JPS5646844A - Preparation of biphenyltetracarboxylic acid ester - Google Patents

Preparation of biphenyltetracarboxylic acid ester

Info

Publication number
JPS5646844A
JPS5646844A JP12316979A JP12316979A JPS5646844A JP S5646844 A JPS5646844 A JP S5646844A JP 12316979 A JP12316979 A JP 12316979A JP 12316979 A JP12316979 A JP 12316979A JP S5646844 A JPS5646844 A JP S5646844A
Authority
JP
Japan
Prior art keywords
acid ester
palladium salt
phenanthroline
orthophthalic acid
molecular oxygen
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.)
Granted
Application number
JP12316979A
Other languages
Japanese (ja)
Other versions
JPS6157821B2 (en
Inventor
Hiroshi Itaya
Akinori Shiotani
Akira Yokota
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.)
Ube Corp
Original Assignee
Ube Industries 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
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP12316979A priority Critical patent/JPS5646844A/en
Priority to DE8080301646T priority patent/DE3060895D1/en
Priority to EP80301646A priority patent/EP0019483B1/en
Priority to US06/151,818 priority patent/US4292435A/en
Priority to US06/235,744 priority patent/US4338456A/en
Publication of JPS5646844A publication Critical patent/JPS5646844A/en
Publication of JPS6157821B2 publication Critical patent/JPS6157821B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PURPOSE: To obtain the desired isomer of the titled compound economically by the oxidative coupling of an orthophthalic acid ester in the presence of an organic palladium salt and a specific amount of 1,10-phenanthroline, etc. under the flow of molecular oxygen-containing gas.
CONSTITUTION: 3,3',4,4'-Biphenyltetracarboxylic acid ester is obtained in high selectivity and yield, by the oxidative coupling of an orthophthalic acid ester (especially orthophthalic acid di-lower-alkyl ester) in the presence of an organic palladium salt (e.g. palladium acetate) and 0.9W4mol, based on 1mol of the palladium salt, of 1,10-phenanthroline and/or α,α'-bipyridyl or their chelate compounds in the pounds in the reaction liquid, under the flow of gas containing molecular oxygen. The isomer obtained above is much more important than the other isomers as an intermediate of a carboxylic acid dianhydride useful as a raw material of an aromatic polyimide.
COPYRIGHT: (C)1981,JPO&Japio
JP12316979A 1979-05-21 1979-09-27 Preparation of biphenyltetracarboxylic acid ester Granted JPS5646844A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP12316979A JPS5646844A (en) 1979-09-27 1979-09-27 Preparation of biphenyltetracarboxylic acid ester
DE8080301646T DE3060895D1 (en) 1979-05-21 1980-05-20 Method of producing biphenyltetracarboxylic esters
EP80301646A EP0019483B1 (en) 1979-05-21 1980-05-20 Method of producing biphenyltetracarboxylic esters
US06/151,818 US4292435A (en) 1979-05-21 1980-05-21 Method of producing biphenyltetracarboxylic esters
US06/235,744 US4338456A (en) 1979-05-21 1981-02-18 Method of producing biphenyltetracarboxylic esters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12316979A JPS5646844A (en) 1979-09-27 1979-09-27 Preparation of biphenyltetracarboxylic acid ester

Publications (2)

Publication Number Publication Date
JPS5646844A true JPS5646844A (en) 1981-04-28
JPS6157821B2 JPS6157821B2 (en) 1986-12-09

Family

ID=14853884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12316979A Granted JPS5646844A (en) 1979-05-21 1979-09-27 Preparation of biphenyltetracarboxylic acid ester

Country Status (1)

Country Link
JP (1) JPS5646844A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005145962A (en) * 2003-10-23 2005-06-09 Ube Ind Ltd Method for producing biphenyl and catalyst therefor
JP2011213666A (en) * 2010-03-31 2011-10-27 Ube Industries Ltd Method for producing biphenyl compound

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005145962A (en) * 2003-10-23 2005-06-09 Ube Ind Ltd Method for producing biphenyl and catalyst therefor
JP2011213666A (en) * 2010-03-31 2011-10-27 Ube Industries Ltd Method for producing biphenyl compound

Also Published As

Publication number Publication date
JPS6157821B2 (en) 1986-12-09

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