WO2008152331A9 - Nouveaux 4-phenyl-imidazole-2-thiones comme inhibiteurs de la tyrosinase, leur procédé de préparation et leur utilisation en médecine humaine ainsi qu'en cosmétique - Google Patents
Nouveaux 4-phenyl-imidazole-2-thiones comme inhibiteurs de la tyrosinase, leur procédé de préparation et leur utilisation en médecine humaine ainsi qu'en cosmétique Download PDFInfo
- Publication number
- WO2008152331A9 WO2008152331A9 PCT/FR2008/050994 FR2008050994W WO2008152331A9 WO 2008152331 A9 WO2008152331 A9 WO 2008152331A9 FR 2008050994 W FR2008050994 W FR 2008050994W WO 2008152331 A9 WO2008152331 A9 WO 2008152331A9
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- WO
- WIPO (PCT)
- Prior art keywords
- thione
- phenyl
- radical
- dihydro
- imidazole
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D233/84—Sulfur atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D233/28—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D233/30—Oxygen or sulfur atoms
- C07D233/42—Sulfur atoms
-
- 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
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- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/10—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
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- 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
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- 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
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- A61K2800/78—Enzyme modulators, e.g. Enzyme agonists
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Definitions
- the invention relates to novel 4-phenyl-imidazole-2-thiones compounds as industrial and useful products. It also relates to their process of preparation and their use, as inhibitors of tyrosinase, in pharmaceutical or cosmetic compositions intended for the treatment or prevention of pigment disorders.
- the pigmentation of the skin results from the synthesis of melanin by dendritic cells, melanocytes.
- Melanocytes contain organelles called melanosomes that transfer melanin into the upper layers of keratinocytes that are then transported to the surface of the skin by differentiation of the epidermis.
- tyrosinase is a key enzyme that catalyzes the first two steps of melanin synthesis. Homozygous tyrosinase mutations cause type I oculocutaneous albinism characterized by a complete absence of melanin synthesis.
- imidazole-2-thiones derivatives already known, some have been described as having anti-inflammatory properties (S. maeda, M. suzuki, T. Iwasaki, K. Matsumoto, Y. Iwazawa, Chem Pharm, Bull, 1984 , 32, 7, 2536-2543).
- EP131973 also teaches the use of certain imidazole-2-thiones derived compounds as gastric acid secretion inhibitors useful in the treatment against ulcers.
- Patent JP05132422 discloses the use of certain imidazole-2-thiones as a tyrosinase inhibitor. However, no aryl-substituted imidazole-2-thiones derivative is described in this document. No tyrosinase inhibitory activity is shown for compounds of 4-aryl-imidazole-2-thione structure. However, the Applicant has unexpectedly and surprisingly found that certain compounds of 4-phenyl-imidazole-2-thione structure, object of the present invention have a tyrosinase inhibitory activity much greater than that of the compounds of Patent JP05132422. Thus, the present invention relates to compounds of general formula (I) below:
- a trifluoromethoxy, difluoromethoxy or cyano radical a C3-C7 cycloalkyl radical, one of the carbon atoms of the ring possibly being replaced by an oxygen or sulfur atom,
- R 1 and R 2 which are identical or different, represent a C 1 -C 5 alkyl radical, or can form a hydrocarbon ring with 5 or 6 sides, it being understood that 1 or 2 carbon atom (s) may optionally be replaced by 1 or 2 oxygen atom (s), as well as their salts and tautomeric forms.
- the present invention relates to compounds of general formula (I) as defined above in which, when R 2 is in the ortho position with respect to R 1, then R 1 and R 2, which are identical or different, represent a C 1 -C 5 alkyl radical. or can form a 5- or 6-membered hydrocarbon ring in which 1 or 2 carbon atom (s) may optionally be replaced with 1 or 2 oxygen atom (s).
- the present invention relates to compounds as defined above, characterized in that when R 2 is in the ortho position with respect to R 1, then R 1 and R 2, which are identical or different, represent a C 1 -C 5 alkyl radical, or may form a hydrocarbon cycle with 5 or 6 sides.
- the present invention also relates to the use of the compounds of formula (I) as defined above, their salts or their tautomeric forms, for the preparation of a pharmaceutical composition intended for the treatment or prevention of hyperpigmentary disorders.
- Suitable organic acids are picric acid, methanesulfonic acid, ethanesulfonic acid and trifluoromethanesulfonic acid.
- the compounds of general formula (I) may also exist in the form of hydrates or solvates with water or with a solvent.
- Suitable solvents for forming solvates or hydrates are, for example, alcohols such as ethanol or isopropanol or water.
- C3-C7 cycloalkyl denotes a saturated, cyclic hydrocarbon-based chain comprising from 3 to 7 carbon atoms.
- the C 3 -C 7 cycloalkyl radical is chosen from cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl and cycloheptyl radicals.
- C1-C7 alkyl denotes a saturated hydrocarbon chain, linear or branched, comprising from 1 to 7 carbon atoms.
- the C 1 -C 7 alkyl radical is chosen from methyl, ethyl, propyl, i-propyl, butyl, t-butyl, pentyl, hexyl and heptyl radicals.
- C 2 -C 7 alkyl denotes a saturated hydrocarbon chain, linear or branched, comprising from 2 to 7 carbon atoms.
- the C2-C7 alkyl radical is chosen from ethyl, propyl, i-propyl, butyl, t-butyl, pentyl, hexyl and heptyl radicals.
- C 4 -C 9 cycloalkylalkyl denotes a saturated hydrocarbon chain, linear or branched, substituted by a cycloalkyl radical and comprising from 4 to 9 carbon atoms.
- the C 4 -C 9 cycloalkylalkyl radical is chosen from cyclopropylmethyl and cyclopropylethyl radicals. cyclobutylmethyl, cyclobutylethyl, cyclopentylmethyl, cyclopentylethyl, cyclohexylmethyl, cyclohexylethyl.
- C1-C4 alkoxycarbonyl denotes a carboxy radical substituted by a linear or branched saturated hydrocarbon-based chain containing from 1 to 4 carbon atoms.
- the C1-C4 alkoxycarbonyl radical is chosen from the methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl and butoxycarbonyl radicals.
- C 2 -C 6 alkoxy denotes an oxygen atom substituted by a linear or branched saturated hydrocarbon-based chain comprising from 2 to 6 carbon atoms.
- the C2-C6 alkoxy radical is chosen from ethoxy, propoxy, butoxy, pentoxy and hexyloxy radicals.
- C 1 -C 6 alkoxy denotes an oxygen atom substituted with a linear or branched saturated hydrocarbon-based chain comprising from 1 to 6 carbon atoms.
- the C1-C6 alkoxy radical is chosen from methoxy, ethoxy, propoxy, butoxy, pentoxy and hexyloxy radicals.
- the compounds of general formula (I) that are particularly preferred are those for which:
- R2 represents a hydrogen
- R1 represents a C2-C7 alkyl radical, with the exception of isopropyl, n-propyl and tert-butyl, or a C3-C7 cycloalkyl radical, or a C4-C9 cycloalkylalkyl radical.
- the compounds of general formula (I) that are more particularly preferred are those for which:
- R1 represents a hydrogen
- R 2 represents a C 1 -C 7 alkyl radical, a C 3 -C 7 cycloalkyl radical or a C 4 -C 9 cycloalkylalkyl radical.
- the compounds of the general formula (2) can react (step b) with thioadamantanone, for example, to give the compounds of the general formula (3) (Mloston, G., Gendek, T., Heimgartner, H.; Chim Acta, 1998, 81 (9), 1585-1595).
- the compounds of the general formula (I) are obtained from the compounds of the general formula (3) by reduction with a solution of titanium chloride III for example (Mattingly, PG, Miller, MJ, Org Chem, 1980, 45 (3)). ), 410).
- step b) of the compounds of general formula (4) using potassium thiocyanate makes it possible to obtain the imidazole-2-thiones of general formula (I) (Mor, M .; Bordi, F. Silva, C, Rivara, S., Crivori, P., Plazzi, PV, Ballabeni, V., Caretta, A. Barocelli, E., Impicciatore, Carrupt, P., A. Testa, BJ. Chem Chem 1997; 40 (16); 2571-2578.)
- the compounds of the present invention have a value of IC 5 o (dose inhibiting 50% of enzyme activity) vis-à-vis the lower tyrosinase or equal to 10 .mu.M and more particularly less than or equal to 1 microM.
- the invention therefore relates to the use of at least one compound of general formula (I) as defined above for the preparation of a pharmaceutical or cosmetic composition in which said compound has a tyrosinase inhibitory activity.
- the invention also relates to a product chosen from compounds of formula (I) for its use in the treatment and / or prevention of pigment disorders.
- the invention also relates to a method of therapeutic or cosmetic treatment, comprising the administration of a pharmaceutical or cosmetic composition comprising said compound, as a tyrosinase inhibitor.
- the invention also relates to the use of a compound of general formula (I) as defined above for the preparation of a medicament for the treatment of pigment disorders, in particular hyperpigmentary disorders.
- the compounds used according to the invention are particularly suitable for the treatment and / or prevention of pigmentary disorders such as melasma, chloasma, lentigines, senile lentigo, irregular hyperpigmentations related to photo aging, stains of freckle, post-inflammatory hyperpigmentations due to abrasion and / or burning and / or scarring and / or dermatitis and / or contact allergy; nevi, hyperpigmentations with genetic determinism, hyperpigmentations of metabolic or medicinal origin, melanomas or any other hyperpigmentary lesion.
- pigmentary disorders such as melasma, chloasma, lentigines, senile lentigo, irregular hyperpigmentations related to photo aging, stains of freckle, post-inflammatory hyperpigmentations due to abrasion and / or burning and / or scarring and / or dermatitis and / or contact allergy; nevi, hyperpigmentations with genetic determin
- the subject of the present invention is also a pharmaceutical composition intended in particular for the treatment of the abovementioned conditions, which comprises, in a pharmaceutically acceptable carrier and compatible with the mode of administration chosen for the latter, at least one compound of general formula (I) under one of its tautomeric forms, or a salt thereof with a pharmaceutically acceptable acid.
- pharmaceutically acceptable carrier is meant a medium compatible with the skin, mucous membranes and integuments.
- composition according to the invention can be carried out topically.
- the pharmaceutical composition is packaged under a form suitable for topical application. Topically, it is meant to be administered on the skin or mucous membranes.
- the pharmaceutical composition according to the invention is more particularly intended for the treatment of the skin and mucous membranes and may be in liquid, pasty or solid form, and more particularly in the form of ointments, creams, milks , ointments, powders, soaked swabs, syndets, solutions, gels, sprays, mousses, suspensions, sticks, shampoos, or washing bases. It may also be in the form of suspensions of microspheres or nanospheres or lipid or polymeric vesicles or polymeric or gelled patches allowing controlled release.
- compositions used for a topical application have a concentration of compound according to the invention generally between 0.001% and 10% by weight, preferably between 0.01% and 5% by weight, relative to the total weight of the composition. .
- the compounds of general formula (I) according to the invention also find application in the cosmetics field, in particular in the protection against the harmful aspects of the sun, for preventing and / or for combating photo-induced or chronological aging of the skin. skin and integuments.
- the invention therefore also relates to a cosmetic composition
- a cosmetic composition comprising, in a cosmetically acceptable support, at least one compound of general formula (I).
- cosmetically acceptable carrier is meant a medium compatible with the skin, mucous membranes and integuments.
- the subject of the invention is also the cosmetic use of a compound of formula (I) or of a composition comprising at least one compound of general formula (I) for preventing and / or treating the signs of skin aging.
- the subject of the invention is also the cosmetic use of a compound of formula (I) or of a composition comprising at least one compound of general formula (I) for body or hair hygiene.
- the cosmetic composition according to the invention containing, in a cosmetically acceptable support, a compound of general formula (I), or one of its tautomeric forms or a salt thereof with a pharmaceutically acceptable acid, can in particular be in the form of a cream, a milk, a gel, suspensions of microspheres or nanospheres or lipid or polymeric vesicles, soaked swabs, solutions, sprays, foams, sticks, soaps, washing bases or shampoos.
- the concentration of compound of general formula (I) in the cosmetic composition is preferably between 0.001% and 3% by weight, relative to the total weight of the composition.
- compositions as described above may also contain inert additives, or even pharmacodynamically active additives for pharmaceutical compositions, or combinations of these additives, and in particular:
- UV-A and UV-B filters include antioxidants, such as ⁇ -tocopherol, butyl-hydroxy-anisole or butyl-hydroxy-toluene, superoxide dismutase, ubiquinol;
- moisturizing agents such as glycerol, PEG 400, thiamorpholinone, and its derivatives or urea; antiseborrhoeic or antiacne agents, such as S-carboxymethylcysteine, S-benzylcysteamine, their salts or derivatives, or benzoyl peroxide.
- a suspension of 2 g (12.1 mmol, 1.5 eq) of thioadamantanone in 4 ml of dichloromethane is added at room temperature to a suspension of 2 g (8.1 mmol, 1 eq) of 3-oxy- (4,5) - (4). -pentyl-phenyl) -imidazol-1-ol in 20 ml of methanol.
- the reaction mixture is stirred for 18 hours at room temperature.
- the precipitate formed is filtered and the filtrate is evaporated.
- the solid obtained is recrystallized from a Heptane / Ethanol mixture: 1.1 g of white powder containing the two isomers 1-hydroxy- (4,5) - (4-pentyl-phenyl) -1,3-dihydro-imidazole-2 are collected. -thione.
- reaction mixture is stirred for 8 hours at 70 ° C.
- the reaction mixture is poured into ice water and then extracted with ethyl acetate.
- Example 1 4- (3-Methoxy-phenyl) -1,3-dihydroimidazole-2-thione (Method B)
- Inhibitor activity is measured from a B16F1 cell lysate (murine melanoma line).
- the tyrosinase present in these cells catalyzes the hydroxylation of L-tyrosine to L-DOPA and then the oxidation of L-DOPA to dopaquinone.
- MBTH 3-Methyl-2-benzo-Thiazolinone Hydrazone
- dopaquinone is trapped to form a pink complex which absorbs at 520 nm.
- the B16F1 cells are cultured in DMEM medium + 10% fetal calf serum + 10 -9 M ⁇ MSH for 4 days at 37 ° C.
- the plate is incubated at 37 ° C. and a spectrophotometric reading is carried out at 520 nm after 6 hours of incubation. To overcome any absorption of the products, one works in corrected absorbance (absorbance at time 6h - absorbance at time zero).
- Inhibitors are tested in dose response to calculate an IC50 (inhibiting dose
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- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Dermatology (AREA)
- Pharmacology & Pharmacy (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002688235A CA2688235A1 (fr) | 2007-06-05 | 2008-06-04 | Nouveaux 4-phenyl-imidazole-2-thiones comme inhibiteurs de la tyrosinase, leur procede de preparation et leur utilisation en medecine humaine ainsi qu'en cosmetique |
EP08805934A EP2155693A1 (fr) | 2007-06-05 | 2008-06-04 | Nouveaux 4-phenyl-imidazole-2-thiones comme inhibiteurs de la tyrosinase, leur procédé de préparation et leur utilisation en médecine humaine ainsi qu'en cosmétique |
BRPI0810960-5A2A BRPI0810960A2 (pt) | 2007-06-05 | 2008-06-04 | "composto, composição farmacêutica, composição cosmética e usos de um composto e de uma composição". |
JP2010510856A JP2010529096A (ja) | 2007-06-05 | 2008-06-04 | チロシナーゼ阻害剤として使用される新規の4−フェニルイミダゾール−2−チオン、その調製方法ならびにヒトの医学および化粧品学におけるその使用 |
MX2009012712A MX2009012712A (es) | 2007-06-05 | 2008-06-04 | Nuevas 4-fenil-imidazol-2-tionas como inhibidores de la tirosinasa, su procedimiento de preparacion y su uso en medicina humana asi como en cosmetica. |
CN200880018800A CN101679296A (zh) | 2007-06-05 | 2008-06-04 | 用作酪氨酸酶抑制剂的新型4-苯基-咪唑-2-硫酮、它们的制备方法和它们在人类药物和化妆品中的用途 |
AU2008263666A AU2008263666A1 (en) | 2007-06-05 | 2008-06-04 | Novel 4-phenyl-imidazole-2-thiones used as tyrosinase inhibitors, method for preparing same and use thereof in human medicine and cosmetology |
US12/631,392 US8119674B2 (en) | 2007-06-05 | 2009-12-04 | 4-phenylimidazole-2-thione tyrosinase inhibitors and pharmaceutical/cosmetic applications thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR0755470A FR2917087B1 (fr) | 2007-06-05 | 2007-06-05 | Nouveaux 4-phenyl-imidazole-2-thiones comme inhibiteurs de la tyrosinase, leur procede de preparation et leur utilisation en medecine humaine ainsi qu'en cosmetique. |
FR0755470 | 2007-06-05 |
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WO2008152331A1 WO2008152331A1 (fr) | 2008-12-18 |
WO2008152331A9 true WO2008152331A9 (fr) | 2009-12-23 |
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US (1) | US8119674B2 (fr) |
EP (1) | EP2155693A1 (fr) |
JP (1) | JP2010529096A (fr) |
KR (1) | KR20100017631A (fr) |
CN (1) | CN101679296A (fr) |
AR (1) | AR066868A1 (fr) |
AU (1) | AU2008263666A1 (fr) |
BR (1) | BRPI0810960A2 (fr) |
CA (1) | CA2688235A1 (fr) |
FR (1) | FR2917087B1 (fr) |
MX (1) | MX2009012712A (fr) |
RU (1) | RU2009148791A (fr) |
WO (1) | WO2008152331A1 (fr) |
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Publication number | Priority date | Publication date | Assignee | Title |
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FR2916976B1 (fr) * | 2007-06-05 | 2009-09-04 | Galderma Res & Dev | Utilisation de 4-phenyl-imidazole-2-thiones comme inhibiteurs de la tyrosinase, pour la preparation de composition pharmaceutiques ou cosmetiques destinees au traitement ou a la prevention des desordres pigmentaires. |
FR2917089B1 (fr) * | 2007-06-05 | 2009-07-17 | Galderma Res & Dev | Nouveaux 4-heteroaryl-imidazole-2-thiones comme inhibiteurs de la tyrosinase, leur procede de preparation et leur utilisation en medecine humaine ainsi qu'en cosmetique. |
FR2939136B1 (fr) * | 2008-12-02 | 2010-12-03 | Galderma Res & Dev | Nouveaux composes 4-(heterocycloalkyl)-benzene-1,3-diol comme inhibiteurs de la tyrosinase, leur procede de preparation et leur utilisation en medecine humaine ainsi qu'en cosmetique |
TWI619710B (zh) * | 2012-07-17 | 2018-04-01 | 高雄醫學大學 | 3-ped4hpt衍生物之合成與抗光老化活性之評估 |
FR3151760A1 (fr) | 2023-08-01 | 2025-02-07 | Exsymol | Nouvelles utilisations de dérivés imidazolyls |
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IT1206498B (it) | 1983-07-18 | 1989-04-27 | Angeli Inst Spa | Derivati amidinici del4-fenilmidazolo 2-sostituto processi per la loro preparazione e loro uso farmaceutico. |
US4798843A (en) | 1987-07-09 | 1989-01-17 | Smithkline Beckman Corporation | 2-mercaproimidazole dopamine-β-hydroxylase inhibitors |
JPH05124923A (ja) * | 1991-04-09 | 1993-05-21 | Sansho Seiyaku Co Ltd | メラニン生成抑制外用剤 |
JPH05132422A (ja) * | 1991-04-09 | 1993-05-28 | Sansho Seiyaku Co Ltd | メラニン生成抑制外用剤 |
US7928132B2 (en) | 2004-08-06 | 2011-04-19 | Ohio University | Methods for the amelioration of episodes of acute or chronic ulcerative colitis |
WO2007039821A2 (fr) * | 2005-08-31 | 2007-04-12 | Galderma Research & Development | Nouveaux inhibiteurs de la tyrosinase, leur procede de preparation et leur utilisation en medecine humaine et dans des cosmetiques |
FR2917089B1 (fr) * | 2007-06-05 | 2009-07-17 | Galderma Res & Dev | Nouveaux 4-heteroaryl-imidazole-2-thiones comme inhibiteurs de la tyrosinase, leur procede de preparation et leur utilisation en medecine humaine ainsi qu'en cosmetique. |
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2007
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2008
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- 2008-06-04 CA CA002688235A patent/CA2688235A1/fr not_active Abandoned
- 2008-06-04 KR KR1020097025379A patent/KR20100017631A/ko not_active Withdrawn
- 2008-06-04 JP JP2010510856A patent/JP2010529096A/ja active Pending
- 2008-06-04 EP EP08805934A patent/EP2155693A1/fr not_active Withdrawn
- 2008-06-04 BR BRPI0810960-5A2A patent/BRPI0810960A2/pt not_active IP Right Cessation
- 2008-06-04 CN CN200880018800A patent/CN101679296A/zh active Pending
- 2008-06-05 AR ARP080102384A patent/AR066868A1/es unknown
-
2009
- 2009-12-04 US US12/631,392 patent/US8119674B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
RU2009148791A (ru) | 2011-07-20 |
US8119674B2 (en) | 2012-02-21 |
FR2917087B1 (fr) | 2012-09-21 |
MX2009012712A (es) | 2009-12-08 |
AR066868A1 (es) | 2009-09-16 |
FR2917087A1 (fr) | 2008-12-12 |
AU2008263666A1 (en) | 2008-12-18 |
CN101679296A (zh) | 2010-03-24 |
CA2688235A1 (fr) | 2008-12-18 |
EP2155693A1 (fr) | 2010-02-24 |
WO2008152331A1 (fr) | 2008-12-18 |
JP2010529096A (ja) | 2010-08-26 |
KR20100017631A (ko) | 2010-02-16 |
US20100144814A1 (en) | 2010-06-10 |
BRPI0810960A2 (pt) | 2015-01-27 |
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