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WO2006006183A3 - Procede ameliore de preparation de n-[(s)-ethoxycarbonyl-l-butyl]-(s)-alanine - Google Patents

Procede ameliore de preparation de n-[(s)-ethoxycarbonyl-l-butyl]-(s)-alanine Download PDF

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Publication number
WO2006006183A3
WO2006006183A3 PCT/IN2005/000225 IN2005000225W WO2006006183A3 WO 2006006183 A3 WO2006006183 A3 WO 2006006183A3 IN 2005000225 W IN2005000225 W IN 2005000225W WO 2006006183 A3 WO2006006183 A3 WO 2006006183A3
Authority
WO
WIPO (PCT)
Prior art keywords
alanine
butyl
preparation
improved process
ethoxycarbonyl
Prior art date
Application number
PCT/IN2005/000225
Other languages
English (en)
Other versions
WO2006006183A2 (fr
Inventor
Satyanaryana Chava
Mohan Bandari
Kumar Sethi Mathuresh
Original Assignee
Matrix Lab Ltd
Satyanaryana Chava
Mohan Bandari
Kumar Sethi Mathuresh
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 Matrix Lab Ltd, Satyanaryana Chava, Mohan Bandari, Kumar Sethi Mathuresh filed Critical Matrix Lab Ltd
Publication of WO2006006183A2 publication Critical patent/WO2006006183A2/fr
Publication of WO2006006183A3 publication Critical patent/WO2006006183A3/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/30—Preparation of optical isomers
    • C07C227/32—Preparation of optical isomers by stereospecific synthesis
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/38—Separation; Purification; Stabilisation; Use of additives
    • C07C227/40—Separation; Purification
    • C07C227/42—Crystallisation
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

L'invention concerne un procédé amélioré de préparation de N-[(S)-éthoxycarbonyl-1-butyl]-(S)-alanine par simple barbotage d'hydrogène dans le mélange de réaction à la pression atmosphérique ou à une pression légèrement négative en présence de palladium-carbone à basse température.
PCT/IN2005/000225 2004-07-12 2005-07-04 Procede ameliore de preparation de n-[(s)-ethoxycarbonyl-l-butyl]-(s)-alanine WO2006006183A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN669/CHE/2004 2004-07-12
IN669CH2004 2004-07-12

Publications (2)

Publication Number Publication Date
WO2006006183A2 WO2006006183A2 (fr) 2006-01-19
WO2006006183A3 true WO2006006183A3 (fr) 2007-05-31

Family

ID=35784266

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2005/000225 WO2006006183A2 (fr) 2004-07-12 2005-07-04 Procede ameliore de preparation de n-[(s)-ethoxycarbonyl-l-butyl]-(s)-alanine

Country Status (1)

Country Link
WO (1) WO2006006183A2 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308340A1 (fr) * 1987-09-17 1989-03-22 Adir Et Compagnie Procédé de synthèse d'alpha amino acides N alkyles et de leurs esters. Application à la synthèse de carboxyalkyl dipeptides
US20030045744A1 (en) * 2000-03-31 2003-03-06 Jean-Claude Souvie Novel method for synthesis of n-[(s)-1-carboxybutyl]-(s)-alanine esters and use in synthesis of perindopril

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308340A1 (fr) * 1987-09-17 1989-03-22 Adir Et Compagnie Procédé de synthèse d'alpha amino acides N alkyles et de leurs esters. Application à la synthèse de carboxyalkyl dipeptides
US20030045744A1 (en) * 2000-03-31 2003-03-06 Jean-Claude Souvie Novel method for synthesis of n-[(s)-1-carboxybutyl]-(s)-alanine esters and use in synthesis of perindopril

Also Published As

Publication number Publication date
WO2006006183A2 (fr) 2006-01-19

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