[go: up one dir, main page]

WO2007026373A3 - Process for preparing rivastigmine - Google Patents

Process for preparing rivastigmine Download PDF

Info

Publication number
WO2007026373A3
WO2007026373A3 PCT/IN2005/000293 IN2005000293W WO2007026373A3 WO 2007026373 A3 WO2007026373 A3 WO 2007026373A3 IN 2005000293 W IN2005000293 W IN 2005000293W WO 2007026373 A3 WO2007026373 A3 WO 2007026373A3
Authority
WO
WIPO (PCT)
Prior art keywords
rivastigmine
preparing
preparing rivastigmine
preparation
disclosed
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
Application number
PCT/IN2005/000293
Other languages
French (fr)
Other versions
WO2007026373A2 (en
Inventor
Mukarram Siddiqui Moham Jaweed
Bhargav Krishnaji Upadhye
Vikas Chandra Rai
Hanfi Zia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wockhardt Ltd
Original Assignee
Wockhardt Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wockhardt Ltd filed Critical Wockhardt Ltd
Priority to PCT/IN2005/000293 priority Critical patent/WO2007026373A2/en
Publication of WO2007026373A2 publication Critical patent/WO2007026373A2/en
Publication of WO2007026373A3 publication Critical patent/WO2007026373A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C269/08—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00—Indexing scheme relating to specific properties of organic compounds
    • C07B2200/07—Optical isomers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

An improved process for the preparation of Rivastigmine is disclosed.
PCT/IN2005/000293 2005-09-01 2005-09-01 Process for preparing rivastigmine Ceased WO2007026373A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IN2005/000293 WO2007026373A2 (en) 2005-09-01 2005-09-01 Process for preparing rivastigmine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IN2005/000293 WO2007026373A2 (en) 2005-09-01 2005-09-01 Process for preparing rivastigmine

Publications (2)

Publication Number Publication Date
WO2007026373A2 WO2007026373A2 (en) 2007-03-08
WO2007026373A3 true WO2007026373A3 (en) 2007-07-12

Family

ID=37809292

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2005/000293 Ceased WO2007026373A2 (en) 2005-09-01 2005-09-01 Process for preparing rivastigmine

Country Status (1)

Country Link
WO (1) WO2007026373A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7884121B2 (en) 2007-06-11 2011-02-08 Apotex Pharmachem Inc. Process for the preparation of phenylcarbamates

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008110339A2 (en) * 2007-03-09 2008-09-18 Synthon B.V. Polymorphs of rivastigmine hydrogentartrate
WO2009147687A2 (en) * 2008-06-03 2009-12-10 Shodhana Laboratories Limited An improved process for the separation of enantiomerically pure compounds
CN103664702A (en) * 2013-12-18 2014-03-26 成都医路康医学技术服务有限公司 Production process of rivastigmine
CN103664703A (en) * 2013-12-18 2014-03-26 成都医路康医学技术服务有限公司 Synthesis process of rivastigmine tartrate
CN119390591A (en) * 2020-03-30 2025-02-07 北京泰德制药股份有限公司 A method for purifying rivastigmine intermediate

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1486973A (en) * 2003-07-31 2004-04-07 上海三维制药有限公司 Ethyl methyl 3-[(1s)-1-(dimethylamino) ethyl] phenyl carbamate and its prepn and medicine use
GB2409453A (en) * 2003-12-24 2005-06-29 Generics Process for the preparation of aminoalkyl phenylcarbamates

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1486973A (en) * 2003-07-31 2004-04-07 上海三维制药有限公司 Ethyl methyl 3-[(1s)-1-(dimethylamino) ethyl] phenyl carbamate and its prepn and medicine use
GB2409453A (en) * 2003-12-24 2005-06-29 Generics Process for the preparation of aminoalkyl phenylcarbamates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7884121B2 (en) 2007-06-11 2011-02-08 Apotex Pharmachem Inc. Process for the preparation of phenylcarbamates

Also Published As

Publication number Publication date
WO2007026373A2 (en) 2007-03-08

Similar Documents

Publication Publication Date Title
WO2008131062A3 (en) Process for preparing capecitabine
WO2008035066A3 (en) Processes for the preparation of ciclesonide and its crystal form
ZA200402695B (en) Process for the preparation of methanol.
WO2007044829A3 (en) Preparation of aprepitant
WO2007132354A3 (en) Process for preparing voriconazole, new polymorphic form of intermediate thereof, and uses thereof
WO2008075205A3 (en) Improved process for the preparation of voriconazole
WO2007098273A3 (en) Novel crystalline forms of armodafinil and preparation thereof
WO2007141593A3 (en) Process for the preparation of metoprolol and its salts
WO2007076158A3 (en) Processes for preparing darifenacin hydrobromide
WO2008015584A3 (en) Improved process for synthesizing desvenlafaxine free base and salts or solvates thereof
IL191568A0 (en) Novel process for the preparation of 5-amino-3h-thiazolo[4,5-d]pyrimidin-2-one
PT1968996E (en) Process for the preparation of ferri-succinylcasein
WO2007026373A3 (en) Process for preparing rivastigmine
WO2006127368A3 (en) Methods for synthesizing imidazotriazinones
WO2008030840A3 (en) Synthesis of sphingosines and their derivatives
WO2006076350A3 (en) Processes for the preparation of aminoethoxybenzyl alcohols
WO2007029082A3 (en) An improved fermentation process for preparing ascomycin
WO2009027766A3 (en) New crystalline solid forms of o-desvenlafaxine base
PL378094A1 (en) Process for the preparation of aldehydes
HUP0401379A3 (en) Process for the preparation of risperidon
AU2003294161A1 (en) An improved process for the preparation of cefoxitin
AU2003272080A1 (en) Novel process for the preparation of tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate
AU2003214582A1 (en) Process for the preparation of 5-bromophthalide
WO2008013993A3 (en) Processes for the synthesis of o-desmethylvenlafaxine
EP1915380A4 (en) Process for the preparation of n,n´- disubstituted oxabispidines

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 05823608

Country of ref document: EP

Kind code of ref document: A2