JPS522906B2 - - Google Patents

Info

Publication number
JPS522906B2
JPS522906B2 JP3255472A JP3255472A JPS522906B2 JP S522906 B2 JPS522906 B2 JP S522906B2 JP 3255472 A JP3255472 A JP 3255472A JP 3255472 A JP3255472 A JP 3255472A JP S522906 B2 JPS522906 B2 JP S522906B2
Authority
JP
Japan
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
Application number
JP3255472A
Other languages
Japanese (ja)
Other versions
JPS4899150A (enrdf_load_stackoverflow
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 filed Critical
Priority to JP3255472A priority Critical patent/JPS522906B2/ja
Priority to US05/324,050 priority patent/US3940426A/en
Priority to DE2366569A priority patent/DE2366569C2/de
Priority to DE19732366380 priority patent/DE2366380C2/de
Priority to DE2304551A priority patent/DE2304551C2/de
Priority to FR7305836A priority patent/FR2178862B1/fr
Publication of JPS4899150A publication Critical patent/JPS4899150A/ja
Priority to US05/597,789 priority patent/US4048197A/en
Publication of JPS522906B2 publication Critical patent/JPS522906B2/ja
Expired 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
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives
    • 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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/27—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids
    • 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
    • C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
    • C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP3255472A 1972-04-03 1972-04-03 Expired JPS522906B2 (enrdf_load_stackoverflow)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP3255472A JPS522906B2 (enrdf_load_stackoverflow) 1972-04-03 1972-04-03
US05/324,050 US3940426A (en) 1972-04-03 1973-01-16 Process for producing biphenyltetracarboxylic dianhydrides
DE2366569A DE2366569C2 (de) 1972-04-03 1973-01-31 2,3,3',4'-Biphenyltetracarbonsäuredianhydrid
DE19732366380 DE2366380C2 (de) 1972-04-03 1973-01-31 Verfahren zur Herstellung von Biphenyltetracarbonsäure-Isomeren
DE2304551A DE2304551C2 (de) 1972-04-03 1973-01-31 Verfahren zur Isolierung von 3,3',4,4'- und 2,3,3',4'-Biphenyltetracarbonsäuredianhydrid aus einem Isomerengemisch
FR7305836A FR2178862B1 (enrdf_load_stackoverflow) 1972-04-03 1973-02-19
US05/597,789 US4048197A (en) 1972-04-03 1975-07-21 2,3,3',4'-Biphenyltetracarboxylic acid dianhydride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3255472A JPS522906B2 (enrdf_load_stackoverflow) 1972-04-03 1972-04-03

Publications (2)

Publication Number Publication Date
JPS4899150A JPS4899150A (enrdf_load_stackoverflow) 1973-12-15
JPS522906B2 true JPS522906B2 (enrdf_load_stackoverflow) 1977-01-25

Family

ID=12362130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3255472A Expired JPS522906B2 (enrdf_load_stackoverflow) 1972-04-03 1972-04-03

Country Status (2)

Country Link
JP (1) JPS522906B2 (enrdf_load_stackoverflow)
DE (1) DE2366380C2 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5634025B2 (enrdf_load_stackoverflow) * 1973-09-05 1981-08-07
JPS5715098B2 (enrdf_load_stackoverflow) * 1974-03-01 1982-03-29
JP4977989B2 (ja) * 2005-04-28 2012-07-18 宇部興産株式会社 ２，３，３’，４’−ビフェニルテトラカルボン酸二無水物の製造方法

Also Published As

Publication number Publication date
JPS4899150A (enrdf_load_stackoverflow) 1973-12-15
DE2366380C2 (de) 1985-09-12

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