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)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Materials For Medical Uses (AREA)
- Polyesters Or Polycarbonates (AREA)
- Biological Depolymerization Polymers (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Dental Preparations (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Compositions Of Macromolecular Compounds (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 (de) |
| AR (1) | AR205454A1 (de) |
| AT (1) | AT339902B (de) |
| BE (1) | BE824535A (de) |
| CA (1) | CA1052046A (de) |
| CH (1) | CH616417A5 (de) |
| CS (1) | CS196258B2 (de) |
| DD (1) | DD119259A5 (de) |
| DE (1) | DE2501448A1 (de) |
| DK (1) | DK15275A (de) |
| FR (1) | FR2279745A1 (de) |
| GB (1) | GB1494781A (de) |
| HU (1) | HU173692B (de) |
| IE (1) | IE40657B1 (de) |
| IN (1) | IN141151B (de) |
| IT (1) | IT1044114B (de) |
| NL (1) | NL7500689A (de) |
| PH (1) | PH12680A (de) |
| PL (1) | PL101805B1 (de) |
| RO (1) | RO70688A (de) |
| SE (1) | SE7500594L (de) |
| ZA (1) | ZA7538B (de) |
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. |
| WO1988010260A1 (fr) * | 1987-06-16 | 1988-12-29 | Boehringer Ingelheim Kg | ''meso-lactide'' et son procede de preparation |
| EP0339882A1 (de) * | 1988-04-27 | 1989-11-02 | MITSUI TOATSU CHEMICALS, Inc. | Verfahren zur Herstellung von 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 (de) | 1996-02-08 | 2002-01-16 | Gesellschaft für ökologische Technologie und Systemanalyse e.V. | Verfahren zur Herstellung von organischen Aminiumlactaten und deren Verwendung zur Herstellung von Dilactid |
| FR2873371B1 (fr) * | 2004-07-26 | 2008-07-04 | Sod Conseils Rech Applic | Nouvelle methode de synthese de 2,5 dioxane 1,4 diones |
| CA2652078A1 (en) * | 2006-05-15 | 2007-11-22 | Tyco Healthcare Group Lp | Halogenated cyclic lactones and polymers made therefrom |
| BR112014003981A2 (pt) | 2011-08-23 | 2017-03-07 | Endo Pharmaceuticals Inc | compostos de pirimido-piridazinona e seu uso |
| HRP20181671T1 (hr) * | 2012-02-09 | 2018-12-14 | Novus International, Inc. | Heteroatom koji sadrži cikličke dimere |
-
1974
- 1974-12-24 CA CA216,765A patent/CA1052046A/en 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/ro unknown
- 1975-01-14 CS CS75253A patent/CS196258B2/cs unknown
- 1975-01-15 DE DE19752501448 patent/DE2501448A1/de not_active Withdrawn
- 1975-01-20 BE BE152494A patent/BE824535A/xx unknown
- 1975-01-20 DK DK15275*BA patent/DK15275A/da not_active Application Discontinuation
- 1975-01-20 SE SE7500594A patent/SE7500594L/xx unknown
- 1975-01-20 AT AT39075A patent/AT339902B/de not_active IP Right Cessation
- 1975-01-20 PL PL1975177442A patent/PL101805B1/pl unknown
- 1975-01-20 HU HU75AE436A patent/HU173692B/hu unknown
- 1975-01-20 CH CH61375A patent/CH616417A5/de not_active IP Right Cessation
- 1975-01-20 IT IT47760/75A patent/IT1044114B/it active
- 1975-01-20 DD DD183736A patent/DD119259A5/xx unknown
- 1975-01-21 JP JP50008413A patent/JPS50101367A/ja active Pending
- 1975-01-21 FR FR7501823A patent/FR2279745A1/fr active Granted
- 1975-01-21 NL NL7500689A patent/NL7500689A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1494781A (en) | 1977-12-14 |
| NL7500689A (nl) | 1975-07-23 |
| FR2279745A1 (fr) | 1976-02-20 |
| CH616417A5 (en) | 1980-03-31 |
| IN141151B (de) | 1977-01-22 |
| DE2501448A1 (de) | 1975-07-24 |
| SE7500594L (de) | 1975-07-22 |
| HU173692B (hu) | 1979-07-28 |
| RO70688A (ro) | 1982-05-10 |
| IE40657L (en) | 1975-07-21 |
| JPS50101367A (de) | 1975-08-11 |
| AR205454A1 (es) | 1976-05-07 |
| AT339902B (de) | 1977-11-10 |
| FR2279745B1 (de) | 1978-02-24 |
| IE40657B1 (en) | 1979-07-18 |
| IT1044114B (it) | 1980-03-20 |
| DK15275A (de) | 1975-09-15 |
| DD119259A5 (de) | 1976-04-12 |
| ATA39075A (de) | 1977-03-15 |
| BE824535A (fr) | 1975-07-22 |
| ZA7538B (en) | 1976-01-28 |
| PH12680A (en) | 1979-07-18 |
| AU7708575A (en) | 1976-07-08 |
| CA1052046A (en) | 1979-04-03 |
| PL101805B1 (pl) | 1979-02-28 |
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