DE69226016D1 - Verfahren zur Herstellung von 2,4,5-Trihalobenzoesäure - Google Patents

Verfahren zur Herstellung von 2,4,5-Trihalobenzoesäure

Info

Publication number
DE69226016D1
DE69226016D1 DE69226016T DE69226016T DE69226016D1 DE 69226016 D1 DE69226016 D1 DE 69226016D1 DE 69226016 T DE69226016 T DE 69226016T DE 69226016 T DE69226016 T DE 69226016T DE 69226016 D1 DE69226016 D1 DE 69226016D1
Authority
DE
Germany
Prior art keywords
preparation
trihalobenzoic
acid
trihalobenzoic acid
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 - Fee Related
Application number
DE69226016T
Other languages
English (en)
Other versions
DE69226016T2 (de
Inventor
J Steven Qi
Joseph J Moritz
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.)
Occidental Chemical Corp
Original Assignee
Occidental Chemical Corp
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 Occidental Chemical Corp filed Critical Occidental Chemical Corp
Publication of DE69226016D1 publication Critical patent/DE69226016D1/de
Application granted granted Critical
Publication of DE69226016T2 publication Critical patent/DE69226016T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Indole Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Quinoline Compounds (AREA)
DE69226016T 1992-05-11 1992-12-04 Verfahren zur Herstellung von 2,4,5-Trihalobenzoesäure Expired - Fee Related DE69226016T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/881,112 US5196590A (en) 1992-05-11 1992-05-11 Method of making 2,4,5-trihalobenzoic acid

Publications (2)

Publication Number Publication Date
DE69226016D1 true DE69226016D1 (de) 1998-07-30
DE69226016T2 DE69226016T2 (de) 1999-01-21

Family

ID=25377807

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69226016T Expired - Fee Related DE69226016T2 (de) 1992-05-11 1992-12-04 Verfahren zur Herstellung von 2,4,5-Trihalobenzoesäure

Country Status (6)

Country Link
US (1) US5196590A (de)
EP (1) EP0569620B1 (de)
JP (1) JPH07110834B2 (de)
CA (1) CA2083250A1 (de)
DE (1) DE69226016T2 (de)
MX (1) MX9300281A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6187931B1 (en) 1999-04-06 2001-02-13 Albemarle Corporation Process for making fluorophthalimides
US6037476A (en) * 1999-04-06 2000-03-14 Albemarle Corporation Process for making cyclic imides
US6191307B1 (en) 1999-04-06 2001-02-20 Albemarle Corporation Process for making benzoic acids

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439237A (en) * 1946-01-15 1948-04-06 Gen Electric Preparation of tetrahalogenated benzenes and benzoic acids
US4769492A (en) * 1985-03-13 1988-09-06 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for production of 2,3,4,5-tetrafluorobenzoic acid
JPS62111942A (ja) * 1985-11-11 1987-05-22 Nippon Shokubai Kagaku Kogyo Co Ltd ３，４，５，６−テトラフルオロフタル酸の製法
US4769493A (en) * 1986-08-18 1988-09-06 Sds Biotech K.K. Process for producing tetrafluorophthalic acid
JP2566977B2 (ja) * 1987-08-25 1996-12-25 日本カーバイド工業株式会社 ２，４，５−トリフルオロ安息香酸の製造方法
DE3810093A1 (de) * 1988-03-25 1989-10-05 Bayer Ag Verfahren zur herstellung von tetrafluorbenzoesaeure und deren saeurehalogeniden
JPH02145538A (ja) * 1988-11-29 1990-06-05 Asahi Glass Co Ltd フツ素化安息香酸類及びその中間体の製造方法
US4935541A (en) * 1989-11-20 1990-06-19 Occidental Chemical Corporation Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic anhydride
EP0525066B1 (de) * 1990-04-16 1997-06-18 Occidental Chemical Corporation Darstellung von 3,4,6-trifluorophthalsäure

Also Published As

Publication number Publication date
MX9300281A (es) 1993-11-01
EP0569620A1 (de) 1993-11-18
US5196590A (en) 1993-03-23
DE69226016T2 (de) 1999-01-21
JPH069488A (ja) 1994-01-18
CA2083250A1 (en) 1993-11-12
EP0569620B1 (de) 1998-06-24
JPH07110834B2 (ja) 1995-11-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee