CS196258B2 - Process for preparing asymmetric substituted 1,4-dioxan-2,5-diones - Google Patents
Process for preparing asymmetric substituted 1,4-dioxan-2,5-diones Download PDFInfo
- Publication number
- CS196258B2 CS196258B2 CS75253A CS25375A CS196258B2 CS 196258 B2 CS196258 B2 CS 196258B2 CS 75253 A CS75253 A CS 75253A CS 25375 A CS25375 A CS 25375A CS 196258 B2 CS196258 B2 CS 196258B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- dioxane
- acid
- polymer
- methyl
- lactic acid
- Prior art date
Links
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
-
- 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
- A61L17/00—Materials for surgical sutures or for ligaturing blood vessels ; Materials for prostheses or catheters
- A61L17/06—At least partially resorbable materials
- A61L17/10—At least partially resorbable materials containing macromolecular materials
- A61L17/105—Polyesters not covered by A61L17/12
-
- 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)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Veterinary Medicine (AREA)
- Materials For Medical Uses (AREA)
- Polyesters Or Polycarbonates (AREA)
- Biological Depolymerization Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Dental Preparations (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43536574A | 1974-01-21 | 1974-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS196258B2 true CS196258B2 (en) | 1980-03-31 |
Family
ID=23728099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS75253A CS196258B2 (en) | 1974-01-21 | 1975-01-14 | Process for preparing asymmetric substituted 1,4-dioxan-2,5-diones |
Country Status (22)
| Country | Link |
|---|---|
| JP (1) | JPS50101367A (fr) |
| AR (1) | AR205454A1 (fr) |
| AT (1) | AT339902B (fr) |
| BE (1) | BE824535A (fr) |
| CA (1) | CA1052046A (fr) |
| CH (1) | CH616417A5 (fr) |
| CS (1) | CS196258B2 (fr) |
| DD (1) | DD119259A5 (fr) |
| DE (1) | DE2501448A1 (fr) |
| DK (1) | DK15275A (fr) |
| FR (1) | FR2279745A1 (fr) |
| GB (1) | GB1494781A (fr) |
| HU (1) | HU173692B (fr) |
| IE (1) | IE40657B1 (fr) |
| IN (1) | IN141151B (fr) |
| IT (1) | IT1044114B (fr) |
| NL (1) | NL7500689A (fr) |
| PH (1) | PH12680A (fr) |
| PL (1) | PL101805B1 (fr) |
| RO (1) | RO70688A (fr) |
| SE (1) | SE7500594L (fr) |
| ZA (1) | ZA7538B (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56157422A (en) * | 1980-05-07 | 1981-12-04 | Mitsui Toatsu Chem Inc | Acetylated polyglycolic acid and preparation thereof |
| DE3778111D1 (de) * | 1986-10-24 | 1992-05-14 | Boehringer Ingelheim Kg | Verfahren zur herstellung und reinigung thermolabiler verbindungen. |
| JPH02500593A (ja) * | 1987-06-16 | 1990-03-01 | ベーリンガー インゲルハイム コマンディットゲゼルシャフト | メソラクチド及びその製造方法 |
| EP0339882A1 (fr) * | 1988-04-27 | 1989-11-02 | MITSUI TOATSU CHEMICALS, Inc. | Procédé de production de lactide |
| DE4321355A1 (de) * | 1993-06-26 | 1995-01-05 | Basf Ag | Polylactid mit Langkettenverzweigungen |
| DE4440095A1 (de) * | 1994-11-10 | 1996-05-15 | Braun B Surgical Gmbh | Chirurgisches Nahtmaterial, seine Verwendung in der Chirurgie und Verfahren zu seiner Herstellung |
| EP0789080B1 (fr) | 1996-02-08 | 2002-01-16 | Gesellschaft für ökologische Technologie und Systemanalyse e.V. | Procédé de préparation de lactates d'aminium organiques et leur utilisation pour le préparation de dilactide |
| FR2873371B1 (fr) * | 2004-07-26 | 2008-07-04 | Sod Conseils Rech Applic | Nouvelle methode de synthese de 2,5 dioxane 1,4 diones |
| JP2009537662A (ja) * | 2006-05-15 | 2009-10-29 | タイコ ヘルスケア グループ リミテッド パートナーシップ | ハロゲン化環状ラクトンおよびハロゲン化環状ラクトンから製造されるポリマー |
| US8729079B2 (en) | 2011-08-23 | 2014-05-20 | Endo Pharmaceuticals Inc. | Pyrimido-pyridazinone compounds and methods of use thereof |
| US9011832B2 (en) * | 2012-02-09 | 2015-04-21 | Novus International, Inc. | Heteroatom containing cyclic dimers |
-
1974
- 1974-12-24 CA CA216,765A patent/CA1052046A/fr not_active Expired
- 1974-12-31 IE IE2680/74A patent/IE40657B1/xx unknown
-
1975
- 1975-01-01 AR AR257269A patent/AR205454A1/es active
- 1975-01-02 ZA ZA00750038A patent/ZA7538B/xx unknown
- 1975-01-03 IN IN23/CAL/1975A patent/IN141151B/en unknown
- 1975-01-09 GB GB1003/75A patent/GB1494781A/en not_active Expired
- 1975-01-10 PH PH16698A patent/PH12680A/en unknown
- 1975-01-13 RO RO7581101A patent/RO70688A/fr unknown
- 1975-01-14 CS CS75253A patent/CS196258B2/cs unknown
- 1975-01-15 DE DE19752501448 patent/DE2501448A1/de not_active Withdrawn
- 1975-01-20 IT IT47760/75A patent/IT1044114B/it active
- 1975-01-20 SE SE7500594A patent/SE7500594L/xx unknown
- 1975-01-20 CH CH61375A patent/CH616417A5/de not_active IP Right Cessation
- 1975-01-20 DD DD183736A patent/DD119259A5/xx unknown
- 1975-01-20 BE BE152494A patent/BE824535A/fr unknown
- 1975-01-20 DK DK15275*BA patent/DK15275A/da not_active Application Discontinuation
- 1975-01-20 AT AT39075A patent/AT339902B/de not_active IP Right Cessation
- 1975-01-20 HU HU75AE436A patent/HU173692B/hu unknown
- 1975-01-20 PL PL1975177442A patent/PL101805B1/pl unknown
- 1975-01-21 NL NL7500689A patent/NL7500689A/xx not_active Application Discontinuation
- 1975-01-21 FR FR7501823A patent/FR2279745A1/fr active Granted
- 1975-01-21 JP JP50008413A patent/JPS50101367A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IE40657B1 (en) | 1979-07-18 |
| AR205454A1 (es) | 1976-05-07 |
| SE7500594L (fr) | 1975-07-22 |
| RO70688A (fr) | 1982-05-10 |
| FR2279745B1 (fr) | 1978-02-24 |
| DD119259A5 (fr) | 1976-04-12 |
| NL7500689A (nl) | 1975-07-23 |
| IN141151B (fr) | 1977-01-22 |
| PL101805B1 (pl) | 1979-02-28 |
| CA1052046A (fr) | 1979-04-03 |
| DK15275A (fr) | 1975-09-15 |
| DE2501448A1 (de) | 1975-07-24 |
| BE824535A (fr) | 1975-07-22 |
| JPS50101367A (fr) | 1975-08-11 |
| ATA39075A (de) | 1977-03-15 |
| ZA7538B (en) | 1976-01-28 |
| AT339902B (de) | 1977-11-10 |
| AU7708575A (en) | 1976-07-08 |
| HU173692B (hu) | 1979-07-28 |
| PH12680A (en) | 1979-07-18 |
| IE40657L (en) | 1975-07-21 |
| CH616417A5 (en) | 1980-03-31 |
| FR2279745A1 (fr) | 1976-02-20 |
| GB1494781A (en) | 1977-12-14 |
| IT1044114B (it) | 1980-03-20 |
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