DE1668993C3 - Verfahren zur Isolierung von alpha-Glycolid - Google Patents
Verfahren zur Isolierung von alpha-GlycolidInfo
- Publication number
- DE1668993C3 DE1668993C3 DE1668993A DE1668993A DE1668993C3 DE 1668993 C3 DE1668993 C3 DE 1668993C3 DE 1668993 A DE1668993 A DE 1668993A DE 1668993 A DE1668993 A DE 1668993A DE 1668993 C3 DE1668993 C3 DE 1668993C3
- Authority
- DE
- Germany
- Prior art keywords
- glycolide
- pure
- polymers
- production
- composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 18
- 238000002955 isolation Methods 0.000 title description 2
- RKDVKSZUMVYZHH-UHFFFAOYSA-N 1,4-dioxane-2,5-dione Chemical compound O=C1COC(=O)CO1 RKDVKSZUMVYZHH-UHFFFAOYSA-N 0.000 claims description 51
- 239000000203 mixture Substances 0.000 claims description 26
- 229920000642 polymer Polymers 0.000 claims description 24
- 239000002904 solvent Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 5
- 238000002425 crystallisation Methods 0.000 claims description 4
- 230000008025 crystallization Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims 3
- 239000002253 acid Substances 0.000 claims 3
- 150000002148 esters Chemical class 0.000 claims 3
- 229960004275 glycolic acid Drugs 0.000 claims 3
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims 2
- 238000009833 condensation Methods 0.000 claims 2
- 230000005494 condensation Effects 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052787 antimony Inorganic materials 0.000 claims 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims 1
- 125000003118 aryl group Chemical group 0.000 claims 1
- 239000006227 byproduct Substances 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- 229920000891 common polymer Polymers 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 238000006482 condensation reaction Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 230000001771 impaired effect Effects 0.000 claims 1
- 239000012299 nitrogen atmosphere Substances 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 238000004513 sizing Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- ODNBVEIAQAZNNM-UHFFFAOYSA-N 1-(6-chloroimidazo[1,2-b]pyridazin-3-yl)ethanone Chemical compound C1=CC(Cl)=NN2C(C(=O)C)=CN=C21 ODNBVEIAQAZNNM-UHFFFAOYSA-N 0.000 description 2
- GUNJVIDCYZYFGV-UHFFFAOYSA-K Antimony trifluoride Inorganic materials F[Sb](F)F GUNJVIDCYZYFGV-UHFFFAOYSA-K 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- NPPQSCRMBWNHMW-UHFFFAOYSA-N Meprobamate Chemical compound NC(=O)OCC(C)(CCC)COC(N)=O NPPQSCRMBWNHMW-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 229930182470 glycoside Natural products 0.000 description 1
- 150000002338 glycosides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000010956 selective crystallization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
- C07D319/12—1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
- Saccharide Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64550267A | 1967-06-12 | 1967-06-12 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1668993A1 DE1668993A1 (de) | 1972-03-23 |
| DE1668993B2 DE1668993B2 (de) | 1973-07-12 |
| DE1668993C3 true DE1668993C3 (de) | 1974-02-07 |
Family
ID=24589277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1668993A Expired DE1668993C3 (de) | 1967-06-12 | 1968-03-05 | Verfahren zur Isolierung von alpha-Glycolid |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3457280A (cg-RX-API-DMAC10.html) |
| BE (1) | BE714117A (cg-RX-API-DMAC10.html) |
| CH (1) | CH543501A (cg-RX-API-DMAC10.html) |
| DE (1) | DE1668993C3 (cg-RX-API-DMAC10.html) |
| ES (1) | ES354952A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR1560162A (cg-RX-API-DMAC10.html) |
| NL (1) | NL159382B (cg-RX-API-DMAC10.html) |
| SE (2) | SE378597B (cg-RX-API-DMAC10.html) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3912692A (en) * | 1973-05-03 | 1975-10-14 | American Cyanamid Co | Process for polymerizing a substantially pure glycolide composition |
| US4716964A (en) * | 1981-08-10 | 1988-01-05 | Exxon Production Research Company | Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion |
| US4727163A (en) * | 1985-07-11 | 1988-02-23 | E. I. Du Pont De Nemours And Company | Process for preparing highly pure cyclic esters |
| US4650851A (en) * | 1986-03-19 | 1987-03-17 | Pfizer Hospital Products Group, Inc. | Purification of glycolide |
| ATE79386T1 (de) * | 1986-12-19 | 1992-08-15 | Akzo Nv | Herstellung von polymilchsaeure und copolymeren daraus. |
| US4835293A (en) * | 1987-02-24 | 1989-05-30 | E. I. Du Pont De Nemours And Company | Atmospheric pressure process for preparing pure cyclic esters |
| US5274127A (en) * | 1990-09-18 | 1993-12-28 | Biopak Technology, Ltd. | Lactide production from dehydration of aqueous lactic acid feed |
| US5319107A (en) * | 1990-09-18 | 1994-06-07 | Biopak Technology, Ltd. | Method to produce cyclic esters |
| US5223630A (en) * | 1989-10-10 | 1993-06-29 | E. I. Du Pont De Nemours And Company | Glycolide purification process |
| US5043458A (en) * | 1990-05-03 | 1991-08-27 | E. I. Du Pont De Nemours And Company | One-step continuous process for preparing cyclic esters |
| US5332839A (en) * | 1990-09-18 | 1994-07-26 | Biopak Technology, Ltd. | Catalytic production of lactide directly from lactic acid |
| US5675021A (en) * | 1992-03-19 | 1997-10-07 | Chronopol, Inc. | Method to produce and purify cyclic esters |
| US5420304A (en) * | 1992-03-19 | 1995-05-30 | Biopak Technology, Ltd. | Method to produce cyclic esters |
| US5686630A (en) * | 1993-09-29 | 1997-11-11 | Chronopol, Inc. | Purifying cyclic esters by aqueous solvent extraction |
| US6074673A (en) * | 1996-04-22 | 2000-06-13 | Guillen; Manuel | Slow-release, self-absorbing, drug delivery system |
| US20090062909A1 (en) | 2005-07-15 | 2009-03-05 | Micell Technologies, Inc. | Stent with polymer coating containing amorphous rapamycin |
| PL1909973T3 (pl) | 2005-07-15 | 2019-01-31 | Micell Technologies, Inc. | Polimerowe powłoki zawierające proszek leku o kontrolowanej morfologii |
| CA2650590C (en) | 2006-04-26 | 2018-04-03 | Micell Technologies, Inc. | Coatings containing multiple drugs |
| CA2667228C (en) | 2006-10-23 | 2015-07-14 | Micell Technologies, Inc. | Holder for electrically charging a substrate during coating |
| CN101711137B (zh) | 2007-01-08 | 2014-10-22 | 米歇尔技术公司 | 具有可生物降解层的支架 |
| US11426494B2 (en) | 2007-01-08 | 2022-08-30 | MT Acquisition Holdings LLC | Stents having biodegradable layers |
| EP2170418B1 (en) | 2007-05-25 | 2016-03-16 | Micell Technologies, Inc. | Polymer films for medical device coating |
| EP2271294B1 (en) | 2008-04-17 | 2018-03-28 | Micell Technologies, Inc. | Stents having bioabsorbable layers |
| US9510856B2 (en) | 2008-07-17 | 2016-12-06 | Micell Technologies, Inc. | Drug delivery medical device |
| JP2011528275A (ja) | 2008-07-17 | 2011-11-17 | ミセル テクノロジーズ，インク． | 薬物送達医療デバイス |
| US8834913B2 (en) | 2008-12-26 | 2014-09-16 | Battelle Memorial Institute | Medical implants and methods of making medical implants |
| US9981072B2 (en) | 2009-04-01 | 2018-05-29 | Micell Technologies, Inc. | Coated stents |
| WO2010121187A2 (en) | 2009-04-17 | 2010-10-21 | Micell Techologies, Inc. | Stents having controlled elution |
| US11369498B2 (en) | 2010-02-02 | 2022-06-28 | MT Acquisition Holdings LLC | Stent and stent delivery system with improved deliverability |
| US8795762B2 (en) | 2010-03-26 | 2014-08-05 | Battelle Memorial Institute | System and method for enhanced electrostatic deposition and surface coatings |
| US10232092B2 (en) | 2010-04-22 | 2019-03-19 | Micell Technologies, Inc. | Stents and other devices having extracellular matrix coating |
| US20130172853A1 (en) | 2010-07-16 | 2013-07-04 | Micell Technologies, Inc. | Drug delivery medical device |
| US10464100B2 (en) | 2011-05-31 | 2019-11-05 | Micell Technologies, Inc. | System and process for formation of a time-released, drug-eluting transferable coating |
| CA2841360A1 (en) | 2011-07-15 | 2013-01-24 | Micell Technologies, Inc. | Drug delivery medical device |
| US10188772B2 (en) | 2011-10-18 | 2019-01-29 | Micell Technologies, Inc. | Drug delivery medical device |
| JP6330024B2 (ja) | 2013-03-12 | 2018-05-23 | マイセル・テクノロジーズ，インコーポレイテッド | 生体吸収性バイオメディカルインプラント |
| WO2014186532A1 (en) | 2013-05-15 | 2014-11-20 | Micell Technologies, Inc. | Bioabsorbable biomedical implants |
| CN110684011B (zh) * | 2018-07-06 | 2021-02-09 | 中国石油化工股份有限公司 | 乙交酯的制备方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2668162A (en) * | 1952-03-20 | 1954-02-02 | Du Pont | Preparation of high molecular weight polyhydroxyacetic ester |
-
1967
- 1967-06-12 US US645502A patent/US3457280A/en not_active Expired - Lifetime
-
1968
- 1968-03-05 DE DE1668993A patent/DE1668993C3/de not_active Expired
- 1968-04-19 FR FR1560162D patent/FR1560162A/fr not_active Expired
- 1968-04-24 BE BE714117D patent/BE714117A/xx unknown
- 1968-05-08 NL NL6806492.A patent/NL159382B/xx not_active IP Right Cessation
- 1968-06-10 CH CH856168A patent/CH543501A/de not_active IP Right Cessation
- 1968-06-12 SE SE7111003A patent/SE378597B/xx unknown
- 1968-06-12 ES ES354952A patent/ES354952A1/es not_active Expired
- 1968-06-12 SE SE07911/68A patent/SE356047B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1668993B2 (de) | 1973-07-12 |
| NL159382B (nl) | 1979-02-15 |
| FR1560162A (cg-RX-API-DMAC10.html) | 1969-03-14 |
| US3457280A (en) | 1969-07-22 |
| SE356047B (cg-RX-API-DMAC10.html) | 1973-05-14 |
| CH543501A (de) | 1973-12-14 |
| SE378597B (cg-RX-API-DMAC10.html) | 1975-09-08 |
| NL6806492A (cg-RX-API-DMAC10.html) | 1968-12-13 |
| DE1668993A1 (de) | 1972-03-23 |
| ES354952A1 (es) | 1970-03-01 |
| BE714117A (cg-RX-API-DMAC10.html) | 1968-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1668993C3 (de) | Verfahren zur Isolierung von alpha-Glycolid | |
| DE2462369C2 (de) | Verfahren zur Herstellung eines Mesophase enthaltenden Pechs | |
| DE1808939B2 (de) | Stabile feinkörnige Aufschlämmung von 1,4-Dioxacyclohexadion-2,5 sowie ein Verfahren zu ihrer Herstellung | |
| DE2457991B2 (de) | Verfahren zur Herstellung von Kohlenstoff-Fasern | |
| DE2949531A1 (de) | Verfahren zur herstellung einer polymeren mischung, aus einer derartigen mischung hergestellte formprodukte sowie bis zu hohen temperaturen stabile und homogene polymerlegierung | |
| DE1668994C3 (cg-RX-API-DMAC10.html) | ||
| DE1106077B (de) | Verfahren zur Herstellung von kristallinen Polymeren der Alkyl- und Cycloalkylacrylate und -methacrylate | |
| DE2733230C2 (cg-RX-API-DMAC10.html) | ||
| DE2259614A1 (de) | Polyurethane und verfahren zu deren herstellung | |
| EP0399485B1 (de) | Verfahren zur Herstellung von D,L-Lactid | |
| DE2656169C2 (cg-RX-API-DMAC10.html) | ||
| DE1494588A1 (de) | Verfahren zur Herstellung von zu elastomeren Faeden verspinnbaren Loesungen von linearen Polyurethanmischpolymerisaten | |
| DE68908651T2 (de) | Herstellung von elastischen Graphit-Materialen. | |
| DE2527943C2 (de) | Verfahren zur Umwandlung von Pech in kristalloides Pech | |
| DE69127364T2 (de) | Hydroxyalkanoatpolymerzusammensetzung | |
| DE2410370C2 (de) | Neue Pyrazolverbindungen, Verfahren zu ihrer Herstellung und die Verwendung von Pyrazolverbindungen zum Stabilisieren von organischen Materialien | |
| DE2910794C2 (cg-RX-API-DMAC10.html) | ||
| DE1134835B (de) | Verfahren zur Herstellung von hochmolekularen, stabilen Poly-(methylensulfiden) | |
| DE3045333A1 (de) | "fibride und fibrillen aus polymeren des vinylidenfluorids" | |
| DE2647901C2 (de) | Verfahren zur Herstellung von Kohlenstoffasern | |
| DE1274274B (de) | Verfahren zur Herstellung von Faeden oder Filmen durch Verformen von hochmolekularenlinearen Polycarbonaten | |
| DE1768949C3 (de) | Verfahren zur Gewinnung von beta-Glycolid aus einer Mischung der alpha- und beta-Isomeren. Ausscheidung aus: 1543314 | |
| DE3245111A1 (de) | Verfahren zur herstellung reiner crotonsaeuren | |
| AT204680B (de) | Verfahren zur Verbesserung der mechanischen Eigenschaften von Polypropylenprodukten | |
| AT213053B (de) | Verfahren zur Herstellung eines linearen, hochmolekularen Polymerisationsproduktes mit regelmäßiger Struktur |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |