WO2023245462A1 - Stabilized composition comprising thiopyridinone compound - Google Patents
Stabilized composition comprising thiopyridinone compound Download PDFInfo
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- WO2023245462A1 WO2023245462A1 PCT/CN2022/100264 CN2022100264W WO2023245462A1 WO 2023245462 A1 WO2023245462 A1 WO 2023245462A1 CN 2022100264 W CN2022100264 W CN 2022100264W WO 2023245462 A1 WO2023245462 A1 WO 2023245462A1
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- WIPO (PCT)
- Prior art keywords
- alkyl group
- formula
- branched
- group
- linear
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 112
- 150000001875 compounds Chemical class 0.000 title claims abstract description 55
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 22
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 19
- 239000002738 chelating agent Substances 0.000 claims abstract description 14
- 150000002989 phenols Chemical class 0.000 claims abstract description 12
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 claims abstract description 6
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 claims abstract description 6
- WBYWAXJHAXSJNI-SREVYHEPSA-N Cinnamic acid Chemical compound OC(=O)\C=C/C1=CC=CC=C1 WBYWAXJHAXSJNI-SREVYHEPSA-N 0.000 claims abstract description 6
- 235000013985 cinnamic acid Nutrition 0.000 claims abstract description 6
- 229930016911 cinnamic acid Natural products 0.000 claims abstract description 6
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 36
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 34
- -1 n-nonyl Chemical group 0.000 claims description 33
- 229920006395 saturated elastomer Polymers 0.000 claims description 32
- 150000003839 salts Chemical class 0.000 claims description 25
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 23
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 23
- 235000006708 antioxidants Nutrition 0.000 claims description 21
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 16
- 125000003118 aryl group Chemical group 0.000 claims description 13
- 239000012453 solvate Substances 0.000 claims description 13
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 12
- 125000006529 (C3-C6) alkyl group Chemical group 0.000 claims description 12
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 12
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- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 10
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 9
- 125000004122 cyclic group Chemical group 0.000 claims description 9
- 150000004677 hydrates Chemical class 0.000 claims description 9
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 9
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 6
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- 229940125810 compound 20 Drugs 0.000 claims description 6
- JAXFJECJQZDFJS-XHEPKHHKSA-N gtpl8555 Chemical compound OC(=O)C[C@H](N)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1CCC[C@@H]1C(=O)N[C@H](B1O[C@@]2(C)[C@H]3C[C@H](C3(C)C)C[C@H]2O1)CCC1=CC=C(F)C=C1 JAXFJECJQZDFJS-XHEPKHHKSA-N 0.000 claims description 6
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- 238000000034 method Methods 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
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- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 4
- OEWBEINAQKIQLZ-CMRBMDBWSA-N [(2s)-2-[(2r)-3,4-bis(2-hexyldecanoyloxy)-5-oxo-2h-furan-2-yl]-2-(2-hexyldecanoyloxy)ethyl] 2-hexyldecanoate Chemical compound CCCCCCCCC(CCCCCC)C(=O)OC[C@H](OC(=O)C(CCCCCC)CCCCCCCC)[C@H]1OC(=O)C(OC(=O)C(CCCCCC)CCCCCCCC)=C1OC(=O)C(CCCCCC)CCCCCCCC OEWBEINAQKIQLZ-CMRBMDBWSA-N 0.000 claims description 4
- FENRSEGZMITUEF-ATTCVCFYSA-E [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].OP(=O)([O-])O[C@@H]1[C@@H](OP(=O)([O-])[O-])[C@H](OP(=O)(O)[O-])[C@H](OP(=O)([O-])[O-])[C@H](OP(=O)(O)[O-])[C@H]1OP(=O)([O-])[O-] Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].OP(=O)([O-])O[C@@H]1[C@@H](OP(=O)([O-])[O-])[C@H](OP(=O)(O)[O-])[C@H](OP(=O)([O-])[O-])[C@H](OP(=O)(O)[O-])[C@H]1OP(=O)([O-])[O-] FENRSEGZMITUEF-ATTCVCFYSA-E 0.000 claims description 4
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 4
- 229940083982 sodium phytate Drugs 0.000 claims description 4
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 3
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 claims description 3
- 125000006705 (C5-C7) cycloalkyl group Chemical group 0.000 claims description 3
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- 239000001384 succinic acid Substances 0.000 claims description 3
- MSWZFWKMSRAUBD-IVMDWMLBSA-N 2-amino-2-deoxy-D-glucopyranose Chemical compound N[C@H]1C(O)O[C@H](CO)[C@@H](O)[C@@H]1O MSWZFWKMSRAUBD-IVMDWMLBSA-N 0.000 claims description 2
- MLSJBGYKDYSOAE-DCWMUDTNSA-N L-Ascorbic acid-2-glucoside Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O[C@@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)=C1O MLSJBGYKDYSOAE-DCWMUDTNSA-N 0.000 claims description 2
- QAQJMLQRFWZOBN-LAUBAEHRSA-N L-ascorbyl-6-palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](O)[C@H]1OC(=O)C(O)=C1O QAQJMLQRFWZOBN-LAUBAEHRSA-N 0.000 claims description 2
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- HTJNEBVCZXHBNJ-XCTPRCOBSA-H trimagnesium;(2r)-2-[(1s)-1,2-dihydroxyethyl]-3,4-dihydroxy-2h-furan-5-one;diphosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.OC[C@H](O)[C@H]1OC(=O)C(O)=C1O HTJNEBVCZXHBNJ-XCTPRCOBSA-H 0.000 claims description 2
- SOBHUZYZLFQYFK-UHFFFAOYSA-K trisodium;hydroxy-[[phosphonatomethyl(phosphonomethyl)amino]methyl]phosphinate Chemical compound [Na+].[Na+].[Na+].OP(O)(=O)CN(CP(O)([O-])=O)CP([O-])([O-])=O SOBHUZYZLFQYFK-UHFFFAOYSA-K 0.000 claims description 2
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- YBGZDTIWKVFICR-JLHYYAGUSA-N Octyl 4-methoxycinnamic acid Chemical compound CCCCC(CC)COC(=O)\C=C\C1=CC=C(OC)C=C1 YBGZDTIWKVFICR-JLHYYAGUSA-N 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 229920002701 Polyoxyl 40 Stearate Polymers 0.000 description 1
- 241000210053 Potentilla elegans Species 0.000 description 1
- ONIBWKKTOPOVIA-UHFFFAOYSA-N Proline Natural products OC(=O)C1CCCN1 ONIBWKKTOPOVIA-UHFFFAOYSA-N 0.000 description 1
- UVMRYBDEERADNV-UHFFFAOYSA-N Pseudoeugenol Natural products COC1=CC(C(C)=C)=CC=C1O UVMRYBDEERADNV-UHFFFAOYSA-N 0.000 description 1
- MTCFGRXMJLQNBG-UHFFFAOYSA-N Serine Natural products OCC(N)C(O)=O MTCFGRXMJLQNBG-UHFFFAOYSA-N 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- AYFVYJQAPQTCCC-UHFFFAOYSA-N Threonine Natural products CC(O)C(N)C(O)=O AYFVYJQAPQTCCC-UHFFFAOYSA-N 0.000 description 1
- 239000004473 Threonine Substances 0.000 description 1
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 description 1
- QIVBCDIJIAJPQS-UHFFFAOYSA-N Tryptophan Natural products C1=CC=C2C(CC(N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-UHFFFAOYSA-N 0.000 description 1
- KZSNJWFQEVHDMF-UHFFFAOYSA-N Valine Natural products CC(C)C(N)C(O)=O KZSNJWFQEVHDMF-UHFFFAOYSA-N 0.000 description 1
- CDZHZLQKNAKKEC-UHFFFAOYSA-N [bis(hydroxymethylamino)methylamino]methanol Chemical compound OCNC(NCO)NCO CDZHZLQKNAKKEC-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- QYPPJABKJHAVHS-UHFFFAOYSA-P agmatinium(2+) Chemical compound NC(=[NH2+])NCCCC[NH3+] QYPPJABKJHAVHS-UHFFFAOYSA-P 0.000 description 1
- 229960003767 alanine Drugs 0.000 description 1
- 235000004279 alanine Nutrition 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- UBNYRXMKIIGMKK-RMKNXTFCSA-N amiloxate Chemical compound COC1=CC=C(\C=C\C(=O)OCCC(C)C)C=C1 UBNYRXMKIIGMKK-RMKNXTFCSA-N 0.000 description 1
- 229960002709 amiloxate Drugs 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- MYYIAHXIVFADCU-QMMMGPOBSA-N anserine Chemical compound CN1C=NC=C1C[C@H](NC(=O)CC[NH3+])C([O-])=O MYYIAHXIVFADCU-QMMMGPOBSA-N 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 150000005840 aryl radicals Chemical class 0.000 description 1
- 229960001230 asparagine Drugs 0.000 description 1
- 235000009582 asparagine Nutrition 0.000 description 1
- UDFLTIRFTXWNJO-UHFFFAOYSA-N baicalein Chemical compound O1C2=CC(=O)C(O)=C(O)C2=C(O)C=C1C1=CC=CC=C1 UDFLTIRFTXWNJO-UHFFFAOYSA-N 0.000 description 1
- 229940015301 baicalein Drugs 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000006172 buffering agent Substances 0.000 description 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- STIAPHVBRDNOAJ-UHFFFAOYSA-N carbamimidoylazanium;carbonate Chemical compound NC(N)=N.NC(N)=N.OC(O)=O STIAPHVBRDNOAJ-UHFFFAOYSA-N 0.000 description 1
- 125000001951 carbamoylamino group Chemical group C(N)(=O)N* 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 229960004203 carnitine Drugs 0.000 description 1
- 229940044199 carnosine Drugs 0.000 description 1
- CQOVPNPJLQNMDC-ZETCQYMHSA-N carnosine Chemical compound [NH3+]CCC(=O)N[C@H](C([O-])=O)CC1=CNC=N1 CQOVPNPJLQNMDC-ZETCQYMHSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- LZFOPEXOUVTGJS-UHFFFAOYSA-N cis-sinapyl alcohol Natural products COC1=CC(C=CCO)=CC(OC)=C1O LZFOPEXOUVTGJS-UHFFFAOYSA-N 0.000 description 1
- 229940119526 coniferyl alcohol Drugs 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 229960003624 creatine Drugs 0.000 description 1
- 239000006046 creatine Substances 0.000 description 1
- 229940109239 creatinine Drugs 0.000 description 1
- XUJNEKJLAYXESH-UHFFFAOYSA-N cysteine Natural products SCC(N)C(O)=O XUJNEKJLAYXESH-UHFFFAOYSA-N 0.000 description 1
- 229960002433 cysteine Drugs 0.000 description 1
- 235000018417 cysteine Nutrition 0.000 description 1
- 125000002704 decyl 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])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- LVTYICIALWPMFW-UHFFFAOYSA-N diisopropanolamine Chemical compound CC(O)CNCC(C)O LVTYICIALWPMFW-UHFFFAOYSA-N 0.000 description 1
- 229940043276 diisopropanolamine Drugs 0.000 description 1
- 235000019304 dilauryl thiodipropionate Nutrition 0.000 description 1
- IUNMPGNGSSIWFP-UHFFFAOYSA-N dimethylaminopropylamine Chemical compound CN(C)CCCN IUNMPGNGSSIWFP-UHFFFAOYSA-N 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- CCIVGXIOQKPBKL-UHFFFAOYSA-M ethanesulfonate Chemical compound CCS([O-])(=O)=O CCIVGXIOQKPBKL-UHFFFAOYSA-M 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- VOTNXLNTNMCSTJ-UHFFFAOYSA-N ethyl hydrogen sulfite Chemical compound CCOS(O)=O VOTNXLNTNMCSTJ-UHFFFAOYSA-N 0.000 description 1
- 150000002171 ethylene diamines Chemical class 0.000 description 1
- 229960002217 eugenol Drugs 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- TUHVEAJXIMEOSA-UHFFFAOYSA-N gamma-guanidinobutyric acid Natural products NC(=[NH2+])NCCCC([O-])=O TUHVEAJXIMEOSA-UHFFFAOYSA-N 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- ZDXPYRJPNDTMRX-UHFFFAOYSA-N glutamine Natural products OC(=O)C(N)CCC(N)=O ZDXPYRJPNDTMRX-UHFFFAOYSA-N 0.000 description 1
- 229960002743 glutamine Drugs 0.000 description 1
- 229940074045 glyceryl distearate Drugs 0.000 description 1
- 229940075507 glyceryl monostearate Drugs 0.000 description 1
- 229940075529 glyceryl stearate Drugs 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 229960004198 guanidine Drugs 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 229960000310 isoleucine Drugs 0.000 description 1
- AGPKZVBTJJNPAG-UHFFFAOYSA-N isoleucine Natural products CCC(C)C(N)C(O)=O AGPKZVBTJJNPAG-UHFFFAOYSA-N 0.000 description 1
- 210000002510 keratinocyte Anatomy 0.000 description 1
- 229960003136 leucine Drugs 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- XZWYZXLIPXDOLR-UHFFFAOYSA-N metformin Chemical compound CN(C)C(=N)NC(N)=N XZWYZXLIPXDOLR-UHFFFAOYSA-N 0.000 description 1
- 229960003105 metformin Drugs 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 229930182817 methionine Natural products 0.000 description 1
- 229960004452 methionine Drugs 0.000 description 1
- QFUDHWDUKUCCHZ-UHFFFAOYSA-N methyl hydrogen sulfite Chemical compound COS(O)=O QFUDHWDUKUCCHZ-UHFFFAOYSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 229960001679 octinoxate Drugs 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- XRVQTYPOPTUZRF-UHFFFAOYSA-N phenyl hydrogen sulfite Chemical compound OS(=O)OC1=CC=CC=C1 XRVQTYPOPTUZRF-UHFFFAOYSA-N 0.000 description 1
- 150000002995 phenylpropanoid derivatives Chemical class 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 235000007686 potassium Nutrition 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical class [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- XATKDVHSLQMHSY-RMKNXTFCSA-N propan-2-yl (e)-3-(4-methoxyphenyl)prop-2-enoate Chemical compound COC1=CC=C(\C=C\C(=O)OC(C)C)C=C1 XATKDVHSLQMHSY-RMKNXTFCSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000001540 sodium lactate Substances 0.000 description 1
- 235000011088 sodium lactate Nutrition 0.000 description 1
- 229940005581 sodium lactate Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229940063673 spermidine Drugs 0.000 description 1
- 229940063675 spermine Drugs 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 229960003080 taurine Drugs 0.000 description 1
- JKLRIMRKZBSSED-UHFFFAOYSA-N taurocyamine Chemical compound NC(=[NH2+])NCCS([O-])(=O)=O JKLRIMRKZBSSED-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical group 0.000 description 1
- 150000003536 tetrazoles Chemical class 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- APIBROGXENTUGB-ZUQRMPMESA-M triphenyl-[(e)-3-phenylprop-2-enyl]phosphanium;bromide Chemical compound [Br-].C=1C=CC=CC=1[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C\C=C\C1=CC=CC=C1 APIBROGXENTUGB-ZUQRMPMESA-M 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 239000004474 valine Substances 0.000 description 1
- 150000003700 vitamin C derivatives Chemical class 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/4906—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
- A61K8/4933—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having sulfur as an exocyclic substituent, e.g. pyridinethione
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/362—Polycarboxylic acids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
-
- 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
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/4906—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
- A61K8/4926—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having six membered rings
-
- 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
- A61K8/55—Phosphorus compounds
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/52—Stabilizers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/52—Stabilizers
- A61K2800/522—Antioxidants; Radical scavengers
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Emergency Medicine (AREA)
- Dermatology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Cosmetics (AREA)
Abstract
Disclosed is a composition comprising: A) a thiopyridinone compound; B) an antioxidant comprising antioxidant 1 selected from cinnamic acid or a derivative thereof, and hindered phenols or semi-hindered phenols; and C) a chelating agent.
Description
The present invention relates to a stabilized composition comprising a thiopyridinone compound, which is useful for caring for keratin materials, and in particular the skin.
Brightening of the skin is always high interest of the consumers, especially those who have a dark or dull skin tone. Unfortunately, at various periods of their life, some people see the appearance on their skin, and more in particular on the hands, of darker and/or more colored spots, which give the skin heterogeneity. These spots are in particular due to a high concentration of melanin in the keratinocytes located at the surface of the skin.
It is known that certain thiopyridinone compounds exhibit good depigmenting activity, even at low concentration, see for example WO2012080075 and WO2017/102349. The thiopyridinone compound can show strong depigmenting or brightening effects by reducing the production of melanin.
However, it has been discovered that the stability of thiopyridinone compound in a composition over time is still in need of being improved, in particular when the composition including the thiopyridinone compound is maintained for a relatively long period of time under elevated temperature. There is therefore a need for a composition comprising thiopyridinone with increased stability.
SUMMARY OF THE INVENTION
The inventors have unexpectedly discovered that a composition comprising the components of: A) a compound of formula (I) or (I’) , which can be deemed as a thiopyridinone compound, or their salts, their optical isomers, racemates, and/or solvates such as hydrates and the thereof, alone or as a mixture; B) a specific antioxidant, and C) achelating agent solves these problems.
In which Formulas (I) and (I’) :
R
1 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated linear C
1-C
10 or branched C
3-C
10 alkyl group optionally substituted with one or more groups, which may be identical or different, chosen from:
i) -O-R
3
ii) -S-R
3;
R
2 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated hydrocarbonated group linear C
1-C
12 or branched C
3-C
12 or cyclic C
3-C
8, optionally substituted with one or more groups, which may be identical or different, chosen from:
i) -O-R
3
ii) -S-R
3
iii) -C (O) -O-R
3;
iv) a C
5-C
12 aryl group optionally substituted with one or more hydroxyls and/or with one or more C
1-C
8 alkoxy radicals;
c) a C
5-C
12 aryl group optionally substituted with one or more hydroxyls and/or with one or more C
1-C
8 alkoxy radicals
R
3 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated linear C
1-C
10 or branched C
3-C
10 alkyl group;
The compound (I’) is the tautomer form of the compound (I) when a tautomeric equilibrium exists according to the following scheme:
According to one embodiment of the invention R
1 represents one hydrogen atom.
According to another embodiment of the invention R
1 represents a linear (C
1-C
10) alkyl group or branched (C
3-C
10) alkyl group, especially a linear (C
1-C
6) alkyl group or branched (C
3-C
6) alkyl group, such as methyl, ethyl, n-pentyl, n-nonyl, isobutyl, more preferably ethyl. Particularly the said alkyl group of R
1 is not substituted.
According to one embodiment of the invention R
2 represents one hydrogen atom.
According to another embodiment of the invention R
2 represents a linear (C
1-C
10) alkyl group or branched (C
3-C
10) alkyl group, especially a linear (C
1-C
6) alkyl group or branched (C
3-C
6) alkyl group, such as methyl, ethyl, n-pentyl, n-nonyl, isobutyl, more preferably methyl or ethyl group; the said alkyl group of R
2 being not substituted.
According to another embodiment of the invention R
2 represents a linear (C
1-C
10) alkyl group or branched (C
3-C
10) alkyl group, especially a linear (C
1-C
6) alkyl group or branched (C
3-C
6) alkyl group, such as methyl, ethyl, n-pentyl, n-nonyl, isobutyl, more preferably methyl or ethyl; the said alkyl group being substituted by one or more groups selected from i) , ii) , iii) and iv) as defined herein before. Preferably the said alkyl group being substituted by one or two groups selected from i) , ii) and iii) , more preferably by one or two groups selected from i) and iii) , better substituted by one group iii) as carboxy.
Another variant for radical R
2 is that the said alkyl group being substituted by one group iv) especially substituted by one phenyl group.
According to another embodiment of the invention R
2 represents a (C
3-C
8) cycloalkyl group, preferably a (C
5-C
7) cycloalkyl group such cyclohexyl.
According to another embodiment of the invention R
2 represents C
5-C
12 aryl group optionally substituted with one or more hydroxyls and/or with one or more C
1-C
8 alkoxy radicals, preferably a phenyl group particularly not substituted.
According to an embodiment R
3 represents a hydrogen atom.
According to another embodiment R
3 represents a saturated linear C
1-C
10 or branched C
3-C
10 alkyl group; particularly a linear (C
1-C
6) alkyl group or a branched (C
3-C
6) alkyl group, preferably (C
1-C
4) alkyl group such as methyl group.
EMBODIMENTS OF INVENTION
Throughout the description, including the claims, the term "comprising a" should be understood as being synonymous with "comprising at least one" , unless otherwise mentioned. Moreover, the expression "at least one" used in the present description is equivalent to the expression "one or more" .
For the purposes of the present invention, and unless otherwise indicated:
a “saturated hydrocarbonated group linear C
1-C
12 or branched C
3-C
12” is equivalent to a “linear (C
1-C
12) alkyl or branched (C
3-C
12) alkyl group” which correspond to a saturated C
1-C
12 linear or branched C
3-C
12 hydrocarbon based group, and preferably C
1-C
10 linear or C
3-C
10 branched hydrocarbon based group, more preferably C
1-C
6 linear or C
3-C
6 branched hydrocarbon-based; Preferentially, the linear or branched groups may be chosen from methyl, ethyl, propyl, isopropyl, butyl, isobutyl and tert-butyl, pentyl, hexyl, heptyl, octyl, nonyl and decyl.
More preferentially, the saturated linear or branched alkyl groups may be chosen from methyl, ethyl, propyl, isopropyl, butyl, isobutyl and tert-butyl, pentyl, hexyl, heptyl and octyl, such as methyl, ethyl, n-pentyl, n-nonyl, isobutyl.
■ a saturated hydrocarbonated cyclic C
3-C
8 group is a mono or bicyclic cycloalkyl group containing from 3 to 8 carbon atoms especially is a monocyclic cycloalkyl group in C5 to C7 such as cyclohexyl group,
■ an "alkoxy radical" is an alkyl-oxy radical for which the alkyl radical is a linear or branched C
1-C
16 and preferentially C
1-C
8 hydrocarbon-based radical;
■ when the alkoxy group is optionally substituted, this implies that the alkyl group is optionally substituted as defined hereinabove;
■ an "aryl" group represents a fused or non-fused monocyclic or bicyclic carbon-based group comprising from 5 to 12 carbon atoms, preferably from 6 to 10 carbon atoms, and in which at least one ring is aromatic; preferentially, the aryl radical is a phenyl, biphenyl, naphthyl, more preferably a phenyl group;
■ the term "at least one" is equivalent to the term "one or more" ; and
■ the term "inclusive" for a range of concentrations means that the limits of that range are included in the defined range.
The salts of the compounds of formula (I) , (I’) , (II) or (II’) as defined herein after comprise the conventional non-toxic salts of said compounds, such as those formed from organic or inorganic acid or from organic or inorganic base.
As salts of the compounds of formula (I) , (I’) , (II) or (II’) mention may be made of:
the salts obtained by addition of the compound of formula (I) or (II) to:
- a mineral base, such as sodium hydroxide, potassium hydroxide, calcium hydroxide, ammonium hydroxide, magnesium hydroxide, lithium hydroxide, and sodium, potassium or calcium carbonate or hydrogen carbonate for example;
or
- an organic base such as a primary, secondary or tertiary alkylamine, for example triethylamine or butylamine. This primary, secondary or tertiary alkylamine may comprise one or more nitrogen and/or oxygen atoms and may thus comprise, for example, one or more alcohol functions; mention may be made in particular of 2-amino-2-methylpropanol, ethanolamine, triethanolamine, 2-dimethylaminopropanol, 2-amino-2- (hydroxymethyl) -1, 3-propanediol and 3- (dimethylamino) propylamine.
Mention may also be made of the salts of amino acids, for instance lysine, arginine, guanidine, glutamic acid and aspartic acid. Advantageously, the salts of the compounds of formula (I) or (II) (when it comprises a carboxy group) may be chosen from alkali metal or alkaline-earth metal salts such as sodium, potassium, calcium or magnesium salts and ammonium salts.
■ as "organic or inorganic acid salt" is more particularly chosen from salts chosen from a salt derived from i) hydrochloric acid HCl, ii) hydrobromic acid HBr, iii) sulfuric acid H
2SO
4, iv) alkylsulfonic acids: Alk-S (O)
2OH such as methanesulfonic acid and ethanesulfonic acid; v) arylsulfonic acids: Ar-S (O)
2OH such as benzenesulfonic acid and toluenesulfonic acid; vi) citric acid; vii) succinic acid; viii) tartaric acid; ix) lactic acid; x) alkoxysulfinic acids: Alk-O-S (O) OH such as methoxysulfinic acid and ethoxysulfinic acid; xi) aryloxysulfinic acids such as tolueneoxysulfinic acid and phenoxysulfinic acid; xii) phosphoric acid H
3PO
4; xiii) acetic acid CH
3C (O) OH; xiv) triflic acid CF
3SO
3H; and xv) tetrafluoroboric acid HBF
4;
■ The acceptable solvates of the compounds described in the present invention comprise conventional solvates such as those formed during the preparation of said compounds owing to the presence of solvents. Mention may be made, by way of example, of the solvates due to the presence of water or of linear or branched alcohols, such as ethanol or isopropanol.
■ The optical isomers are in particular, the enantiomers and the diastereoisomers.
Preferably, the “keratin material” according to the present invention is the skin. By “skin” , we intend all the body skin. Still preferably, the keratin material is the face, or the neck, especially the face.
In the application, unless specifically mentioned otherwise, amounts, contents, parts and percentages are expressed on a weight basis.
In the application, a numeric range is defined with a lower and an upper limit when needed, such as one or more lower limits and one or more upper limits are given to form a range optionally along with one or more preferred ranges. A given range can be defined by selecting a lower limit and an upper limit that define the boundaries of the given range. All ranges defined in this manner are inclusive and combinable, that is, any lower limit can be combined with any upper limit to form a range, as long as the lower and upper limits are provided to modify the same subject. For example, when ranges of 60-110 and 80-120 are listed for a specific subject, it is to be understood that ranges 60-120 and 80-110 are also contemplated and encompassed. Further, if the lower limits listed are 1 and 2 and the upper limits are listed as 3, 4 and 5, the following ranges are all predictable and within the scope of the present disclosure: 1-3, 1-4, 1-5, 2-3, 2-4 and 2-5.
Other than in the operating examples, or where otherwise indicated, all numbers expressing quantities of components and/or reaction conditions are to be understood as being modified in all instances by the term "about" , with conventionally known meaning in the art, e.g., within 10%of the indicated number (such as "about 10%" means 9%-11 %and "about 2%" means 1.8%-2.2%) .
The present invention provides a composition comprising the components of: A) a compound of formula (I) or (I’) , B) a specific antioxidant, and C) a chelating agent.
Component A)
The composition according to the invention comprises a compound of formula (I) or (I’) below or tautomer (I’) below or their salts, their optical isomers, racemates, and/or solvates such as hydrates and the thereof, alone or as a mixture, as component A) :
In which Formulas (I) and (I’) :
R
1 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated linear C
1-C
10 or branched C
3-C
10 alkyl group optionally substituted with one or more groups, which may be identical or different, chosen from:
i) -O-R
3
ii) -S-R
3;
R
2 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated hydrocarbonated group linear C
1-C
12 or branched C
3-C
12 or cyclic C
3-C
8, optionally substituted with one or more groups, which may be identical or different, chosen from:
i) -O-R
3
ii) -S-R
3
iii) -C (O) -O-R
3;
iv) a C
5-C
12 aryl group optionally substituted with one or more hydroxyls and/or with one or more C
1-C
8 alkoxy radicals;
c) a C
5-C
12 aryl group optionally substituted with one or more hydroxyls and/or with one or more C
1-C
8 alkoxy radicals
R
3 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated linear C
1-C
10 or branched C
3-C
10 alkyl group;
The compound (I’) is the tautomer form of the compound (I) when a tautomeric equilibrium exists according to the following scheme:
According to one embodiment of the invention R
1 represents one hydrogen atom.
According to another embodiment of the invention R
1 represents a linear (C
1-C
10) alkyl group or branched (C
3-C
10) alkyl group, especially a linear (C
1-C
6) alkyl group or branched (C
3-C
6) alkyl group, such as methyl, ethyl, n-pentyl, n-nonyl, isobutyl, more preferably ethyl. Particularly the said alkyl group of R
1 is not substituted.
According to one embodiment of the invention R
2 represents one hydrogen atom.
According to another embodiment of the invention R
2 represents a linear (C
1-C
10) alkyl group or branched (C
3-C
10) alkyl group, especially a linear (C
1-C
6) alkyl group or branched (C
3-C
6) alkyl group, such as methyl, ethyl, n-pentyl, n-nonyl, isobutyl, more preferably methyl or ethyl group; the said alkyl group of R
2 being not substituted.
According to another embodiment of the invention R
2 represents a linear (C
1-C
10) alkyl group or branched (C
3-C
10) alkyl group, especially a linear (C
1-C
6) alkyl group or branched (C
3-C
6) alkyl group, such as methyl, ethyl, n-pentyl, n-nonyl, isobutyl, more preferably methyl or ethyl; the said alkyl group being substituted by one or more groups selected from i) , ii) , iii) and iv) as defined herein before. Preferably the said alkyl group being substituted by one or two groups selected from i) , ii) and iii) , more preferably by one or two groups selected from i) and iii) , better substituted by one group iii) as carboxy.
Another variant for radical R
2 is that the said alkyl group being substituted by one group iv) especially substituted by one phenyl group.
According to another embodiment of the invention R
2 represents a (C
3-C
8) cycloalkyl group, preferably a (C
5-C
7) cycloalkyl group such cyclohexyl.
According to another embodiment of the invention R
2 represents C
5-C
12 aryl group optionally substituted with one or more hydroxyls and/or with one or more C
1-C
8 alkoxy radicals, preferably a phenyl group particularly not substituted.
According to an embodiment R
3 represents a hydrogen atom.
According to another embodiment R
3 represents a saturated linear C
1-C
10 or branched C
3-C
10 alkyl group; particularly a linear (C
1-C
6) alkyl group or a branched (C
3-C
6) alkyl group, preferably (C
1-C
4) alkyl group such as methyl group.
Preferably, the compounds of formula (I) and tautomer (I’) or their salts, their optical isomers, racemates, and/or solvates such as hydrates and the thereof, alone or as a mixture;
have the following meanings:
R
1 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated linear C
1-C
6 or branched C
3-C
6alkyl group optionally substituted with one or more groups, which may be identical or different, chosen from:
i) -O-R
3
ii) -S-R
3;
preferably optionally substituted with one or more groups i)
R
2 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated hydrocarbonated group linear C
1-C
10 or branched C
3-C
10 or cyclic C
3-C
8 such as C5-C6, optionally substituted with one or more groups, which may be identical or different, chosen from:
i) -O-R
3
ii) -SR-
3
iii) -C (O) -O-R
3;
iv) a phenyl group optionally substituted with one or more hydroxyls and/or with one or more C
1-C
4 alkoxy radicals such as methoxy;
preferably substituted with one or more groups selected from i) and iii) , preferably iii) such as carboxy
R
3 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated linear C
1-C
6 or branched C
3-C
6 alkyl group
Preferentially, the compounds of formula (I) and tautomer (I’) or their salts, their optical isomers, racemates, and/or solvates such as hydrates and the thereof, alone or as a mixture;
have the following meanings:
R
1 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated linear C
1-C
4 or branched C
3-C
4 alkyl group optionally substituted with one or more groups, which may be identical or different, chosen from i) -OR
3, more preferably not substituted;
R
2 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated hydrocarbonated group linear C
1-C
10 or branched C
3-C
10 or cyclic C
3-C
8 as C5-C6, optionally substituted with one or more groups, which may be identical or different, chosen from:
i) -O-R
3
iii) -C (O) -O-R
3;
iv) a C
5-C
12 aryl group optionally substituted with one or more hydroxyls and/or with one or more C
1-C
4 alkoxy radicals;
R
3 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated linear C
1-C
4 or branched C
3-C
4 alkyl group such as methyl or ethyl.
Preferentially, the compounds of formula (I) and tautomer (I’) or their salts, their optical isomers, racemates, and/or solvates such as hydrates and the thereof, alone or as a mixture;
have the following meanings:
R
1 is a hydrogen atom; and
R
2 denotes a radical chosen from:
a) a hydrogen atom;
b) a saturated hydrocarbonated group linear C
1-C
5 or branched C
3-C
5 or cyclic C
3-C
8 as C5-C6, substituted with one or more groups, which may be identical or different, chosen from v) -C (O) -O-R
3, preferably substituted with one group iii) -C (O) -O-R
3;
R
2 is even more preferably a saturated hydrocarbonated group linear C
1-C
4 or branched C
3-C
4 substituted with one group iii) -C (O) -OR
3.
According to another preferred embodimentt, compounds of formula (I) and tautomer (I’) are selected among compounds of formula (II) and also the tautomers thereof, the salts thereof, the solvates thereof and the optical isomers thereof, and the racemates thereof, alone or as a mixture:
Formula (II) and (II’) Wherein R1 and R3 have the same meaning than for compounds of formula (I) and (I”) and X denotes an alkylene radical- (CH
2)
n-with n being an integer ranging inclusively from 1 to 10, preferably ranging from 1 to 6, more preferably ranging from 1 to 4, such as 1, preferably R
3 represents a hydrogen atom.
Among the compounds of formula (I) , the following compounds are preferably used and their tautomer or their salts, their optical isomers, racemates, and/or solvates such as hydrates and the thereof, alone or as a mixture:
Among these compounds, the following compounds are more partticularrly preferred:
More preferably, Among these compounds, the following compounds are more particularly preferred:
Even more preferably, Among these compounds, the following compounds are more particularly preferred:
In a most preferred embodiment, the compound according to the present invention is the following:
All compounds can be obtained by chemical method known by man skilled in the art, from commercially available reagents. For example, the synthetic method disclosed in the European patent application EP3390363 can be used.
The compound 20, N- [ (2-thioxo-1, 2-dihydropyridin-3-yl) carbonyl] glycine, may also be nominated as 3-carboxymethylaminocarbonyl-2-thiopyridinone, is a typical representative of the useful thiopyridinone compounds according to the present invention.
The compound (I) , (I’) , (II) and/or (II’) may be present in an amount ranging for example from 0.01%to 10%by weight, preferably from 0.1%to 5%by weight, in particular from 0.5%to 3%by weight, relative to the total weight of the composition.
Component B) , Antioxidant
The composition according to the invention comprises an antioxidant, as component B) .
The antioxidant may be cinnamic acid or a derivative thereof, e.g., a phenylpropanoid. Phenylpropanoids include: cinnamic acid, caffeic acid, ferulic acid, trans-ferulic acid (including its antioxidant pharmacore 2, 6-dihydroxy acetophenome) , 5-hydroxyferic acid, sinapic acid, Coumarin, coniferyl alcohol, sinapyl alcohol, eugenol, Chavicol, baicalein, P-coumaric acid and sinapinic acid. Without limiting the mode of action of the present invention, phenylpropanoids can neutralize free radicals.
Amongst others, useful cinnamic acid derivatives may comprise 2-ethylhexyl methoxycinnamate, isopropyl methoxycinnamate, isoamyl methoxycinnamate, diisopropyl methoxycinnamate, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate (Tinogard TT) , octadecyl di-t-butyl-4-hydroxyhydrocinnamate, caffeic acid, ferulic acid. Caffeic acid and ferulic acid may be preferable, and ferulic acid may be more preferable.
On the other hand, hindered phenols or semi-hindered phenols may be used as antioxidants according to the present invention. Useful hindered phenols or semi-hindered phenols may comprise: mono-or di-or tri- (α-methylbenzyl) phenol, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate (Tinogard TT) , 2, 6-di-tert-butyl-4-methylphenol, 2. 6-di-tert-butyl-4-ethylphenol, 4, 4’-butylidenebis (3-methyl-6-tert-butylphenol) 2,2, -methylenebis (4-ethyl-6-tert-butylphenol) , 2, 2’-methylenebis (4-methyl-6-tert-butylphenol) , and benzotriazolyl dodecyl p-cresol.
Amongst others, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate is both a derivative of cinnamic acid and a hindered phenol, and is particularly preferred.
Another category of useful antioxidant is a thioester antioxidant, especially a polyester of thiodiacid or thiopolyacid, e.g., dilauryl thiodipropionate.
Without being limited by any known theory, the antioxidant used in the composition of the present invention comprise concurrently a main antioxidant 1 selected from cinnamic acid or a derivative thereof, and hindered phenols or semi-hindered phenols, e.g., pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate; and an additional antioxidant 2.
As an additional antioxidant 2, oil soluble vitamin C derivatives can be used. The fat-soluble ester could be tetrahexyl decyl ascorbate/erythorbate and ascorbyl palmitate, ascorbyl dipalmitate, ascorbyl tetraisopalmitate, magnesium ascorbyl phosphate, ascorbyl glucoside, glucosamine ascorbate, ascorbyl acetate, and the like.
Besides the conventional antioxidants, some specific substances acting as an excited state quencher may also be used, and can be deemed as an “antioxidant” specifically for the purpose of the present invention. Without being limited with any known theory, it is believed that they can block the excited state to pull back to the ground state so that they can efficiently prevent the excited reaction and stabilize photodegradation. Except for the structure of citrate acid, there are also some hydroxyl groups. In the present invention, tris (tetramethylhydroxypiperidinol) citrate may be used.
According to the present invention, the antioxidant 1 can be present in the composition from 0.1%to 2%by weight, preferably 0.1%to 1%by weight, more preferably 0.1%to 0.5%by weight, relative to the total weight of the composition according to the present invention.
According to an embodiment of the present invention, the antioxidant 2 can be present in the composition from 0%to 2%by weight, preferably 0.1%to 1%by weight, more preferably 0.1%to 0.5%by weight, relative to the total weight of the composition according to the present invention.
Component C) , chelating agent
According to an embodiment of the present invention, the composition may comprise a chelating agent. Such chelating agents are defined and described in particular in the article "Chelating agents" Kirk Othmer Encyclopedia of Chemical Technology, Vol. 5 pp. 708-739, published in 2003.
For the purpose of the present invention, useful chelating agents can comprise succinic acid and derivatives thereof, e.g., ethylenediamine disuccinic acid (EDDS) , and a salt thereof; phosphor-containing organic acid, e.g., phytic acid, and a salt thereof, e.g., sodium phytate, potassium phytate.
These agents are particularly useful for reducing the electrostatic bonding associated with substantial presence of water in the intermediate makeup and/or care composition according to the invention. For example, a useful chelating agent is selected from the group consisting of trisodium EDDS, sodium phytate, potassium phytate, and mixtures thereof.
According to the present invention, the chelating agent can be present in the composition from 0.001%to 1%by weight, preferably from 0.01%to 0.5%by weight, relative to the total weight of the composition according to the present invention.
Surfactant
The composition according to the present invention can comprise a surfactant, e.g., a nonionic surfactant, or a mixture thereof.
Examples of the useful nonionic surfactants may comprise esters of polyols and of fatty acids with a saturated or unsaturated chain containing, and the oxyalkylenated derivatives thereof, i.e. derivatives containing oxyethylenated and/or oxypropylenated units, such as the glyceryl esters, and the oxyalkylenated derivatives thereof; the polyethylene glycol esters, and the oxyalkylenated derivatives thereof; the sorbitol esters, and the oxyalkylenated derivatives thereof; the sugar (sucrose, glucose or alkylglucose) esters, and the oxyalkylenated derivatives thereof; fatty alcohol ethers; the sugar ethers, and mixtures thereof.
Glyceryl esters of fatty acids that may especially be mentioned include glyceryl stearate (glyceryl monostearate, distearate and/or tristearate) .
Polyethylene glycol esters of fatty acids that may especially be mentioned include polyethylene glycol 40 OE monostearate (CTFA name: PEG-40 stearate) .
Mixtures of these surfactants may also be used.
The nonionic surfactant may be present in the composition according to the present invention in an amount from 0.1%to 15%by weight, such as from 0.15%to 10%by weight, relative to the total weight of the composition.
Medium/solvent
The composition according to the invention can advantageously comprise at least one medium/solvent, including water and/or organic medium/solvent.
Water
The composition according to the invention may advantageously comprise water in various amounts. For low viscosity applications of the composition, e.g., in form of leave-on lotion, a relatively high amount of water may be used. For example, water is used in a content of greater than or equal to 40%by weight relative to the total weight of composition. The water content in the low viscosity composition according to the invention preferably ranges from 40%to 99%by weight, more preferably from 50%to 90%by weight, or from 60%to 80%by weight, relative to the total weight of the composition.
For high viscosity applications of the composition, e.g., in form of leave-on cream, a relatively lower amount of water may be used. The high viscosity composition according to the invention advantageously comprises water in a content of less than or equal to 40%by weight relative to the total weight of composition. The water content in the high viscosity composition according to the invention preferably ranges from 10%to 40%by weight, more preferably from 15%to 35%by weight, or from 20%to 30%by weight, relative to the total weight of the composition.
Organic medium/solvent
The composition according to the invention may also comprise one or more organic medium/solvents, preferably water-soluble organic medium/solvents (solubility of greater than or equal to 5%in water at 25℃ and at atmospheric pressure) .
Examples of the organic medium/solvents that may be mentioned include linear or branched, and preferably saturated, monoalcohols or diols; or polyols containing more than two hydroxyl functions, in particular C3-C6 polyols, such as glycerol.
The organic medium/solvents, when they are present in an amount ranging from 0.1%to 40%by weight, preferably from 1%to 30%by weight, or from 5%to 20%by weight, relative to the total weight of the composition according to the invention.
pH Adjusting Agent
The composition according to the present invention may comprise (3) at least one pH adjusting agent (pH adjuster) . Two or more pH adjusting agents may be used in combination. Thus, a single type of pH adjusting agent or a combination of different types of pH adjusting agents may be used.
As the (3) pH adjusting agent, at least one acidifying agent and/or at least one basifying agent (alkaline agent) may be used.
The acidifying agent may be a monovalent or polyvalent, such as divalent, acid.
The acidifying agents can be, for example, mineral (inorganic) acids such as hydrochloric acid, sulfuric acid, phosphoric acid, or organic acids such as carboxylic acids, for instance tartaric acid, citric acid, and lactic acid, as well as sulphonic acids.
The basifying agent may be a monovalent or polyvalent, such as divalent, base.
The basifying agents may be mineral (inorganic) or organic, or hybrid.
The mineral basifying agents may be chosen from aqueous ammonia; alkali metal carbonates or bicarbonates such as sodiium or potassium carbonates and sodium or potassium bicarbonates; alkali metal hydroxides such as sodium hydroxide and potassium hydroxide; and mixtures thereof.
The organic basifying agents may be chosen from organic amines with a pKb at 25℃ of less than 12, preferably less than 10, and even more advantageously less than 6. It should be noted that it is the pKb corresponding to the function of highest basicity. In addition, the organic amines do not compriise any alkyl or alkenyl fatty chains comprising more than ten carbon atoms.
The organic basifying agent may be chosen, for example, from alkanolamines, oxyethylenated and/or oxypropylenated ethylenediamines, amino acids and amine compounds of formula (III) below:
in which
W represents a C
1-C
6 divalent alkylene radical optionally substituted with one or more hydroxyl groups or a C
1-C
6 alkyl radical, and optionally interrupted with one or more heteroatoms such as O and N, and
R
x, R
y, R
z, and R
t, which may be identical or different, represent a hydrogen atom or a C
1-C
6 alkyl, C
1-C
6 hydroxyalkyl, or C
1-C
6 aminoalkyl radical.
Examples of the amine compounds of formula (III) that may be mentioned include 1, 3-diaminopropane, 1, 3-diamino-2-propanol, spermine and spermidine.
The term “alkanolamine” means an organic amiine comprising a primary, secondary or tertiary amine function, and one or more linear or branched C
1-C
8 alkyl groups bearing one or more hydroxyl radicals.
Alkanolamines such as monoalkanolamines, dialkanolamines or trialkanolamines comprising one to three identical or different C
1-C
4 hydroxyalkyl radicals may be suitable for the present invention. Among the compounds of thiss type, mention may be made of monoethanolamine (MEA) , diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, N-dimethylaminoethanolamine, 2-amino-2-methyl-1-propanol, triisopropanolamine, 2-amino-2-methyl-1, 3-propanediol, 3-amino-1, 2-propanediol, 3-dimethylamino-1, 2-propanediol and tris (hydroxymethylamino) methane.
Amino acids that may be used are of natural or synthetic origin, in their L, D or racemic form, and comprise at least one acid function chosen more partiicularly from carboxylic acid, sulfonic acid, phosphonic acid or phosphoric acid functions. The amino acids may be in neutral or ionic form.
As amino acids that may be used in the present invention, mention may be made especially of aspartic acid, glutamic acid, alanine, arginine, ornithine, citrulline, asparagine, carnitine, cysteine, glutamine, glycine, histidine, lysine, isoleucine, leucine, methionine, N-phenylalanine, proline, serine, taurine, threonine, tryptophan, tyrosine and valine.
It may be preferable that the amino acids are bassic amino acids coomprising an additional amine function optionally included in a ring or in an ureido function.
Such basic amino acids may preferably be chosen from those corresponding to formula (IV) below:
in which
R represents a group chosen from:
- (CH
2)
3-NH
2,
- (CH
2)
2-NH
2,
- (CH
2)
2-NH-CO-NH
2, and
The compounds corresponding to formula (IV) include histidine, lysine, arginine, ornithine and citrulline.
The organic basifying agent may be chosen from organic amines of heterocyclic type. Besides histidine that has already been mentioned in the amino acids, mention may in particular be made of pyridine, piperidine, imidazole, triazole, tetrazole and benzimidazole.
The organic basifying agent may also be chosen from amino acid dipeptides. As amino acid dipeptides that may be used in the present invention, mention may be made especially of carnosine, anserine and baleine.
The organic basifying agent may also be chosen from compounds comprising a guanidine function. As amines of this type that may be used in the present invention, besides arginine, which has already been mentioned as an amino acid, mention may be made especially of creatine, creatinine, 1, 1-dimethylguanidine, 1, 1-diethyl-guanidine, glycocyamine, metformin, agmatine, N-amidinoalanine, 3-guanidino-propionic acid, 4-guanidinobutyric acid and 2- ( [amino (imino) methyl] amino) ethane-1-sulfonic acid.
In a preferred embodiment of the present invention, the organic basifying agent may be selected from amino acids, preferably basic amino acids, and more preferably arginine, lysine, histidine or mixtures thereof. Even more preferentially, the organic basifying agent may be arginine.
Hybrid compounds that may be mentioned include the salts of the amines mentioned previously with acids such as carbonic acid or hydrochloric acid. Guanidine carbonate or monoethanolamine hydrochloride may be used in particular.
The (3) pH adjusting agent may be present in an amount of 0.01%by weight or more, preferably 0.05%by weight or more, and more preferably 0.1%by weight or more, relative to the total weight of the composition.
The (3) pH adjusting agent may be present in an amount of 15%by weight or less, preferably 10%by weight or less, and more preferably 5%by weight or less, relative to the total weight of the composition.
The (3) pH adjusting agent may be present in an amount ranging from 0.01%to 15%by weight, preferably from 0.05%to 10%by weight, and more preferably from 0.1%to 5%by weight or less, relative to the total weight of the composition.
It is preferable that the composition according to the present invention have a pH of 4.5 or more, and more preferably 5 or more.
It is preferable that the composition according to the present invention have a pH of 6.5 or less, and more preferably 6 or less.
It is preferable that the composition according to the present invention have a pH of from 4.5 to 6.5, and more preferably from 5 to 6.
The pH of the composition means the pH of the aqueous phase of the composition according to the present invention.
It may be preferable that at least one buffer or buffering agent also be used, as the (3) pH adjusting agent, in combination with the acidifying agent and/or the basifying agent, in order to stabilize the pH of the composition according to the present invention.
As the buffer, any of commonly known buffers may be used. For example, salts of acids or bases, preferably salts of weak acids or weak bases, may be used. For example, sodium citrate or sodium lactate may be used as the buffer, if citric acid or lactic acid is used as the acidifying agent.
Adjuvants
In a known manner, the composition of the present invention may also contain adjuvants which are customary in the cosmetic, pharmaceutical and/or dermatological field depending on the final uses and/or the specific product forms, such as hydrophilic or lipophilic gelling agents, emulsifiers, hydrophilic or lipophilic active agents, preservatives, fragrances, fillers, pH adjusters, odor absorbers and dyes. The amounts of these various adjuvants are those conventionally used in the field under consideration, and for example from 0.01 to 20%of the total weight of the composition.
These adjuvants and their concentrations must be such that they do not modify the desired property for the composition of the invention.
The composition according to the invention is preferably in the form of an aqueous gel.
In a preferred embodiment according to the invention, the composition comprises hydrophilic gelling agents.
The compositions according to the invention can be manufactured by known processes, generally used in the cosmetic or dermatological field.
The composition according to the invention finds its application in a large number of cosmetic treatments for keratin materials such as the skin, the scalp or the mucous membranes (lips) , and more particularly the skin, in particular in the care of the skin, to brighten the skin.
The subject of the invention is also a cosmetic process for the care or makeup of keratin materials, comprising the application to the keratin materials of a composition as defined above.
The subject of the invention is also a non-therapeutic cosmetic process for the care or makeup of keratin materials, comprising the application to the keratin materials of a composition as defined above.
The invention also relates to the cosmetic use of a composition as defined above, for the care or makeup of keratin materials.
More particularly, the subject of the invention is the cosmetic use of a composition as defined above, for the care of the skin, preferably for brightening the skin, and/or reducing or lightening darker and/or more coloured spots on the skin.
In a particular embodiment, the composition is suitable for the treatment of darker and/or more coloured spots on the skin.
EXAMPLES
The following examples of compositions according to the invention are given by way of illustration and without limitation. The compounds are indicated in chemical name or INCI name. The ingredient amounts/concentrations in the compositions/formulas described below are expressed in%by weight, relative to the total weight of each composition/formula, unless otherwise indicated.
Compound 20 is synthesized as disclosed in example 2 of patent EP3 390 363.
Example A
The inventive compositions of Ex. 1-Ex. 6, as well as comparative compositions of CE. 1-CE. 4, were prepared, from the ingredients indicated in the Tables 1-3 below (in which the contents were indicated in%by weight of materials with regard to the total weight of the composition) :
Table 1
Table 2
The compositions were prepared by the steps of, taking Ex. 1 as an example:
1) . Heating the surfactant, fatty compounds and antioxidants round 75℃, mixing well till all solid melted.
2) . Mixing water, glycol, chelator and, if used, and heating to 75℃, mixing well till no lumps.
3) . Transferring oil phase into water phase at 75℃, mixing homogenously for 15mins.
4) . Cooling to 30℃.
5) . Finally adding Compound 20 and Sodium Hydroxide to adjust pH to be 5.7±0.3.
Example B
The inventive compositions of Ex. 1-Ex. 6, as well as comparative composition of CE. 1-CE. 4, prepared in Example A were evaluated for the degradation of COMPOUND 20, by the steps of:
- Exactly weighing 100mg of the inventive and comparative compositions respectively into 10 mL volumetric flasks;
- Adding 2.5 mL of Ultra-pure water into it and tightening the cover, and then shaking it on vortex to make it well dispersed, no obvious agglomeration;
- Filling the methanol up to the line of the volumetric flask, and closing the lid tightly;
- Sonicating the solution 5 minutes and then cooling down to the room temperature;
- Stirring the solution on the magnetic stirring plate 1.5 hours; and
- Filtering the solution with 0.45μGHP filter to get the injection solution;
and subsequently:
- First, doing UPLC (Ultra-performance liquid chromatography) analysis on the test compositions to get T0 COMPOUND 20 degradation data; every composition having two parallel samples to be analyzed; where T0 means the time of starting the degradation test;
- Then putting the compositions into 45℃ oven for accelerating aging Test for 2 months; and
- Finally, doing analysis on the aged compositions; every composition having two parallel samples to be analyzed.
The results were given in Table 4 below.
Table 4
Claims (15)
- A composition comprising the components of:A) at least one compound selected from compounds of formula (I) and tautomer of formula (I’) herein below; and their salts, optical isomers, racemates, and/or solvates such as hydrates, alone or as a mixture:In which Formulas (I) and (I’) :- R 1 denotes a radical chosen from:a) a hydrogen atom;b) a saturated linear C 1-C 10 or branched C 3-C 10 alkyl group optionally substituted with one or more groups, which may be identical or different, chosen from:i) -O-R 3ii) -S-R 3;- R 2 denotes a radical chosen from:a) a hydrogen atom;b) a saturated hydrocarbonated group linear C 1-C 12 or branched C 3-C 12 or cyclic C 3-C 8, optionally substituted with one or more groups, which may be identical or different, chosen from:i) -O-R 3ii) -S-R 3iii) -C (O) -O-R 3;iv) a C 5-C 12 aryl group optionally substituted with one or more hydroxyls and/or with one or more C 1-C 8 alkoxy radicals;c) a C 5-C 12 aryl group optionally substituted with one or more hydroxyls and/or with one or more C 1-C 8 alkoxy radicals- R 3 denotes a radical chosen from:a) a hydrogen atom;b) a saturated linear C 1-C 10 or branched C 3-C 10 alkyl group;B) at least one antioxidant selected from cinnamic acid or a derivative thereof, hindered phenols or semi-hindered phenols, and thioester antioxidant; e.g., pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, tris (tetramethylhydroxypiperidinol) citrate; andC) a chelating agent selected from the group consisting of succinic acid and derivatives thereof, phosphor-containing organic acid and derivatives thereof.
- The composition according to claim 1, wherein:- R 1 of formula (I) and (I’) represents a hydrogen atom,or- R 1 of formula (I) and (I’) represents a linear (C 1-C 10) alkyl group or branched (C 3-C 10) alkyl group, especially a linear (C 1-C 6) alkyl group or branched (C 3-C 6) alkyl group, such as methyl, ethyl, n-pentyl, n-nonyl, isobutyl, more preferably ethyl, particularly the said alkyl group ofR 1 is not substituted.-
- The composition according to any one of the preceding claims, wherein:- R 2 of formula (I) and (I’) represents a hydrogen atom;or- R 2 of formula (I) and (I’) represents a linear (C 1-C 10) alkyl group or branched (C 3-C 10) alkyl group, especially a linear (C 1-C 6) alkyl group or branched (C 3-C 6) alkyl group, such as methyl, ethyl, n-pentyl, n-nonyl, isobutyl, more preferably methyl or ethyl group; the said alkyl group of R 2 being not substituted.-
- The composition according to claim 1 or 2, wherein:- R 2 of formula (I) and (I’) represents a linear (C 1-C 10) alkyl group or branched (C 3-C 10) alkyl group, especially a linear (C 1-C 6) alkyl group or branched (C 3-C 6) alkyl group, such as methyl, ethyl, n-pentyl, n-nonyl, isobutyl, more preferably methyl or ethyl; the said alkyl group being substituted by one or more groups selected from i) , ii) , iii) and iv) as defined in claim 1, preferably the said alkyl group being substituted by one or two groups selected from i) , ii) and iii) , more preferably by one or two groups selected from i) and iii) , better substituted by one group iii) as carboxy.
- The composition according to claim 1 or 2, wherein- R 2 of formula (I) and (I’) represents a (C 3-C 8) cycloalkyl group, preferably a (C 5-C 7) cycloalkyl group such cyclohexyl;or- R 2 of formula (I) and (I’) represents a C 5-C 12 aryl group optionally substituted with one or more hydroxyls and/or with one or more C 1-C 8 alkoxy radicals, preferably a phenyl group particularly not substituted.
- The composition according to any one of the preceding claims, wherein- R 3 of formula (I) and (I’) represents a hydrogen atom;or- R 3 of formula (I) and (I’) represents a saturated linear C 1-C 10 or branched C 3-C 10 alkyl group; particularly a linear (C 1-C 6) alkyl group or a branched (C 3-C 6) alkyl group, preferably (C 1-C 4) alkyl group such as methyl group.
- The composition according to any one of the preceding claims, wherein:- R 1 of formula (I) and (I’) represents a radical chosen from:a) a hydrogen atom;b) a saturated linear C 1-C 6 or branched C 3-C 6 alkyl group optionally substituted with one or more groups, which may be identical or different, chosen from:i) -O-R 3ii) -S-R 3;preferably optionally substituted with one or more groups i)- R 2 of formula (I) and (I’) represents a radical chosen from:- a) a hydrogen atom;- b) a saturated hydrocarbonated group linear C1-C10 or branched C 3-C 10 or cyclic C 3-C 8 such as C5-C6, optionally substituted with one or more groups, which may be identical or different, chosen from:- i) -O-R 3- ii) -SR- 3- iii) -C (O) -O-R 3;- iv) a phenyl group optionally substituted with one or more hydroxyls and/or with one or more C 1-C 4 alkoxy radicals such as methoxy;- preferably substituted with one or more groups selected from i) and iii) , preferably iii) such as carboxy- R 3 of formula (I) and (I’) represents a radical chosen from:- a) a hydrogen atom;- b) a saturated linear C 1-C 6 or branched C 3-C 6 alkyl group;- preferentially, the compounds of formula (I) and tautomer (I’) or their salts, their optical isomers, racemates, and/or solvates such as hydrates and the thereof, alone or as a mixture;- have the following meanings:- R 1 of formula (I) and (I’) represents a radical chosen from:- a) a hydrogen atom;- b) a saturated linear C 1-C 4 or branched C 3-C 4 alkyl group optionally substituted with one or more groups, which may be identical or different, chosen from i) -OR 3, more preferably not substituted;- R 2 of formula (I) and (I’) represents a radical chosen from:- a) a hydrogen atom;- b) a saturated hydrocarbonated group linear C 1-C 10 or branched C 3-C 10 or cyclic C 3-C 8 as C5-C6, optionally substituted with one or more groups, which may be identical or different, chosen from:- i) -O-R 3- iii) -C (O) -O-R 3;- iv) a C 5-C 12 aryl group optionally substituted with one or more hydroxyls and/or with one or more C 1-C 4 alkoxy radicals;- R 3 of formula (I) and (I’) represents a radical chosen from:- a) a hydrogen atom;- b) a saturated linear C 1-C 4 or branched C 3-C 4 alkyl group such as methyl or ethyl.
- The composition according to any one of the preceding claims, whereinthe compound of formula (I) selected out from the group consisting of the compounds 1 to 24 below and their tautomer or their salts, their optical isomers, racemates, and/or solvates such as hydrates, alone or as a mixture, particularly compounds 1, 2, 4, 6, 7, 9, 11, 12, 14, 15, 16, 17, 18, 19, 20, or 21, morre particularly 1, 9, 16, 18, 19, 20, or 21, preferably 18, 19, 20, or 21, more preferably 20:
- The composition according to any one of the preceding claims, wherein the compound of formula (I) or (I’) is present in an amount ranging from 0.01%to 10%by weight, preferably from 0.1%to 5%by weight, or preferably from 0.5%to 3%by weight, relative to the total weight of the composition.
- The composition according to any one of the preceding claims, wherein the component B) further comprises an antioxidant 2 selected from the group consisting of tetrahexyl decyl ascorbate/erythorbate and ascorbyl palmitate, ascorbyl dipalmitate, ascorbyl tetraisopalmitate, magnesium ascorbyl phosphate, ascorbyl glucoside, glucosamine ascorbate, ascorbyl acetate, and tris (tetramethylhydroxypiperidinol) citrate.
- The composition according to any one of the preceding claims, wherein the antioxidant 1 is present in the composition from 0.1%to 2%by weight, preferably 0.1%to1%by weight, more preferably 0.1%to 0.5%by weight, relative to the total weight of the composition according to the present invention; and/orthe antioxidant 2 is present in the composition from 0%to 2%by weight, preferably 0.1%to 1%by weight, more preferably 0.1%to 0.5%by weight, relative to the total weight of the composition.
- The composition according to anyone of the preceding claims, wherein the chelating agent is selected from ethylenediamine disuccinic acid (EDDS) , and a salt thereof; phosphor-containing organic acid, e.g., phytic acid, and a salt thereof, e.g., sodium phytate, potassium phytate.
- The composition according to anyone of the preceding claims, wherein the chelating agent is present in the second composition from 0.001%to 1%by weight, preferably from 0.01%to 0.5%by weight, relative to the total weight of the composition.
- Use of the combination ofcomponent B) an antioxidant comprising antioxidant 1 selected from cinnamic acid or a derivative thereof, and hindered phenols or semi-hindered phenols, e.g., pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate;andcomponent C) a chelating agent selected from the group consisting of sodium citrate, disodium EDTA, tetrasodium EDTA, tetrasodium GLDA, trisodium EDDS, sodium phytate, potassium phytate, and mixtures thereof,for stabilizing the compound of formula (I) and tautomer of formula (I’) as defined in any one of claims 1 to 8, e.g., for stabilizing the compound 20.
- A non-therapeutic cosmetic process for depigmenting, lightening and/or bleaching keratin materials, preferably skin, comprising the step of:applying to the keratin substance the composition according to any one of claims 1 to 13.
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FR2207500A FR3136665A1 (en) | 2022-06-21 | 2022-07-21 | A STABILIZED COMPOSITION COMPRISING A THIOPYRIDINONE COMPOUND |
PCT/JP2023/023443 WO2023249122A1 (en) | 2022-06-21 | 2023-06-16 | Stabilization of thiopyridinone compound and composition comprising same |
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WO2012080075A1 (en) * | 2010-12-14 | 2012-06-21 | L'oreal | Process for depigmenting keratin materials using thiopyridinone compounds |
WO2017102349A1 (en) * | 2015-12-18 | 2017-06-22 | L'oreal | Process for depigmenting keratin materials using thiopyridinone compounds |
CN113194906A (en) * | 2018-12-29 | 2021-07-30 | 莱雅公司 | Kit for skin care |
WO2021175453A1 (en) * | 2020-03-06 | 2021-09-10 | Symrise Ag | Composition comprising an aventhramide or an analogue thereof with improved stability |
WO2022006054A1 (en) * | 2020-06-30 | 2022-01-06 | L'oreal | Cosmetic compositions having stabilized retinol |
FR3113835A1 (en) * | 2020-09-07 | 2022-03-11 | L'oreal | COSMETIC COMPOSITION PROVIDING UNIQUE SENSATIONS |
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WO2022138471A1 (en) * | 2020-12-22 | 2022-06-30 | L'oreal | Stabilization of thiopyridinone compound and yellowing reduction of composition comprising same |
JP2022098752A (en) * | 2020-12-22 | 2022-07-04 | ロレアル | Stabilization of thiopyridinone compound in w/o composition |
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2012080075A1 (en) * | 2010-12-14 | 2012-06-21 | L'oreal | Process for depigmenting keratin materials using thiopyridinone compounds |
WO2017102349A1 (en) * | 2015-12-18 | 2017-06-22 | L'oreal | Process for depigmenting keratin materials using thiopyridinone compounds |
CN113194906A (en) * | 2018-12-29 | 2021-07-30 | 莱雅公司 | Kit for skin care |
WO2021175453A1 (en) * | 2020-03-06 | 2021-09-10 | Symrise Ag | Composition comprising an aventhramide or an analogue thereof with improved stability |
WO2022006054A1 (en) * | 2020-06-30 | 2022-01-06 | L'oreal | Cosmetic compositions having stabilized retinol |
FR3113835A1 (en) * | 2020-09-07 | 2022-03-11 | L'oreal | COSMETIC COMPOSITION PROVIDING UNIQUE SENSATIONS |
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