DE2100391B2 - - Google Patents

Info

Publication number
DE2100391B2
DE2100391B2 DE19712100391 DE2100391A DE2100391B2 DE 2100391 B2 DE2100391 B2 DE 2100391B2 DE 19712100391 DE19712100391 DE 19712100391 DE 2100391 A DE2100391 A DE 2100391A DE 2100391 B2 DE2100391 B2 DE 2100391B2
Authority
DE
Germany
Prior art keywords
bis
calculated
dianhydride
acid
found
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
DE19712100391
Other languages
German (de)
English (en)
Other versions
DE2100391A1 (enrdf_load_stackoverflow
DE2100391C3 (de
Inventor
Alfred Anisimowitsch
Boris Israilewitsch Liogonkij
Boris Issakowitsch Sapadinskij
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.)
INSTITUT CHIMITSCHESKOJ FISIKI AKADEMII NAUK SSR MOSKAU
Original Assignee
INSTITUT CHIMITSCHESKOJ FISIKI AKADEMII NAUK SSR MOSKAU
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 SU1386179A external-priority patent/SU303871A1/ru
Priority claimed from SU1386182A external-priority patent/SU326862A1/ru
Application filed by INSTITUT CHIMITSCHESKOJ FISIKI AKADEMII NAUK SSR MOSKAU filed Critical INSTITUT CHIMITSCHESKOJ FISIKI AKADEMII NAUK SSR MOSKAU
Publication of DE2100391A1 publication Critical patent/DE2100391A1/de
Publication of DE2100391B2 publication Critical patent/DE2100391B2/de
Application granted granted Critical
Publication of DE2100391C3 publication Critical patent/DE2100391C3/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D493/00Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/10Spiro-condensed systems
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/33Polycyclic acids
    • C07C63/331Polycyclic acids with all carboxyl groups bound to non-condensed rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77Heterocyclic 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
    • C07D307/87Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/89Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
DE19712100391 1970-01-07 1971-01-07 Aromatische Tetracarbonsäuredianhydride und Verfahren zu deren Herstellung Expired DE2100391C3 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SU1386179A SU303871A1 (ru) 1970-01-07 СПОСОБ ПОЛУЧЕНИЯ а-АРИЛФУРИЛ-ПРОИЗВОДНЫХ, СОДЕРЖАЩИХ СПИРАНОВЫЕ ГРУППИРОВКИ
SU1386186A SU292476A1 (ru) 1970-01-07 СПОСОБ ПОЛУЧЕНИЯ БИС-(о:-ФУРИЛ)АРИЛЕНОВ
SU1386177A SU336981A1 (ru) 1970-01-07 Способ получения диангидридов арилзамещенных
SU1386182A SU326862A1 (ru) 1970-01-07 1970-01-07 Способ получения ы,ы'-?яс-
SU1386176A SU338092A1 (ru) 1970-01-07 Способ получения диангидридов ароматических тетракарбоновых кислот

Publications (3)

Publication Number Publication Date
DE2100391A1 DE2100391A1 (enrdf_load_stackoverflow) 1971-09-16
DE2100391B2 true DE2100391B2 (enrdf_load_stackoverflow) 1974-05-02
DE2100391C3 DE2100391C3 (de) 1974-12-05

Family

ID=27532809

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712100391 Expired DE2100391C3 (de) 1970-01-07 1971-01-07 Aromatische Tetracarbonsäuredianhydride und Verfahren zu deren Herstellung

Country Status (3)

Country Link
CS (1) CS160986B1 (enrdf_load_stackoverflow)
DE (1) DE2100391C3 (enrdf_load_stackoverflow)
FR (1) FR2080900A1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2080900A1 (en) 1971-11-26
DE2100391A1 (enrdf_load_stackoverflow) 1971-09-16
CS160986B1 (enrdf_load_stackoverflow) 1975-05-04
DE2100391C3 (de) 1974-12-05
FR2080900B1 (enrdf_load_stackoverflow) 1973-06-08

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee