RU2018102154A - Производные сульфатированных полисахаридов, их способ получения, модификация и применение - Google Patents
Производные сульфатированных полисахаридов, их способ получения, модификация и применение Download PDFInfo
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- RU2018102154A RU2018102154A RU2018102154A RU2018102154A RU2018102154A RU 2018102154 A RU2018102154 A RU 2018102154A RU 2018102154 A RU2018102154 A RU 2018102154A RU 2018102154 A RU2018102154 A RU 2018102154A RU 2018102154 A RU2018102154 A RU 2018102154A
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- 150000004676 glycans Chemical class 0.000 title claims 14
- 229920001282 polysaccharide Polymers 0.000 title claims 14
- 239000005017 polysaccharide Substances 0.000 title claims 14
- 238000004519 manufacturing process Methods 0.000 title claims 7
- 238000012986 modification Methods 0.000 title 1
- 230000004048 modification Effects 0.000 title 1
- 238000002715 modification method Methods 0.000 claims 7
- 150000001412 amines Chemical class 0.000 claims 6
- 229920000642 polymer Polymers 0.000 claims 6
- 238000000034 method Methods 0.000 claims 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 5
- 125000003277 amino group Chemical group 0.000 claims 4
- 150000003839 salts Chemical class 0.000 claims 4
- SQDAZGGFXASXDW-UHFFFAOYSA-N 5-bromo-2-(trifluoromethoxy)pyridine Chemical compound FC(F)(F)OC1=CC=C(Br)C=N1 SQDAZGGFXASXDW-UHFFFAOYSA-N 0.000 claims 3
- 229920001287 Chondroitin sulfate Polymers 0.000 claims 3
- WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical group OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 claims 3
- 239000007864 aqueous solution Substances 0.000 claims 3
- 229940059329 chondroitin sulfate Drugs 0.000 claims 3
- 239000008363 phosphate buffer Substances 0.000 claims 3
- 229920000045 Dermatan sulfate Polymers 0.000 claims 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims 2
- 150000001299 aldehydes Chemical class 0.000 claims 2
- -1 alkali metal salt Chemical class 0.000 claims 2
- 150000001413 amino acids Chemical class 0.000 claims 2
- 229920001525 carrageenan Polymers 0.000 claims 2
- 235000010418 carrageenan Nutrition 0.000 claims 2
- 229940113118 carrageenan Drugs 0.000 claims 2
- 239000000679 carrageenan Substances 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 2
- AVJBPWGFOQAPRH-FWMKGIEWSA-L dermatan sulfate Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@H](OS([O-])(=O)=O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@H](C([O-])=O)O1 AVJBPWGFOQAPRH-FWMKGIEWSA-L 0.000 claims 2
- 229940051593 dermatan sulfate Drugs 0.000 claims 2
- 239000000539 dimer Substances 0.000 claims 2
- 239000003814 drug Substances 0.000 claims 2
- 229910052739 hydrogen Inorganic materials 0.000 claims 2
- 239000012038 nucleophile Substances 0.000 claims 2
- 239000003960 organic solvent Substances 0.000 claims 2
- 230000003647 oxidation Effects 0.000 claims 2
- 238000007254 oxidation reaction Methods 0.000 claims 2
- 108090000765 processed proteins & peptides Proteins 0.000 claims 2
- 239000011541 reaction mixture Substances 0.000 claims 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims 2
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 claims 2
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 claims 1
- MSWZFWKMSRAUBD-GASJEMHNSA-N 2-amino-2-deoxy-D-galactopyranose Chemical group N[C@H]1C(O)O[C@H](CO)[C@H](O)[C@@H]1O MSWZFWKMSRAUBD-GASJEMHNSA-N 0.000 claims 1
- 229920001661 Chitosan Polymers 0.000 claims 1
- 108010010803 Gelatin Proteins 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 125000003047 N-acetyl group Chemical group 0.000 claims 1
- 239000013543 active substance Substances 0.000 claims 1
- 150000001298 alcohols Chemical class 0.000 claims 1
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 125000005262 alkoxyamine group Chemical group 0.000 claims 1
- 150000003973 alkyl amines Chemical class 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 125000002431 aminoalkoxy group Chemical group 0.000 claims 1
- 150000004982 aromatic amines Chemical class 0.000 claims 1
- 125000003118 aryl group Chemical group 0.000 claims 1
- 239000000560 biocompatible material Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000000872 buffer Substances 0.000 claims 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 1
- 239000000969 carrier Substances 0.000 claims 1
- 230000021615 conjugation Effects 0.000 claims 1
- 238000013270 controlled release Methods 0.000 claims 1
- 239000002537 cosmetic Substances 0.000 claims 1
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 229960003082 galactose Drugs 0.000 claims 1
- 229920000159 gelatin Polymers 0.000 claims 1
- 239000008273 gelatin Substances 0.000 claims 1
- 235000019322 gelatine Nutrition 0.000 claims 1
- 235000011852 gelatine desserts Nutrition 0.000 claims 1
- 125000001072 heteroaryl group Chemical group 0.000 claims 1
- JARKCYVAAOWBJS-UHFFFAOYSA-N hexanal Chemical class CCCCCC=O JARKCYVAAOWBJS-UHFFFAOYSA-N 0.000 claims 1
- 229920002674 hyaluronan Polymers 0.000 claims 1
- 229960003160 hyaluronic acid Drugs 0.000 claims 1
- 229940042795 hydrazides for tuberculosis treatment Drugs 0.000 claims 1
- 150000002429 hydrazines Chemical class 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 150000002443 hydroxylamines Chemical class 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 125000004433 nitrogen atom Chemical group N* 0.000 claims 1
- 125000004430 oxygen atom Chemical group O* 0.000 claims 1
- 239000003880 polar aprotic solvent Substances 0.000 claims 1
- 102000004196 processed proteins & peptides Human genes 0.000 claims 1
- 230000001172 regenerating effect Effects 0.000 claims 1
- 150000003349 semicarbazides Chemical class 0.000 claims 1
- 238000006467 substitution reaction Methods 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 125000004434 sulfur atom Chemical group 0.000 claims 1
- 125000003396 thiol group Chemical group [H]S* 0.000 claims 1
- 150000003583 thiosemicarbazides Chemical class 0.000 claims 1
- PYHOFAHZHOBVGV-UHFFFAOYSA-N triazane Chemical compound NNN PYHOFAHZHOBVGV-UHFFFAOYSA-N 0.000 claims 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0063—Glycosaminoglycans or mucopolysaccharides, e.g. keratan sulfate; Derivatives thereof, e.g. fucoidan
- C08B37/0069—Chondroitin-4-sulfate, i.e. chondroitin sulfate A; Dermatan sulfate, i.e. chondroitin sulfate B or beta-heparin; Chondroitin-6-sulfate, i.e. chondroitin sulfate C; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
- A61K31/197—Carboxylic acids, e.g. valproic acid having an amino group the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid
- A61K31/198—Alpha-amino acids, e.g. alanine or edetic acid [EDTA]
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
- A61K38/06—Tripeptides
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/56—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
- A61K47/61—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule the organic macromolecular compound being a polysaccharide or a derivative 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
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/735—Mucopolysaccharides, e.g. hyaluronic acid; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
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- A61L27/52—Hydrogels or hydrocolloids
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/56—Porous materials, e.g. foams or sponges
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0036—Galactans; Derivatives thereof
- C08B37/0042—Carragenan or carragen, i.e. D-galactose and 3,6-anhydro-D-galactose, both partially sulfated, e.g. from red algae Chondrus crispus or Gigantia stellata; kappa-Carragenan; iota-Carragenan; lambda-Carragenan; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0063—Glycosaminoglycans or mucopolysaccharides, e.g. keratan sulfate; Derivatives thereof, e.g. fucoidan
- C08B37/0072—Hyaluronic acid, i.e. HA or hyaluronan; Derivatives thereof, e.g. crosslinked hyaluronic acid (hylan) or hyaluronates
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- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
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- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
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- Inorganic Chemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Immunology (AREA)
- Gastroenterology & Hepatology (AREA)
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- Polysaccharides And Polysaccharide Derivatives (AREA)
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Claims (28)
1. Производное сульфатированного полисахарида, имеющего в качестве части его полимерной цепи по меньшей мере одно галактопиранозное кольцо, модифицированное в соответствии с общей формулой I или II, причем указанное кольцо содержит двойную связь в 4-м и 5-м положениях галактозаминового кольца в конъюгации с альдегидом в 6-м положении в соответствии с общей формулой I или рядом с его гидратированной формой в соответствии с общей формулой II
где
R представляет собой ОН, O-SO2-OH, O-SO2-ONa или NH-Ac.
2. Производное сульфатированного полисахарида по п. 1, отличающееся тем, что полисахарид выбран из группы, включающей хондроитинсульфат, дерматансульфат, каррагинан и их фармацевтически приемлемые производные и/или соли.
3. Производное сульфатированного полисахарида по п. 1, отличающееся тем, что полисахарид имеет молекулярную массу в диапазоне от 1×103 до 5×104 г. моль-1 и степень замещения в диапазоне от 1 до 40%, предпочтительно от 10 до 25%.
4. Способ получения производных сульфатированных полисахаридов по п. 1, отличающийся тем, что сульфатированный полисахарид, который растворим в воде в его нативной форме и который содержит по меньшей мере одну галактопиранозную единицу, сульфатированную в 4-м положении, которая связана через α(1→3) или β(1→3) О-гликозидной связью в полимерной цепи в соответствии с общей структурной формулой (III)
где R представляет собой ОН, O-SO2-OH, O-SO2-ONa или NH-С(O)СН3, R1 представляет собой Н или Na,
окисляют до альдегида в 6-ом положении и сразу же после окисления реакционную смесь подвергают элиминированию в той же самой реакционной смеси с получением производного сульфатированного полисахарида по п. 1.
5. Способ получения по п. 4, отличающийся тем, что используют сульфатированный полисахарид с молекулярной массой в диапазоне от 1×104 до 5×106 г. моль-1.
6. Способ получения по п. 4, отличающийся тем, что используют сульфатированный полисахарид, выбранный из группы, включающей хондроитинсульфат, дерматансульфат, каррагинан и их фармацевтически приемлемые производные и/или соли.
7. Способ получения по п. 4, отличающийся тем, что окисление осуществляют с помощью системы R3-TEMPO/NaClO, где R3 представляет собой водород или N-ацетил, в воде или в водном растворе неорганических солей при 5-25°С.
8. Способ получения по п. 7, отличающийся тем, что молярное количество R3-TEMPO составляет от 0,01 до 0,2 эквивалентов и молярное количество NaClO находится в диапазоне от 0,1 до 2,0 эквивалентов по отношению к димеру сульфатированного полисахарида.
9. Способ получения по п. 7, отличающийся тем, что водный раствор неорганических солей представляет собой водный раствор, содержащий соль щелочного металла и/или буфер, напр., фосфатный буфер.
10. Способ получения по п. 4, отличающийся тем, что элиминирование проводят при температуре от 5 до 25°С и без выделения насыщенного С6-альдегида в галактопиранозной субъединице, сульфатированной в 4-м положении.
11. Способ модификации производного по п. 1, отличающийся тем, что производное подвергают реакции с амином в соответствии с общей формулой R2-NH2, где R2 представляет собой алкильную, арильную, гетарильную, линейную или разветвленную от C1 до С30 цепь, необязательно содержащую атомы N, S или О.
12. Способ модификации по п. 11, отличающийся тем, что амин представляет собой биологически активный амин, в основном, аминокислоту или пептид.
13. Способ модификации производного по п. 11, отличающийся тем, что производное подвергают реакции с амином, который является биологически приемлемым полимером со свободной аминогруппой.
14. Способ модификации по п. 13, отличающийся тем, что аминогруппа является прямой частью полимера, выбранного из группы, включающей желатин, хитозан, деацетилированную гиалуроновую кислоту и деацетилированный хондроитинсульфат.
15. Способ модификации по п. 13, отличающийся тем, что аминогруппа связана с полимером посредством линкера, содержащего амино, гидразин, гидразид, аминоалкокси, гидроксильную группу, карбоксильную группу, тиольную группу или любую их комбинацию.
16. Способ модификации по п. 11, отличающийся тем, что количество амина находится в диапазоне от 0,05 до 3,0 эквивалентов по отношению к димеру сульфатированного полисахарида.
17. Способ модификации по п. 11, отличающийся тем, что реакцию с амином проводят в воде, фосфатном буфере или системе вода-органический растворитель при температуре в диапазоне от 20 до 60°С в течение от 10 мин до 150 ч.
18. Способ модификации по п. 17, отличающийся тем, что органический растворитель выбирают из группы, включающей смешивающиеся с водой спирты, в частности, изопропанол или этанол, и смешивающиеся с водой полярные апротонные растворители, в частности, диметилсульфоксид, где содержание воды в смеси составляет по меньшей мере 50% об.
19. Способ модификации производного по п. 1, отличающийся тем, что производное подвергают реакции с водорастворимым биосовместимым би- и полифункциональным N-нуклеофилом, выбранным из группы, включающей алкиламины, ариламины, гетероалкиламины, гетариламины, аминокислоты, пептиды, полимеры со свободной аминогруппой, гидразины, гидроксиламины, гидразиды, семикарбазиды или тиосемикарбазиды, где происходит сшивание производного.
20. Способ модификации по п. 19, отличающийся тем, что N-нуклеофил представляет собой гидразид, деацетилированный полисахарид или алкоксиамин, и тем, что реакцию проводят в фосфатном буфере.
21. Применение производных по п. 1, в качестве носителей биологически активных веществ с их контролируемым высвобождением посредством изменения значения рН в области косметики и фармацевтики.
22. Применение производных, модифицированных способом по п. 11, в качестве биосовместимых материалов для биомедицинских применений и формирования каркасов для тканевой инженерии или для регенеративной медицины.
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2015
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EP3313893B1 (en) | 2019-05-22 |
CZ2015445A3 (cs) | 2017-01-04 |
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US10414832B2 (en) | 2019-09-17 |
WO2016206661A1 (en) | 2016-12-29 |
ES2742208T3 (es) | 2020-02-13 |
KR102665664B1 (ko) | 2024-05-10 |
RU2018102154A3 (ru) | 2019-07-26 |
JP2018519391A (ja) | 2018-07-19 |
JP6840683B2 (ja) | 2021-03-10 |
CZ306662B6 (cs) | 2017-04-26 |
EP3313893A1 (en) | 2018-05-02 |
BR112017027030B1 (pt) | 2021-06-08 |
KR20180021829A (ko) | 2018-03-05 |
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