BE527270A - - Google Patents
Info
- Publication number
- BE527270A BE527270A BE527270DA BE527270A BE 527270 A BE527270 A BE 527270A BE 527270D A BE527270D A BE 527270DA BE 527270 A BE527270 A BE 527270A
- Authority
- BE
- Belgium
- Prior art keywords
- derivative
- product
- molecules
- bifunctional
- reagent
- Prior art date
Links
- 239000000047 product Substances 0.000 claims description 20
- 239000003153 chemical reaction reagent Substances 0.000 claims description 11
- 238000006467 substitution reaction Methods 0.000 claims description 11
- 238000004132 cross linking Methods 0.000 claims description 10
- 230000001588 bifunctional effect Effects 0.000 claims description 7
- 239000001913 cellulose Substances 0.000 claims description 7
- 229920002678 cellulose Polymers 0.000 claims description 7
- 239000008141 laxative Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- DEWLEGDTCGBNGU-UHFFFAOYSA-N 1,3-dichloropropan-2-ol Chemical group ClCC(O)CCl DEWLEGDTCGBNGU-UHFFFAOYSA-N 0.000 claims description 4
- 229940125722 laxative agent Drugs 0.000 claims description 4
- 229920003086 cellulose ether Polymers 0.000 claims description 3
- 230000036571 hydration Effects 0.000 claims description 3
- 238000006703 hydration reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical group OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 239000012467 final product Substances 0.000 claims 1
- 230000000968 intestinal effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000010521 absorption reaction Methods 0.000 description 7
- 235000010980 cellulose Nutrition 0.000 description 5
- 230000002475 laxative effect Effects 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 229940105329 carboxymethylcellulose Drugs 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 1
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 238000003113 dilution method Methods 0.000 description 1
- 229960002840 drug for constipation Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229960003750 ethyl chloride Drugs 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 229940071826 hydroxyethyl cellulose Drugs 0.000 description 1
- 208000003243 intestinal obstruction Diseases 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 229960002900 methylcellulose Drugs 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000008719 thickening Effects 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
- C08B11/00—Preparation of cellulose ethers
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/10—Crosslinking of cellulose
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE527270A true BE527270A (cg-RX-API-DMAC7.html) |
Family
ID=160995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE527270D BE527270A (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE527270A (cg-RX-API-DMAC7.html) |
-
0
- BE BE527270D patent/BE527270A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0076279B1 (fr) | Procede d'obtention de mucopolysaccarides biologiquement actifs, de purete elevee, par depolymerisation controlee de l'heparine | |
| EP0124439B1 (fr) | Procédé de modification des pectines de betterave, produits obtenus et leurs applications | |
| CH414584A (fr) | Procédé de préparation d'un dérivé de polysaccharide | |
| DE1813571A1 (de) | Plasmastreckmittel aus Staerke und Verfahren zu ihrer Herstellung | |
| EP2174959A1 (en) | Etherified thinned starch | |
| CA1212497A (fr) | Poly .beta.-alanine reticulee et ses differentes applications | |
| BE527270A (cg-RX-API-DMAC7.html) | ||
| EP0778287B1 (fr) | Dérivés de cyclodextrine | |
| US10307486B2 (en) | Surface modified nanocrystalline cellulose and uses thereof | |
| EP3560916B1 (fr) | Procédé de synthèse de 5-dialkylacétal-2-furoates d'alkyle et leur utilisation dans la préparation d'agents tensioactifs biosourcés | |
| EP0773229A1 (fr) | Dérivés de cyclodextrine et leur utilisation, notamment en cosmétique | |
| FR2591601A1 (fr) | Procede de production de sels de metal alcalin de carboxyalkyl cellulose insolubles dans l'eau | |
| DE69618496T2 (de) | Verfahren zur Derivatisierung von Polyglukosaminen | |
| CH318641A (fr) | Procédé de préparation d'éthers cellulosiques mixtes | |
| EP2190884A1 (fr) | Procédé de préparation de dérivés (poly(oxyde d'éthylène) poly(oxyde de propylène)) thermosensibles utiles pour fonctionnaliser le chitosane. | |
| EP0736045B1 (fr) | Utilisation de mono-3,6-anhydrocyclodextrines pour solubiliser un compose hydrophobe et pour controler la purete d'un enantiomere, et procede de preparation de ces cyclodextrines | |
| Otey et al. | Reactivity of modified starches with isocyanates | |
| US20050249778A1 (en) | Carboxylated polysaccharides and method of preparation and use | |
| FR2636334A1 (fr) | Polysaccharides perfluoroalicyles, leur obtention et leurs utilisations | |
| EP0662987B1 (fr) | Procede pour la solubilisation du poly(1-3)glucopyranose | |
| FR2517326A1 (fr) | Production d'une preparation de pullulane a repartition etroite de masses moleculaires | |
| US3248382A (en) | Method of isolating acetylated polysaccharides | |
| EP1094082B1 (fr) | Procédé de transformation de matières amylacées en phase sèche | |
| WO1999038892A1 (fr) | Cellulose de parenchyme substituee par des groupements carboxyalkyle et procede pour la preparer | |
| US3540905A (en) | Process for stable dispersions of dialdehyde polysaccharides |