CA2573129C - Procede pour la preparation de levofloxacine ou de son hydrate - Google Patents
Procede pour la preparation de levofloxacine ou de son hydrate Download PDFInfo
- Publication number
- CA2573129C CA2573129C CA2573129A CA2573129A CA2573129C CA 2573129 C CA2573129 C CA 2573129C CA 2573129 A CA2573129 A CA 2573129A CA 2573129 A CA2573129 A CA 2573129A CA 2573129 C CA2573129 C CA 2573129C
- Authority
- CA
- Canada
- Prior art keywords
- levofloxacin
- water
- mixed solvent
- ethyl acetate
- butanol
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D498/06—Peri-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- A61K31/5375—1,4-Oxazines, e.g. morpholine
- A61K31/5383—1,4-Oxazines, e.g. morpholine ortho- or peri-condensed with heterocyclic ring systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Oncology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Communicable Diseases (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Saccharide Compounds (AREA)
Abstract
La présente invention a trait à un procédé de préparation de semi-hydrate ou de monohydrate de lévofloxacine sans impuretés, c'est à dire les impuretés B, C, D, E, et F. Le procédé comprend: (a) l'ajout de lévofloxacine à un nouveau mélange de solvant; (b) l'ébullition au reflux du mélange obtenu en (a) pour former une solution; et (c) la récupération de semi-hydrate ou monohydrate de lévofloxacine à partir de la solution obtenue en (b).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2004-0056637 | 2004-07-21 | ||
| KR1020040056637A KR100704641B1 (ko) | 2004-07-21 | 2004-07-21 | 고순도의 레보플록사신 제조방법 |
| PCT/KR2005/002294 WO2006009374A1 (fr) | 2004-07-21 | 2005-07-18 | Procede pour la preparation de levofloxacine ou de son hydrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2573129A1 CA2573129A1 (fr) | 2006-01-26 |
| CA2573129C true CA2573129C (fr) | 2012-10-16 |
Family
ID=35785447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2573129A Expired - Fee Related CA2573129C (fr) | 2004-07-21 | 2005-07-18 | Procede pour la preparation de levofloxacine ou de son hydrate |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5065020B2 (fr) |
| KR (1) | KR100704641B1 (fr) |
| CA (1) | CA2573129C (fr) |
| WO (1) | WO2006009374A1 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7629458B2 (en) | 2001-10-03 | 2009-12-08 | Teva Pharmaceutical Industries Ltd. | Preparation of levofloxacin and hemihydrate thereof |
| US7964723B2 (en) | 2008-08-02 | 2011-06-21 | Apeloa-Kangyu | And practical process for exclusively producing (S)-9-fluoro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-2,3-dihydro-7H-pyrido-[1,2,3,de][1,4]benzoxazine-6-carboxylic acid hemihydrate |
| CN110770353B (zh) | 2017-04-23 | 2024-11-26 | 伊鲁米那股份有限公司 | 用于改进编索引的核酸文库中的样品鉴定的组合物和方法 |
| CN111855840A (zh) * | 2020-06-30 | 2020-10-30 | 辰欣药业股份有限公司 | 一种盐酸左氧氟沙星注射液中有关物质的检测方法 |
| CN112174981A (zh) * | 2020-11-03 | 2021-01-05 | 深圳市祥根生物科技有限公司 | 一种左氧氟沙星脱氟杂质的制备方法 |
| CN116953096A (zh) * | 2022-12-24 | 2023-10-27 | 华夏生生药业(北京)有限公司 | 一种左氧氟沙星注射液杂质检测方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4777253A (en) * | 1986-04-25 | 1988-10-11 | Abbott Laboratories | Process for preparation of racemate and optically active ofloxacin and related derivatives |
| JP3105572B2 (ja) * | 1990-03-01 | 2000-11-06 | 第一製薬株式会社 | 水和物の選択的製法 |
| TW208013B (fr) * | 1990-03-01 | 1993-06-21 | Daiichi Co Ltd | |
| KR100309871B1 (ko) * | 1999-02-24 | 2001-10-29 | 윤종용 | (-)피리도벤즈옥사진 카르복실산 유도체의 제조방법 |
| AU2002365416A1 (en) * | 2001-11-29 | 2003-06-10 | Teva Pharmaceutical Industries Ltd. | Methods for the purification of levofloxacin |
| JP2004099494A (ja) * | 2002-09-09 | 2004-04-02 | Shiono Chemical Co Ltd | 光学活性三環式化合物の製造方法 |
| AU2003285625A1 (en) * | 2002-12-16 | 2004-07-09 | Ranbaxy Laboratories Limited | Pure levofloxacin hemihydrate and processes for preparation thereof |
-
2004
- 2004-07-21 KR KR1020040056637A patent/KR100704641B1/ko not_active Expired - Fee Related
-
2005
- 2005-07-18 JP JP2007522417A patent/JP5065020B2/ja not_active Expired - Fee Related
- 2005-07-18 CA CA2573129A patent/CA2573129C/fr not_active Expired - Fee Related
- 2005-07-18 WO PCT/KR2005/002294 patent/WO2006009374A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006009374A1 (fr) | 2006-01-26 |
| CA2573129A1 (fr) | 2006-01-26 |
| JP5065020B2 (ja) | 2012-10-31 |
| JP2008507507A (ja) | 2008-03-13 |
| KR100704641B1 (ko) | 2007-04-06 |
| KR20060009155A (ko) | 2006-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20220718 |