WO2008092583A3 - Verfahren zum herstellen von dihaloacetessigsäurealkylestern - Google Patents

Verfahren zum herstellen von dihaloacetessigsäurealkylestern Download PDF

Info

Publication number
WO2008092583A3
WO2008092583A3 PCT/EP2008/000438 EP2008000438W WO2008092583A3 WO 2008092583 A3 WO2008092583 A3 WO 2008092583A3 EP 2008000438 W EP2008000438 W EP 2008000438W WO 2008092583 A3 WO2008092583 A3 WO 2008092583A3
Authority
WO
WIPO (PCT)
Prior art keywords
dihalo
producing
alkyl esters
acetoacetic
acetoacetic alkyl
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/EP2008/000438
Other languages
English (en)
French (fr)
Other versions
WO2008092583A8 (de
WO2008092583A2 (de
Inventor
Sergii Pazenok
Norbert Lui
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.)
Bayer CropScience AG
Original Assignee
Bayer CropScience AG
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 Bayer CropScience AG filed Critical Bayer CropScience AG
Priority to JP2009547573A priority Critical patent/JP5264780B2/ja
Priority to CN200880003534.2A priority patent/CN101595081B/zh
Priority to US12/524,923 priority patent/US8044231B2/en
Priority to DK08707171.8T priority patent/DK2114855T3/en
Priority to ES08707171.8T priority patent/ES2597853T3/es
Priority to EP08707171.8A priority patent/EP2114855B1/de
Publication of WO2008092583A2 publication Critical patent/WO2008092583A2/de
Publication of WO2008092583A3 publication Critical patent/WO2008092583A3/de
Anticipated expiration legal-status Critical
Publication of WO2008092583A8 publication Critical patent/WO2008092583A8/de
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
    • C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zum Herstellen von Dihaloacetessigsäurealkylestern der Formel (I) durch Umsetzung von α,α-Dihaloaminen der Formel (III) mit Essigsäureestern der Formel (II) in Gegenwart von Basen.
PCT/EP2008/000438 2007-02-02 2008-01-22 Verfahren zum herstellen von dihaloacetessigsäurealkylestern Ceased WO2008092583A2 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2009547573A JP5264780B2 (ja) 2007-02-02 2008-01-22 ジハロアセト酢酸アルキルエステルを調製する方法
CN200880003534.2A CN101595081B (zh) 2007-02-02 2008-01-22 制备二卤代乙酰乙酸烷基酯的方法
US12/524,923 US8044231B2 (en) 2007-02-02 2008-01-22 Method for producing dihalo acetoacetic alkyl esters
DK08707171.8T DK2114855T3 (en) 2007-02-02 2008-01-22 Method for producing dihaloaceteddikesyrealkylestere
ES08707171.8T ES2597853T3 (es) 2007-02-02 2008-01-22 Procedimiento para la preparación de ésteres alquílicos de ácido dihaloacetoacético
EP08707171.8A EP2114855B1 (de) 2007-02-02 2008-01-22 Verfahren zum herstellen von dihaloacetessigsäurealkylestern

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007005296A DE102007005296A1 (de) 2007-02-02 2007-02-02 Verfahren zum Herstellen von Dihaloacetessigsäurealkylestern
DE102007005296.2 2007-02-02

Publications (3)

Publication Number Publication Date
WO2008092583A2 WO2008092583A2 (de) 2008-08-07
WO2008092583A3 true WO2008092583A3 (de) 2008-09-18
WO2008092583A8 WO2008092583A8 (de) 2009-12-03

Family

ID=39473357

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/000438 Ceased WO2008092583A2 (de) 2007-02-02 2008-01-22 Verfahren zum herstellen von dihaloacetessigsäurealkylestern

Country Status (9)

Country Link
US (1) US8044231B2 (de)
EP (1) EP2114855B1 (de)
JP (1) JP5264780B2 (de)
CN (1) CN101595081B (de)
DE (1) DE102007005296A1 (de)
DK (1) DK2114855T3 (de)
ES (1) ES2597853T3 (de)
TW (1) TWI409252B (de)
WO (1) WO2008092583A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008049531A1 (en) * 2006-10-27 2008-05-02 Bayer Cropscience Ag Stereoselective one step fluorination process for the preparation of 2-fluoropropionate
EP2181087B1 (de) 2007-08-16 2015-10-14 Solvay Sa Verfahren zur herstellung von estern von 4-fluor-substituierten 3-oxoalkansäuren
EP2133341A1 (de) * 2008-02-25 2009-12-16 Bayer CropScience AG Verfahren zur regioselektiven Synthese von 1-Alkyl-3-haloalkyl-pyrazol-4-carbonsäure-Derivaten
CN102206155A (zh) * 2011-04-19 2011-10-05 巨化集团公司 一种4,4-二氟乙酰乙酸乙酯的合成方法
CN118063317B (zh) * 2024-04-17 2024-06-21 江西农业大学 一种4,4-二氟乙酰乙酸乙酯的制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005003077A1 (de) * 2003-07-01 2005-01-13 Bayer Cropscience Aktiengesellschaft Verfahren zum herstellen von difluoracetessigsäurealkylestern
WO2006005612A1 (en) * 2004-07-14 2006-01-19 Syngenta Participations Ag Process for the preparation of 4,4-difluoro-3-oxobutanoic acid esters

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5489624A (en) 1992-12-01 1996-02-06 Minnesota Mining And Manufacturing Company Hydrophilic pressure sensitive adhesives
US5567856A (en) * 1995-05-30 1996-10-22 Hoechst Celanese Corporation Synthesis of and hydroformylation with fluoro-substituted bidentate phosphine ligands
DE10331496A1 (de) * 2003-07-01 2005-01-27 Bayer Cropscience Ag Verfahren zum Herstellen von Difluoracetessigsäurealkylestern

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005003077A1 (de) * 2003-07-01 2005-01-13 Bayer Cropscience Aktiengesellschaft Verfahren zum herstellen von difluoracetessigsäurealkylestern
WO2006005612A1 (en) * 2004-07-14 2006-01-19 Syngenta Participations Ag Process for the preparation of 4,4-difluoro-3-oxobutanoic acid esters

Also Published As

Publication number Publication date
TW200846318A (en) 2008-12-01
US20100121095A1 (en) 2010-05-13
CN101595081B (zh) 2014-04-23
EP2114855B1 (de) 2016-07-27
WO2008092583A8 (de) 2009-12-03
ES2597853T3 (es) 2017-01-23
WO2008092583A2 (de) 2008-08-07
DK2114855T3 (en) 2016-11-07
CN101595081A (zh) 2009-12-02
JP5264780B2 (ja) 2013-08-14
DE102007005296A1 (de) 2008-08-07
JP2010517950A (ja) 2010-05-27
US8044231B2 (en) 2011-10-25
TWI409252B (zh) 2013-09-21
EP2114855A2 (de) 2009-11-11

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