ES2167646T3 - Procedimiento para la descarboxilacion de acidos carboxilicos aromaticos halogenados. - Google Patents

Procedimiento para la descarboxilacion de acidos carboxilicos aromaticos halogenados.

Info

Publication number
ES2167646T3
ES2167646T3 ES97110471T ES97110471T ES2167646T3 ES 2167646 T3 ES2167646 T3 ES 2167646T3 ES 97110471 T ES97110471 T ES 97110471T ES 97110471 T ES97110471 T ES 97110471T ES 2167646 T3 ES2167646 T3 ES 2167646T3
Authority
ES
Spain
Prior art keywords
carboxylic acids
aromatic carboxylic
decarboxilation
procedure
halogenated aromatic
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
ES97110471T
Other languages
English (en)
Inventor
Stefan Dr Antons
Guido Dr Steffan
Helmut Dr Fiege
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 ES2167646T3 publication Critical patent/ES2167646T3/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
    • 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
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • C07C51/38—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups by decarboxylation

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Furan Compounds (AREA)

Abstract

LOS ACIDOS CARBOXILICOS AROMATICOS HALOGENADOS SE DESCARBOXILAN CALENTANDOLOS EN PRESENCIA DE AGUA A TEMPERATURAS ENTRE 80 Y 180 (GRADOS) C Y EN PRESENCIA DE AGUA Y OTROS ACIDOS A TEMPERATURAS SUPERIORES A LOS 80 (GRADOS) C.
ES97110471T 1996-07-09 1997-06-26 Procedimiento para la descarboxilacion de acidos carboxilicos aromaticos halogenados. Expired - Lifetime ES2167646T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19627411A DE19627411A1 (de) 1996-07-09 1996-07-09 Verfahren zur Decarboxylierung halogenierter aromatischer Carbonsäuren

Publications (1)

Publication Number Publication Date
ES2167646T3 true ES2167646T3 (es) 2002-05-16

Family

ID=7799203

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97110471T Expired - Lifetime ES2167646T3 (es) 1996-07-09 1997-06-26 Procedimiento para la descarboxilacion de acidos carboxilicos aromaticos halogenados.

Country Status (9)

Country Link
US (1) US5872283A (es)
EP (1) EP0818435B1 (es)
JP (1) JP4074356B2 (es)
CZ (1) CZ215797A3 (es)
DE (2) DE19627411A1 (es)
ES (1) ES2167646T3 (es)
HU (1) HUP9701167A1 (es)
IL (1) IL121247A (es)
PL (1) PL320991A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006060908A1 (de) 2006-12-20 2008-07-03 Evonik Degussa Gmbh Kontinuierliches Verfahren zur Decarboxylierung von Carbonsäuren
JP6433801B2 (ja) * 2014-09-11 2018-12-05 国立研究開発法人産業技術総合研究所 ベンゼン又はナフタレンを製造する方法
CN109704916B (zh) * 2017-10-25 2022-05-24 江苏扬农化工股份有限公司 一种取代芳香醇的合成工艺

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122190A (en) * 1982-05-27 1984-01-11 Ici Plc Decarboxylation of halogenated benzoic acids or esters
DE3420796A1 (de) * 1984-06-04 1985-12-05 Bayer Ag, 5090 Leverkusen 2,4,5-trihalogen- bzw. 2,3,4,5-tetrahalogenbenzolderivate und verfahren zu ihrer herstellung
JPS6143130A (ja) * 1984-08-07 1986-03-01 Nippon Shokubai Kagaku Kogyo Co Ltd １，２，３，４−テトラフルオロベンゼンの製法
US4769492A (en) * 1985-03-13 1988-09-06 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for production of 2,3,4,5-tetrafluorobenzoic acid
US4782180A (en) * 1985-09-09 1988-11-01 Warner-Lambert Company Process for tetrafluorobenzoic acid
US4791225A (en) * 1986-01-20 1988-12-13 Kyorin Pharmaceutical Co., Ltd. Halogenobenzoic acid derivatives and their preparation
HU196194B (en) * 1986-04-28 1988-10-28 Richter Gedeon Vegyeszet Process for producing new 1-4 disubstituted piperazines and pharmaceuticals comprising the compounds
DE3621707A1 (de) * 1986-06-28 1988-01-07 Bayer Ag Verfahren zur herstellung von 2,3,5,6-tetrafluorbenzoesaeure und die neuen verbindungen 2,3,5,6-tetrachlor-4-trifluormethyl-benzoylchlorid und 2,3,5,6-tetrafluor-4-trifluormethyl-benzoylfluorid
DE3705410A1 (de) * 1987-02-20 1988-09-01 Bayer Ag Verfahren zur herstellung von 2,3,5,6-tetrafluorbenzoesaeure
JP2566976B2 (ja) * 1987-04-08 1996-12-25 日本カーバイド工業株式会社 ハロゲン置換ベンゼンカルボン酸の脱炭酸方法
JPH05190758A (ja) * 1992-01-09 1993-07-30 Sharp Corp 半導体装置及びその製造方法
JPH0717904A (ja) * 1993-07-02 1995-01-20 Asahi Glass Co Ltd ２，３，４，５−テトラフルオロ安息香酸の製造方法
EP0866050A1 (en) * 1994-02-23 1998-09-23 Asahi Glass Company Ltd. Processes for producing tetra-fluorophthalic anhydride and fluorobenzioc acids
DE19515985A1 (de) * 1995-05-02 1996-11-07 Hoechst Ag Verfahren zur Herstellung aromatischer Verbindungen durch Decarboxylierung aromatischer Carbonsäuren

Also Published As

Publication number Publication date
CZ215797A3 (cs) 1998-05-13
JP4074356B2 (ja) 2008-04-09
EP0818435B1 (de) 2001-11-14
IL121247A (en) 2000-06-01
IL121247A0 (en) 1998-01-04
US5872283A (en) 1999-02-16
DE19627411A1 (de) 1998-01-15
EP0818435A1 (de) 1998-01-14
DE59705346D1 (de) 2001-12-20
HU9701167D0 (en) 1997-08-28
HUP9701167A1 (hu) 1998-05-28
JPH1067705A (ja) 1998-03-10
PL320991A1 (en) 1998-01-19

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