KR900018129A - 콘드로이틴 황산염, 데르마탄황산염 및 히알루론산의 술포아미노 유도체와 그 약제학적 성질 - Google Patents
콘드로이틴 황산염, 데르마탄황산염 및 히알루론산의 술포아미노 유도체와 그 약제학적 성질 Download PDFInfo
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- KR900018129A KR900018129A KR1019890005904A KR890005904A KR900018129A KR 900018129 A KR900018129 A KR 900018129A KR 1019890005904 A KR1019890005904 A KR 1019890005904A KR 890005904 A KR890005904 A KR 890005904A KR 900018129 A KR900018129 A KR 900018129A
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- South Korea
- Prior art keywords
- sulfate
- derivatives
- deacetylation
- process according
- pharmaceutical composition
- Prior art date
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- -1 Sulphoamino derivatives of chondroitin sulfate Chemical class 0.000 title claims 3
- 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 title claims 2
- 229920000045 Dermatan sulfate Polymers 0.000 title claims 2
- 229920002674 hyaluronan Polymers 0.000 title claims 2
- 229960003160 hyaluronic acid Drugs 0.000 title 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 title 1
- 229940051593 dermatan sulfate Drugs 0.000 title 1
- 229920001287 Chondroitin sulfate Polymers 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 4
- 238000003381 deacetylation reaction Methods 0.000 claims 4
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims 3
- 239000008194 pharmaceutical composition Substances 0.000 claims 3
- 238000005670 sulfation reaction Methods 0.000 claims 3
- 229920002683 Glycosaminoglycan Polymers 0.000 claims 2
- 125000003047 N-acetyl group Chemical group 0.000 claims 2
- 239000004480 active ingredient Substances 0.000 claims 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 230000006196 deacetylation Effects 0.000 claims 2
- 239000000178 monomer Substances 0.000 claims 2
- 150000003457 sulfones Chemical class 0.000 claims 2
- FPJHWYCPAOPVIV-VOZMEZHOSA-N (2R,3S,4R,5R,6R)-6-[(2R,3R,4R,5R,6R)-5-acetamido-2-(hydroxymethyl)-6-methoxy-3-sulfooxyoxan-4-yl]oxy-4,5-dihydroxy-3-methoxyoxane-2-carboxylic acid Chemical compound CO[C@@H]1O[C@H](CO)[C@H](OS(O)(=O)=O)[C@H](O[C@@H]2O[C@H]([C@@H](OC)[C@H](O)[C@H]2O)C(O)=O)[C@H]1NC(C)=O FPJHWYCPAOPVIV-VOZMEZHOSA-N 0.000 claims 1
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 claims 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims 1
- 239000012736 aqueous medium Substances 0.000 claims 1
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 claims 1
- ZGCHATBSUIJLRL-UHFFFAOYSA-N hydrazine sulfate Chemical compound NN.OS(O)(=O)=O ZGCHATBSUIJLRL-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000000546 pharmaceutical excipient Substances 0.000 claims 1
- 159000000000 sodium salts Chemical class 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000001460 carbon-13 nuclear magnetic resonance spectrum Methods 0.000 description 3
- 229920002567 Chondroitin Polymers 0.000 description 2
- DLGJWSVWTWEWBJ-HGGSSLSASA-N chondroitin Chemical compound CC(O)=N[C@@H]1[C@H](O)O[C@H](CO)[C@H](O)[C@@H]1OC1[C@H](O)[C@H](O)C=C(C(O)=O)O1 DLGJWSVWTWEWBJ-HGGSSLSASA-N 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H5/00—Compounds containing saccharide radicals in which the hetero bonds to oxygen have been replaced by the same number of hetero bonds to halogen, nitrogen, sulfur, selenium, or tellurium
- C07H5/04—Compounds containing saccharide radicals in which the hetero bonds to oxygen have been replaced by the same number of hetero bonds to halogen, nitrogen, sulfur, selenium, or tellurium to nitrogen
- C07H5/06—Aminosugars
-
- 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
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
- A61P7/02—Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Dermatology (AREA)
- Hematology (AREA)
- Diabetes (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 출발물질인 큰드로이틴4-황산염과 콘드로이틴 N, 4-중황산염(GAG 973)의 13C NMR 스펙트럼을 나타낸다. 제2도는 콘드로이틴 6-황산염(GAG 921)출발물질 및 콘드로이틴 N, 6-중황산염(GAG 974)의 13CNMR 스펙트럼을 나타낸다. 제3도는 데르마탄 황산염(GAG 968) 및 데르마탄 N, 4 중황산염(GAG 944Ⅳ)의 13CNMR 스펙트럼을 나타내다.
Claims (12)
- 의 구조식으로된 이량적 단위체의 콘드로이틴 황산염 A 및 C 그 혼합물 데르마탄 황산염 또한 콘드로이틴 황산염 B에서 선별된 클리코사미노 글리칸의 합성 술포아미노 유도체.(R은 OH,, R1은 H,, Y는 H,, 또한 X는 H,).
- 의 구조식으로된 이량적 단위체의 히알루론산의 합성 술포 아미노유도체.
- 제1항 및 2항에 있어서, 건조 조건하에서 다음처럼 측정되고 상응하는 나트륨염에 관련하는 화학변수를 특징으로 하는 합성 유도체:슬폰황산 8.0-12%, 황산염/카르복실그룹 1.5-2.3%, 잔여 N-아세틸그룹 3, 분자량 2.3-30x103.
- 제3항에 있어서, 다음의 범위속에 포함되는 상기의 변수를 특징으로 하는 합성 유도체:슬폰황산 9.5-11.4%, 황산염/카르복실그룹 1.8-2.1, 잔여N-아세틸그룹 1%, 분자량 3-15x103.
- 출발물질인 글리코사미노글리칸을 여분의 히드라진 황산염 및 무수 히드라진과 함께 6시간 동안 105℃로 가열하여 이루어지는 1차 탈아세틸화 단계와 여분의 황산화 작용제와 함께 pH9로한 수성매질속에서 이루어진 선별적인 N-황산화 반응인 후속단계를 특징으로 하는 제1항 및 2항에 따르는 유도체의 제조방법.
- 제5항에 있어서, 상기의 황산화 작용제가 트리에틸아민-무수황산 및 클로로술폰산 중에서 선별되는 것을 특징으로 하는 제조공정.
- 제5항에 있어서, 후속의 N-황산화 단계에 요구되는 수준의 아세틸 그룹 함량을 얻을때까지 상기의 N-탈아세틸화 반응이 여러단계에 걸쳐 실행되는 것을 특징으로 하는 제조공정.
- 제5항에 있어서, 상기의 N-탈아세틸화 단계전에 공지방법의 예비 해축단계가 실행되는 것을 특징으로 하는 제조공정.
- 제8항에 있어서, 상기의 해축단계가 N-황산화 단계전에 실행되는 것을 특징으로 하는 제조공정.
- 일반적인 부형제와 함께 활성성분인 제1항 및 2항에 따르및는 글리코사미노글리칸 유도체를 함유하는 것을 특징으로하는 약제학적 조성물.
- 제10항에 있어서, 명화 활성도(clearing activity)가 있는 약제학적 조성물.
- 제10항에 있어서, 상기의 활성성분이 1-500㎎의 단위량 속에 함유되는 특징으로 하는 약제학적 조성물.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT20412A/88 | 1988-05-02 | ||
IT20412/88A IT1217458B (it) | 1988-05-02 | 1988-05-02 | Sulfoamino derivati di condroitin solfati,del dermatan solfato e dell' acido ialuronico e loro proprieta' farmacologiche |
Publications (1)
Publication Number | Publication Date |
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KR900018129A true KR900018129A (ko) | 1990-12-20 |
Family
ID=11166540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890005904A KR900018129A (ko) | 1988-05-02 | 1989-05-02 | 콘드로이틴 황산염, 데르마탄황산염 및 히알루론산의 술포아미노 유도체와 그 약제학적 성질 |
Country Status (11)
Country | Link |
---|---|
US (1) | US5008253A (ko) |
EP (1) | EP0340628B1 (ko) |
JP (1) | JPH01318002A (ko) |
KR (1) | KR900018129A (ko) |
AT (1) | ATE109163T1 (ko) |
AU (1) | AU618346B2 (ko) |
CA (1) | CA1307525C (ko) |
DE (1) | DE68917009T2 (ko) |
ES (1) | ES2057006T3 (ko) |
IT (1) | IT1217458B (ko) |
PT (1) | PT90414B (ko) |
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GB8826448D0 (en) * | 1988-11-11 | 1988-12-14 | Thrombosis Res Inst | Improvements in/relating to organic compounds |
DK0421508T3 (da) * | 1989-10-04 | 1994-04-11 | Akzo Nobel Nv | Sulfateret glycosaminoglycuronan med antithrombotisk aktivitet |
FR2655267B1 (fr) * | 1989-12-04 | 1992-04-03 | Roussel Uclaf | Nouveau derive sulfate du galactanne extrait de klebsiella, procede de preparation, application a titre de medicaments et compositions pharmaceutiques le renfermant. |
WO1991015217A1 (en) * | 1990-04-06 | 1991-10-17 | Washington University | Anticoagulant oligosaccharides |
FR2669932B1 (fr) * | 1990-12-03 | 1994-07-01 | Sanofi Sa | Nouvel heparosane-n,o-sulfate, son procede de preparation et les compositions pharmaceutiques qui le contiennent. |
US5629287A (en) * | 1991-01-18 | 1997-05-13 | University College London | Depot formulations |
US5610148A (en) * | 1991-01-18 | 1997-03-11 | University College London | Macroscopically oriented cell adhesion protein for wound treatment |
GB2286193A (en) * | 1991-03-28 | 1995-08-09 | Italfarmaco Spa | Anticoagulants and processes for preparing such |
US5605938A (en) * | 1991-05-31 | 1997-02-25 | Gliatech, Inc. | Methods and compositions for inhibition of cell invasion and fibrosis using dextran sulfate |
US5705178A (en) * | 1991-05-31 | 1998-01-06 | Gliatech, Inc. | Methods and compositions based on inhibition of cell invasion and fibrosis by anionic polymers |
US5234914A (en) * | 1991-06-11 | 1993-08-10 | Patent Biopharmaceutics, Inc. | Methods of treating hemorrhoids and anorecial disease |
WO1994017538A2 (en) * | 1993-01-21 | 1994-08-04 | Mayo Foundation For Medical Education And Research | Microparticle switching devices |
US5654006A (en) * | 1993-02-12 | 1997-08-05 | Mayo Foundation For Medical Education And Research | Condensed-phase microparticle composition and method |
US5753261A (en) * | 1993-02-12 | 1998-05-19 | Access Pharmaceuticals, Inc. | Lipid-coated condensed-phase microparticle composition |
US5820879A (en) * | 1993-02-12 | 1998-10-13 | Access Pharmaceuticals, Inc. | Method of delivering a lipid-coated condensed-phase microparticle composition |
ITPD940054A1 (it) * | 1994-03-23 | 1995-09-23 | Fidia Advanced Biopolymers Srl | Polisaccaridi solfatati |
US5690961A (en) * | 1994-12-22 | 1997-11-25 | Hercules Incorporated | Acidic polysaccharides crosslinked with polycarboxylic acids and their uses |
IT1290814B1 (it) * | 1997-03-24 | 1998-12-11 | Istituto Scient Di Chimica E B | Glicosaminoglicani aventi elevata attivita' antitrombotica |
ATE229038T1 (de) | 1997-04-04 | 2002-12-15 | Fidia Advanced Biopolymers Srl | N-sulfatierte hyaluronsäureverbindungen, ihre derivate und verfahren zu ihrer herstellung |
DE19813234A1 (de) * | 1998-03-26 | 1999-09-30 | Knoell Hans Forschung Ev | Verfahren zur Herstellung hochsulfatierter Hyaluronsäuren |
US20030104601A1 (en) * | 1999-04-01 | 2003-06-05 | Deangelis Paul L. | Chondroitin synthase gene and methods of making and using same |
US7223571B2 (en) * | 1998-04-02 | 2007-05-29 | The Board Of Regents Of The Universtiy Of Oklahoma | Targeted glycosaminoglycan polymers by polymer grafting and methods of making and using same |
US20080108110A1 (en) * | 1998-04-02 | 2008-05-08 | Deangelis Paul L | Targeted glycosaminoglycan polymers by polymer grafting and methods of making and using same |
US20060188966A1 (en) * | 1998-04-02 | 2006-08-24 | Deangelis Paul L | Natural, chimeric and hybrid glycosaminoglycan polymers and methods of making and using same |
KR100530196B1 (ko) | 1998-04-30 | 2005-11-22 | 마루하 가부시키가이샤 | 구조내 글루쿠론산 유도체 및 글루코사민 유도체를 갖는화합물, 그의 제법 및 그의 용도 |
US20020086852A1 (en) * | 1998-05-14 | 2002-07-04 | Cantor Jerome O. | Method for treating respiratory disorders associated with pulmonary elastic fiber injury |
ITPD980169A1 (it) | 1998-07-06 | 2000-01-06 | Fidia Advanced Biopolymers Srl | Ammidi dell'acido ialuronico e dei suoi derivati e processo per la loro preparazione. |
US7642071B2 (en) | 1999-04-01 | 2010-01-05 | The Board Of Regents Of The University Of Oklahoma | Methods of expressing gram-negative glycosaminoglycan synthase genes in gram-positive hosts |
US20040161476A1 (en) * | 2003-02-19 | 2004-08-19 | Hahn Sungtack Samuel | Cystitis treatment with high dose chondroitin sulfate |
ITPD20050056A1 (it) | 2005-03-02 | 2006-09-03 | Fidia Farmaceutici | Derivati ammidici del'acido ialuronico in osteoartrosi |
BRPI0909849A2 (pt) | 2008-04-04 | 2015-10-06 | Univ Utah Res Found | éteres semi-sintéticos de glicosaminoglicosanos e métodos para fazê-los e usá-los |
IT1397247B1 (it) * | 2009-05-14 | 2013-01-04 | Fidia Farmaceutici | Nuovi agenti regolatori dell'attivita' citochinica |
US8546353B2 (en) * | 2010-05-06 | 2013-10-01 | Glykos Finland Oy | Compounds and combinations |
US9522162B2 (en) | 2011-03-23 | 2016-12-20 | University Of Utah Research Foundation | Methods for treating or preventing urological inflammation |
EP2928500B1 (en) | 2012-12-04 | 2019-03-06 | Phosphorex Inc. | Microparticles and nanoparticles having negative surface charges |
JP6063103B1 (ja) * | 2015-03-31 | 2017-01-18 | 生化学工業株式会社 | グリコサミノグリカンの硫酸化方法 |
WO2018053111A1 (en) | 2016-09-15 | 2018-03-22 | University Of Utah Research Foundation | In situ gelling compositions for the treatment or prevention of inflammation and tissue damage |
CN111228653A (zh) | 2018-11-13 | 2020-06-05 | 格莱科米拉治疗公司 | 用电离辐射加强癌症治疗的方法 |
CN111662394B (zh) * | 2019-03-05 | 2022-11-04 | 中国医学科学院药物研究所 | 硫酸软骨素多糖半合成制备方法和应用 |
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GB838709A (en) * | 1955-09-22 | 1960-06-22 | Upjohn Co | Improvements in or relating to aminoalcohol-n-sulphonic acid compounds |
US3405120A (en) * | 1966-01-27 | 1968-10-08 | Green Cross Corp | Low molecular chondroitin sulfate and method for manufacturing the same |
FR2504535B1 (fr) * | 1981-04-28 | 1987-08-14 | Choay Sa | Disaccharides derives d'un acide uronique et d'une glucosamine et compositions pharmaceutiques les contenant pour le controle de la coagulation sanguine |
US4818816A (en) * | 1981-04-28 | 1989-04-04 | Choay, S.A. | Process for the organic synthesis of oligosaccharides and derivatives thereof |
EP0838709A3 (de) * | 1996-09-30 | 1999-07-28 | Siemens Aktiengesellschaft | Anordnung zur Erzeugung einer Umsetzung zwischen Lichtstrahlen kleineren Strahlquerschnitts und einem Lichtstrahl grösseren Strahlquerschnitts |
-
1988
- 1988-05-02 IT IT20412/88A patent/IT1217458B/it active
-
1989
- 1989-04-27 EP EP89107615A patent/EP0340628B1/en not_active Expired - Lifetime
- 1989-04-27 ES ES89107615T patent/ES2057006T3/es not_active Expired - Lifetime
- 1989-04-27 DE DE68917009T patent/DE68917009T2/de not_active Expired - Fee Related
- 1989-04-27 AT AT89107615T patent/ATE109163T1/de not_active IP Right Cessation
- 1989-04-28 PT PT90414A patent/PT90414B/pt not_active IP Right Cessation
- 1989-05-02 US US07/346,502 patent/US5008253A/en not_active Expired - Fee Related
- 1989-05-02 CA CA000598507A patent/CA1307525C/en not_active Expired - Fee Related
- 1989-05-02 KR KR1019890005904A patent/KR900018129A/ko not_active Application Discontinuation
- 1989-05-02 AU AU33922/89A patent/AU618346B2/en not_active Ceased
- 1989-05-02 JP JP1112324A patent/JPH01318002A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1307525C (en) | 1992-09-15 |
US5008253A (en) | 1991-04-16 |
EP0340628A3 (en) | 1990-01-24 |
JPH01318002A (ja) | 1989-12-22 |
EP0340628B1 (en) | 1994-07-27 |
IT1217458B (it) | 1990-03-22 |
ATE109163T1 (de) | 1994-08-15 |
PT90414A (pt) | 1989-11-30 |
EP0340628A2 (en) | 1989-11-08 |
IT8820412A0 (it) | 1988-05-02 |
AU618346B2 (en) | 1991-12-19 |
AU3392289A (en) | 1989-11-02 |
DE68917009D1 (de) | 1994-09-01 |
PT90414B (pt) | 1994-08-31 |
ES2057006T3 (es) | 1994-10-16 |
DE68917009T2 (de) | 1994-11-10 |
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