dish, poured into BHI agar and hardened, followed by anaerobic culture for 3 days at 35 ° C. was measured.
- the comparative group was tested using deanine and maltose, and the comparison was made with 100% of the number of bacteria in the untreated group without addition of the sample. The results are shown in Table 1 below.
- the deanine derivatives of Examples 1 to 3 unlike the deanine or maltose, the number of bacteria of S. Epidermidis was not significantly changed, but the number of bacteria of P. acnes decreased to a significant level. As a result, it was confirmed that the selective antibacterial effect against acne bacteria was increased by introducing sugar into theanine.
- the deanine derivative according to the present invention showed a selective and excellent antimicrobial effect against acne without affecting the bacteria that are not significantly harmful among the bacteria present on the skin.
- Formulation Examples 1 to 3 containing the dean derivative according to the present invention showed a faster and better acne improvement effect than Comparative Example 1 containing no dean derivative.
- Nourishing cream containing the deanine derivatives prepared in Examples 1 to 3 was prepared.
- a massage cream containing the deanine derivatives prepared in Examples 1 to 3 was prepared.
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Abstract
Description
| 구분 | S. Epidermidis (%) | P. acnes (%) |
| 비처리군 | 100 | 100 |
| 데아닌 | 98 | 50 |
| 말토오즈 | 89 | 110 |
| 실시예 1 | 83 | 9 |
| 실시예 2 | 93 | 27 |
| 실시예 3 | 86 | 15 |
| 판정 숫자 | 피부 자극 정도 |
| 0 | 자극 없음 |
| 1 | 최소한의 자극 |
| 2 | 약간의 자극(홍반) |
| 3 | 심한 자극(홍반, 부종) |
| 4 | 극심한 자극(홍반, 부종) |
| 구분 | 피부 자극 정도 |
| 실시예 1 | 0.1 |
| 실시예 2 | 0.2 |
| 실시예 3 | 0.1 |
| 성분 | 제형예 1 | 제형예 2 | 제형예 3 | 비교제형예 1 |
| 1. 정제수 | To 100 | To 100 | To 100 | To 100 |
| 2. 글리세린 | 8.0 | 8.0 | 8.0 | 8.0 |
| 3. 부틸렌글리콜 | 4.0 | 4.0 | 4.0 | 4.0 |
| 4. 히아루론산 추출물 | 5.0 | 5.0 | 5.0 | 5.0 |
| 5. 베타글루칸 | 7.0 | 7.0 | 7.0 | 7.0 |
| 6. 카보머 | 0.1 | 0.1 | 0.1 | 0.1 |
| 7. 상기 실시예 1 | 1.0 | - | - | - |
| 8. 상기 실시예 2 | - | 1.0 | - | - |
| 9. 상기 실시예 3 | - | - | 1.0 | - |
| 10. 카프릴릭 카프릭 트리글리세라이드 | 8.0 | 8.0 | 8.0 | 8.0 |
| 11. 스쿠알란 | 5.0 | 5.0 | 5.0 | 5.0 |
| 12. 세테아릴 글루코사이드 | 1.5 | 1.5 | 1.5 | 1.5 |
| 13. 소르비탄 스테아레이트 | 0.4 | 0.4 | 0.4 | 0.4 |
| 14. 세테아릴 알코올 | 1.0 | 1.0 | 1.0 | 1.0 |
| 15. 방부제 | 적량 | 적량 | 적량 | 적량 |
| 16. 향 | 적량 | 적량 | 적량 | 적량 |
| 17. 색소 | 적량 | 적량 | 적량 | 적량 |
| 18. 트리에탄올아민 | 0.1 | 0.1 | 0.1 | 0.1 |
| 구분 | 여드름 개선 효능 평가 | |||
| 1주 | 2주 | 3주 | 4주 | |
| 제형예 1 | + | + | ++ | +++ |
| 제형예 2 | ± | + | + | ++ |
| 제형예 3 | + | + | ++ | ++ |
| 비교제형예 1 | ± | ± | ± | ± |
| 성분 | 함량(중량%) |
| 1. 정제수 | To 100 |
| 2. 글리세린 | 8.0 |
| 3. 부틸렌글리콜 | 4.0 |
| 4. 히아루론산 추출물 | 5.0 |
| 5. 베타글루칸 | 7.0 |
| 6. 카보머 | 0.1 |
| 7. 데아닌 유도체(실시예 1~3 중 1종 이상) | 0.05 |
| 8. 카프릴릭 카프릭 트리글리세라이드 | 8.0 |
| 9. 스쿠알란 | 5.0 |
| 10. 세테아릴 글루코사이드 | 1.5 |
| 11. 소르비탄 스테아레이트 | 0.4 |
| 12. 세테아릴 알코올 | 1.0 |
| 13. 방부제 | 적량 |
| 14. 향 | 적량 |
| 15. 색소 | 적량 |
| 16. 트리에탄올아민 | 0.1 |
| 성분 | 함량(중량%) |
| 1. 정제수 | To 100 |
| 2. 글리세린 | 3.0 |
| 3. 부틸렌글리콜 | 3.0 |
| 4. 유동파라핀 | 7.0 |
| 5. 베타글루칸 | 7.0 |
| 6. 카보머 | 0.1 |
| 7. 데아닌 유도체(실시예 1~3 중 1종 이상) | 0.05 |
| 8. 카프릴릭 카프릭 트리글리세라이드 | 3.0 |
| 9. 스쿠알란 | 5.0 |
| 10. 세테아릴 글루코사이드 | 1.5 |
| 11. 소르비탄 스테아레이트 | 0.4 |
| 12. 폴리솔베이트 | 1.2 |
| 13. 방부제 | 적량 |
| 14. 향 | 적량 |
| 15. 색소 | 적량 |
| 16. 트리에탄올아민 | 0.1 |
| 성분 | 함량(중량%) |
| 1. 정제수 | To 100 |
| 2. 글리세린 | 8.0 |
| 3. 부틸렌글리콜 | 4.0 |
| 4. 유동파라핀 | 45.0 |
| 5. 베타글루칸 | 7.0 |
| 6. 카보머 | 0.1 |
| 7. 데아닌 유도체(실시예 1~3 중 1종 이상) | 0.05 |
| 8. 카프릴릭 카프릭 트리글리세라이드 | 3.0 |
| 9. 밀랍 | 4.0 |
| 10. 세테아릴 글루코사이드 | 1.5 |
| 11. 세스퀴 올레인산 소르비탄 | 0.9 |
| 12. 바세린 | 3.0 |
| 13. 방부제 | 적량 |
| 14. 향 | 적량 |
| 15. 색소 | 적량 |
| 16. 파라핀 | 1.5 |
| 성분 | 함량(중량%) |
| 1. 정제수 | To 100 |
| 2. 글리세린 | 8.0 |
| 3. 부틸렌글리콜 | 4.0 |
| 4. 유동파라핀 | 15.0 |
| 5. 베타글루칸 | 7.0 |
| 6. 카보머 | 0.1 |
| 7. 데아닌 유도체(실시예 1~3 중 1종 이상) | 0.05 |
| 8. 카프릴릭 카프릭 트리글리세라이드 | 3.0 |
| 9. 스쿠알렌 | 1.0 |
| 10. 세테아릴 글루코사이드 | 1.5 |
| 11. 소르비탄 스테아레이트 | 0.4 |
| 12. 세테아릴 알코올 | 1.0 |
| 13. 방부제 | 적량 |
| 14. 향 | 적량 |
| 15. 색소 | 적량 |
| 16. 밀납 | 4.0 |
Claims (10)
- 제1항의 데아닌 유도체의 항여드름용으로서의 용도.
- 제1항의 데아닌 유도체를 유효성분으로 함유하는 항여드름용 피부 외용제 조성물.
- 제3항에 있어서, 상기 데아닌 유도체를 조성물 총 중량에 대하여 0.001~20.0중량%로 함유하는 것을 특징으로 하는 항여드름용 피부 외용제 조성물.
- 제1항에 의한 데아닌 유도체를 유효성분으로 함유하는 화장료 조성물.
- 제5항에 있어서, 상기 데아닌 유도체를 조성물 총 중량에 대하여 0.001~20.0중량%로 함유하는 것을 특징으로 하는 화장료 조성물.
- 제7항에 있어서, 상기 화합물 A와 말토오즈는 0.8:1~1.2:1의 몰비로 혼합되는 것을 특징으로 하는 데아닌 유도체의 제조방법.
- 제7항에 있어서, 상기 반응용매는 물, 메탄올, n-프로판올, 이소프로판올, n-부탄올, 이소부탄올, t-부탄올, 1,2-프로판디올, 1,3-프로판디올, 1,3-부탄디올 및 글리세롤로 이루어진 군에서 1종을 단독으로 선택하여 사용하거나 또는 물, 메탄올, 에탄올, n-프로판올, 이소프로판올, n-부탄올, 이소부탄올, t-부탄올, 1,2-프로판디올, 1,3-프로판디올, 1,3-부탄디올 및 글리세롤로 이루어진 군에서 2종 이상을 선택하여 혼합하여 사용하는 것을 특징으로 하는 데아닌 유도체의 제조방법.
- 제7항에 있어서, 상기 반응 온도는 60~70℃인 것을 특징으로 하는 데아닌 유도체의 제조방법.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/816,124 US8557793B2 (en) | 2010-08-11 | 2011-08-09 | Theanine derivative, preparation method thereof, and use thereof for alleviating acne |
| CN201180038302.2A CN103052634B (zh) | 2010-08-11 | 2011-08-09 | 茶氨酸衍生物及其制备方法和在减轻痤疮中的应用 |
| HK13109873.8A HK1182693B (en) | 2010-08-11 | 2011-08-09 | Theanine derivative, preparation method thereof, and use thereof for alleviating acne |
| JP2013524034A JP5837067B2 (ja) | 2010-08-11 | 2011-08-09 | デアニン誘導体、その製造方法及びその抗にきび用としての用途 |
| EP11816582.8A EP2604605B1 (en) | 2010-08-11 | 2011-08-09 | Theanine derivative, preparation method thereof, and use thereof for alleviating acne |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100077209A KR101698436B1 (ko) | 2010-08-11 | 2010-08-11 | 데아닌 유도체, 이의 제조방법 및 이를 함유하는 항여드름용 피부 외용제 조성물 |
| KR10-2010-0077209 | 2010-08-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2012020966A2 true WO2012020966A2 (ko) | 2012-02-16 |
| WO2012020966A3 WO2012020966A3 (ko) | 2012-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/KR2011/005788 Ceased WO2012020966A2 (ko) | 2010-08-11 | 2011-08-09 | 데아닌 유도체, 이의 제조방법 및 이의 항여드름용으로서의 용도 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8557793B2 (ko) |
| EP (1) | EP2604605B1 (ko) |
| JP (1) | JP5837067B2 (ko) |
| KR (1) | KR101698436B1 (ko) |
| CN (1) | CN103052634B (ko) |
| WO (1) | WO2012020966A2 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101956155B1 (ko) * | 2011-11-23 | 2019-06-25 | (주)아모레퍼시픽 | 데아닌 유도체를 함유하는 피부 외용제 조성물 |
| KR102359437B1 (ko) | 2016-05-30 | 2022-02-09 | (주)아모레퍼시픽 | 항여드름 물질을 스크리닝하는 방법 |
| US12133857B2 (en) * | 2023-06-08 | 2024-11-05 | Anhui Agricultural University | Method for prolonging half-life of theanine in vivo |
| CN120737133A (zh) * | 2025-08-25 | 2025-10-03 | 吉林农业大学 | 化合物茶氨酸双糖苷tfg的高效分离制备方法 |
| CN120665124B (zh) * | 2025-08-25 | 2025-10-31 | 吉林农业大学 | 一种化合物茶氨酸双糖苷tfg的人工合成方法及用途 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080009505A1 (en) | 2006-07-04 | 2008-01-10 | Conopco Inc. D/B/A Unilever | Theanine derivatives, uses thereof and processes for the manufacture thereof |
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| EP0477160B1 (en) * | 1990-09-20 | 1996-04-24 | Monsanto Company | Process for producing N-substituted-1-deoxynojirimycin |
| JPH07136496A (ja) * | 1993-11-11 | 1995-05-30 | Kao Corp | 乳化組成物 |
| ES2283103T3 (es) | 1998-02-23 | 2007-10-16 | Taiyo Kagaku Co., Ltd. | Composicion que comprende teanina. |
| JP3878612B2 (ja) | 2004-03-01 | 2007-02-07 | ピアス株式会社 | 活性酸素抑制用の組成物と、その組成物を配合する皮膚外用剤及び化粧料 |
| CN1973037B (zh) * | 2004-06-25 | 2011-10-19 | 协和发酵生化株式会社 | 二肽或二肽衍生物的制造方法 |
| KR100793825B1 (ko) | 2006-07-27 | 2008-01-11 | (주)아모레퍼시픽 | 피부 각질 박리용 화장료 조성물 |
-
2010
- 2010-08-11 KR KR1020100077209A patent/KR101698436B1/ko not_active Expired - Fee Related
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2011
- 2011-08-09 CN CN201180038302.2A patent/CN103052634B/zh not_active Expired - Fee Related
- 2011-08-09 EP EP11816582.8A patent/EP2604605B1/en not_active Not-in-force
- 2011-08-09 WO PCT/KR2011/005788 patent/WO2012020966A2/ko not_active Ceased
- 2011-08-09 JP JP2013524034A patent/JP5837067B2/ja not_active Expired - Fee Related
- 2011-08-09 US US13/816,124 patent/US8557793B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080009505A1 (en) | 2006-07-04 | 2008-01-10 | Conopco Inc. D/B/A Unilever | Theanine derivatives, uses thereof and processes for the manufacture thereof |
Non-Patent Citations (1)
| Title |
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| See also references of EP2604605A4 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012020966A3 (ko) | 2012-05-03 |
| US8557793B2 (en) | 2013-10-15 |
| EP2604605B1 (en) | 2014-12-24 |
| JP5837067B2 (ja) | 2015-12-24 |
| EP2604605A2 (en) | 2013-06-19 |
| EP2604605A4 (en) | 2013-11-13 |
| JP2013533307A (ja) | 2013-08-22 |
| US20130137653A1 (en) | 2013-05-30 |
| KR20120015021A (ko) | 2012-02-21 |
| CN103052634B (zh) | 2014-12-31 |
| CN103052634A (zh) | 2013-04-17 |
| HK1182693A1 (en) | 2014-01-17 |
| KR101698436B1 (ko) | 2017-01-20 |
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