WO2009136412A3 - PROCESS FOR PREPARATION OF 4-[4-(4-(HYDROXYDIPHENYLMETHYL)- 1-PIPERIDINYL]-1-OXOBUTYL]-α,α-DIMETHYLBENZENE ACETIC ACID METHYL ESTER AND USE THEREOF - Google Patents
PROCESS FOR PREPARATION OF 4-[4-(4-(HYDROXYDIPHENYLMETHYL)- 1-PIPERIDINYL]-1-OXOBUTYL]-α,α-DIMETHYLBENZENE ACETIC ACID METHYL ESTER AND USE THEREOF Download PDFInfo
- Publication number
- WO2009136412A3 WO2009136412A3 PCT/IN2009/000250 IN2009000250W WO2009136412A3 WO 2009136412 A3 WO2009136412 A3 WO 2009136412A3 IN 2009000250 W IN2009000250 W IN 2009000250W WO 2009136412 A3 WO2009136412 A3 WO 2009136412A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- oxobutyl
- hydroxydiphenylmethyl
- piperidinyl
- acetic acid
- preparation
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/08—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
- C07D211/18—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D211/20—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by singly bound oxygen or sulphur atoms
- C07D211/22—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by singly bound oxygen or sulphur atoms by oxygen atoms
Abstract
The present invention provides an improved process for preparing fexofenadine, its pharmaceutically acceptable salts and solvates thereof, the process comprising reacting methyl-4-(4-halo-1-oxobutyl]-α,α-dimethylphenyl acetate with α,α-diphenyl-4-piperidinemethanol in an alkyl nitrile solvent to prepare 4-[4-(4- (hydroxydiphenylmethyl)-1-piperidinyl]-1-oxobutyl]-α,α,-dimethylbenzene acetic acid alkyl ester, which is further converted into fexofenadine.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN1027/CHE/2008 | 2008-04-25 | ||
IN1027CH2008 | 2008-04-25 |
Publications (2)
Publication Number | Publication Date |
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WO2009136412A2 WO2009136412A2 (en) | 2009-11-12 |
WO2009136412A3 true WO2009136412A3 (en) | 2010-03-25 |
Family
ID=41265118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IN2009/000250 WO2009136412A2 (en) | 2008-04-25 | 2009-04-23 | PROCESS FOR PREPARATION OF 4-[4-(4-(HYDROXYDIPHENYLMETHYL)- 1-PIPERIDINYL]-1-OXOBUTYL]-α,α-DIMETHYLBENZENE ACETIC ACID METHYL ESTER AND USE THEREOF |
Country Status (1)
Country | Link |
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WO (1) | WO2009136412A2 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995000480A1 (en) * | 1993-06-25 | 1995-01-05 | Merrell Pharmaceuticals Inc. | Novel intermediates for the preparation of antihistaminic 4-diphenylmethyl/diphenylmethoxy piperidine derivatives |
US5750703A (en) * | 1993-06-24 | 1998-05-12 | Albany Molecular Research, Inc. | Piperidine derivatives and process for their production |
WO2002080857A2 (en) * | 2001-04-09 | 2002-10-17 | Teva Pharmaceutical Industries Ltd. | Polymorphs of fexofenadine hydrochloride |
WO2005019175A1 (en) * | 2003-08-26 | 2005-03-03 | Cipla Limited | Fexofenadine polymorphs and processes of preparing the same |
WO2007007347A1 (en) * | 2005-07-07 | 2007-01-18 | Wockhardt Limited | Industrial process of fexofenadine hydrochloride with controlled side products |
-
2009
- 2009-04-23 WO PCT/IN2009/000250 patent/WO2009136412A2/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5750703A (en) * | 1993-06-24 | 1998-05-12 | Albany Molecular Research, Inc. | Piperidine derivatives and process for their production |
WO1995000480A1 (en) * | 1993-06-25 | 1995-01-05 | Merrell Pharmaceuticals Inc. | Novel intermediates for the preparation of antihistaminic 4-diphenylmethyl/diphenylmethoxy piperidine derivatives |
WO2002080857A2 (en) * | 2001-04-09 | 2002-10-17 | Teva Pharmaceutical Industries Ltd. | Polymorphs of fexofenadine hydrochloride |
WO2005019175A1 (en) * | 2003-08-26 | 2005-03-03 | Cipla Limited | Fexofenadine polymorphs and processes of preparing the same |
WO2007007347A1 (en) * | 2005-07-07 | 2007-01-18 | Wockhardt Limited | Industrial process of fexofenadine hydrochloride with controlled side products |
Also Published As
Publication number | Publication date |
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WO2009136412A2 (en) | 2009-11-12 |
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