ES2126798T3 - Procedimiento de preparacion de anhidrido tetrafluoroftalico. - Google Patents

Procedimiento de preparacion de anhidrido tetrafluoroftalico.

Info

Publication number
ES2126798T3
ES2126798T3 ES95102026T ES95102026T ES2126798T3 ES 2126798 T3 ES2126798 T3 ES 2126798T3 ES 95102026 T ES95102026 T ES 95102026T ES 95102026 T ES95102026 T ES 95102026T ES 2126798 T3 ES2126798 T3 ES 2126798T3
Authority
ES
Spain
Prior art keywords
procedure
preparation
tetrafluorophthalic anhydride
anhydride
tetrafluorophthalic
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
ES95102026T
Other languages
English (en)
Inventor
Ryuji Seki
Koji Sugimoto
Seisaku Kumai
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.)
AGC Inc
Original Assignee
Asahi Glass Co 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
Priority claimed from JP02552894A external-priority patent/JP3555158B2/ja
Priority claimed from JP6026897A external-priority patent/JPH07233117A/ja
Priority claimed from JP6034681A external-priority patent/JPH07242594A/ja
Application filed by Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Application granted granted Critical
Publication of ES2126798T3 publication Critical patent/ES2126798T3/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
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/04—Monocyclic monocarboxylic acids
    • C07C63/06—Benzoic acid
    • C07C63/10—Halides thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides
    • C07C51/60—Preparation of carboxylic acid halides by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides
    • C07C51/62—Preparation of carboxylic acid halides by reactions not involving the carboxylic acid halide group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • 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
    • 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
    • C07C67/317—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • C07C67/32—Decarboxylation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

Abstract

UN PROCESO PARA PRODUCIR ANHIDRIDO TETRAFLUOROFTALICO, QUE COMPRENDE CLORACION DE ANHIDRIDO TETRACLOROFTALICO PARA OBTENER 3,3,4,5,6,7- HEXACLORO -1- [3H] - ISOBENZOFURANONA, FLUORARLO ENTONCES PARA OBTENER 3,4,5,6-TETRAFLUOROFTALOILDIFLUORURO Y/O 3,3,4,5,6,7- HEXAFLUORO - 1 - [3H] - ISOBENZOFURANONA, Y ADEMAS REACCIONAR EL TETRAFLUOROFTALILDIFLUORURO Y/O EL HEXAFLUORO -1- [3H]ISOBENZOFURANONA CON UNA BASE INORGANICA O UN ACIDO ORGANICO PARA OBTENER ANHIDRIDO TETRAFLUOROFTALICO.
ES95102026T 1994-02-23 1995-02-14 Procedimiento de preparacion de anhidrido tetrafluoroftalico. Expired - Lifetime ES2126798T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP02552894A JP3555158B2 (ja) 1994-02-23 1994-02-23 ３，４，５，６−テトラフルオロ無水フタル酸の製造方法
JP6026897A JPH07233117A (ja) 1994-02-24 1994-02-24 ハロゲノ安息香酸類の製造方法
JP6034681A JPH07242594A (ja) 1994-03-04 1994-03-04 ３−置換−２，４，５−トリハロゲノ安息香酸の製造方法

Publications (1)

Publication Number Publication Date
ES2126798T3 true ES2126798T3 (es) 1999-04-01

Family

ID=27285050

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95102026T Expired - Lifetime ES2126798T3 (es) 1994-02-23 1995-02-14 Procedimiento de preparacion de anhidrido tetrafluoroftalico.

Country Status (6)

Country Link
US (2) US5523476A (es)
EP (3) EP0866050A1 (es)
KR (1) KR100242373B1 (es)
CN (1) CN1061029C (es)
DE (1) DE69506749T2 (es)
ES (1) ES2126798T3 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0866050A1 (en) * 1994-02-23 1998-09-23 Asahi Glass Company Ltd. Processes for producing tetra-fluorophthalic anhydride and fluorobenzioc acids
DE19627411A1 (de) * 1996-07-09 1998-01-15 Bayer Ag Verfahren zur Decarboxylierung halogenierter aromatischer Carbonsäuren
CN1068867C (zh) * 1998-07-09 2001-07-25 华东理工大学 2,3,4,5－四氟苯甲酸的制备方法
US6191307B1 (en) 1999-04-06 2001-02-20 Albemarle Corporation Process for making benzoic acids
US6187931B1 (en) 1999-04-06 2001-02-13 Albemarle Corporation Process for making fluorophthalimides
US7192939B2 (en) * 2002-01-30 2007-03-20 Montana State University Pestalotiopsis microsporia isolates and compounds derived therefrom
CN100408542C (zh) * 2005-09-02 2008-08-06 中国科学院上海有机化学研究所 一种合成2,4,5-三氟-3-甲氧基苯甲酸的方法
CN105693507B (zh) * 2016-03-18 2018-04-06 浙江大学 3,4,5,6‑四氟邻苯二甲酸的合成方法
CN114315561B (zh) * 2021-12-29 2023-10-24 内蒙古源宏精细化工有限公司 2,3,4,5-四氟苯甲酰氯合成的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US538413A (en) * 1895-04-30 Apparatus for loading or stacking lumber
US2439237A (en) * 1946-01-15 1948-04-06 Gen Electric Preparation of tetrahalogenated benzenes and benzoic acids
US5233082A (en) * 1982-11-16 1993-08-03 Occidental Chemical Corporation Method of making 3-hydroxy-2,4,5-trifluorobenzoic acid
US4782180A (en) * 1985-09-09 1988-11-01 Warner-Lambert Company Process for tetrafluorobenzoic acid
US4831190A (en) * 1986-12-04 1989-05-16 Ube Industries, Ltd. Trifluorohydroxyaromatic acid and preparation thereof
JPS63295529A (ja) * 1987-05-26 1988-12-01 Mitsubishi Gas Chem Co Inc ２，３，４，５−テトラフルオル安息香酸の製造方法
US4885386A (en) * 1988-10-28 1989-12-05 Warner-Lambert Company Process for the synthesis of 3-chloro-2,4,5-trifluorobenzoic acid
US5047553A (en) * 1989-02-27 1991-09-10 Occidental Chemical Corporation Tetrafluoro-N-phenylphthalimide
JPH03279348A (ja) * 1990-03-28 1991-12-10 Kyorin Pharmaceut Co Ltd ２，４，５―トリフルオロ―３―アルコキシ安息香酸の製造方法
EP0578165B1 (de) * 1992-07-10 1996-06-05 Hoechst Aktiengesellschaft Verfahren zur Herstellung von Tetrafluorphthalsäure und/oder Tetrafluorphthalsäureanhydrid
DE4404519A1 (de) * 1994-02-12 1995-08-17 Hoechst Ag Verfahren zur Herstellung von 4-Alkoxy-3,5,6-trifluorphthalsäuren und 3-Alkoxy-2,4,5-trifluorbenzoesäuren
EP0866050A1 (en) * 1994-02-23 1998-09-23 Asahi Glass Company Ltd. Processes for producing tetra-fluorophthalic anhydride and fluorobenzioc acids
US5380926A (en) * 1994-03-28 1995-01-10 Occidental Chemical Corporation Method of making 3-methoxy-2,4,5-trifluorobenzoic acid

Also Published As

Publication number Publication date
KR950032061A (ko) 1995-12-20
US5523476A (en) 1996-06-04
CN1118344A (zh) 1996-03-13
CN1061029C (zh) 2001-01-24
EP0866050A1 (en) 1998-09-23
KR100242373B1 (ko) 2000-02-01
DE69506749D1 (de) 1999-02-04
EP0877011A1 (en) 1998-11-11
EP0669310A1 (en) 1995-08-30
DE69506749T2 (de) 1999-06-10
US5648504A (en) 1997-07-15
EP0669310B1 (en) 1998-12-23

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