WO2008032338A3 - Improved process for the preparation of ezetimibe and its intermediates - Google Patents
Improved process for the preparation of ezetimibe and its intermediates Download PDFInfo
- Publication number
- WO2008032338A3 WO2008032338A3 PCT/IN2007/000400 IN2007000400W WO2008032338A3 WO 2008032338 A3 WO2008032338 A3 WO 2008032338A3 IN 2007000400 W IN2007000400 W IN 2007000400W WO 2008032338 A3 WO2008032338 A3 WO 2008032338A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ezetimibe
- preparation
- improved process
- intermediates
- present
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
- C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
The present invention provides an improved process for the preparation of ezetimibe through novel organic amine salt compounds of general formula (1). The present invention also relates to a highly pure ezetimibe and 3-((3R,4S)-1-(4-fluorophenyl)-2-oxo-4-(4-(benzyloxy)phenyl) azetidin-3-yl)propionic acid compound.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN1648/CHE/2006 | 2006-09-11 | ||
IN1648CH2006 | 2006-09-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008032338A2 WO2008032338A2 (en) | 2008-03-20 |
WO2008032338A3 true WO2008032338A3 (en) | 2009-10-15 |
Family
ID=39184216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IN2007/000400 WO2008032338A2 (en) | 2006-09-11 | 2007-09-10 | Improved process for the preparation of ezetimibe and its intermediates |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2008032338A2 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1893570A4 (en) * | 2005-06-22 | 2009-12-23 | Reddy Manne Satynarayana | Improved process for the preparation of ezetimibe |
EP2965752A1 (en) * | 2007-12-10 | 2016-01-13 | ratiopharm GmbH | Pharmaceutical formulation comprising ezetimibe |
EP2128133A1 (en) * | 2008-05-26 | 2009-12-02 | Lek Pharmaceuticals D.D. | Ezetimibe process and composition |
EP2149547A1 (en) * | 2008-07-30 | 2010-02-03 | LEK Pharmaceuticals D.D. | Process for the synthesis of ezetimibe and intermediates useful therefor |
US9388440B2 (en) | 2009-04-01 | 2016-07-12 | Mylan Laboratories Limited | Enzymatic process for the preparation of (S)-5-(4-fluoro-phenyl)-5-hydroxy-1morpholin-4-yl-pentan-1-one, an intermediate of Ezetimibe and further conversion to Ezetimibe |
CN102675177A (en) * | 2011-06-28 | 2012-09-19 | 常州制药厂有限公司 | Preparation methods of blood fat lowering medicament and key intermediates of blood fat lowering medicament |
CN103755616A (en) * | 2013-12-31 | 2014-04-30 | 北京万全德众医药生物技术有限公司 | Method for preparing ezetimibe isomer |
CN104387308A (en) * | 2014-11-18 | 2015-03-04 | 武汉福星生物药业有限公司 | Method for preparing high-purity ezetimibe by controlling generation of EZ-zanOH impurity |
CN105566243B (en) * | 2016-01-15 | 2017-10-31 | 齐鲁天和惠世制药有限公司 | The method that the oxazolidone of (s) (+) 4 phenyl 2 is reclaimed from Ezetimibe production waste liquid |
CN107129452A (en) * | 2016-02-26 | 2017-09-05 | 常州制药厂有限公司 | A kind of preparation method of blood lipid-lowering medicine ezetimibe and its key intermediate |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995001961A1 (en) * | 1993-07-09 | 1995-01-19 | Schering Corporation | Process for the synthesis of azetidinones |
US5561227A (en) * | 1991-07-23 | 1996-10-01 | Schering Corporation | Process for the stereospecific synthesis of azetidinones |
WO1997045406A1 (en) * | 1996-05-31 | 1997-12-04 | Schering Corporation | 3-hydroxy gamma-lactone based enantioselective synthesis of azetidinones |
WO2005009955A1 (en) * | 2003-07-31 | 2005-02-03 | Hetero Drugs Limited | Ezetimibe polymorphs |
WO2006137080A1 (en) * | 2005-06-22 | 2006-12-28 | Manne Satyanarayana Reddy | Improved process for the preparation of ezetimibe |
WO2007030721A2 (en) * | 2005-09-08 | 2007-03-15 | Teva Pharmaceutical Industries Ltd. | Processes for the preparation of (3r,4s)-4-((4-benzyloxy)phenyl)-1-(4-fluorophenyl)-3-((s)-3-(4-fluorophenyl)-3-hydroxypropyl)-2-azetidinone, an intermediate for the synthesis of ezetimibe |
-
2007
- 2007-09-10 WO PCT/IN2007/000400 patent/WO2008032338A2/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5561227A (en) * | 1991-07-23 | 1996-10-01 | Schering Corporation | Process for the stereospecific synthesis of azetidinones |
WO1995001961A1 (en) * | 1993-07-09 | 1995-01-19 | Schering Corporation | Process for the synthesis of azetidinones |
WO1997045406A1 (en) * | 1996-05-31 | 1997-12-04 | Schering Corporation | 3-hydroxy gamma-lactone based enantioselective synthesis of azetidinones |
WO2005009955A1 (en) * | 2003-07-31 | 2005-02-03 | Hetero Drugs Limited | Ezetimibe polymorphs |
WO2006137080A1 (en) * | 2005-06-22 | 2006-12-28 | Manne Satyanarayana Reddy | Improved process for the preparation of ezetimibe |
WO2007030721A2 (en) * | 2005-09-08 | 2007-03-15 | Teva Pharmaceutical Industries Ltd. | Processes for the preparation of (3r,4s)-4-((4-benzyloxy)phenyl)-1-(4-fluorophenyl)-3-((s)-3-(4-fluorophenyl)-3-hydroxypropyl)-2-azetidinone, an intermediate for the synthesis of ezetimibe |
Non-Patent Citations (1)
Title |
---|
PROCESS CHEMISTRY IN THE PHARMACEUTICAL INDUSTRY, vol. 1, 1999, DEKKER, NEW YORK, pages 221 - 242 * |
Also Published As
Publication number | Publication date |
---|---|
WO2008032338A2 (en) | 2008-03-20 |
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