BR9004479A - Processo para a preparacao de anidridos ftalicos halogenio substituidos - Google Patents

Processo para a preparacao de anidridos ftalicos halogenio substituidos

Info

Publication number
BR9004479A
BR9004479A BR909004479A BR9004479A BR9004479A BR 9004479 A BR9004479 A BR 9004479A BR 909004479 A BR909004479 A BR 909004479A BR 9004479 A BR9004479 A BR 9004479A BR 9004479 A BR9004479 A BR 9004479A
Authority
BR
Brazil
Prior art keywords
phalytic
anhydrates
preparation
replaced halogen
halogen
Prior art date
Application number
BR909004479A
Other languages
English (en)
Inventor
David Y Tang
Mary K Cocoman
Harry E Buckholtz
Original Assignee
Occidental Chem Co
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 Chem Co filed Critical Occidental Chem Co
Publication of BR9004479A publication Critical patent/BR9004479A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
    • 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
    • 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
    • C07C51/567—Preparation of carboxylic acid anhydrides by reactions not involving carboxylic acid anhydride groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR909004479A 1989-09-11 1990-09-10 Processo para a preparacao de anidridos ftalicos halogenio substituidos BR9004479A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/405,606 US5049682A (en) 1989-09-11 1989-09-11 Process for the preparation of halophthalic anhydrides

Publications (1)

Publication Number Publication Date
BR9004479A true BR9004479A (pt) 1991-09-10

Family

ID=23604397

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909004479A BR9004479A (pt) 1989-09-11 1990-09-10 Processo para a preparacao de anidridos ftalicos halogenio substituidos

Country Status (6)

Country Link
US (1) US5049682A (pt)
EP (1) EP0417691A3 (pt)
JP (1) JP3020575B2 (pt)
BR (1) BR9004479A (pt)
CA (1) CA2023724A1 (pt)
IL (1) IL95426A (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5233054A (en) * 1989-09-11 1993-08-03 Occidental Chemical Corporation Process for the preparation of halophthalic anhydrides
US5206391A (en) * 1989-09-11 1993-04-27 Occidental Chemical Corporation Process for the preparation of halophthalic anhydrides
JP3191489B2 (ja) * 1993-05-27 2001-07-23 三菱化学株式会社 ハロゲン化無水フタル酸の製造法
US5322954A (en) * 1993-05-28 1994-06-21 Occidental Chemical Corporation Synthesis of 4-substituted phthalic anhydrides
US6528663B1 (en) 2001-12-05 2003-03-04 General Electric Company Methods for the preparation of 4-chlorophthalic anhydride
US6576770B1 (en) 2001-12-05 2003-06-10 General Electric Company Preparation of substituted phthalic anhydrides and substituted phthalimides
US6498224B1 (en) 2001-12-05 2002-12-24 General Electric Company Methods for the preparation poly(etherimide)s
US6657068B2 (en) 2002-03-22 2003-12-02 General Electric Company Liquid phase oxidation of halogenated ortho-xylenes
US6657067B2 (en) 2002-03-22 2003-12-02 General Electric Company Method for the manufacture of chlorophthalic anhydride
US6649773B2 (en) 2002-03-22 2003-11-18 General Electric Company Method for the manufacture of halophthalic acids and anhydrides
US6881815B2 (en) * 2002-09-25 2005-04-19 General Electric Company Method for the preparation poly(etherimide)s
US7541489B2 (en) 2004-06-30 2009-06-02 Sabic Innovative Plastics Ip B.V. Method of making halophthalic acids and halophthalic anhydrides
CN101857582A (zh) * 2010-04-21 2010-10-13 大连理工大学 一种4-氯代苯酐的制备方法
CN115521279B (zh) * 2021-06-25 2024-03-26 中国石油化工股份有限公司 一种4-卤代苯酐的制备方法及利用该方法得到的4-卤代苯酐

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4560773A (en) * 1984-04-16 1985-12-24 Stauffer Chemical Company Process for preparing substituted phthalic anhydrides
US4559405A (en) * 1984-04-16 1985-12-17 Stauffer Chemical Company Process for preparing substituted phthalic anhydrides
BR8900447A (pt) * 1988-02-24 1989-09-26 Occidental Chem Co Processo aperfeicoado de desidrogenacao

Also Published As

Publication number Publication date
IL95426A0 (en) 1991-06-30
JP3020575B2 (ja) 2000-03-15
JPH03106871A (ja) 1991-05-07
EP0417691A3 (en) 1992-01-02
US5049682A (en) 1991-09-17
IL95426A (en) 1996-01-19
EP0417691A2 (en) 1991-03-20
CA2023724A1 (en) 1991-03-12

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Legal Events

Date Code Title Description
FD3 Appl. lapsed due to non-payment of renewal fee