WO2011024056A3 - An improved process for the preparation of bosentan - Google Patents
An improved process for the preparation of bosentan Download PDFInfo
- Publication number
- WO2011024056A3 WO2011024056A3 PCT/IB2010/002090 IB2010002090W WO2011024056A3 WO 2011024056 A3 WO2011024056 A3 WO 2011024056A3 IB 2010002090 W IB2010002090 W IB 2010002090W WO 2011024056 A3 WO2011024056 A3 WO 2011024056A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bosentan
- preparation
- improved process
- deshydroxyethyl
- sulfonamide
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/52—Two oxygen atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pulmonology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The present application provides purification of Bosentan crude by making its crystalline potassium salt, which is further converted to Bosentan (I) with bis-sulfonamide (VIII) and deshydroxyethyl (IX) impurities to less than 0.2% by HPLC analysis.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN2065CH2009 | 2009-08-27 | ||
IN2065/CHE/2009 | 2009-08-27 | ||
IN2132/CHE/2010 | 2010-07-28 | ||
IN2132CH2010 | 2010-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011024056A2 WO2011024056A2 (en) | 2011-03-03 |
WO2011024056A3 true WO2011024056A3 (en) | 2011-05-19 |
Family
ID=43033160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2010/002090 WO2011024056A2 (en) | 2009-08-27 | 2010-08-27 | An improved process for the preparation of bosentan |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2011024056A2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130245259A1 (en) * | 2012-03-16 | 2013-09-19 | Natco Pharma Limited | Process for the preparation of bosentan monohydrate |
JP2015521594A (en) * | 2012-06-12 | 2015-07-30 | カディラ ファーマシューティカルズ リミテッド | Method for producing bosentan |
CN104193687B (en) * | 2014-07-01 | 2017-09-26 | 上海天慈国际药业有限公司 | A kind of preparation method for treating pulmonary hypertension medicine |
BR112021005362A8 (en) | 2018-10-03 | 2023-05-09 | Huntsman Adv Mat Switzerland | TRIAZINE UV ABSORBERS REPLACED WITH PYRIDINE AND PYRIMIDINE |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5292740A (en) * | 1991-06-13 | 1994-03-08 | Hoffmann-La Roche Inc. | Sulfonamides |
EP2072503A2 (en) * | 2007-12-18 | 2009-06-24 | Dipharma Francis S.r.l. | Process for the preparation of bosentan |
WO2009093127A2 (en) * | 2008-01-24 | 2009-07-30 | Actavis Group Ptc Ehf | Substantially pure and a stable crystalline form of bosentan |
WO2009095933A2 (en) * | 2008-01-10 | 2009-08-06 | Msn Laboratories Limited | Improved and novel process for the preparation of bosentan |
WO2010032261A1 (en) * | 2008-08-12 | 2010-03-25 | Cadila Healthcare Limited | Process for preparation of bosentan |
WO2010103362A2 (en) * | 2009-03-11 | 2010-09-16 | Sifavitor S.R.L. | Process for the preparation of bosentan |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6136971A (en) | 1998-07-17 | 2000-10-24 | Roche Colorado Corporation | Preparation of sulfonamides |
EP2170841A1 (en) | 2007-06-29 | 2010-04-07 | Merck Generics (UK) Limited | Process for introduction of hydroxyethoxy side chain in bosentan |
-
2010
- 2010-08-27 WO PCT/IB2010/002090 patent/WO2011024056A2/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5292740A (en) * | 1991-06-13 | 1994-03-08 | Hoffmann-La Roche Inc. | Sulfonamides |
EP2072503A2 (en) * | 2007-12-18 | 2009-06-24 | Dipharma Francis S.r.l. | Process for the preparation of bosentan |
WO2009095933A2 (en) * | 2008-01-10 | 2009-08-06 | Msn Laboratories Limited | Improved and novel process for the preparation of bosentan |
WO2009093127A2 (en) * | 2008-01-24 | 2009-07-30 | Actavis Group Ptc Ehf | Substantially pure and a stable crystalline form of bosentan |
WO2010032261A1 (en) * | 2008-08-12 | 2010-03-25 | Cadila Healthcare Limited | Process for preparation of bosentan |
WO2010103362A2 (en) * | 2009-03-11 | 2010-09-16 | Sifavitor S.R.L. | Process for the preparation of bosentan |
Also Published As
Publication number | Publication date |
---|---|
WO2011024056A2 (en) | 2011-03-03 |
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