WO2009057137A3 - A process for the purification of levetiracetam - Google Patents
A process for the purification of levetiracetam Download PDFInfo
- Publication number
- WO2009057137A3 WO2009057137A3 PCT/IN2008/000523 IN2008000523W WO2009057137A3 WO 2009057137 A3 WO2009057137 A3 WO 2009057137A3 IN 2008000523 W IN2008000523 W IN 2008000523W WO 2009057137 A3 WO2009057137 A3 WO 2009057137A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- levetiracetam
- purification
- formula
- relates
- present
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
- C07D207/27—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with substituted hydrocarbon radicals directly attached to the ring nitrogen atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Cephalosporin Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Present invention relates to an improved process for the purification of Levetiracetam of formula (I).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN1610MU2007 | 2007-08-22 | ||
| IN1610/MUM/2007 | 2007-08-22 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO2009057137A2 WO2009057137A2 (en) | 2009-05-07 |
| WO2009057137A3 true WO2009057137A3 (en) | 2009-08-06 |
| WO2009057137A4 WO2009057137A4 (en) | 2009-10-22 |
Family
ID=40591605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IN2008/000523 Ceased WO2009057137A2 (en) | 2007-08-22 | 2008-08-21 | A process for the purification of levetiracetam |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2009057137A2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885696A (en) * | 2009-05-14 | 2010-11-17 | 上海华理生物医药有限公司 | Method for synthesizing high-purity levetiracetam |
| CN103922988A (en) * | 2014-04-29 | 2014-07-16 | 苏州天马精细化学品股份有限公司 | Method for purifying levetiracetam crude product |
| CN114560800A (en) * | 2022-03-03 | 2022-05-31 | 吉林省博大制药股份有限公司 | Production method of levetiracetam bulk drug |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004069796A2 (en) * | 2003-02-03 | 2004-08-19 | Teva Pharmaceutical Industries Ltd. | Process for producing levetiracetam |
| WO2005023763A1 (en) * | 2003-09-05 | 2005-03-17 | Ranbaxy Laboratories Limited | Process for the preparation of pure levetiracetam |
| WO2007080470A2 (en) * | 2006-01-16 | 2007-07-19 | Orchid Chemicals & Pharmaceuticals Limited | A method for the purification of levetiracetam |
-
2008
- 2008-08-21 WO PCT/IN2008/000523 patent/WO2009057137A2/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004069796A2 (en) * | 2003-02-03 | 2004-08-19 | Teva Pharmaceutical Industries Ltd. | Process for producing levetiracetam |
| WO2005023763A1 (en) * | 2003-09-05 | 2005-03-17 | Ranbaxy Laboratories Limited | Process for the preparation of pure levetiracetam |
| WO2007080470A2 (en) * | 2006-01-16 | 2007-07-19 | Orchid Chemicals & Pharmaceuticals Limited | A method for the purification of levetiracetam |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009057137A2 (en) | 2009-05-07 |
| WO2009057137A4 (en) | 2009-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2009313134A8 (en) | Novel halogen-substituted compounds | |
| AU2008303600A8 (en) | 1,1,1-trifluoro-2-hydroxy-3-phenylpropane derivatives | |
| MX2007007682A (en) | Process for stripping polymer polyols. | |
| MY147732A (en) | Process for the preparation of 2-substituted-5- (1-alkylthio) alkylpyridines | |
| WO2010028122A8 (en) | Process for making bivalirudin | |
| WO2010015657A3 (en) | Alkoxypyrazoles and the process for their preparation | |
| UA102817C2 (en) | Normal;heading 1;heading 2;heading 3;PROCESS FOR AGOMELATINE SYNTHESIS | |
| MX2009008660A (en) | Method for the preparation of therapeutically valuable triphenylbutene derivatives. | |
| WO2008053334A3 (en) | An improved process for preparing rosuvastatin calcium | |
| WO2006099468A3 (en) | Process for the purification of duloxetine hydrochloride | |
| UA102220C2 (en) | Normal;heading 1;heading 2;heading 3;PROCESS FOR THE SYNTHESIS OF AGOMELATINE | |
| WO2006122216A3 (en) | Processes for production of phenolic 4-biphenylylazetidin-2-ones | |
| WO2009053545A3 (en) | Novel method for the synthesis of (7-methoxy-l-naphthyl)acetonitrile and application in the synthesis of agomelatine | |
| MX2009000480A (en) | Benzyl amines, a process for their production and their use as anti-inflammatory agents. | |
| WO2008075205A3 (en) | Improved process for the preparation of voriconazole | |
| WO2008021346A3 (en) | Pure paliperidone and processes for preparing thereof | |
| WO2010004578A3 (en) | Novel and improved processes for the preparation of paliperidone | |
| WO2008033757A3 (en) | 2-(1-oxo-1h-isoquinolin-2-yl) acetamide derivatives | |
| WO2010015656A3 (en) | Alkoxypyrazoles and the process for their preparation | |
| UA106988C2 (en) | A method of obtaining of 1-benzyl-3-hydroxymethyl-1h-indazole and its derivatives and required intermediate magnesium compounds | |
| UA106195C2 (en) | Process for the synthesis of agomelatine | |
| TW200738622A (en) | Process for purifying (meth)acrylates | |
| TW200728310A (en) | Process for the preparation of ferri-succinylcasein | |
| WO2009024478A3 (en) | Process for purifying polycrystalline silicon | |
| WO2009057137A3 (en) | A process for the purification of levetiracetam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 08843339 Country of ref document: EP Kind code of ref document: A2 |