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ES2091656T3 - Procedimiento para la fabricacion de acidos etercarboxilicos. - Google Patents

Procedimiento para la fabricacion de acidos etercarboxilicos.

Info

Publication number
ES2091656T3
ES2091656T3 ES94106218T ES94106218T ES2091656T3 ES 2091656 T3 ES2091656 T3 ES 2091656T3 ES 94106218 T ES94106218 T ES 94106218T ES 94106218 T ES94106218 T ES 94106218T ES 2091656 T3 ES2091656 T3 ES 2091656T3
Authority
ES
Spain
Prior art keywords
carboxylic acids
procedure
manufacture
ether carboxylic
groups
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.)
Expired - Lifetime
Application number
ES94106218T
Other languages
English (en)
Inventor
Dr Josef Sanders
Dr Klaus Konig
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 AG
Original Assignee
Bayer 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 AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2091656T3 publication Critical patent/ES2091656T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C07C67/31—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of functional groups containing oxygen only in singly bound form
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/367—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in singly bound form

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

UN PROCESO PARA LA ELABORACION DE ACIDOS CARBOXILICOS QUE MUESTRAN GRUPOS ETER A TRAVES DE ADICION DE ACELERACION CATALITICA DE GRUPOS HIDROXIL ALCOHOLICOS DE ALCOHOLES MONO O POLIVALENTES EN EL ESTER ALQUIL TERCIARIO, ALFA, BETA XILICOS NO SATURADOS Y A CONTINUACION HIDROLISIS ACIDA DEL BETA - ETER ACIDO CARBOXILICO - TERT - ESTER ALQUIL OBTENIDO.
ES94106218T 1993-05-04 1994-04-21 Procedimiento para la fabricacion de acidos etercarboxilicos. Expired - Lifetime ES2091656T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4314627A DE4314627A1 (de) 1993-05-04 1993-05-04 Verfahren zur Herstellung von Ethercarbonsäuren

Publications (1)

Publication Number Publication Date
ES2091656T3 true ES2091656T3 (es) 1996-11-01

Family

ID=6487083

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94106218T Expired - Lifetime ES2091656T3 (es) 1993-05-04 1994-04-21 Procedimiento para la fabricacion de acidos etercarboxilicos.

Country Status (5)

Country Link
US (1) US5523479A (es)
EP (1) EP0623579B1 (es)
CA (1) CA2122503A1 (es)
DE (2) DE4314627A1 (es)
ES (1) ES2091656T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19928128C1 (de) * 1999-06-19 2000-11-30 Clariant Gmbh Verfahren zur Herstellung von Ethercarbonsäuren mit niedrigem Restalkohol
MXPA05002632A (es) * 2002-09-09 2005-09-20 Nektar Therapeutics Al Corp Metodo para preparar derivados de polimeros solubles en agua que portan un acido carboxilico terminal.
KR101178744B1 (ko) * 2004-01-21 2012-09-07 넥타르 테라퓨틱스 프로피온산-말단 중합체의 제조 방법
JP6693096B2 (ja) * 2015-11-20 2020-05-13 日油株式会社 末端カルボキシ基を有するポリエチレングリコールの製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4948915A (en) * 1986-07-22 1990-08-14 Union Carbide Chemicals And Plastics Company Inc. Catalytic process for production of alkoxylated esters
DE3861820D1 (de) * 1987-05-13 1991-04-04 Sanyo Chemical Ind Ltd Carbonsaeuren und verfahren zur herstellung derselben.
DE3925255A1 (de) * 1989-07-29 1991-01-31 Basf Ag Polyethercarbonsaeureester und ihre herstellung
US5081285A (en) * 1990-04-04 1992-01-14 Hoechst Celanese Corporation Production of ethyl 3-ethoxypropanoate by acid catalyzed addition of ethanol to ethyl acrylate

Also Published As

Publication number Publication date
EP0623579A1 (de) 1994-11-09
EP0623579B1 (de) 1996-09-18
CA2122503A1 (en) 1994-11-05
DE59400665D1 (de) 1996-10-24
US5523479A (en) 1996-06-04
DE4314627A1 (de) 1994-11-10

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