ATE391115T1 - Verfahren zur herstellung von diketenacetalen - Google Patents
Verfahren zur herstellung von diketenacetalenInfo
- Publication number
- ATE391115T1 ATE391115T1 AT03786754T AT03786754T ATE391115T1 AT E391115 T1 ATE391115 T1 AT E391115T1 AT 03786754 T AT03786754 T AT 03786754T AT 03786754 T AT03786754 T AT 03786754T AT E391115 T1 ATE391115 T1 AT E391115T1
- Authority
- AT
- Austria
- Prior art keywords
- diketenacetals
- producing
- acetals
- photoisomerizing
- prepared
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 150000002560 ketene acetals Chemical class 0.000 abstract 1
- 230000002341 photoisomerizing effect Effects 0.000 abstract 1
- -1 vinyl acetals Chemical class 0.000 abstract 1
- 229920002554 vinyl polymer Polymers 0.000 abstract 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
- C07D319/04—1,3-Dioxanes; Hydrogenated 1,3-dioxanes
-
- 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
- C07D319/04—1,3-Dioxanes; Hydrogenated 1,3-dioxanes
- C07D319/06—1,3-Dioxanes; Hydrogenated 1,3-dioxanes not condensed with other rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/298,188 US6863782B2 (en) | 2002-11-15 | 2002-11-15 | Method of preparing di(ketene acetals) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE391115T1 true ATE391115T1 (de) | 2008-04-15 |
Family
ID=32297385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT03786754T ATE391115T1 (de) | 2002-11-15 | 2003-11-13 | Verfahren zur herstellung von diketenacetalen |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6863782B2 (de) |
| EP (1) | EP1565419B1 (de) |
| JP (1) | JP2006506437A (de) |
| KR (1) | KR20050074613A (de) |
| CN (1) | CN100354246C (de) |
| AT (1) | ATE391115T1 (de) |
| AU (1) | AU2003295558A1 (de) |
| CA (1) | CA2506041A1 (de) |
| DE (1) | DE60320132T2 (de) |
| ES (1) | ES2302970T3 (de) |
| WO (1) | WO2004046074A1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040001889A1 (en) | 2002-06-25 | 2004-01-01 | Guohua Chen | Short duration depot formulations |
| US6863782B2 (en) * | 2002-11-15 | 2005-03-08 | A.P. Pharma, Inc. | Method of preparing di(ketene acetals) |
| US20070264339A1 (en) * | 2006-05-12 | 2007-11-15 | Ap Pharma, Inc. | Base-stabilized polyorthoester formulations |
| US20070264338A1 (en) * | 2006-05-12 | 2007-11-15 | Shah Devang T | Base-stabilized polyorthoester formulations |
| EP2044142A2 (de) * | 2006-06-29 | 2009-04-08 | Medtronic, Inc. | Poly(orthoester)polymere sowie herstellungs- und verwendungsverfahren dafür |
| US8956642B2 (en) * | 2008-04-18 | 2015-02-17 | Medtronic, Inc. | Bupivacaine formulation in a polyorthoester carrier |
| US8475823B2 (en) * | 2008-04-18 | 2013-07-02 | Medtronic, Inc. | Baclofen formulation in a polyorthoester carrier |
| CN102143736A (zh) | 2008-07-17 | 2011-08-03 | 梅里亚有限公司 | 增强聚原酸酯和它们的制剂的稳定性的方法 |
| MY159745A (en) | 2008-11-17 | 2017-01-31 | Anadys Pharmaceuticals Inc | Method of preparing deoxyribofuranose compounds |
| CA3167217A1 (en) | 2020-01-13 | 2021-07-22 | Durect Corporation | Sustained release drug delivery systems with reduced impurities and related methods |
| CN116940358A (zh) | 2021-01-12 | 2023-10-24 | 度勒科特公司 | 持续释放药物递送系统和有关的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2331675C2 (de) * | 1973-06-22 | 1974-12-05 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von aliphatischen Ketenacetalen |
| US4304767A (en) | 1980-05-15 | 1981-12-08 | Sri International | Polymers of di- (and higher functionality) ketene acetals and polyols |
| US4513143A (en) | 1982-12-01 | 1985-04-23 | Sri International | Preparation of ketene acetals |
| US4532335A (en) | 1983-03-07 | 1985-07-30 | Sri International | Preparation of ketene acetals by rearrangement of allyl and substituted allyl acetals |
| US6863782B2 (en) * | 2002-11-15 | 2005-03-08 | A.P. Pharma, Inc. | Method of preparing di(ketene acetals) |
-
2002
- 2002-11-15 US US10/298,188 patent/US6863782B2/en not_active Expired - Lifetime
-
2003
- 2003-11-13 DE DE60320132T patent/DE60320132T2/de not_active Expired - Fee Related
- 2003-11-13 CA CA002506041A patent/CA2506041A1/en not_active Abandoned
- 2003-11-13 ES ES03786754T patent/ES2302970T3/es not_active Expired - Lifetime
- 2003-11-13 CN CNB2003801058211A patent/CN100354246C/zh not_active Expired - Fee Related
- 2003-11-13 AT AT03786754T patent/ATE391115T1/de not_active IP Right Cessation
- 2003-11-13 EP EP03786754A patent/EP1565419B1/de not_active Expired - Lifetime
- 2003-11-13 JP JP2004553779A patent/JP2006506437A/ja active Pending
- 2003-11-13 KR KR1020057008571A patent/KR20050074613A/ko not_active Ceased
- 2003-11-13 AU AU2003295558A patent/AU2003295558A1/en not_active Abandoned
- 2003-11-13 WO PCT/US2003/036610 patent/WO2004046074A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE60320132T2 (de) | 2009-05-20 |
| JP2006506437A (ja) | 2006-02-23 |
| CN1726177A (zh) | 2006-01-25 |
| AU2003295558A1 (en) | 2004-06-15 |
| US6863782B2 (en) | 2005-03-08 |
| EP1565419B1 (de) | 2008-04-02 |
| US20040097742A1 (en) | 2004-05-20 |
| ES2302970T3 (es) | 2008-08-01 |
| EP1565419A1 (de) | 2005-08-24 |
| CN100354246C (zh) | 2007-12-12 |
| CA2506041A1 (en) | 2004-06-03 |
| WO2004046074A1 (en) | 2004-06-03 |
| KR20050074613A (ko) | 2005-07-18 |
| DE60320132D1 (de) | 2008-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |