CH674517A5 - Sulphated alkaline dextran and hydro-dextran prepn. - Google Patents
Sulphated alkaline dextran and hydro-dextran prepn. Download PDFInfo
- Publication number
- CH674517A5 CH674517A5 CH4930/87A CH493087A CH674517A5 CH 674517 A5 CH674517 A5 CH 674517A5 CH 4930/87 A CH4930/87 A CH 4930/87A CH 493087 A CH493087 A CH 493087A CH 674517 A5 CH674517 A5 CH 674517A5
- Authority
- CH
- Switzerland
- Prior art keywords
- dextran
- sulphated
- alcohol
- alkali
- hydro
- Prior art date
Links
- 229920002307 Dextran Polymers 0.000 title claims abstract description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 150000004676 glycans Chemical class 0.000 claims abstract description 10
- 229920001282 polysaccharide Polymers 0.000 claims abstract description 10
- 239000005017 polysaccharide Substances 0.000 claims abstract description 10
- 239000003513 alkali Substances 0.000 claims abstract description 7
- 150000001805 chlorine compounds Chemical class 0.000 claims abstract description 6
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims abstract description 5
- 239000006188 syrup Substances 0.000 claims abstract description 5
- 235000020357 syrup Nutrition 0.000 claims abstract description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- XTHPWXDJESJLNJ-UHFFFAOYSA-N sulfurochloridic acid Chemical compound OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000012024 dehydrating agents Substances 0.000 claims description 4
- 230000019635 sulfation Effects 0.000 claims description 4
- 238000005670 sulfation reaction Methods 0.000 claims description 4
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Inorganic materials O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical group C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000011343 solid material Substances 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 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 description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 229910052936 alkali metal sulfate Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- 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
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0009—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid alpha-D-Glucans, e.g. polydextrose, alternan, glycogen; (alpha-1,4)(alpha-1,6)-D-Glucans; (alpha-1,3)(alpha-1,4)-D-Glucans, e.g. isolichenan or nigeran; (alpha-1,4)-D-Glucans; (alpha-1,3)-D-Glucans, e.g. pseudonigeran; Derivatives thereof
- C08B37/0021—Dextran, i.e. (alpha-1,4)-D-glucan; Derivatives thereof, e.g. Sephadex, i.e. crosslinked dextran
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES8603588A ES2001728A6 (es) | 1986-12-24 | 1986-12-24 | Procedimiento para la obtencion de dextrano e hidrodextrano sulfatados alcalinos sustancialmente libres de iones sulfato y cloruro |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH674517A5 true CH674517A5 (en) | 1990-06-15 |
Family
ID=8248950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH4930/87A CH674517A5 (en) | 1986-12-24 | 1987-12-17 | Sulphated alkaline dextran and hydro-dextran prepn. |
Country Status (6)
| Country | Link |
|---|---|
| CH (1) | CH674517A5 (it) |
| ES (1) | ES2001728A6 (it) |
| HU (1) | HU202888B (it) |
| IT (1) | IT1223461B (it) |
| PT (1) | PT86462B (it) |
| YU (1) | YU45052B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2043529B1 (es) * | 1991-11-08 | 1994-06-01 | Taya Miguel Margarit | Procedimiento para la obtencion de un polisacarido sulfato alcalino. |
-
1986
- 1986-12-24 ES ES8603588A patent/ES2001728A6/es not_active Expired
-
1987
- 1987-12-15 IT IT23000/87A patent/IT1223461B/it active
- 1987-12-15 YU YU2281/87A patent/YU45052B/xx unknown
- 1987-12-17 CH CH4930/87A patent/CH674517A5/fr not_active IP Right Cessation
- 1987-12-23 HU HU875993A patent/HU202888B/hu not_active IP Right Cessation
- 1987-12-23 PT PT86462A patent/PT86462B/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| YU45052B (en) | 1991-06-30 |
| PT86462A (en) | 1988-01-01 |
| ES2001728A6 (es) | 1988-06-01 |
| IT1223461B (it) | 1990-09-19 |
| HUT48645A (en) | 1989-06-28 |
| HU202888B (en) | 1991-04-29 |
| YU228187A (en) | 1988-10-31 |
| PT86462B (pt) | 1990-11-20 |
| IT8723000A0 (it) | 1987-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5078886A (en) | Separation of mixtures by two-phase systems | |
| FR2633940A1 (fr) | Scleroglucane traite au glyoxal et son procede d'obtention | |
| US4990611A (en) | Agarose purification method using glycol | |
| US4234528A (en) | Asymmetrical ultrafiltration membrane based on cellulose hydrate | |
| CH674517A5 (en) | Sulphated alkaline dextran and hydro-dextran prepn. | |
| SI9111632B (sl) | Trdna laktuloza | |
| KR910000788A (ko) | 쉽게 용해할수 있는 결정성 α-L-아스파르틸-L-페닐알라닌메틸 에스테르의 제조방법 | |
| BR8504008A (pt) | Processo para a separacao de um acido organico fraco de uma solucao aquosa | |
| CH616918A5 (it) | ||
| US2863887A (en) | Method for purifying synthetic organic detergents | |
| JPH02235902A (ja) | ザンタイト架橋を有するセルロース及びセルロース誘導体粒子およびその製造方法 | |
| SI8712281A8 (sl) | Postopek za pripravo alkalijsko sulfatiranega dekstrana in hidrodekstrana, ki je v bistvu brez sulfatnega in kloridnega iona | |
| FR2774380A1 (fr) | Cellulose de parenchyme substituee par des groupements carboxyalkyle | |
| FI129376B (en) | PURIFICATION OF BETULINOL | |
| US3262854A (en) | Method for the recovery of heparin | |
| RU2126792C1 (ru) | Способ получения натриевой соли 1,2,3,4-тетрагидро-2-метил-1,4-диоксонафталин- 2-сульфокислоты (викасола) | |
| CZ281723B6 (cs) | Způsob izolace krystalické alfa, alfa-trehalosy | |
| RU2024502C1 (ru) | Способ получения лаурилсульфата магния | |
| US2858300A (en) | Sulfation of proteins | |
| BE857389A (fr) | Procede de preparation de chondroitines-sulfates de metaux alcalins et alcalino-terreux d'un poids moleculaire de 3000 a 6000 | |
| KR100363325B1 (ko) | 옥테닐호박산 β-싸이클로덱스트린 및 그 제조방법 | |
| CN107080735A (zh) | 一种吲哚美辛粉体 | |
| SU122747A2 (ru) | Способ выделени 1-антрахинонсульфокислоты | |
| JPS5925801A (ja) | セルロ−ス含有材料の可溶化および／または加水分解方法 | |
| JPH02361B2 (it) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |